diff --git a/internal/handler/admin/account.go b/internal/handler/admin/account.go
index 3dff5ad..ae98720 100644
--- a/internal/handler/admin/account.go
+++ b/internal/handler/admin/account.go
@@ -10,7 +10,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	accountService "github.com/break/junhong_cmp_fiber/internal/service/account"
 )
 
@@ -27,7 +27,7 @@ func NewAccountHandler(service *accountService.Service) *AccountHandler {
 // Create 创建账号
 // POST /api/v1/accounts
 func (h *AccountHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateAccountRequest
+	var req dto.CreateAccountRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -64,7 +64,7 @@ func (h *AccountHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdateAccountRequest
+	var req dto.UpdateAccountRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -95,7 +95,7 @@ func (h *AccountHandler) Delete(c *fiber.Ctx) error {
 // List 查询账号列表
 // GET /api/v1/accounts
 func (h *AccountHandler) List(c *fiber.Ctx) error {
-	var req model.AccountListRequest
+	var req dto.AccountListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -116,7 +116,7 @@ func (h *AccountHandler) AssignRoles(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.AssignRolesRequest
+	var req dto.AssignRolesRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -173,7 +173,7 @@ func (h *AccountHandler) UpdatePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdatePasswordRequest
+	var req dto.UpdatePasswordRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -193,7 +193,7 @@ func (h *AccountHandler) UpdateStatus(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdateStatusRequest
+	var req dto.UpdateStatusRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -208,7 +208,7 @@ func (h *AccountHandler) UpdateStatus(c *fiber.Ctx) error {
 // ListPlatformAccounts 查询平台账号列表
 // GET /api/admin/platform-accounts
 func (h *AccountHandler) ListPlatformAccounts(c *fiber.Ctx) error {
-	var req model.PlatformAccountListRequest
+	var req dto.PlatformAccountListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/auth.go b/internal/handler/admin/auth.go
index d522ce9..2464b8f 100644
--- a/internal/handler/admin/auth.go
+++ b/internal/handler/admin/auth.go
@@ -1,7 +1,7 @@
 package admin
 
 import (
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/middleware"
@@ -26,7 +26,7 @@ func NewAuthHandler(authService *auth.Service, validator *validator.Validate) *A
 
 // Login 后台登录
 func (h *AuthHandler) Login(c *fiber.Ctx) error {
-	var req model.LoginRequest
+	var req dto.LoginRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -55,7 +55,7 @@ func (h *AuthHandler) Logout(c *fiber.Ctx) error {
 	}
 
 	refreshToken := ""
-	var req model.RefreshTokenRequest
+	var req dto.RefreshTokenRequest
 	if err := c.BodyParser(&req); err == nil {
 		refreshToken = req.RefreshToken
 	}
@@ -71,7 +71,7 @@ func (h *AuthHandler) Logout(c *fiber.Ctx) error {
 
 // RefreshToken 刷新访问令牌
 func (h *AuthHandler) RefreshToken(c *fiber.Ctx) error {
-	var req model.RefreshTokenRequest
+	var req dto.RefreshTokenRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -87,7 +87,7 @@ func (h *AuthHandler) RefreshToken(c *fiber.Ctx) error {
 		return err
 	}
 
-	resp := &model.RefreshTokenResponse{
+	resp := &dto.RefreshTokenResponse{
 		AccessToken: newAccessToken,
 		ExpiresIn:   86400,
 	}
@@ -124,7 +124,7 @@ func (h *AuthHandler) ChangePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeUnauthorized, "未授权访问")
 	}
 
-	var req model.ChangePasswordRequest
+	var req dto.ChangePasswordRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/commission_withdrawal.go b/internal/handler/admin/commission_withdrawal.go
index 9400604..f966013 100644
--- a/internal/handler/admin/commission_withdrawal.go
+++ b/internal/handler/admin/commission_withdrawal.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	commissionWithdrawalService "github.com/break/junhong_cmp_fiber/internal/service/commission_withdrawal"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewCommissionWithdrawalHandler(service *commissionWithdrawalService.Service
 }
 
 func (h *CommissionWithdrawalHandler) ListWithdrawalRequests(c *fiber.Ctx) error {
-	var req model.WithdrawalRequestListReq
+	var req dto.WithdrawalRequestListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -39,7 +39,7 @@ func (h *CommissionWithdrawalHandler) ApproveWithdrawal(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的提现申请ID")
 	}
 
-	var req model.ApproveWithdrawalReq
+	var req dto.ApproveWithdrawalReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -58,7 +58,7 @@ func (h *CommissionWithdrawalHandler) RejectWithdrawal(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的提现申请ID")
 	}
 
-	var req model.RejectWithdrawalReq
+	var req dto.RejectWithdrawalReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/commission_withdrawal_setting.go b/internal/handler/admin/commission_withdrawal_setting.go
index 5681b8a..bba565b 100644
--- a/internal/handler/admin/commission_withdrawal_setting.go
+++ b/internal/handler/admin/commission_withdrawal_setting.go
@@ -3,7 +3,7 @@ package admin
 import (
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	commissionWithdrawalSettingService "github.com/break/junhong_cmp_fiber/internal/service/commission_withdrawal_setting"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -18,7 +18,7 @@ func NewCommissionWithdrawalSettingHandler(service *commissionWithdrawalSettingS
 }
 
 func (h *CommissionWithdrawalSettingHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateWithdrawalSettingReq
+	var req dto.CreateWithdrawalSettingReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -32,7 +32,7 @@ func (h *CommissionWithdrawalSettingHandler) Create(c *fiber.Ctx) error {
 }
 
 func (h *CommissionWithdrawalSettingHandler) List(c *fiber.Ctx) error {
-	var req model.WithdrawalSettingListReq
+	var req dto.WithdrawalSettingListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/customer_account.go b/internal/handler/admin/customer_account.go
index 5c9ea81..77e4ba4 100644
--- a/internal/handler/admin/customer_account.go
+++ b/internal/handler/admin/customer_account.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	customerAccountService "github.com/break/junhong_cmp_fiber/internal/service/customer_account"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewCustomerAccountHandler(service *customerAccountService.Service) *Custome
 }
 
 func (h *CustomerAccountHandler) List(c *fiber.Ctx) error {
-	var req model.CustomerAccountListReq
+	var req dto.CustomerAccountListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -34,7 +34,7 @@ func (h *CustomerAccountHandler) List(c *fiber.Ctx) error {
 }
 
 func (h *CustomerAccountHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateCustomerAccountReq
+	var req dto.CreateCustomerAccountReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -54,7 +54,7 @@ func (h *CustomerAccountHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号ID")
 	}
 
-	var req model.UpdateCustomerAccountRequest
+	var req dto.UpdateCustomerAccountRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -74,7 +74,7 @@ func (h *CustomerAccountHandler) UpdatePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号ID")
 	}
 
-	var req model.UpdateCustomerAccountPasswordRequest
+	var req dto.UpdateCustomerAccountPasswordRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -93,7 +93,7 @@ func (h *CustomerAccountHandler) UpdateStatus(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号ID")
 	}
 
-	var req model.UpdateCustomerAccountStatusRequest
+	var req dto.UpdateCustomerAccountStatusRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/enterprise.go b/internal/handler/admin/enterprise.go
index f1650e9..63fb0b5 100644
--- a/internal/handler/admin/enterprise.go
+++ b/internal/handler/admin/enterprise.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	enterpriseService "github.com/break/junhong_cmp_fiber/internal/service/enterprise"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewEnterpriseHandler(service *enterpriseService.Service) *EnterpriseHandler
 }
 
 func (h *EnterpriseHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateEnterpriseReq
+	var req dto.CreateEnterpriseReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -34,7 +34,7 @@ func (h *EnterpriseHandler) Create(c *fiber.Ctx) error {
 }
 
 func (h *EnterpriseHandler) List(c *fiber.Ctx) error {
-	var req model.EnterpriseListReq
+	var req dto.EnterpriseListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -54,7 +54,7 @@ func (h *EnterpriseHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.UpdateEnterpriseBody
+	var req dto.UpdateEnterpriseBody
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -74,7 +74,7 @@ func (h *EnterpriseHandler) UpdateStatus(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.UpdateEnterpriseStatusBody
+	var req dto.UpdateEnterpriseStatusBody
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -93,7 +93,7 @@ func (h *EnterpriseHandler) UpdatePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.UpdateEnterprisePasswordBody
+	var req dto.UpdateEnterprisePasswordBody
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/enterprise_card.go b/internal/handler/admin/enterprise_card.go
index eb6239b..06c7719 100644
--- a/internal/handler/admin/enterprise_card.go
+++ b/internal/handler/admin/enterprise_card.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	enterpriseCardService "github.com/break/junhong_cmp_fiber/internal/service/enterprise_card"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -26,7 +26,7 @@ func (h *EnterpriseCardHandler) AllocateCardsPreview(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.AllocateCardsPreviewReq
+	var req dto.AllocateCardsPreviewReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -46,7 +46,7 @@ func (h *EnterpriseCardHandler) AllocateCards(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.AllocateCardsReq
+	var req dto.AllocateCardsReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -66,7 +66,7 @@ func (h *EnterpriseCardHandler) RecallCards(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.RecallCardsReq
+	var req dto.RecallCardsReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -86,7 +86,7 @@ func (h *EnterpriseCardHandler) ListCards(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的企业ID")
 	}
 
-	var req model.EnterpriseCardListReq
+	var req dto.EnterpriseCardListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/my_commission.go b/internal/handler/admin/my_commission.go
index af6e4ae..0e4d5f2 100644
--- a/internal/handler/admin/my_commission.go
+++ b/internal/handler/admin/my_commission.go
@@ -3,7 +3,7 @@ package admin
 import (
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	myCommissionService "github.com/break/junhong_cmp_fiber/internal/service/my_commission"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -27,7 +27,7 @@ func (h *MyCommissionHandler) GetSummary(c *fiber.Ctx) error {
 }
 
 func (h *MyCommissionHandler) CreateWithdrawal(c *fiber.Ctx) error {
-	var req model.CreateMyWithdrawalReq
+	var req dto.CreateMyWithdrawalReq
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -41,7 +41,7 @@ func (h *MyCommissionHandler) CreateWithdrawal(c *fiber.Ctx) error {
 }
 
 func (h *MyCommissionHandler) ListWithdrawals(c *fiber.Ctx) error {
-	var req model.MyWithdrawalListReq
+	var req dto.MyWithdrawalListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -55,7 +55,7 @@ func (h *MyCommissionHandler) ListWithdrawals(c *fiber.Ctx) error {
 }
 
 func (h *MyCommissionHandler) ListRecords(c *fiber.Ctx) error {
-	var req model.MyCommissionRecordListReq
+	var req dto.MyCommissionRecordListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/permission.go b/internal/handler/admin/permission.go
index ed70909..bc20472 100644
--- a/internal/handler/admin/permission.go
+++ b/internal/handler/admin/permission.go
@@ -3,7 +3,7 @@ package admin
 import (
 	"strconv"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -25,7 +25,7 @@ func NewPermissionHandler(service *permissionService.Service) *PermissionHandler
 // Create 创建权限
 // POST /api/v1/permissions
 func (h *PermissionHandler) Create(c *fiber.Ctx) error {
-	var req model.CreatePermissionRequest
+	var req dto.CreatePermissionRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -62,7 +62,7 @@ func (h *PermissionHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的权限 ID")
 	}
 
-	var req model.UpdatePermissionRequest
+	var req dto.UpdatePermissionRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -93,7 +93,7 @@ func (h *PermissionHandler) Delete(c *fiber.Ctx) error {
 // List 查询权限列表
 // GET /api/v1/permissions
 func (h *PermissionHandler) List(c *fiber.Ctx) error {
-	var req model.PermissionListRequest
+	var req dto.PermissionListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/role.go b/internal/handler/admin/role.go
index b7eb948..db86fb8 100644
--- a/internal/handler/admin/role.go
+++ b/internal/handler/admin/role.go
@@ -8,7 +8,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	roleService "github.com/break/junhong_cmp_fiber/internal/service/role"
 )
 
@@ -25,7 +25,7 @@ func NewRoleHandler(service *roleService.Service) *RoleHandler {
 // Create 创建角色
 // POST /api/v1/roles
 func (h *RoleHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateRoleRequest
+	var req dto.CreateRoleRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -62,7 +62,7 @@ func (h *RoleHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的角色 ID")
 	}
 
-	var req model.UpdateRoleRequest
+	var req dto.UpdateRoleRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -93,7 +93,7 @@ func (h *RoleHandler) Delete(c *fiber.Ctx) error {
 // List 查询角色列表
 // GET /api/v1/roles
 func (h *RoleHandler) List(c *fiber.Ctx) error {
-	var req model.RoleListRequest
+	var req dto.RoleListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -114,7 +114,7 @@ func (h *RoleHandler) AssignPermissions(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的角色 ID")
 	}
 
-	var req model.AssignPermissionsRequest
+	var req dto.AssignPermissionsRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -171,7 +171,7 @@ func (h *RoleHandler) UpdateStatus(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的角色 ID")
 	}
 
-	var req model.UpdateRoleStatusRequest
+	var req dto.UpdateRoleStatusRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/shop.go b/internal/handler/admin/shop.go
index 07a4cbf..6a06673 100644
--- a/internal/handler/admin/shop.go
+++ b/internal/handler/admin/shop.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	shopService "github.com/break/junhong_cmp_fiber/internal/service/shop"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewShopHandler(service *shopService.Service) *ShopHandler {
 }
 
 func (h *ShopHandler) List(c *fiber.Ctx) error {
-	var req model.ShopListRequest
+	var req dto.ShopListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -34,7 +34,7 @@ func (h *ShopHandler) List(c *fiber.Ctx) error {
 }
 
 func (h *ShopHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateShopRequest
+	var req dto.CreateShopRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -53,7 +53,7 @@ func (h *ShopHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的店铺 ID")
 	}
 
-	var req model.UpdateShopRequest
+	var req dto.UpdateShopRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/shop_account.go b/internal/handler/admin/shop_account.go
index a9090b5..92b782d 100644
--- a/internal/handler/admin/shop_account.go
+++ b/internal/handler/admin/shop_account.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	shopAccountService "github.com/break/junhong_cmp_fiber/internal/service/shop_account"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewShopAccountHandler(service *shopAccountService.Service) *ShopAccountHand
 }
 
 func (h *ShopAccountHandler) List(c *fiber.Ctx) error {
-	var req model.ShopAccountListRequest
+	var req dto.ShopAccountListRequest
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -34,7 +34,7 @@ func (h *ShopAccountHandler) List(c *fiber.Ctx) error {
 }
 
 func (h *ShopAccountHandler) Create(c *fiber.Ctx) error {
-	var req model.CreateShopAccountRequest
+	var req dto.CreateShopAccountRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -53,7 +53,7 @@ func (h *ShopAccountHandler) Update(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdateShopAccountRequest
+	var req dto.UpdateShopAccountRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -72,7 +72,7 @@ func (h *ShopAccountHandler) UpdatePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdateShopAccountPasswordRequest
+	var req dto.UpdateShopAccountPasswordRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -90,7 +90,7 @@ func (h *ShopAccountHandler) UpdateStatus(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的账号 ID")
 	}
 
-	var req model.UpdateShopAccountStatusRequest
+	var req dto.UpdateShopAccountStatusRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/admin/shop_commission.go b/internal/handler/admin/shop_commission.go
index 95fd890..e2a4a59 100644
--- a/internal/handler/admin/shop_commission.go
+++ b/internal/handler/admin/shop_commission.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	shopCommissionService "github.com/break/junhong_cmp_fiber/internal/service/shop_commission"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
@@ -20,7 +20,7 @@ func NewShopCommissionHandler(service *shopCommissionService.Service) *ShopCommi
 }
 
 func (h *ShopCommissionHandler) ListCommissionSummary(c *fiber.Ctx) error {
-	var req model.ShopCommissionSummaryListReq
+	var req dto.ShopCommissionSummaryListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -39,7 +39,7 @@ func (h *ShopCommissionHandler) ListWithdrawalRequests(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的店铺 ID")
 	}
 
-	var req model.ShopWithdrawalRequestListReq
+	var req dto.ShopWithdrawalRequestListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -58,7 +58,7 @@ func (h *ShopCommissionHandler) ListCommissionRecords(c *fiber.Ctx) error {
 		return errors.New(errors.CodeInvalidParam, "无效的店铺 ID")
 	}
 
-	var req model.ShopCommissionRecordListReq
+	var req dto.ShopCommissionRecordListReq
 	if err := c.QueryParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/handler/h5/auth.go b/internal/handler/h5/auth.go
index 1b56e8c..c417852 100644
--- a/internal/handler/h5/auth.go
+++ b/internal/handler/h5/auth.go
@@ -1,7 +1,7 @@
 package h5
 
 import (
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"github.com/break/junhong_cmp_fiber/pkg/middleware"
@@ -26,7 +26,7 @@ func NewAuthHandler(authService *auth.Service, validator *validator.Validate) *A
 
 // Login H5登录
 func (h *AuthHandler) Login(c *fiber.Ctx) error {
-	var req model.LoginRequest
+	var req dto.LoginRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -55,7 +55,7 @@ func (h *AuthHandler) Logout(c *fiber.Ctx) error {
 	}
 
 	refreshToken := ""
-	var req model.RefreshTokenRequest
+	var req dto.RefreshTokenRequest
 	if err := c.BodyParser(&req); err == nil {
 		refreshToken = req.RefreshToken
 	}
@@ -71,7 +71,7 @@ func (h *AuthHandler) Logout(c *fiber.Ctx) error {
 
 // RefreshToken 刷新访问令牌
 func (h *AuthHandler) RefreshToken(c *fiber.Ctx) error {
-	var req model.RefreshTokenRequest
+	var req dto.RefreshTokenRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
@@ -87,7 +87,7 @@ func (h *AuthHandler) RefreshToken(c *fiber.Ctx) error {
 		return err
 	}
 
-	resp := &model.RefreshTokenResponse{
+	resp := &dto.RefreshTokenResponse{
 		AccessToken: newAccessToken,
 		ExpiresIn:   86400,
 	}
@@ -124,7 +124,7 @@ func (h *AuthHandler) ChangePassword(c *fiber.Ctx) error {
 		return errors.New(errors.CodeUnauthorized, "未授权访问")
 	}
 
-	var req model.ChangePasswordRequest
+	var req dto.ChangePasswordRequest
 	if err := c.BodyParser(&req); err != nil {
 		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
 	}
diff --git a/internal/model/account_dto.go b/internal/model/dto/account_dto.go
similarity index 99%
rename from internal/model/account_dto.go
rename to internal/model/dto/account_dto.go
index da86ac2..f759bc9 100644
--- a/internal/model/account_dto.go
+++ b/internal/model/dto/account_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // CreateAccountRequest 创建账号请求
 type CreateAccountRequest struct {
diff --git a/internal/model/account_role_dto.go b/internal/model/dto/account_role_dto.go
similarity index 97%
rename from internal/model/account_role_dto.go
rename to internal/model/dto/account_role_dto.go
index 0b2ad8f..35ca16f 100644
--- a/internal/model/account_role_dto.go
+++ b/internal/model/dto/account_role_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // AccountRoleResponse 账号-角色关联响应
 type AccountRoleResponse struct {
diff --git a/internal/model/auth_dto.go b/internal/model/dto/auth_dto.go
similarity index 99%
rename from internal/model/auth_dto.go
rename to internal/model/dto/auth_dto.go
index db6cfdc..b1a09c4 100644
--- a/internal/model/auth_dto.go
+++ b/internal/model/dto/auth_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type LoginRequest struct {
 	Username string `json:"username" validate:"required"`
diff --git a/internal/model/commission_withdrawal_dto.go b/internal/model/dto/commission_withdrawal_dto.go
similarity index 99%
rename from internal/model/commission_withdrawal_dto.go
rename to internal/model/dto/commission_withdrawal_dto.go
index d9bf906..8268c5c 100644
--- a/internal/model/commission_withdrawal_dto.go
+++ b/internal/model/dto/commission_withdrawal_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // WithdrawalRequestListReq 提现申请列表查询请求
 type WithdrawalRequestListReq struct {
diff --git a/internal/model/commission_withdrawal_setting_dto.go b/internal/model/dto/commission_withdrawal_setting_dto.go
similarity index 99%
rename from internal/model/commission_withdrawal_setting_dto.go
rename to internal/model/dto/commission_withdrawal_setting_dto.go
index 27fe880..4c88dd1 100644
--- a/internal/model/commission_withdrawal_setting_dto.go
+++ b/internal/model/dto/commission_withdrawal_setting_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type CreateWithdrawalSettingReq struct {
 	DailyWithdrawalLimit int   `json:"daily_withdrawal_limit" validate:"required,min=1,max=100" required:"true" minimum:"1" maximum:"100" description:"每日提现次数限制"`
diff --git a/internal/model/common.go b/internal/model/dto/common.go
similarity index 97%
rename from internal/model/common.go
rename to internal/model/dto/common.go
index f536430..d2a3315 100644
--- a/internal/model/common.go
+++ b/internal/model/dto/common.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // IDReq 通用 ID 路径参数请求
 type IDReq struct {
diff --git a/internal/model/customer_account_dto.go b/internal/model/dto/customer_account_dto.go
similarity index 99%
rename from internal/model/customer_account_dto.go
rename to internal/model/dto/customer_account_dto.go
index 4f51b71..15f8b65 100644
--- a/internal/model/customer_account_dto.go
+++ b/internal/model/dto/customer_account_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type CustomerAccountListReq struct {
 	Page         int    `json:"page" query:"page" validate:"omitempty,min=1" minimum:"1" description:"页码"`
diff --git a/internal/model/enterprise_card_authorization_dto.go b/internal/model/dto/enterprise_card_authorization_dto.go
similarity index 99%
rename from internal/model/enterprise_card_authorization_dto.go
rename to internal/model/dto/enterprise_card_authorization_dto.go
index bdecbb3..7be474e 100644
--- a/internal/model/enterprise_card_authorization_dto.go
+++ b/internal/model/dto/enterprise_card_authorization_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type AllocateCardsPreviewReq struct {
 	ID     uint     `json:"-" params:"id" path:"id" validate:"required" required:"true" description:"企业ID"`
diff --git a/internal/model/enterprise_dto.go b/internal/model/dto/enterprise_dto.go
similarity index 99%
rename from internal/model/enterprise_dto.go
rename to internal/model/dto/enterprise_dto.go
index b7a7b7b..b08399b 100644
--- a/internal/model/enterprise_dto.go
+++ b/internal/model/dto/enterprise_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type CreateEnterpriseReq struct {
 	EnterpriseName  string `json:"enterprise_name" validate:"required,max=100" required:"true" maximum:"100" description:"企业名称"`
diff --git a/internal/model/my_commission_dto.go b/internal/model/dto/my_commission_dto.go
similarity index 99%
rename from internal/model/my_commission_dto.go
rename to internal/model/dto/my_commission_dto.go
index f3b247f..f64cd77 100644
--- a/internal/model/my_commission_dto.go
+++ b/internal/model/dto/my_commission_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type MyCommissionSummaryResp struct {
 	ShopID                uint   `json:"shop_id" description:"店铺ID"`
diff --git a/internal/model/permission_dto.go b/internal/model/dto/permission_dto.go
similarity index 99%
rename from internal/model/permission_dto.go
rename to internal/model/dto/permission_dto.go
index d444020..54f95cd 100644
--- a/internal/model/permission_dto.go
+++ b/internal/model/dto/permission_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // CreatePermissionRequest 创建权限请求
 type CreatePermissionRequest struct {
diff --git a/internal/model/personal_customer_dto.go b/internal/model/dto/personal_customer_dto.go
similarity index 99%
rename from internal/model/personal_customer_dto.go
rename to internal/model/dto/personal_customer_dto.go
index 664c528..9c784f2 100644
--- a/internal/model/personal_customer_dto.go
+++ b/internal/model/dto/personal_customer_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // CreatePersonalCustomerRequest 创建个人客户请求
 type CreatePersonalCustomerRequest struct {
diff --git a/internal/model/role_dto.go b/internal/model/dto/role_dto.go
similarity index 99%
rename from internal/model/role_dto.go
rename to internal/model/dto/role_dto.go
index ae4599d..bdc6a74 100644
--- a/internal/model/role_dto.go
+++ b/internal/model/dto/role_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // CreateRoleRequest 创建角色请求
 type CreateRoleRequest struct {
diff --git a/internal/model/role_permission_dto.go b/internal/model/dto/role_permission_dto.go
similarity index 97%
rename from internal/model/role_permission_dto.go
rename to internal/model/dto/role_permission_dto.go
index f6e7893..28a38d8 100644
--- a/internal/model/role_permission_dto.go
+++ b/internal/model/dto/role_permission_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // RolePermissionResponse 角色-权限关联响应
 type RolePermissionResponse struct {
diff --git a/internal/model/shop_account_dto.go b/internal/model/dto/shop_account_dto.go
similarity index 99%
rename from internal/model/shop_account_dto.go
rename to internal/model/dto/shop_account_dto.go
index 2a95132..041851f 100644
--- a/internal/model/shop_account_dto.go
+++ b/internal/model/dto/shop_account_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // ShopAccountListRequest 代理商账号列表查询请求
 type ShopAccountListRequest struct {
diff --git a/internal/model/shop_commission_dto.go b/internal/model/dto/shop_commission_dto.go
similarity index 99%
rename from internal/model/shop_commission_dto.go
rename to internal/model/dto/shop_commission_dto.go
index 08acfd0..50d5155 100644
--- a/internal/model/shop_commission_dto.go
+++ b/internal/model/dto/shop_commission_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 // ========================================
 // 代理商佣金查询 DTO
diff --git a/internal/model/shop_dto.go b/internal/model/dto/shop_dto.go
similarity index 99%
rename from internal/model/shop_dto.go
rename to internal/model/dto/shop_dto.go
index e88a936..2a849df 100644
--- a/internal/model/shop_dto.go
+++ b/internal/model/dto/shop_dto.go
@@ -1,4 +1,4 @@
-package model
+package dto
 
 type ShopListRequest struct {
 	Page     int    `json:"page" query:"page" validate:"omitempty,min=1" minimum:"1" description:"页码"`
diff --git a/internal/routes/account.go b/internal/routes/account.go
index 4cc5a7a..f7be192 100644
--- a/internal/routes/account.go
+++ b/internal/routes/account.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -17,39 +18,39 @@ func registerAccountRoutes(api fiber.Router, h *admin.AccountHandler, doc *opena
 	Register(accounts, doc, groupPath, "POST", "", h.Create, RouteSpec{
 		Summary: "创建账号",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.CreateAccountRequest),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.CreateAccountRequest),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "GET", "", h.List, RouteSpec{
 		Summary: "账号列表",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.AccountListRequest),
-		Output:  new(model.AccountPageResult),
+		Input:   new(dto.AccountListRequest),
+		Output:  new(dto.AccountPageResult),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "GET", "/:id", h.Get, RouteSpec{
 		Summary: "获取账号详情",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.IDReq),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.IDReq),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "PUT", "/:id", h.Update, RouteSpec{
 		Summary: "更新账号",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.UpdateAccountParams),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.UpdateAccountParams),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "DELETE", "/:id", h.Delete, RouteSpec{
 		Summary: "删除账号",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -58,14 +59,14 @@ func registerAccountRoutes(api fiber.Router, h *admin.AccountHandler, doc *opena
 	Register(accounts, doc, groupPath, "POST", "/:id/roles", h.AssignRoles, RouteSpec{
 		Summary: "分配角色",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.AssignRolesParams),
+		Input:   new(dto.AssignRolesParams),
 		Output:  nil, // TODO: Define AccountRole response DTO
 	})
 
 	Register(accounts, doc, groupPath, "GET", "/:id/roles", h.GetRoles, RouteSpec{
 		Summary: "获取账号角色",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  new([]model.Role),
 		Auth:    true,
 	})
@@ -73,7 +74,7 @@ func registerAccountRoutes(api fiber.Router, h *admin.AccountHandler, doc *opena
 	Register(accounts, doc, groupPath, "DELETE", "/:account_id/roles/:role_id", h.RemoveRole, RouteSpec{
 		Summary: "移除角色",
 		Tags:    []string{"账号相关"},
-		Input:   new(model.RemoveRoleParams),
+		Input:   new(dto.RemoveRoleParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -88,39 +89,39 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "GET", "", h.ListPlatformAccounts, RouteSpec{
 		Summary: "平台账号列表",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.PlatformAccountListRequest),
-		Output:  new(model.AccountPageResult),
+		Input:   new(dto.PlatformAccountListRequest),
+		Output:  new(dto.AccountPageResult),
 		Auth:    true,
 	})
 
 	Register(platformAccounts, doc, groupPath, "POST", "", h.Create, RouteSpec{
 		Summary: "新增平台账号",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.CreateAccountRequest),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.CreateAccountRequest),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(platformAccounts, doc, groupPath, "GET", "/:id", h.Get, RouteSpec{
 		Summary: "获取平台账号详情",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.IDReq),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.IDReq),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(platformAccounts, doc, groupPath, "PUT", "/:id", h.Update, RouteSpec{
 		Summary: "编辑平台账号",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.UpdateAccountParams),
-		Output:  new(model.AccountResponse),
+		Input:   new(dto.UpdateAccountParams),
+		Output:  new(dto.AccountResponse),
 		Auth:    true,
 	})
 
 	Register(platformAccounts, doc, groupPath, "DELETE", "/:id", h.Delete, RouteSpec{
 		Summary: "删除平台账号",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -128,7 +129,7 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "PUT", "/:id/password", h.UpdatePassword, RouteSpec{
 		Summary: "修改密码",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.UpdatePasswordParams),
+		Input:   new(dto.UpdatePasswordParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -136,7 +137,7 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "PUT", "/:id/status", h.UpdateStatus, RouteSpec{
 		Summary: "启用/禁用账号",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.UpdateStatusParams),
+		Input:   new(dto.UpdateStatusParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -144,7 +145,7 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "POST", "/:id/roles", h.AssignRoles, RouteSpec{
 		Summary: "分配角色",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.AssignRolesParams),
+		Input:   new(dto.AssignRolesParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -152,7 +153,7 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "GET", "/:id/roles", h.GetRoles, RouteSpec{
 		Summary: "获取账号角色",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  new([]model.Role),
 		Auth:    true,
 	})
@@ -160,7 +161,7 @@ func registerPlatformAccountRoutes(api fiber.Router, h *admin.AccountHandler, do
 	Register(platformAccounts, doc, groupPath, "DELETE", "/:account_id/roles/:role_id", h.RemoveRole, RouteSpec{
 		Summary: "移除角色",
 		Tags:    []string{"平台账号"},
-		Input:   new(model.RemoveRoleParams),
+		Input:   new(dto.RemoveRoleParams),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/admin.go b/internal/routes/admin.go
index 337bb6a..31eb78e 100644
--- a/internal/routes/admin.go
+++ b/internal/routes/admin.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -66,16 +66,16 @@ func registerAdminAuthRoutes(router fiber.Router, handler interface{}, authMiddl
 	Register(router, doc, basePath, "POST", "/login", h.Login, RouteSpec{
 		Summary: "后台登录",
 		Tags:    []string{"认证"},
-		Input:   new(model.LoginRequest),
-		Output:  new(model.LoginResponse),
+		Input:   new(dto.LoginRequest),
+		Output:  new(dto.LoginResponse),
 		Auth:    false,
 	})
 
 	Register(router, doc, basePath, "POST", "/refresh-token", h.RefreshToken, RouteSpec{
 		Summary: "刷新 Token",
 		Tags:    []string{"认证"},
-		Input:   new(model.RefreshTokenRequest),
-		Output:  new(model.RefreshTokenResponse),
+		Input:   new(dto.RefreshTokenRequest),
+		Output:  new(dto.RefreshTokenResponse),
 		Auth:    false,
 	})
 
@@ -93,14 +93,14 @@ func registerAdminAuthRoutes(router fiber.Router, handler interface{}, authMiddl
 		Summary: "获取当前用户信息",
 		Tags:    []string{"认证"},
 		Input:   nil,
-		Output:  new(model.UserInfo),
+		Output:  new(dto.UserInfo),
 		Auth:    true,
 	})
 
 	Register(authGroup, doc, basePath, "PUT", "/password", h.ChangePassword, RouteSpec{
 		Summary: "修改密码",
 		Tags:    []string{"认证"},
-		Input:   new(model.ChangePasswordRequest),
+		Input:   new(dto.ChangePasswordRequest),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/commission.go b/internal/routes/commission.go
index c4c7a70..169e41d 100644
--- a/internal/routes/commission.go
+++ b/internal/routes/commission.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,24 +15,24 @@ func registerCommissionWithdrawalRoutes(router fiber.Router, handler *admin.Comm
 	Register(commission, doc, groupPath, "GET", "/withdrawal-requests", handler.ListWithdrawalRequests, RouteSpec{
 		Summary: "提现申请列表",
 		Tags:    []string{"佣金提现审批"},
-		Input:   new(model.WithdrawalRequestListReq),
-		Output:  new(model.WithdrawalRequestPageResult),
+		Input:   new(dto.WithdrawalRequestListReq),
+		Output:  new(dto.WithdrawalRequestPageResult),
 		Auth:    true,
 	})
 
 	Register(commission, doc, groupPath, "POST", "/withdrawal-requests/:id/approve", handler.ApproveWithdrawal, RouteSpec{
 		Summary: "审批通过提现申请",
 		Tags:    []string{"佣金提现审批"},
-		Input:   new(model.ApproveWithdrawalReq),
-		Output:  new(model.WithdrawalApprovalResp),
+		Input:   new(dto.ApproveWithdrawalReq),
+		Output:  new(dto.WithdrawalApprovalResp),
 		Auth:    true,
 	})
 
 	Register(commission, doc, groupPath, "POST", "/withdrawal-requests/:id/reject", handler.RejectWithdrawal, RouteSpec{
 		Summary: "拒绝提现申请",
 		Tags:    []string{"佣金提现审批"},
-		Input:   new(model.RejectWithdrawalReq),
-		Output:  new(model.WithdrawalApprovalResp),
+		Input:   new(dto.RejectWithdrawalReq),
+		Output:  new(dto.WithdrawalApprovalResp),
 		Auth:    true,
 	})
 }
@@ -45,16 +45,16 @@ func registerCommissionWithdrawalSettingRoutes(router fiber.Router, handler *adm
 	Register(commission, doc, groupPath, "POST", "/withdrawal-settings", handler.Create, RouteSpec{
 		Summary: "新增提现配置",
 		Tags:    []string{"提现配置管理"},
-		Input:   new(model.CreateWithdrawalSettingReq),
-		Output:  new(model.WithdrawalSettingItem),
+		Input:   new(dto.CreateWithdrawalSettingReq),
+		Output:  new(dto.WithdrawalSettingItem),
 		Auth:    true,
 	})
 
 	Register(commission, doc, groupPath, "GET", "/withdrawal-settings", handler.List, RouteSpec{
 		Summary: "提现配置列表",
 		Tags:    []string{"提现配置管理"},
-		Input:   new(model.WithdrawalSettingListReq),
-		Output:  new(model.WithdrawalSettingPageResult),
+		Input:   new(dto.WithdrawalSettingListReq),
+		Output:  new(dto.WithdrawalSettingPageResult),
 		Auth:    true,
 	})
 
@@ -62,7 +62,7 @@ func registerCommissionWithdrawalSettingRoutes(router fiber.Router, handler *adm
 		Summary: "获取当前生效的提现配置",
 		Tags:    []string{"提现配置管理"},
 		Input:   nil,
-		Output:  new(model.WithdrawalSettingItem),
+		Output:  new(dto.WithdrawalSettingItem),
 		Auth:    true,
 	})
 }
diff --git a/internal/routes/customer_account.go b/internal/routes/customer_account.go
index 787084e..dc660fb 100644
--- a/internal/routes/customer_account.go
+++ b/internal/routes/customer_account.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,31 +15,31 @@ func registerCustomerAccountRoutes(router fiber.Router, handler *admin.CustomerA
 	Register(accounts, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "客户账号列表",
 		Tags:    []string{"客户账号管理"},
-		Input:   new(model.CustomerAccountListReq),
-		Output:  new(model.CustomerAccountPageResult),
+		Input:   new(dto.CustomerAccountListReq),
+		Output:  new(dto.CustomerAccountPageResult),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "新增代理商账号",
 		Tags:    []string{"客户账号管理"},
-		Input:   new(model.CreateCustomerAccountReq),
-		Output:  new(model.CustomerAccountItem),
+		Input:   new(dto.CreateCustomerAccountReq),
+		Output:  new(dto.CustomerAccountItem),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "编辑账号",
 		Tags:    []string{"客户账号管理"},
-		Input:   new(model.UpdateCustomerAccountReq),
-		Output:  new(model.CustomerAccountItem),
+		Input:   new(dto.UpdateCustomerAccountReq),
+		Output:  new(dto.CustomerAccountItem),
 		Auth:    true,
 	})
 
 	Register(accounts, doc, groupPath, "PUT", "/:id/password", handler.UpdatePassword, RouteSpec{
 		Summary: "修改账号密码",
 		Tags:    []string{"客户账号管理"},
-		Input:   new(model.UpdateCustomerAccountPasswordReq),
+		Input:   new(dto.UpdateCustomerAccountPasswordReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -47,7 +47,7 @@ func registerCustomerAccountRoutes(router fiber.Router, handler *admin.CustomerA
 	Register(accounts, doc, groupPath, "PUT", "/:id/status", handler.UpdateStatus, RouteSpec{
 		Summary: "修改账号状态",
 		Tags:    []string{"客户账号管理"},
-		Input:   new(model.UpdateCustomerAccountStatusReq),
+		Input:   new(dto.UpdateCustomerAccountStatusReq),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/enterprise.go b/internal/routes/enterprise.go
index faef454..07f5a64 100644
--- a/internal/routes/enterprise.go
+++ b/internal/routes/enterprise.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,31 +15,31 @@ func registerEnterpriseRoutes(router fiber.Router, handler *admin.EnterpriseHand
 	Register(enterprises, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "新增企业客户",
 		Tags:    []string{"企业客户管理"},
-		Input:   new(model.CreateEnterpriseReq),
-		Output:  new(model.CreateEnterpriseResp),
+		Input:   new(dto.CreateEnterpriseReq),
+		Output:  new(dto.CreateEnterpriseResp),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "查询企业客户列表",
 		Tags:    []string{"企业客户管理"},
-		Input:   new(model.EnterpriseListReq),
-		Output:  new(model.EnterprisePageResult),
+		Input:   new(dto.EnterpriseListReq),
+		Output:  new(dto.EnterprisePageResult),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "编辑企业信息",
 		Tags:    []string{"企业客户管理"},
-		Input:   new(model.UpdateEnterpriseReq),
-		Output:  new(model.EnterpriseItem),
+		Input:   new(dto.UpdateEnterpriseReq),
+		Output:  new(dto.EnterpriseItem),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "PUT", "/:id/status", handler.UpdateStatus, RouteSpec{
 		Summary: "启用/禁用企业",
 		Tags:    []string{"企业客户管理"},
-		Input:   new(model.UpdateEnterpriseStatusReq),
+		Input:   new(dto.UpdateEnterpriseStatusReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -47,7 +47,7 @@ func registerEnterpriseRoutes(router fiber.Router, handler *admin.EnterpriseHand
 	Register(enterprises, doc, groupPath, "PUT", "/:id/password", handler.UpdatePassword, RouteSpec{
 		Summary: "修改企业账号密码",
 		Tags:    []string{"企业客户管理"},
-		Input:   new(model.UpdateEnterprisePasswordReq),
+		Input:   new(dto.UpdateEnterprisePasswordReq),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/enterprise_card.go b/internal/routes/enterprise_card.go
index 2c8206c..f9d0101 100644
--- a/internal/routes/enterprise_card.go
+++ b/internal/routes/enterprise_card.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,39 +15,39 @@ func registerEnterpriseCardRoutes(router fiber.Router, handler *admin.Enterprise
 	Register(enterprises, doc, groupPath, "POST", "/:id/allocate-cards/preview", handler.AllocateCardsPreview, RouteSpec{
 		Summary: "卡授权预检",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.AllocateCardsPreviewReq),
-		Output:  new(model.AllocateCardsPreviewResp),
+		Input:   new(dto.AllocateCardsPreviewReq),
+		Output:  new(dto.AllocateCardsPreviewResp),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "POST", "/:id/allocate-cards", handler.AllocateCards, RouteSpec{
 		Summary: "授权卡给企业",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.AllocateCardsReq),
-		Output:  new(model.AllocateCardsResp),
+		Input:   new(dto.AllocateCardsReq),
+		Output:  new(dto.AllocateCardsResp),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "POST", "/:id/recall-cards", handler.RecallCards, RouteSpec{
 		Summary: "回收卡授权",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.RecallCardsReq),
-		Output:  new(model.RecallCardsResp),
+		Input:   new(dto.RecallCardsReq),
+		Output:  new(dto.RecallCardsResp),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "GET", "/:id/cards", handler.ListCards, RouteSpec{
 		Summary: "企业卡列表",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.EnterpriseCardListReq),
-		Output:  new(model.EnterpriseCardPageResult),
+		Input:   new(dto.EnterpriseCardListReq),
+		Output:  new(dto.EnterpriseCardPageResult),
 		Auth:    true,
 	})
 
 	Register(enterprises, doc, groupPath, "POST", "/:id/cards/:card_id/suspend", handler.SuspendCard, RouteSpec{
 		Summary: "停机卡",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.SuspendCardReq),
+		Input:   new(dto.SuspendCardReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -55,7 +55,7 @@ func registerEnterpriseCardRoutes(router fiber.Router, handler *admin.Enterprise
 	Register(enterprises, doc, groupPath, "POST", "/:id/cards/:card_id/resume", handler.ResumeCard, RouteSpec{
 		Summary: "复机卡",
 		Tags:    []string{"企业卡授权"},
-		Input:   new(model.ResumeCardReq),
+		Input:   new(dto.ResumeCardReq),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/h5.go b/internal/routes/h5.go
index 1054433..9c163b4 100644
--- a/internal/routes/h5.go
+++ b/internal/routes/h5.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -27,16 +27,16 @@ func registerH5AuthRoutes(router fiber.Router, handler interface{}, authMiddlewa
 	Register(router, doc, basePath, "POST", "/login", h.Login, RouteSpec{
 		Summary: "H5 登录",
 		Tags:    []string{"H5 认证"},
-		Input:   new(model.LoginRequest),
-		Output:  new(model.LoginResponse),
+		Input:   new(dto.LoginRequest),
+		Output:  new(dto.LoginResponse),
 		Auth:    false,
 	})
 
 	Register(router, doc, basePath, "POST", "/refresh-token", h.RefreshToken, RouteSpec{
 		Summary: "刷新 Token",
 		Tags:    []string{"H5 认证"},
-		Input:   new(model.RefreshTokenRequest),
-		Output:  new(model.RefreshTokenResponse),
+		Input:   new(dto.RefreshTokenRequest),
+		Output:  new(dto.RefreshTokenResponse),
 		Auth:    false,
 	})
 
@@ -54,14 +54,14 @@ func registerH5AuthRoutes(router fiber.Router, handler interface{}, authMiddlewa
 		Summary: "获取当前用户信息",
 		Tags:    []string{"H5 认证"},
 		Input:   nil,
-		Output:  new(model.UserInfo),
+		Output:  new(dto.UserInfo),
 		Auth:    true,
 	})
 
 	Register(authGroup, doc, basePath, "PUT", "/password", h.ChangePassword, RouteSpec{
 		Summary: "修改密码",
 		Tags:    []string{"H5 认证"},
-		Input:   new(model.ChangePasswordRequest),
+		Input:   new(dto.ChangePasswordRequest),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/my_commission.go b/internal/routes/my_commission.go
index 1835749..4ba38ce 100644
--- a/internal/routes/my_commission.go
+++ b/internal/routes/my_commission.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -16,31 +16,31 @@ func registerMyCommissionRoutes(router fiber.Router, handler *admin.MyCommission
 		Summary: "我的佣金概览",
 		Tags:    []string{"我的佣金"},
 		Input:   nil,
-		Output:  new(model.MyCommissionSummaryResp),
+		Output:  new(dto.MyCommissionSummaryResp),
 		Auth:    true,
 	})
 
 	Register(my, doc, groupPath, "POST", "/withdrawal-requests", handler.CreateWithdrawal, RouteSpec{
 		Summary: "发起提现申请",
 		Tags:    []string{"我的佣金"},
-		Input:   new(model.CreateMyWithdrawalReq),
-		Output:  new(model.CreateMyWithdrawalResp),
+		Input:   new(dto.CreateMyWithdrawalReq),
+		Output:  new(dto.CreateMyWithdrawalResp),
 		Auth:    true,
 	})
 
 	Register(my, doc, groupPath, "GET", "/withdrawal-requests", handler.ListWithdrawals, RouteSpec{
 		Summary: "我的提现记录",
 		Tags:    []string{"我的佣金"},
-		Input:   new(model.MyWithdrawalListReq),
-		Output:  new(model.WithdrawalRequestPageResult),
+		Input:   new(dto.MyWithdrawalListReq),
+		Output:  new(dto.WithdrawalRequestPageResult),
 		Auth:    true,
 	})
 
 	Register(my, doc, groupPath, "GET", "/commission-records", handler.ListRecords, RouteSpec{
 		Summary: "我的佣金明细",
 		Tags:    []string{"我的佣金"},
-		Input:   new(model.MyCommissionRecordListReq),
-		Output:  new(model.MyCommissionRecordPageResult),
+		Input:   new(dto.MyCommissionRecordListReq),
+		Output:  new(dto.MyCommissionRecordPageResult),
 		Auth:    true,
 	})
 }
diff --git a/internal/routes/permission.go b/internal/routes/permission.go
index c2b3a39..5454769 100644
--- a/internal/routes/permission.go
+++ b/internal/routes/permission.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -17,16 +17,16 @@ func registerPermissionRoutes(api fiber.Router, h *admin.PermissionHandler, doc
 	Register(permissions, doc, groupPath, "POST", "", h.Create, RouteSpec{
 		Summary: "创建权限",
 		Tags:    []string{"权限"},
-		Input:   new(model.CreatePermissionRequest),
-		Output:  new(model.PermissionResponse),
+		Input:   new(dto.CreatePermissionRequest),
+		Output:  new(dto.PermissionResponse),
 		Auth:    true,
 	})
 
 	Register(permissions, doc, groupPath, "GET", "", h.List, RouteSpec{
 		Summary: "权限列表",
 		Tags:    []string{"权限"},
-		Input:   new(model.PermissionListRequest),
-		Output:  new(model.PermissionPageResult),
+		Input:   new(dto.PermissionListRequest),
+		Output:  new(dto.PermissionPageResult),
 		Auth:    true,
 	})
 
@@ -34,30 +34,30 @@ func registerPermissionRoutes(api fiber.Router, h *admin.PermissionHandler, doc
 		Summary: "获取权限树",
 		Tags:    []string{"权限"},
 		Input:   nil, // 无参数或 Query 参数
-		Output:  new([]*model.PermissionTreeNode),
+		Output:  new([]*dto.PermissionTreeNode),
 		Auth:    true,
 	})
 
 	Register(permissions, doc, groupPath, "GET", "/:id", h.Get, RouteSpec{
 		Summary: "获取权限详情",
 		Tags:    []string{"权限"},
-		Input:   new(model.IDReq),
-		Output:  new(model.PermissionResponse),
+		Input:   new(dto.IDReq),
+		Output:  new(dto.PermissionResponse),
 		Auth:    true,
 	})
 
 	Register(permissions, doc, groupPath, "PUT", "/:id", h.Update, RouteSpec{
 		Summary: "更新权限",
 		Tags:    []string{"权限"},
-		Input:   new(model.UpdatePermissionParams),
-		Output:  new(model.PermissionResponse),
+		Input:   new(dto.UpdatePermissionParams),
+		Output:  new(dto.PermissionResponse),
 		Auth:    true,
 	})
 
 	Register(permissions, doc, groupPath, "DELETE", "/:id", h.Delete, RouteSpec{
 		Summary: "删除权限",
 		Tags:    []string{"权限"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/role.go b/internal/routes/role.go
index 458c215..68ad06c 100644
--- a/internal/routes/role.go
+++ b/internal/routes/role.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -17,39 +18,39 @@ func registerRoleRoutes(api fiber.Router, h *admin.RoleHandler, doc *openapi.Gen
 	Register(roles, doc, groupPath, "POST", "", h.Create, RouteSpec{
 		Summary: "创建角色",
 		Tags:    []string{"角色"},
-		Input:   new(model.CreateRoleRequest),
-		Output:  new(model.RoleResponse),
+		Input:   new(dto.CreateRoleRequest),
+		Output:  new(dto.RoleResponse),
 		Auth:    true,
 	})
 
 	Register(roles, doc, groupPath, "GET", "", h.List, RouteSpec{
 		Summary: "角色列表",
 		Tags:    []string{"角色"},
-		Input:   new(model.RoleListRequest),
-		Output:  new(model.RolePageResult),
+		Input:   new(dto.RoleListRequest),
+		Output:  new(dto.RolePageResult),
 		Auth:    true,
 	})
 
 	Register(roles, doc, groupPath, "GET", "/:id", h.Get, RouteSpec{
 		Summary: "获取角色详情",
 		Tags:    []string{"角色"},
-		Input:   new(model.IDReq),
-		Output:  new(model.RoleResponse),
+		Input:   new(dto.IDReq),
+		Output:  new(dto.RoleResponse),
 		Auth:    true,
 	})
 
 	Register(roles, doc, groupPath, "PUT", "/:id", h.Update, RouteSpec{
 		Summary: "更新角色",
 		Tags:    []string{"角色"},
-		Input:   new(model.UpdateRoleParams),
-		Output:  new(model.RoleResponse),
+		Input:   new(dto.UpdateRoleParams),
+		Output:  new(dto.RoleResponse),
 		Auth:    true,
 	})
 
 	Register(roles, doc, groupPath, "PUT", "/:id/status", h.UpdateStatus, RouteSpec{
 		Summary: "更新角色状态",
 		Tags:    []string{"角色"},
-		Input:   new(model.UpdateRoleStatusParams),
+		Input:   new(dto.UpdateRoleStatusParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -57,7 +58,7 @@ func registerRoleRoutes(api fiber.Router, h *admin.RoleHandler, doc *openapi.Gen
 	Register(roles, doc, groupPath, "DELETE", "/:id", h.Delete, RouteSpec{
 		Summary: "删除角色",
 		Tags:    []string{"角色"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -66,7 +67,7 @@ func registerRoleRoutes(api fiber.Router, h *admin.RoleHandler, doc *openapi.Gen
 	Register(roles, doc, groupPath, "POST", "/:id/permissions", h.AssignPermissions, RouteSpec{
 		Summary: "分配权限",
 		Tags:    []string{"角色"},
-		Input:   new(model.AssignPermissionsParams),
+		Input:   new(dto.AssignPermissionsParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -74,7 +75,7 @@ func registerRoleRoutes(api fiber.Router, h *admin.RoleHandler, doc *openapi.Gen
 	Register(roles, doc, groupPath, "GET", "/:id/permissions", h.GetPermissions, RouteSpec{
 		Summary: "获取角色权限",
 		Tags:    []string{"角色"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  new([]model.Permission),
 		Auth:    true,
 	})
@@ -82,7 +83,7 @@ func registerRoleRoutes(api fiber.Router, h *admin.RoleHandler, doc *openapi.Gen
 	Register(roles, doc, groupPath, "DELETE", "/:role_id/permissions/:perm_id", h.RemovePermission, RouteSpec{
 		Summary: "移除权限",
 		Tags:    []string{"角色"},
-		Input:   new(model.RemovePermissionParams),
+		Input:   new(dto.RemovePermissionParams),
 		Output:  nil,
 		Auth:    true,
 	})
diff --git a/internal/routes/shop.go b/internal/routes/shop.go
index 234668c..1001763 100644
--- a/internal/routes/shop.go
+++ b/internal/routes/shop.go
@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,31 +15,31 @@ func registerShopRoutes(router fiber.Router, handler *admin.ShopHandler, doc *op
 	Register(shops, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "店铺列表",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.ShopListRequest),
-		Output:  new(model.ShopPageResult),
+		Input:   new(dto.ShopListRequest),
+		Output:  new(dto.ShopPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "创建店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.CreateShopRequest),
-		Output:  new(model.ShopResponse),
+		Input:   new(dto.CreateShopRequest),
+		Output:  new(dto.ShopResponse),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "更新店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.UpdateShopParams),
-		Output:  new(model.ShopResponse),
+		Input:   new(dto.UpdateShopParams),
+		Output:  new(dto.ShopResponse),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "DELETE", "/:id", handler.Delete, RouteSpec{
 		Summary: "删除店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -52,31 +52,31 @@ func registerShopAccountRoutes(router fiber.Router, handler *admin.ShopAccountHa
 	Register(shopAccounts, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "代理账号列表",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.ShopAccountListRequest),
-		Output:  new(model.ShopAccountPageResult),
+		Input:   new(dto.ShopAccountListRequest),
+		Output:  new(dto.ShopAccountPageResult),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "创建代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.CreateShopAccountRequest),
-		Output:  new(model.ShopAccountResponse),
+		Input:   new(dto.CreateShopAccountRequest),
+		Output:  new(dto.ShopAccountResponse),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "更新代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountParams),
-		Output:  new(model.ShopAccountResponse),
+		Input:   new(dto.UpdateShopAccountParams),
+		Output:  new(dto.ShopAccountResponse),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id/password", handler.UpdatePassword, RouteSpec{
 		Summary: "重置代理账号密码",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountPasswordParams),
+		Input:   new(dto.UpdateShopAccountPasswordParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -84,7 +84,7 @@ func registerShopAccountRoutes(router fiber.Router, handler *admin.ShopAccountHa
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id/status", handler.UpdateStatus, RouteSpec{
 		Summary: "启用/禁用代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountStatusParams),
+		Input:   new(dto.UpdateShopAccountStatusParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -97,24 +97,24 @@ func registerShopCommissionRoutes(router fiber.Router, handler *admin.ShopCommis
 	Register(shops, doc, groupPath, "GET", "/commission-summary", handler.ListCommissionSummary, RouteSpec{
 		Summary: "代理商佣金列表",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopCommissionSummaryListReq),
-		Output:  new(model.ShopCommissionSummaryPageResult),
+		Input:   new(dto.ShopCommissionSummaryListReq),
+		Output:  new(dto.ShopCommissionSummaryPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "GET", "/:shop_id/withdrawal-requests", handler.ListWithdrawalRequests, RouteSpec{
 		Summary: "代理商提现记录",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopWithdrawalRequestListReq),
-		Output:  new(model.ShopWithdrawalRequestPageResult),
+		Input:   new(dto.ShopWithdrawalRequestListReq),
+		Output:  new(dto.ShopWithdrawalRequestPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "GET", "/:shop_id/commission-records", handler.ListCommissionRecords, RouteSpec{
 		Summary: "代理商佣金明细",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopCommissionRecordListReq),
-		Output:  new(model.ShopCommissionRecordPageResult),
+		Input:   new(dto.ShopCommissionRecordListReq),
+		Output:  new(dto.ShopCommissionRecordPageResult),
 		Auth:    true,
 	})
 }
diff --git a/internal/routes/task.go b/internal/routes/task.go
index 9422889..93beaa7 100644
--- a/internal/routes/task.go
+++ b/internal/routes/task.go
@@ -3,7 +3,7 @@ package routes
 import (
 	"github.com/gofiber/fiber/v2"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 	"github.com/break/junhong_cmp_fiber/pkg/response"
 )
@@ -26,7 +26,7 @@ func registerTaskRoutes(api fiber.Router, doc *openapi.Generator, basePath strin
 	}, RouteSpec{
 		Summary: "查询任务状态",
 		Tags:    []string{"任务管理"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  new(TaskStatusResponse),
 		Auth:    true,
 	})
diff --git a/internal/service/account/service.go b/internal/service/account/service.go
index 87831d7..04f27a0 100644
--- a/internal/service/account/service.go
+++ b/internal/service/account/service.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -33,7 +34,7 @@ func New(accountStore *postgres.AccountStore, roleStore *postgres.RoleStore, acc
 }
 
 // Create 创建账号
-func (s *Service) Create(ctx context.Context, req *model.CreateAccountRequest) (*model.Account, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateAccountRequest) (*model.Account, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -102,7 +103,7 @@ func (s *Service) Get(ctx context.Context, id uint) (*model.Account, error) {
 }
 
 // Update 更新账号
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateAccountRequest) (*model.Account, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateAccountRequest) (*model.Account, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -180,7 +181,7 @@ func (s *Service) Delete(ctx context.Context, id uint) error {
 }
 
 // List 查询账号列表
-func (s *Service) List(ctx context.Context, req *model.AccountListRequest) ([]*model.Account, int64, error) {
+func (s *Service) List(ctx context.Context, req *dto.AccountListRequest) ([]*model.Account, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -397,7 +398,7 @@ func (s *Service) UpdateStatus(ctx context.Context, accountID uint, status int)
 }
 
 // ListPlatformAccounts 查询平台账号列表（自动筛选 user_type IN (1, 2)）
-func (s *Service) ListPlatformAccounts(ctx context.Context, req *model.PlatformAccountListRequest) ([]*model.Account, int64, error) {
+func (s *Service) ListPlatformAccounts(ctx context.Context, req *dto.PlatformAccountListRequest) ([]*model.Account, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
diff --git a/internal/service/auth/service.go b/internal/service/auth/service.go
index f18c70c..0e3cddf 100644
--- a/internal/service/auth/service.go
+++ b/internal/service/auth/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -42,7 +43,7 @@ func New(
 	}
 }
 
-func (s *Service) Login(ctx context.Context, req *model.LoginRequest, clientIP string) (*model.LoginResponse, error) {
+func (s *Service) Login(ctx context.Context, req *dto.LoginRequest, clientIP string) (*dto.LoginResponse, error) {
 	ctx = pkgGorm.SkipDataPermission(ctx)
 
 	account, err := s.accountStore.GetByUsernameOrPhone(ctx, req.Username)
@@ -107,7 +108,7 @@ func (s *Service) Login(ctx context.Context, req *model.LoginRequest, clientIP s
 		zap.String("ip", clientIP),
 	)
 
-	return &model.LoginResponse{
+	return &dto.LoginResponse{
 		AccessToken:  accessToken,
 		RefreshToken: refreshToken,
 		ExpiresIn:    int64(constants.DefaultAccessTokenTTL.Seconds()),
@@ -134,7 +135,7 @@ func (s *Service) RefreshToken(ctx context.Context, refreshToken string) (string
 	return s.tokenManager.RefreshAccessToken(ctx, refreshToken)
 }
 
-func (s *Service) GetCurrentUser(ctx context.Context, userID uint) (*model.UserInfo, []string, error) {
+func (s *Service) GetCurrentUser(ctx context.Context, userID uint) (*dto.UserInfo, []string, error) {
 	account, err := s.accountStore.GetByID(ctx, userID)
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {
@@ -222,7 +223,7 @@ func (s *Service) getUserPermissions(ctx context.Context, userID uint) ([]string
 	return permCodes, nil
 }
 
-func (s *Service) buildUserInfo(account *model.Account) model.UserInfo {
+func (s *Service) buildUserInfo(account *model.Account) dto.UserInfo {
 	userTypeName := s.getUserTypeName(account.UserType)
 
 	var shopID, enterpriseID uint
@@ -233,7 +234,7 @@ func (s *Service) buildUserInfo(account *model.Account) model.UserInfo {
 		enterpriseID = *account.EnterpriseID
 	}
 
-	return model.UserInfo{
+	return dto.UserInfo{
 		ID:           account.ID,
 		Username:     account.Username,
 		Phone:        account.Phone,
diff --git a/internal/service/commission_withdrawal/service.go b/internal/service/commission_withdrawal/service.go
index 6c6f2fd..3c0078c 100644
--- a/internal/service/commission_withdrawal/service.go
+++ b/internal/service/commission_withdrawal/service.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -42,7 +43,7 @@ func New(
 	}
 }
 
-func (s *Service) ListWithdrawalRequests(ctx context.Context, req *model.WithdrawalRequestListReq) (*model.WithdrawalRequestPageResult, error) {
+func (s *Service) ListWithdrawalRequests(ctx context.Context, req *dto.WithdrawalRequestListReq) (*dto.WithdrawalRequestPageResult, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -116,7 +117,7 @@ func (s *Service) ListWithdrawalRequests(ctx context.Context, req *model.Withdra
 		}
 	}
 
-	items := make([]model.WithdrawalRequestItem, 0, len(requests))
+	items := make([]dto.WithdrawalRequestItem, 0, len(requests))
 	for _, r := range requests {
 		shop := shopMap[r.ShopID]
 		shopName := ""
@@ -134,7 +135,7 @@ func (s *Service) ListWithdrawalRequests(ctx context.Context, req *model.Withdra
 		items = append(items, item)
 	}
 
-	return &model.WithdrawalRequestPageResult{
+	return &dto.WithdrawalRequestPageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
@@ -142,7 +143,7 @@ func (s *Service) ListWithdrawalRequests(ctx context.Context, req *model.Withdra
 	}, nil
 }
 
-func (s *Service) Approve(ctx context.Context, id uint, req *model.ApproveWithdrawalReq) (*model.WithdrawalApprovalResp, error) {
+func (s *Service) Approve(ctx context.Context, id uint, req *dto.ApproveWithdrawalReq) (*dto.WithdrawalApprovalResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -241,7 +242,7 @@ func (s *Service) Approve(ctx context.Context, id uint, req *model.ApproveWithdr
 		return nil, err
 	}
 
-	return &model.WithdrawalApprovalResp{
+	return &dto.WithdrawalApprovalResp{
 		ID:           withdrawal.ID,
 		WithdrawalNo: withdrawal.WithdrawalNo,
 		Status:       constants.WithdrawalStatusApproved,
@@ -250,7 +251,7 @@ func (s *Service) Approve(ctx context.Context, id uint, req *model.ApproveWithdr
 	}, nil
 }
 
-func (s *Service) Reject(ctx context.Context, id uint, req *model.RejectWithdrawalReq) (*model.WithdrawalApprovalResp, error) {
+func (s *Service) Reject(ctx context.Context, id uint, req *dto.RejectWithdrawalReq) (*dto.WithdrawalApprovalResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -312,7 +313,7 @@ func (s *Service) Reject(ctx context.Context, id uint, req *model.RejectWithdraw
 		return nil, err
 	}
 
-	return &model.WithdrawalApprovalResp{
+	return &dto.WithdrawalApprovalResp{
 		ID:           withdrawal.ID,
 		WithdrawalNo: withdrawal.WithdrawalNo,
 		Status:       constants.WithdrawalStatusRejected,
@@ -340,7 +341,7 @@ func (s *Service) buildShopHierarchyPath(ctx context.Context, shop *model.Shop)
 	return path
 }
 
-func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalRequest, shopName, shopHierarchy string, applicantMap, processorMap map[uint]string) model.WithdrawalRequestItem {
+func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalRequest, shopName, shopHierarchy string, applicantMap, processorMap map[uint]string) dto.WithdrawalRequestItem {
 	var processorID *uint
 	if r.ProcessorID > 0 {
 		processorID = &r.ProcessorID
@@ -367,7 +368,7 @@ func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalReques
 		processedAt = r.ProcessedAt.Format("2006-01-02 15:04:05")
 	}
 
-	return model.WithdrawalRequestItem{
+	return dto.WithdrawalRequestItem{
 		ID:               r.ID,
 		WithdrawalNo:     r.WithdrawalNo,
 		Amount:           r.Amount,
diff --git a/internal/service/commission_withdrawal_setting/service.go b/internal/service/commission_withdrawal_setting/service.go
index 475a691..083f3f5 100644
--- a/internal/service/commission_withdrawal_setting/service.go
+++ b/internal/service/commission_withdrawal_setting/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -31,7 +32,7 @@ func New(
 	}
 }
 
-func (s *Service) Create(ctx context.Context, req *model.CreateWithdrawalSettingReq) (*model.WithdrawalSettingItem, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateWithdrawalSettingReq) (*dto.WithdrawalSettingItem, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -65,7 +66,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateWithdrawalSetting
 		creatorName = creator.Username
 	}
 
-	return &model.WithdrawalSettingItem{
+	return &dto.WithdrawalSettingItem{
 		ID:                   setting.ID,
 		DailyWithdrawalLimit: setting.DailyWithdrawalLimit,
 		MinWithdrawalAmount:  setting.MinWithdrawalAmount,
@@ -78,7 +79,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateWithdrawalSetting
 	}, nil
 }
 
-func (s *Service) List(ctx context.Context, req *model.WithdrawalSettingListReq) (*model.WithdrawalSettingPageResult, error) {
+func (s *Service) List(ctx context.Context, req *dto.WithdrawalSettingListReq) (*dto.WithdrawalSettingPageResult, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -110,9 +111,9 @@ func (s *Service) List(ctx context.Context, req *model.WithdrawalSettingListReq)
 		}
 	}
 
-	items := make([]model.WithdrawalSettingItem, 0, len(settings))
+	items := make([]dto.WithdrawalSettingItem, 0, len(settings))
 	for _, setting := range settings {
-		items = append(items, model.WithdrawalSettingItem{
+		items = append(items, dto.WithdrawalSettingItem{
 			ID:                   setting.ID,
 			DailyWithdrawalLimit: setting.DailyWithdrawalLimit,
 			MinWithdrawalAmount:  setting.MinWithdrawalAmount,
@@ -125,7 +126,7 @@ func (s *Service) List(ctx context.Context, req *model.WithdrawalSettingListReq)
 		})
 	}
 
-	return &model.WithdrawalSettingPageResult{
+	return &dto.WithdrawalSettingPageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
@@ -133,7 +134,7 @@ func (s *Service) List(ctx context.Context, req *model.WithdrawalSettingListReq)
 	}, nil
 }
 
-func (s *Service) GetCurrent(ctx context.Context) (*model.WithdrawalSettingItem, error) {
+func (s *Service) GetCurrent(ctx context.Context) (*dto.WithdrawalSettingItem, error) {
 	setting, err := s.commissionWithdrawalSettingStore.GetCurrent(ctx)
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {
@@ -147,7 +148,7 @@ func (s *Service) GetCurrent(ctx context.Context) (*model.WithdrawalSettingItem,
 		creatorName = creator.Username
 	}
 
-	return &model.WithdrawalSettingItem{
+	return &dto.WithdrawalSettingItem{
 		ID:                   setting.ID,
 		DailyWithdrawalLimit: setting.DailyWithdrawalLimit,
 		MinWithdrawalAmount:  setting.MinWithdrawalAmount,
diff --git a/internal/service/customer/service.go b/internal/service/customer/service.go
index 3355294..cc892e0 100644
--- a/internal/service/customer/service.go
+++ b/internal/service/customer/service.go
@@ -6,6 +6,7 @@ import (
 	"context"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -25,7 +26,7 @@ func New(customerStore *postgres.PersonalCustomerStore) *Service {
 }
 
 // Create 创建个人客户
-func (s *Service) Create(ctx context.Context, req *model.CreatePersonalCustomerRequest) (*model.PersonalCustomer, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreatePersonalCustomerRequest) (*model.PersonalCustomer, error) {
 	// 检查手机号唯一性
 	if req.Phone != "" {
 		existing, err := s.customerStore.GetByPhone(ctx, req.Phone)
@@ -55,7 +56,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreatePersonalCustomerR
 }
 
 // Update 更新个人客户信息
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdatePersonalCustomerRequest) (*model.PersonalCustomer, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdatePersonalCustomerRequest) (*model.PersonalCustomer, error) {
 	// 查询客户
 	customer, err := s.customerStore.GetByID(ctx, id)
 	if err != nil {
diff --git a/internal/service/customer_account/service.go b/internal/service/customer_account/service.go
index f3efc51..a727e39 100644
--- a/internal/service/customer_account/service.go
+++ b/internal/service/customer_account/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -34,7 +35,7 @@ func New(
 	}
 }
 
-func (s *Service) List(ctx context.Context, req *model.CustomerAccountListReq) (*model.CustomerAccountPageResult, error) {
+func (s *Service) List(ctx context.Context, req *dto.CustomerAccountListReq) (*dto.CustomerAccountPageResult, error) {
 	page := req.Page
 	pageSize := req.PageSize
 	if page == 0 {
@@ -106,7 +107,7 @@ func (s *Service) List(ctx context.Context, req *model.CustomerAccountListReq) (
 		}
 	}
 
-	items := make([]model.CustomerAccountItem, 0, len(accounts))
+	items := make([]dto.CustomerAccountItem, 0, len(accounts))
 	for _, acc := range accounts {
 		shopName := ""
 		if acc.ShopID != nil {
@@ -116,7 +117,7 @@ func (s *Service) List(ctx context.Context, req *model.CustomerAccountListReq) (
 		if acc.EnterpriseID != nil {
 			enterpriseName = enterpriseMap[*acc.EnterpriseID]
 		}
-		items = append(items, model.CustomerAccountItem{
+		items = append(items, dto.CustomerAccountItem{
 			ID:             acc.ID,
 			Username:       acc.Username,
 			Phone:          acc.Phone,
@@ -132,7 +133,7 @@ func (s *Service) List(ctx context.Context, req *model.CustomerAccountListReq) (
 		})
 	}
 
-	return &model.CustomerAccountPageResult{
+	return &dto.CustomerAccountPageResult{
 		Items: items,
 		Total: total,
 		Page:  page,
@@ -140,7 +141,7 @@ func (s *Service) List(ctx context.Context, req *model.CustomerAccountListReq) (
 	}, nil
 }
 
-func (s *Service) Create(ctx context.Context, req *model.CreateCustomerAccountReq) (*model.CustomerAccountItem, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateCustomerAccountReq) (*dto.CustomerAccountItem, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -182,7 +183,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateCustomerAccountRe
 		shopName = shop.ShopName
 	}
 
-	return &model.CustomerAccountItem{
+	return &dto.CustomerAccountItem{
 		ID:           account.ID,
 		Username:     account.Username,
 		Phone:        account.Phone,
@@ -196,7 +197,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateCustomerAccountRe
 	}, nil
 }
 
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateCustomerAccountRequest) (*model.CustomerAccountItem, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateCustomerAccountRequest) (*dto.CustomerAccountItem, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -242,7 +243,7 @@ func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateCustomer
 		}
 	}
 
-	return &model.CustomerAccountItem{
+	return &dto.CustomerAccountItem{
 		ID:             account.ID,
 		Username:       account.Username,
 		Phone:          account.Phone,
diff --git a/internal/service/enterprise/service.go b/internal/service/enterprise/service.go
index e64ec6c..d7bdbae 100644
--- a/internal/service/enterprise/service.go
+++ b/internal/service/enterprise/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -30,7 +31,7 @@ func New(db *gorm.DB, enterpriseStore *postgres.EnterpriseStore, shopStore *post
 	}
 }
 
-func (s *Service) Create(ctx context.Context, req *model.CreateEnterpriseReq) (*model.CreateEnterpriseResp, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateEnterpriseReq) (*dto.CreateEnterpriseResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -114,8 +115,8 @@ func (s *Service) Create(ctx context.Context, req *model.CreateEnterpriseReq) (*
 		}
 	}
 
-	return &model.CreateEnterpriseResp{
-		Enterprise: model.EnterpriseItem{
+	return &dto.CreateEnterpriseResp{
+		Enterprise: dto.EnterpriseItem{
 			ID:              enterprise.ID,
 			EnterpriseName:  enterprise.EnterpriseName,
 			EnterpriseCode:  enterprise.EnterpriseCode,
@@ -139,7 +140,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateEnterpriseReq) (*
 }
 
 // Update 更新企业信息
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateEnterpriseRequest) (*model.Enterprise, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateEnterpriseRequest) (*model.Enterprise, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -262,7 +263,7 @@ func (s *Service) GetByID(ctx context.Context, id uint) (*model.Enterprise, erro
 	return enterprise, nil
 }
 
-func (s *Service) List(ctx context.Context, req *model.EnterpriseListReq) (*model.EnterprisePageResult, error) {
+func (s *Service) List(ctx context.Context, req *dto.EnterpriseListReq) (*dto.EnterprisePageResult, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -322,13 +323,13 @@ func (s *Service) List(ctx context.Context, req *model.EnterpriseListReq) (*mode
 		}
 	}
 
-	items := make([]model.EnterpriseItem, 0, len(enterprises))
+	items := make([]dto.EnterpriseItem, 0, len(enterprises))
 	for _, e := range enterprises {
 		ownerShopName := ""
 		if e.OwnerShopID != nil {
 			ownerShopName = shopMap[*e.OwnerShopID]
 		}
-		items = append(items, model.EnterpriseItem{
+		items = append(items, dto.EnterpriseItem{
 			ID:              e.ID,
 			EnterpriseName:  e.EnterpriseName,
 			EnterpriseCode:  e.EnterpriseCode,
@@ -349,7 +350,7 @@ func (s *Service) List(ctx context.Context, req *model.EnterpriseListReq) (*mode
 		})
 	}
 
-	return &model.EnterprisePageResult{
+	return &dto.EnterprisePageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
diff --git a/internal/service/enterprise_card/service.go b/internal/service/enterprise_card/service.go
index 95f074a..961e49d 100644
--- a/internal/service/enterprise_card/service.go
+++ b/internal/service/enterprise_card/service.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -31,7 +32,7 @@ func New(
 	}
 }
 
-func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, req *model.AllocateCardsPreviewReq) (*model.AllocateCardsPreviewResp, error) {
+func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, req *dto.AllocateCardsPreviewReq) (*dto.AllocateCardsPreviewResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -84,10 +85,10 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 		}
 	}
 
-	resp := &model.AllocateCardsPreviewResp{
-		StandaloneCards: make([]model.StandaloneCard, 0),
-		DeviceBundles:   make([]model.DeviceBundle, 0),
-		FailedItems:     make([]model.FailedItem, 0),
+	resp := &dto.AllocateCardsPreviewResp{
+		StandaloneCards: make([]dto.StandaloneCard, 0),
+		DeviceBundles:   make([]dto.DeviceBundle, 0),
+		FailedItems:     make([]dto.FailedItem, 0),
 	}
 
 	processedDevices := make(map[uint]bool)
@@ -95,7 +96,7 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 	for _, iccid := range req.ICCIDs {
 		card, exists := cardMap[iccid]
 		if !exists {
-			resp.FailedItems = append(resp.FailedItems, model.FailedItem{
+			resp.FailedItems = append(resp.FailedItems, dto.FailedItem{
 				ICCID:  iccid,
 				Reason: "卡不存在",
 			})
@@ -104,7 +105,7 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 
 		deviceID, hasDevice := cardToDevice[card.ID]
 		if !hasDevice {
-			resp.StandaloneCards = append(resp.StandaloneCards, model.StandaloneCard{
+			resp.StandaloneCards = append(resp.StandaloneCards, dto.StandaloneCard{
 				ICCID:      card.ICCID,
 				IotCardID:  card.ID,
 				MSISDN:     card.MSISDN,
@@ -123,10 +124,10 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 			}
 
 			bundleCardIDs := deviceCards[deviceID]
-			bundle := model.DeviceBundle{
+			bundle := dto.DeviceBundle{
 				DeviceID:    deviceID,
 				DeviceNo:    device.DeviceNo,
-				BundleCards: make([]model.DeviceBundleCard, 0),
+				BundleCards: make([]dto.DeviceBundleCard, 0),
 			}
 
 			for _, bundleCardID := range bundleCardIDs {
@@ -135,13 +136,13 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 					continue
 				}
 				if bundleCard.ID == card.ID {
-					bundle.TriggerCard = model.DeviceBundleCard{
+					bundle.TriggerCard = dto.DeviceBundleCard{
 						ICCID:     bundleCard.ICCID,
 						IotCardID: bundleCard.ID,
 						MSISDN:    bundleCard.MSISDN,
 					}
 				} else {
-					bundle.BundleCards = append(bundle.BundleCards, model.DeviceBundleCard{
+					bundle.BundleCards = append(bundle.BundleCards, dto.DeviceBundleCard{
 						ICCID:     bundleCard.ICCID,
 						IotCardID: bundleCard.ID,
 						MSISDN:    bundleCard.MSISDN,
@@ -158,7 +159,7 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 		deviceCardCount += 1 + len(bundle.BundleCards)
 	}
 
-	resp.Summary = model.AllocatePreviewSummary{
+	resp.Summary = dto.AllocatePreviewSummary{
 		StandaloneCardCount: len(resp.StandaloneCards),
 		DeviceCount:         len(resp.DeviceBundles),
 		DeviceCardCount:     deviceCardCount,
@@ -169,7 +170,7 @@ func (s *Service) AllocateCardsPreview(ctx context.Context, enterpriseID uint, r
 	return resp, nil
 }
 
-func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *model.AllocateCardsReq) (*model.AllocateCardsResp, error) {
+func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *dto.AllocateCardsReq) (*dto.AllocateCardsResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	currentShopID := middleware.GetShopIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -181,7 +182,7 @@ func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *mod
 		return nil, errors.New(errors.CodeEnterpriseNotFound, "企业不存在")
 	}
 
-	preview, err := s.AllocateCardsPreview(ctx, enterpriseID, &model.AllocateCardsPreviewReq{ICCIDs: req.ICCIDs})
+	preview, err := s.AllocateCardsPreview(ctx, enterpriseID, &dto.AllocateCardsPreviewReq{ICCIDs: req.ICCIDs})
 	if err != nil {
 		return nil, err
 	}
@@ -190,10 +191,10 @@ func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *mod
 		return nil, errors.New(errors.CodeInvalidParam, "存在设备包，请确认整体授权设备下所有卡")
 	}
 
-	resp := &model.AllocateCardsResp{
+	resp := &dto.AllocateCardsResp{
 		FailedItems:      preview.FailedItems,
 		FailCount:        len(preview.FailedItems),
-		AllocatedDevices: make([]model.AllocatedDevice, 0),
+		AllocatedDevices: make([]dto.AllocatedDevice, 0),
 	}
 
 	cardIDsToAllocate := make([]uint, 0)
@@ -209,7 +210,7 @@ func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *mod
 		for _, card := range bundle.BundleCards {
 			iccids = append(iccids, card.ICCID)
 		}
-		resp.AllocatedDevices = append(resp.AllocatedDevices, model.AllocatedDevice{
+		resp.AllocatedDevices = append(resp.AllocatedDevices, dto.AllocatedDevice{
 			DeviceID:  bundle.DeviceID,
 			DeviceNo:  bundle.DeviceNo,
 			CardCount: 1 + len(bundle.BundleCards),
@@ -248,7 +249,7 @@ func (s *Service) AllocateCards(ctx context.Context, enterpriseID uint, req *mod
 	return resp, nil
 }
 
-func (s *Service) RecallCards(ctx context.Context, enterpriseID uint, req *model.RecallCardsReq) (*model.RecallCardsResp, error) {
+func (s *Service) RecallCards(ctx context.Context, enterpriseID uint, req *dto.RecallCardsReq) (*dto.RecallCardsResp, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -278,23 +279,23 @@ func (s *Service) RecallCards(ctx context.Context, enterpriseID uint, req *model
 		return nil, fmt.Errorf("查询已有授权失败: %w", err)
 	}
 
-	resp := &model.RecallCardsResp{
-		FailedItems:     make([]model.FailedItem, 0),
-		RecalledDevices: make([]model.RecalledDevice, 0),
+	resp := &dto.RecallCardsResp{
+		FailedItems:     make([]dto.FailedItem, 0),
+		RecalledDevices: make([]dto.RecalledDevice, 0),
 	}
 
 	cardIDsToRecall := make([]uint, 0)
 	for _, iccid := range req.ICCIDs {
 		card, exists := cardMap[iccid]
 		if !exists {
-			resp.FailedItems = append(resp.FailedItems, model.FailedItem{
+			resp.FailedItems = append(resp.FailedItems, dto.FailedItem{
 				ICCID:  iccid,
 				Reason: "卡不存在",
 			})
 			continue
 		}
 		if !existingAuths[card.ID] {
-			resp.FailedItems = append(resp.FailedItems, model.FailedItem{
+			resp.FailedItems = append(resp.FailedItems, dto.FailedItem{
 				ICCID:  iccid,
 				Reason: "该卡未授权给此企业",
 			})
@@ -314,7 +315,7 @@ func (s *Service) RecallCards(ctx context.Context, enterpriseID uint, req *model
 	return resp, nil
 }
 
-func (s *Service) ListCards(ctx context.Context, enterpriseID uint, req *model.EnterpriseCardListReq) (*model.EnterpriseCardPageResult, error) {
+func (s *Service) ListCards(ctx context.Context, enterpriseID uint, req *dto.EnterpriseCardListReq) (*dto.EnterpriseCardPageResult, error) {
 	_, err := s.enterpriseStore.GetByID(ctx, enterpriseID)
 	if err != nil {
 		return nil, errors.New(errors.CodeEnterpriseNotFound, "企业不存在")
@@ -326,8 +327,8 @@ func (s *Service) ListCards(ctx context.Context, enterpriseID uint, req *model.E
 	}
 
 	if len(cardIDs) == 0 {
-		return &model.EnterpriseCardPageResult{
-			Items: make([]model.EnterpriseCardItem, 0),
+		return &dto.EnterpriseCardPageResult{
+			Items: make([]dto.EnterpriseCardItem, 0),
 			Total: 0,
 			Page:  req.Page,
 			Size:  req.PageSize,
@@ -366,9 +367,9 @@ func (s *Service) ListCards(ctx context.Context, enterpriseID uint, req *model.E
 		return nil, fmt.Errorf("查询卡列表失败: %w", err)
 	}
 
-	items := make([]model.EnterpriseCardItem, 0, len(cards))
+	items := make([]dto.EnterpriseCardItem, 0, len(cards))
 	for _, card := range cards {
-		items = append(items, model.EnterpriseCardItem{
+		items = append(items, dto.EnterpriseCardItem{
 			ID:                card.ID,
 			ICCID:             card.ICCID,
 			MSISDN:            card.MSISDN,
@@ -380,7 +381,7 @@ func (s *Service) ListCards(ctx context.Context, enterpriseID uint, req *model.E
 		})
 	}
 
-	return &model.EnterpriseCardPageResult{
+	return &dto.EnterpriseCardPageResult{
 		Items: items,
 		Total: total,
 		Page:  page,
diff --git a/internal/service/my_commission/service.go b/internal/service/my_commission/service.go
index 079fb8b..5e9d16d 100644
--- a/internal/service/my_commission/service.go
+++ b/internal/service/my_commission/service.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -46,7 +47,7 @@ func New(
 }
 
 // GetCommissionSummary 获取我的佣金概览
-func (s *Service) GetCommissionSummary(ctx context.Context) (*model.MyCommissionSummaryResp, error) {
+func (s *Service) GetCommissionSummary(ctx context.Context) (*dto.MyCommissionSummaryResp, error) {
 	userType := middleware.GetUserTypeFromContext(ctx)
 	if userType != constants.UserTypeAgent {
 		return nil, errors.New(errors.CodeForbidden, "仅代理商用户可访问")
@@ -66,7 +67,7 @@ func (s *Service) GetCommissionSummary(ctx context.Context) (*model.MyCommission
 	wallet, err := s.walletStore.GetShopCommissionWallet(ctx, shopID)
 	if err != nil {
 		// 钱包不存在时返回空数据
-		return &model.MyCommissionSummaryResp{
+		return &dto.MyCommissionSummaryResp{
 			ShopID:   shopID,
 			ShopName: shop.ShopName,
 		}, nil
@@ -82,7 +83,7 @@ func (s *Service) GetCommissionSummary(ctx context.Context) (*model.MyCommission
 
 	totalCommission := wallet.Balance + wallet.FrozenBalance + totalWithdrawn
 
-	return &model.MyCommissionSummaryResp{
+	return &dto.MyCommissionSummaryResp{
 		ShopID:                shopID,
 		ShopName:              shop.ShopName,
 		TotalCommission:       totalCommission,
@@ -95,7 +96,7 @@ func (s *Service) GetCommissionSummary(ctx context.Context) (*model.MyCommission
 }
 
 // CreateWithdrawalRequest 发起提现申请
-func (s *Service) CreateWithdrawalRequest(ctx context.Context, req *model.CreateMyWithdrawalReq) (*model.CreateMyWithdrawalResp, error) {
+func (s *Service) CreateWithdrawalRequest(ctx context.Context, req *dto.CreateMyWithdrawalReq) (*dto.CreateMyWithdrawalResp, error) {
 	userType := middleware.GetUserTypeFromContext(ctx)
 	if userType != constants.UserTypeAgent {
 		return nil, errors.New(errors.CodeForbidden, "仅代理商用户可访问")
@@ -216,7 +217,7 @@ func (s *Service) CreateWithdrawalRequest(ctx context.Context, req *model.Create
 		return nil, err
 	}
 
-	return &model.CreateMyWithdrawalResp{
+	return &dto.CreateMyWithdrawalResp{
 		ID:           withdrawalRequest.ID,
 		WithdrawalNo: withdrawalRequest.WithdrawalNo,
 		Amount:       withdrawalRequest.Amount,
@@ -230,7 +231,7 @@ func (s *Service) CreateWithdrawalRequest(ctx context.Context, req *model.Create
 }
 
 // ListMyWithdrawalRequests 查询我的提现记录
-func (s *Service) ListMyWithdrawalRequests(ctx context.Context, req *model.MyWithdrawalListReq) (*model.WithdrawalRequestPageResult, error) {
+func (s *Service) ListMyWithdrawalRequests(ctx context.Context, req *dto.MyWithdrawalListReq) (*dto.WithdrawalRequestPageResult, error) {
 	userType := middleware.GetUserTypeFromContext(ctx)
 	if userType != constants.UserTypeAgent {
 		return nil, errors.New(errors.CodeForbidden, "仅代理商用户可访问")
@@ -274,12 +275,12 @@ func (s *Service) ListMyWithdrawalRequests(ctx context.Context, req *model.MyWit
 		return nil, fmt.Errorf("查询提现记录失败: %w", err)
 	}
 
-	items := make([]model.WithdrawalRequestItem, 0, len(requests))
+	items := make([]dto.WithdrawalRequestItem, 0, len(requests))
 	for _, r := range requests {
 		// 解析账户信息
 		accountName, accountNumber := parseAccountInfo(r.AccountInfo)
 
-		items = append(items, model.WithdrawalRequestItem{
+		items = append(items, dto.WithdrawalRequestItem{
 			ID:               r.ID,
 			WithdrawalNo:     r.WithdrawalNo,
 			ShopID:           r.ShopID,
@@ -296,7 +297,7 @@ func (s *Service) ListMyWithdrawalRequests(ctx context.Context, req *model.MyWit
 		})
 	}
 
-	return &model.WithdrawalRequestPageResult{
+	return &dto.WithdrawalRequestPageResult{
 		Items: items,
 		Total: total,
 		Page:  page,
@@ -305,7 +306,7 @@ func (s *Service) ListMyWithdrawalRequests(ctx context.Context, req *model.MyWit
 }
 
 // ListMyCommissionRecords 查询我的佣金明细
-func (s *Service) ListMyCommissionRecords(ctx context.Context, req *model.MyCommissionRecordListReq) (*model.MyCommissionRecordPageResult, error) {
+func (s *Service) ListMyCommissionRecords(ctx context.Context, req *dto.MyCommissionRecordListReq) (*dto.MyCommissionRecordPageResult, error) {
 	userType := middleware.GetUserTypeFromContext(ctx)
 	if userType != constants.UserTypeAgent {
 		return nil, errors.New(errors.CodeForbidden, "仅代理商用户可访问")
@@ -343,9 +344,9 @@ func (s *Service) ListMyCommissionRecords(ctx context.Context, req *model.MyComm
 		return nil, fmt.Errorf("查询佣金记录失败: %w", err)
 	}
 
-	items := make([]model.MyCommissionRecordItem, 0, len(records))
+	items := make([]dto.MyCommissionRecordItem, 0, len(records))
 	for _, r := range records {
-		items = append(items, model.MyCommissionRecordItem{
+		items = append(items, dto.MyCommissionRecordItem{
 			ID:             r.ID,
 			ShopID:         r.ShopID,
 			OrderID:        r.OrderID,
@@ -357,7 +358,7 @@ func (s *Service) ListMyCommissionRecords(ctx context.Context, req *model.MyComm
 		})
 	}
 
-	return &model.MyCommissionRecordPageResult{
+	return &dto.MyCommissionRecordPageResult{
 		Items: items,
 		Total: total,
 		Page:  page,
diff --git a/internal/service/permission/service.go b/internal/service/permission/service.go
index a078d03..7b3efeb 100644
--- a/internal/service/permission/service.go
+++ b/internal/service/permission/service.go
@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -46,7 +47,7 @@ func New(
 }
 
 // Create 创建权限
-func (s *Service) Create(ctx context.Context, req *model.CreatePermissionRequest) (*model.Permission, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreatePermissionRequest) (*model.Permission, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -109,7 +110,7 @@ func (s *Service) Get(ctx context.Context, id uint) (*model.Permission, error) {
 }
 
 // Update 更新权限
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdatePermissionRequest) (*model.Permission, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdatePermissionRequest) (*model.Permission, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -190,7 +191,7 @@ func (s *Service) Delete(ctx context.Context, id uint) error {
 }
 
 // List 查询权限列表
-func (s *Service) List(ctx context.Context, req *model.PermissionListRequest) ([]*model.Permission, int64, error) {
+func (s *Service) List(ctx context.Context, req *dto.PermissionListRequest) ([]*model.Permission, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -230,7 +231,7 @@ func (s *Service) List(ctx context.Context, req *model.PermissionListRequest) ([
 }
 
 // GetTree 获取权限树
-func (s *Service) GetTree(ctx context.Context, availableForRoleType *int) ([]*model.PermissionTreeNode, error) {
+func (s *Service) GetTree(ctx context.Context, availableForRoleType *int) ([]*dto.PermissionTreeNode, error) {
 	permissions, err := s.permissionStore.GetAll(ctx, availableForRoleType)
 	if err != nil {
 		return nil, fmt.Errorf("获取权限列表失败: %w", err)
@@ -240,10 +241,10 @@ func (s *Service) GetTree(ctx context.Context, availableForRoleType *int) ([]*mo
 }
 
 // buildPermissionTree 构建权限树
-func buildPermissionTree(permissions []*model.Permission) []*model.PermissionTreeNode {
-	nodeMap := make(map[uint]*model.PermissionTreeNode)
+func buildPermissionTree(permissions []*model.Permission) []*dto.PermissionTreeNode {
+	nodeMap := make(map[uint]*dto.PermissionTreeNode)
 	for _, p := range permissions {
-		nodeMap[p.ID] = &model.PermissionTreeNode{
+		nodeMap[p.ID] = &dto.PermissionTreeNode{
 			ID:                    p.ID,
 			PermName:              p.PermName,
 			PermCode:              p.PermCode,
@@ -252,11 +253,11 @@ func buildPermissionTree(permissions []*model.Permission) []*model.PermissionTre
 			AvailableForRoleTypes: p.AvailableForRoleTypes,
 			URL:                   p.URL,
 			Sort:                  p.Sort,
-			Children:              make([]*model.PermissionTreeNode, 0),
+			Children:              make([]*dto.PermissionTreeNode, 0),
 		}
 	}
 
-	var roots []*model.PermissionTreeNode
+	var roots []*dto.PermissionTreeNode
 	for _, p := range permissions {
 		node := nodeMap[p.ID]
 		if p.ParentID == nil || *p.ParentID == 0 {
diff --git a/internal/service/role/service.go b/internal/service/role/service.go
index 4769887..94d7e59 100644
--- a/internal/service/role/service.go
+++ b/internal/service/role/service.go
@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -33,7 +34,7 @@ func New(roleStore *postgres.RoleStore, permissionStore *postgres.PermissionStor
 }
 
 // Create 创建角色
-func (s *Service) Create(ctx context.Context, req *model.CreateRoleRequest) (*model.Role, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateRoleRequest) (*model.Role, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -68,7 +69,7 @@ func (s *Service) Get(ctx context.Context, id uint) (*model.Role, error) {
 }
 
 // Update 更新角色
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateRoleRequest) (*model.Role, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateRoleRequest) (*model.Role, error) {
 	// 获取当前用户 ID
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
@@ -123,7 +124,7 @@ func (s *Service) Delete(ctx context.Context, id uint) error {
 }
 
 // List 查询角色列表
-func (s *Service) List(ctx context.Context, req *model.RoleListRequest) ([]*model.Role, int64, error) {
+func (s *Service) List(ctx context.Context, req *dto.RoleListRequest) ([]*model.Role, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
diff --git a/internal/service/shop/service.go b/internal/service/shop/service.go
index 7d3dbc9..ed78968 100644
--- a/internal/service/shop/service.go
+++ b/internal/service/shop/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -26,7 +27,7 @@ func New(shopStore *postgres.ShopStore, accountStore *postgres.AccountStore) *Se
 	}
 }
 
-func (s *Service) Create(ctx context.Context, req *model.CreateShopRequest) (*model.ShopResponse, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateShopRequest) (*dto.ShopResponse, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -99,7 +100,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateShopRequest) (*mo
 		return nil, fmt.Errorf("创建初始账号失败: %w", err)
 	}
 
-	return &model.ShopResponse{
+	return &dto.ShopResponse{
 		ID:           shop.ID,
 		ShopName:     shop.ShopName,
 		ShopCode:     shop.ShopCode,
@@ -117,7 +118,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateShopRequest) (*mo
 	}, nil
 }
 
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateShopRequest) (*model.ShopResponse, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateShopRequest) (*dto.ShopResponse, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -142,7 +143,7 @@ func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateShopRequ
 		return nil, err
 	}
 
-	return &model.ShopResponse{
+	return &dto.ShopResponse{
 		ID:           shop.ID,
 		ShopName:     shop.ShopName,
 		ShopCode:     shop.ShopCode,
@@ -211,7 +212,7 @@ func (s *Service) GetByID(ctx context.Context, id uint) (*model.Shop, error) {
 	return shop, nil
 }
 
-func (s *Service) ListShopResponses(ctx context.Context, req *model.ShopListRequest) ([]*model.ShopResponse, int64, error) {
+func (s *Service) ListShopResponses(ctx context.Context, req *dto.ShopListRequest) ([]*dto.ShopResponse, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -246,9 +247,9 @@ func (s *Service) ListShopResponses(ctx context.Context, req *model.ShopListRequ
 		return nil, 0, fmt.Errorf("查询店铺列表失败: %w", err)
 	}
 
-	responses := make([]*model.ShopResponse, 0, len(shops))
+	responses := make([]*dto.ShopResponse, 0, len(shops))
 	for _, shop := range shops {
-		responses = append(responses, &model.ShopResponse{
+		responses = append(responses, &dto.ShopResponse{
 			ID:           shop.ID,
 			ShopName:     shop.ShopName,
 			ShopCode:     shop.ShopCode,
diff --git a/internal/service/shop_account/service.go b/internal/service/shop_account/service.go
index 05e9102..69a7ce0 100644
--- a/internal/service/shop_account/service.go
+++ b/internal/service/shop_account/service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -26,7 +27,7 @@ func New(accountStore *postgres.AccountStore, shopStore *postgres.ShopStore) *Se
 	}
 }
 
-func (s *Service) List(ctx context.Context, req *model.ShopAccountListRequest) ([]*model.ShopAccountResponse, int64, error) {
+func (s *Service) List(ctx context.Context, req *dto.ShopAccountListRequest) ([]*dto.ShopAccountResponse, int64, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -78,9 +79,9 @@ func (s *Service) List(ctx context.Context, req *model.ShopAccountListRequest) (
 		}
 	}
 
-	responses := make([]*model.ShopAccountResponse, 0, len(accounts))
+	responses := make([]*dto.ShopAccountResponse, 0, len(accounts))
 	for _, account := range accounts {
-		resp := &model.ShopAccountResponse{
+		resp := &dto.ShopAccountResponse{
 			ID:        account.ID,
 			Username:  account.Username,
 			Phone:     account.Phone,
@@ -101,7 +102,7 @@ func (s *Service) List(ctx context.Context, req *model.ShopAccountListRequest) (
 	return responses, total, nil
 }
 
-func (s *Service) Create(ctx context.Context, req *model.CreateShopAccountRequest) (*model.ShopAccountResponse, error) {
+func (s *Service) Create(ctx context.Context, req *dto.CreateShopAccountRequest) (*dto.ShopAccountResponse, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -145,7 +146,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateShopAccountReques
 		return nil, fmt.Errorf("创建代理商账号失败: %w", err)
 	}
 
-	return &model.ShopAccountResponse{
+	return &dto.ShopAccountResponse{
 		ID:        account.ID,
 		ShopID:    *account.ShopID,
 		ShopName:  shop.ShopName,
@@ -158,7 +159,7 @@ func (s *Service) Create(ctx context.Context, req *model.CreateShopAccountReques
 	}, nil
 }
 
-func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateShopAccountRequest) (*model.ShopAccountResponse, error) {
+func (s *Service) Update(ctx context.Context, id uint, req *dto.UpdateShopAccountRequest) (*dto.ShopAccountResponse, error) {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return nil, errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -196,7 +197,7 @@ func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateShopAcco
 		}
 	}
 
-	return &model.ShopAccountResponse{
+	return &dto.ShopAccountResponse{
 		ID:        account.ID,
 		ShopID:    *account.ShopID,
 		ShopName:  shopName,
@@ -209,7 +210,7 @@ func (s *Service) Update(ctx context.Context, id uint, req *model.UpdateShopAcco
 	}, nil
 }
 
-func (s *Service) UpdatePassword(ctx context.Context, id uint, req *model.UpdateShopAccountPasswordRequest) error {
+func (s *Service) UpdatePassword(ctx context.Context, id uint, req *dto.UpdateShopAccountPasswordRequest) error {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return errors.New(errors.CodeUnauthorized, "未授权访问")
@@ -239,7 +240,7 @@ func (s *Service) UpdatePassword(ctx context.Context, id uint, req *model.Update
 	return nil
 }
 
-func (s *Service) UpdateStatus(ctx context.Context, id uint, req *model.UpdateShopAccountStatusRequest) error {
+func (s *Service) UpdateStatus(ctx context.Context, id uint, req *dto.UpdateShopAccountStatusRequest) error {
 	currentUserID := middleware.GetUserIDFromContext(ctx)
 	if currentUserID == 0 {
 		return errors.New(errors.CodeUnauthorized, "未授权访问")
diff --git a/internal/service/shop_commission/service.go b/internal/service/shop_commission/service.go
index 28e1371..be2a6d8 100644
--- a/internal/service/shop_commission/service.go
+++ b/internal/service/shop_commission/service.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/store"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -37,7 +38,7 @@ func New(
 	}
 }
 
-func (s *Service) ListShopCommissionSummary(ctx context.Context, req *model.ShopCommissionSummaryListReq) (*model.ShopCommissionSummaryPageResult, error) {
+func (s *Service) ListShopCommissionSummary(ctx context.Context, req *dto.ShopCommissionSummaryListReq) (*dto.ShopCommissionSummaryPageResult, error) {
 	opts := &store.QueryOptions{
 		Page:     req.Page,
 		PageSize: req.PageSize,
@@ -61,8 +62,8 @@ func (s *Service) ListShopCommissionSummary(ctx context.Context, req *model.Shop
 	}
 
 	if len(shops) == 0 {
-		return &model.ShopCommissionSummaryPageResult{
-			Items: []model.ShopCommissionSummaryItem{},
+		return &dto.ShopCommissionSummaryPageResult{
+			Items: []dto.ShopCommissionSummaryItem{},
 			Total: 0,
 			Page:  opts.Page,
 			Size:  opts.PageSize,
@@ -101,7 +102,7 @@ func (s *Service) ListShopCommissionSummary(ctx context.Context, req *model.Shop
 		}
 	}
 
-	items := make([]model.ShopCommissionSummaryItem, 0, len(shops))
+	items := make([]dto.ShopCommissionSummaryItem, 0, len(shops))
 	for _, shop := range shops {
 		if req.Username != "" {
 			acc := accountMap[shop.ID]
@@ -115,7 +116,7 @@ func (s *Service) ListShopCommissionSummary(ctx context.Context, req *model.Shop
 		items = append(items, item)
 	}
 
-	return &model.ShopCommissionSummaryPageResult{
+	return &dto.ShopCommissionSummaryPageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
@@ -123,7 +124,7 @@ func (s *Service) ListShopCommissionSummary(ctx context.Context, req *model.Shop
 	}, nil
 }
 
-func (s *Service) buildCommissionSummaryItem(shop *model.Shop, walletSummary *postgres.ShopCommissionSummary, withdrawnAmount, withdrawingAmount int64, account *model.Account) model.ShopCommissionSummaryItem {
+func (s *Service) buildCommissionSummaryItem(shop *model.Shop, walletSummary *postgres.ShopCommissionSummary, withdrawnAmount, withdrawingAmount int64, account *model.Account) dto.ShopCommissionSummaryItem {
 	var balance, frozenBalance int64
 	if walletSummary != nil {
 		balance = walletSummary.Balance
@@ -143,7 +144,7 @@ func (s *Service) buildCommissionSummaryItem(shop *model.Shop, walletSummary *po
 		phone = account.Phone
 	}
 
-	return model.ShopCommissionSummaryItem{
+	return dto.ShopCommissionSummaryItem{
 		ShopID:                shop.ID,
 		ShopName:              shop.ShopName,
 		ShopCode:              shop.ShopCode,
@@ -159,7 +160,7 @@ func (s *Service) buildCommissionSummaryItem(shop *model.Shop, walletSummary *po
 	}
 }
 
-func (s *Service) ListShopWithdrawalRequests(ctx context.Context, shopID uint, req *model.ShopWithdrawalRequestListReq) (*model.ShopWithdrawalRequestPageResult, error) {
+func (s *Service) ListShopWithdrawalRequests(ctx context.Context, shopID uint, req *dto.ShopWithdrawalRequestListReq) (*dto.ShopWithdrawalRequestPageResult, error) {
 	_, err := s.shopStore.GetByID(ctx, shopID)
 	if err != nil {
 		return nil, errors.New(errors.CodeShopNotFound, "店铺不存在")
@@ -230,13 +231,13 @@ func (s *Service) ListShopWithdrawalRequests(ctx context.Context, shopID uint, r
 		}
 	}
 
-	items := make([]model.ShopWithdrawalRequestItem, 0, len(requests))
+	items := make([]dto.ShopWithdrawalRequestItem, 0, len(requests))
 	for _, r := range requests {
 		item := s.buildWithdrawalRequestItem(r, shop.ShopName, shopHierarchy, applicantMap, processorMap)
 		items = append(items, item)
 	}
 
-	return &model.ShopWithdrawalRequestPageResult{
+	return &dto.ShopWithdrawalRequestPageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
@@ -244,7 +245,7 @@ func (s *Service) ListShopWithdrawalRequests(ctx context.Context, shopID uint, r
 	}, nil
 }
 
-func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalRequest, shopName, shopHierarchy string, applicantMap, processorMap map[uint]string) model.ShopWithdrawalRequestItem {
+func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalRequest, shopName, shopHierarchy string, applicantMap, processorMap map[uint]string) dto.ShopWithdrawalRequestItem {
 	var processorID *uint
 	if r.ProcessorID > 0 {
 		processorID = &r.ProcessorID
@@ -274,7 +275,7 @@ func (s *Service) buildWithdrawalRequestItem(r *model.CommissionWithdrawalReques
 		paidAt = r.PaidAt.Format("2006-01-02 15:04:05")
 	}
 
-	return model.ShopWithdrawalRequestItem{
+	return dto.ShopWithdrawalRequestItem{
 		ID:               r.ID,
 		WithdrawalNo:     r.WithdrawalNo,
 		Amount:           r.Amount,
@@ -325,7 +326,7 @@ func (s *Service) buildShopHierarchyPath(ctx context.Context, shop *model.Shop)
 	return path
 }
 
-func (s *Service) ListShopCommissionRecords(ctx context.Context, shopID uint, req *model.ShopCommissionRecordListReq) (*model.ShopCommissionRecordPageResult, error) {
+func (s *Service) ListShopCommissionRecords(ctx context.Context, shopID uint, req *dto.ShopCommissionRecordListReq) (*dto.ShopCommissionRecordPageResult, error) {
 	_, err := s.shopStore.GetByID(ctx, shopID)
 	if err != nil {
 		return nil, errors.New(errors.CodeShopNotFound, "店铺不存在")
@@ -356,9 +357,9 @@ func (s *Service) ListShopCommissionRecords(ctx context.Context, shopID uint, re
 		return nil, fmt.Errorf("查询佣金明细失败: %w", err)
 	}
 
-	items := make([]model.ShopCommissionRecordItem, 0, len(records))
+	items := make([]dto.ShopCommissionRecordItem, 0, len(records))
 	for _, r := range records {
-		item := model.ShopCommissionRecordItem{
+		item := dto.ShopCommissionRecordItem{
 			ID:             r.ID,
 			Amount:         r.Amount,
 			BalanceAfter:   r.BalanceAfter,
@@ -375,7 +376,7 @@ func (s *Service) ListShopCommissionRecords(ctx context.Context, shopID uint, re
 		items = append(items, item)
 	}
 
-	return &model.ShopCommissionRecordPageResult{
+	return &dto.ShopCommissionRecordPageResult{
 		Items: items,
 		Total: total,
 		Page:  opts.Page,
diff --git a/tests/integration/account_test.go b/tests/integration/account_test.go
index 6028128..8dddad9 100644
--- a/tests/integration/account_test.go
+++ b/tests/integration/account_test.go
@@ -24,6 +24,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	accountService "github.com/break/junhong_cmp_fiber/internal/service/account"
 	postgresStore "github.com/break/junhong_cmp_fiber/internal/store/postgres"
@@ -183,7 +184,7 @@ func TestAccountAPI_Create(t *testing.T) {
 	createTestAccount(t, env.db, rootAccount)
 
 	t.Run("成功创建平台账号", func(t *testing.T) {
-		reqBody := model.CreateAccountRequest{
+		reqBody := dto.CreateAccountRequest{
 			Username: "platform_user",
 			Phone:    "13800000001",
 			Password: "Password123",
@@ -221,7 +222,7 @@ func TestAccountAPI_Create(t *testing.T) {
 		createTestAccount(t, env.db, existingAccount)
 
 		// 尝试创建同名账号
-		reqBody := model.CreateAccountRequest{
+		reqBody := dto.CreateAccountRequest{
 			Username: "existing_user",
 			Phone:    "13800000003",
 			Password: "Password123",
@@ -242,7 +243,7 @@ func TestAccountAPI_Create(t *testing.T) {
 	})
 
 	t.Run("非root用户缺少parent_id时返回错误", func(t *testing.T) {
-		reqBody := model.CreateAccountRequest{
+		reqBody := dto.CreateAccountRequest{
 			Username: "no_parent_user",
 			Phone:    "13800000004",
 			Password: "Password123",
@@ -347,7 +348,7 @@ func TestAccountAPI_Update(t *testing.T) {
 
 	t.Run("成功更新账号", func(t *testing.T) {
 		newUsername := "updated_user"
-		reqBody := model.UpdateAccountRequest{
+		reqBody := dto.UpdateAccountRequest{
 			Username: &newUsername,
 		}
 
@@ -480,7 +481,7 @@ func TestAccountAPI_AssignRoles(t *testing.T) {
 	env.db.Create(testRole)
 
 	t.Run("成功分配角色", func(t *testing.T) {
-		reqBody := model.AssignRolesRequest{
+		reqBody := dto.AssignRolesRequest{
 			RoleIDs: []uint{testRole.ID},
 		}
 
diff --git a/tests/integration/permission_test.go b/tests/integration/permission_test.go
index 49c460c..6f3c5c1 100644
--- a/tests/integration/permission_test.go
+++ b/tests/integration/permission_test.go
@@ -24,6 +24,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	permissionService "github.com/break/junhong_cmp_fiber/internal/service/permission"
 	postgresStore "github.com/break/junhong_cmp_fiber/internal/store/postgres"
@@ -148,7 +149,7 @@ func TestPermissionAPI_Create(t *testing.T) {
 	})
 
 	t.Run("成功创建权限", func(t *testing.T) {
-		reqBody := model.CreatePermissionRequest{
+		reqBody := dto.CreatePermissionRequest{
 			PermName: "用户管理",
 			PermCode: "user:manage",
 			PermType: constants.PermissionTypeMenu,
@@ -185,7 +186,7 @@ func TestPermissionAPI_Create(t *testing.T) {
 		env.db.Create(existingPerm)
 
 		// 尝试创建相同编码的权限
-		reqBody := model.CreatePermissionRequest{
+		reqBody := dto.CreatePermissionRequest{
 			PermName: "新权限",
 			PermCode: "existing:perm",
 			PermType: constants.PermissionTypeMenu,
@@ -215,7 +216,7 @@ func TestPermissionAPI_Create(t *testing.T) {
 		env.db.Create(parentPerm)
 
 		// 创建子权限
-		reqBody := model.CreatePermissionRequest{
+		reqBody := dto.CreatePermissionRequest{
 			PermName: "用户列表",
 			PermCode: "system:user:list",
 			PermType: constants.PermissionTypeButton,
@@ -308,7 +309,7 @@ func TestPermissionAPI_Update(t *testing.T) {
 
 	t.Run("成功更新权限", func(t *testing.T) {
 		newName := "更新后权限"
-		reqBody := model.UpdatePermissionRequest{
+		reqBody := dto.UpdatePermissionRequest{
 			PermName: &newName,
 		}
 
diff --git a/tests/integration/platform_account_test.go b/tests/integration/platform_account_test.go
index 9399326..a619437 100644
--- a/tests/integration/platform_account_test.go
+++ b/tests/integration/platform_account_test.go
@@ -14,6 +14,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	accountService "github.com/break/junhong_cmp_fiber/internal/service/account"
 	postgresStore "github.com/break/junhong_cmp_fiber/internal/store/postgres"
@@ -147,7 +148,7 @@ func TestPlatformAccountAPI_UpdatePassword(t *testing.T) {
 	db.Create(testAccount)
 
 	t.Run("成功修改密码", func(t *testing.T) {
-		reqBody := model.UpdatePasswordRequest{
+		reqBody := dto.UpdatePasswordRequest{
 			NewPassword: "NewPassword@123",
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -169,7 +170,7 @@ func TestPlatformAccountAPI_UpdatePassword(t *testing.T) {
 	})
 
 	t.Run("账号不存在返回错误", func(t *testing.T) {
-		reqBody := model.UpdatePasswordRequest{
+		reqBody := dto.UpdatePasswordRequest{
 			NewPassword: "NewPassword@123",
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -221,7 +222,7 @@ func TestPlatformAccountAPI_UpdateStatus(t *testing.T) {
 	db.Create(testAccount)
 
 	t.Run("成功禁用账号", func(t *testing.T) {
-		reqBody := model.UpdateStatusRequest{
+		reqBody := dto.UpdateStatusRequest{
 			Status: constants.StatusDisabled,
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -238,7 +239,7 @@ func TestPlatformAccountAPI_UpdateStatus(t *testing.T) {
 	})
 
 	t.Run("成功启用账号", func(t *testing.T) {
-		reqBody := model.UpdateStatusRequest{
+		reqBody := dto.UpdateStatusRequest{
 			Status: constants.StatusEnabled,
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -306,7 +307,7 @@ func TestPlatformAccountAPI_AssignRoles(t *testing.T) {
 	db.Create(testRole)
 
 	t.Run("超级管理员禁止分配角色", func(t *testing.T) {
-		reqBody := model.AssignRolesRequest{
+		reqBody := dto.AssignRolesRequest{
 			RoleIDs: []uint{testRole.ID},
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -324,7 +325,7 @@ func TestPlatformAccountAPI_AssignRoles(t *testing.T) {
 	})
 
 	t.Run("平台用户成功分配角色", func(t *testing.T) {
-		reqBody := model.AssignRolesRequest{
+		reqBody := dto.AssignRolesRequest{
 			RoleIDs: []uint{testRole.ID},
 		}
 		jsonBody, _ := json.Marshal(reqBody)
@@ -341,7 +342,7 @@ func TestPlatformAccountAPI_AssignRoles(t *testing.T) {
 	})
 
 	t.Run("空数组清空所有角色", func(t *testing.T) {
-		reqBody := model.AssignRolesRequest{
+		reqBody := dto.AssignRolesRequest{
 			RoleIDs: []uint{},
 		}
 		jsonBody, _ := json.Marshal(reqBody)
diff --git a/tests/integration/role_test.go b/tests/integration/role_test.go
index 8857b0b..84adb06 100644
--- a/tests/integration/role_test.go
+++ b/tests/integration/role_test.go
@@ -24,6 +24,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	roleService "github.com/break/junhong_cmp_fiber/internal/service/role"
 	postgresStore "github.com/break/junhong_cmp_fiber/internal/store/postgres"
@@ -165,7 +166,7 @@ func TestRoleAPI_Create(t *testing.T) {
 	})
 
 	t.Run("成功创建角色", func(t *testing.T) {
-		reqBody := model.CreateRoleRequest{
+		reqBody := dto.CreateRoleRequest{
 			RoleName: "测试角色",
 			RoleDesc: "这是一个测试角色",
 			RoleType: constants.RoleTypePlatform,
@@ -277,7 +278,7 @@ func TestRoleAPI_Update(t *testing.T) {
 
 	t.Run("成功更新角色", func(t *testing.T) {
 		newName := "更新后角色"
-		reqBody := model.UpdateRoleRequest{
+		reqBody := dto.UpdateRoleRequest{
 			RoleName: &newName,
 		}
 
@@ -398,7 +399,7 @@ func TestRoleAPI_AssignPermissions(t *testing.T) {
 	env.db.Create(testPerm)
 
 	t.Run("成功分配权限", func(t *testing.T) {
-		reqBody := model.AssignPermissionsRequest{
+		reqBody := dto.AssignPermissionsRequest{
 			PermIDs: []uint{testPerm.ID},
 		}
 
@@ -540,7 +541,7 @@ func TestRoleAPI_UpdateStatus(t *testing.T) {
 	env.db.Create(testRole)
 
 	t.Run("成功禁用角色", func(t *testing.T) {
-		reqBody := model.UpdateRoleStatusRequest{
+		reqBody := dto.UpdateRoleStatusRequest{
 			Status: constants.StatusDisabled,
 		}
 
@@ -564,7 +565,7 @@ func TestRoleAPI_UpdateStatus(t *testing.T) {
 	})
 
 	t.Run("成功启用角色", func(t *testing.T) {
-		reqBody := model.UpdateRoleStatusRequest{
+		reqBody := dto.UpdateRoleStatusRequest{
 			Status: constants.StatusEnabled,
 		}
 
@@ -588,7 +589,7 @@ func TestRoleAPI_UpdateStatus(t *testing.T) {
 	})
 
 	t.Run("角色不存在返回错误", func(t *testing.T) {
-		reqBody := model.UpdateRoleStatusRequest{
+		reqBody := dto.UpdateRoleStatusRequest{
 			Status: constants.StatusEnabled,
 		}
 
diff --git a/tests/integration/shop_account_management_test.go b/tests/integration/shop_account_management_test.go
index f865953..83b8220 100644
--- a/tests/integration/shop_account_management_test.go
+++ b/tests/integration/shop_account_management_test.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	"github.com/break/junhong_cmp_fiber/pkg/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/config"
@@ -147,7 +148,7 @@ func TestShopAccount_CreateAccount(t *testing.T) {
 	env := setupShopAccountTestEnv(t)
 	defer env.teardown()
 
-	reqBody := model.CreateShopAccountRequest{
+	reqBody := dto.CreateShopAccountRequest{
 		ShopID:   env.testShop.ID,
 		Username: "agent001",
 		Phone:    "13800138001",
@@ -193,7 +194,7 @@ func TestShopAccount_CreateAccount_InvalidShop(t *testing.T) {
 	env := setupShopAccountTestEnv(t)
 	defer env.teardown()
 
-	reqBody := model.CreateShopAccountRequest{
+	reqBody := dto.CreateShopAccountRequest{
 		ShopID:   99999, // 不存在的商户ID
 		Username: "agent002",
 		Phone:    "13800138002",
@@ -262,7 +263,7 @@ func TestShopAccount_UpdateAccount(t *testing.T) {
 	account := testutil.CreateAgentUser(t, env.db, env.testShop.ID)
 
 	// 更新账号用户名
-	reqBody := model.UpdateShopAccountRequest{
+	reqBody := dto.UpdateShopAccountRequest{
 		Username: "updated_agent",
 	}
 
@@ -303,7 +304,7 @@ func TestShopAccount_UpdatePassword(t *testing.T) {
 
 	// 重置密码
 	newPassword := "newpassword456"
-	reqBody := model.UpdateShopAccountPasswordRequest{
+	reqBody := dto.UpdateShopAccountPasswordRequest{
 		NewPassword: newPassword,
 	}
 
@@ -349,7 +350,7 @@ func TestShopAccount_UpdateStatus(t *testing.T) {
 	require.Equal(t, 1, account.Status)
 
 	// 禁用账号
-	reqBody := model.UpdateShopAccountStatusRequest{
+	reqBody := dto.UpdateShopAccountStatusRequest{
 		Status: 2, // 禁用
 	}
 
diff --git a/tests/integration/shop_management_test.go b/tests/integration/shop_management_test.go
index f03a637..a7d6d64 100644
--- a/tests/integration/shop_management_test.go
+++ b/tests/integration/shop_management_test.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/routes"
 	"github.com/break/junhong_cmp_fiber/pkg/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/config"
@@ -141,7 +142,7 @@ func TestShopManagement_CreateShop(t *testing.T) {
 	env := setupShopManagementTestEnv(t)
 	defer env.teardown()
 
-	reqBody := model.CreateShopRequest{
+	reqBody := dto.CreateShopRequest{
 		ShopName:     "测试商户",
 		ShopCode:     "TEST001",
 		InitUsername: "testuser",
@@ -191,7 +192,7 @@ func TestShopManagement_CreateShop_DuplicateCode(t *testing.T) {
 	defer env.teardown()
 
 	// 通过 API 创建第一个商户
-	firstReq := model.CreateShopRequest{
+	firstReq := dto.CreateShopRequest{
 		ShopName:     "商户1",
 		ShopCode:     "DUP001",
 		InitUsername: "dupuser1",
@@ -210,7 +211,7 @@ func TestShopManagement_CreateShop_DuplicateCode(t *testing.T) {
 	require.Equal(t, 0, firstResult.Code, "第一个商户应该创建成功")
 
 	// 尝试创建编码重复的商户
-	reqBody := model.CreateShopRequest{
+	reqBody := dto.CreateShopRequest{
 		ShopName:     "商户2",
 		ShopCode:     "DUP001", // 使用相同编码
 		InitUsername: "dupuser2",
@@ -281,7 +282,7 @@ func TestShopManagement_UpdateShop(t *testing.T) {
 	shop := testutil.CreateTestShop(t, env.db, "原始商户", "ORIG001", 1, nil)
 
 	// 更新商户
-	reqBody := model.UpdateShopRequest{
+	reqBody := dto.UpdateShopRequest{
 		ShopName: "更新后的商户",
 		Status:   1,
 	}
diff --git a/tests/unit/commission_withdrawal_service_test.go b/tests/unit/commission_withdrawal_service_test.go
index 94e2435..8137bfc 100644
--- a/tests/unit/commission_withdrawal_service_test.go
+++ b/tests/unit/commission_withdrawal_service_test.go
@@ -7,7 +7,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/commission_withdrawal"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -36,7 +36,7 @@ func TestCommissionWithdrawalService_ListWithdrawalRequests(t *testing.T) {
 	t.Run("查询提现申请列表-空结果", func(t *testing.T) {
 		ctx := createWithdrawalTestContext(1)
 
-		req := &model.WithdrawalRequestListReq{
+		req := &dto.WithdrawalRequestListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -51,7 +51,7 @@ func TestCommissionWithdrawalService_ListWithdrawalRequests(t *testing.T) {
 		ctx := createWithdrawalTestContext(1)
 
 		status := 1
-		req := &model.WithdrawalRequestListReq{
+		req := &dto.WithdrawalRequestListReq{
 			Page:     1,
 			PageSize: 20,
 			Status:   &status,
@@ -65,7 +65,7 @@ func TestCommissionWithdrawalService_ListWithdrawalRequests(t *testing.T) {
 	t.Run("按时间范围筛选提现申请", func(t *testing.T) {
 		ctx := createWithdrawalTestContext(1)
 
-		req := &model.WithdrawalRequestListReq{
+		req := &dto.WithdrawalRequestListReq{
 			Page:      1,
 			PageSize:  20,
 			StartTime: "2025-01-01 00:00:00",
@@ -93,7 +93,7 @@ func TestCommissionWithdrawalService_Approve(t *testing.T) {
 	t.Run("审批不存在的提现申请应失败", func(t *testing.T) {
 		ctx := createWithdrawalTestContext(1)
 
-		req := &model.ApproveWithdrawalReq{
+		req := &dto.ApproveWithdrawalReq{
 			PaymentType: "manual",
 		}
 
@@ -117,7 +117,7 @@ func TestCommissionWithdrawalService_Reject(t *testing.T) {
 	t.Run("拒绝不存在的提现申请应失败", func(t *testing.T) {
 		ctx := createWithdrawalTestContext(1)
 
-		req := &model.RejectWithdrawalReq{
+		req := &dto.RejectWithdrawalReq{
 			Remark: "测试拒绝原因",
 		}
 
diff --git a/tests/unit/commission_withdrawal_setting_service_test.go b/tests/unit/commission_withdrawal_setting_service_test.go
index 6793c1a..6d9a646 100644
--- a/tests/unit/commission_withdrawal_setting_service_test.go
+++ b/tests/unit/commission_withdrawal_setting_service_test.go
@@ -7,7 +7,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/commission_withdrawal_setting"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -33,7 +33,7 @@ func TestCommissionWithdrawalSettingService_Create(t *testing.T) {
 	t.Run("新增提现配置", func(t *testing.T) {
 		ctx := createWithdrawalSettingTestContext(1)
 
-		req := &model.CreateWithdrawalSettingReq{
+		req := &dto.CreateWithdrawalSettingReq{
 			DailyWithdrawalLimit: 5,
 			MinWithdrawalAmount:  10000,
 			FeeRate:              100,
@@ -51,7 +51,7 @@ func TestCommissionWithdrawalSettingService_Create(t *testing.T) {
 	t.Run("未授权用户创建配置应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.CreateWithdrawalSettingReq{
+		req := &dto.CreateWithdrawalSettingReq{
 			DailyWithdrawalLimit: 5,
 			MinWithdrawalAmount:  10000,
 			FeeRate:              100,
@@ -74,7 +74,7 @@ func TestCommissionWithdrawalSettingService_ConfigSwitch(t *testing.T) {
 	t.Run("配置切换-旧配置自动失效", func(t *testing.T) {
 		ctx := createWithdrawalSettingTestContext(1)
 
-		req1 := &model.CreateWithdrawalSettingReq{
+		req1 := &dto.CreateWithdrawalSettingReq{
 			DailyWithdrawalLimit: 3,
 			MinWithdrawalAmount:  5000,
 			FeeRate:              50,
@@ -83,7 +83,7 @@ func TestCommissionWithdrawalSettingService_ConfigSwitch(t *testing.T) {
 		require.NoError(t, err)
 		assert.True(t, result1.IsActive)
 
-		req2 := &model.CreateWithdrawalSettingReq{
+		req2 := &dto.CreateWithdrawalSettingReq{
 			DailyWithdrawalLimit: 10,
 			MinWithdrawalAmount:  20000,
 			FeeRate:              200,
@@ -114,7 +114,7 @@ func TestCommissionWithdrawalSettingService_List(t *testing.T) {
 	t.Run("查询配置列表-空结果", func(t *testing.T) {
 		ctx := createWithdrawalSettingTestContext(1)
 
-		req := &model.WithdrawalSettingListReq{
+		req := &dto.WithdrawalSettingListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -129,7 +129,7 @@ func TestCommissionWithdrawalSettingService_List(t *testing.T) {
 		ctx := createWithdrawalSettingTestContext(1)
 
 		for i := 0; i < 3; i++ {
-			req := &model.CreateWithdrawalSettingReq{
+			req := &dto.CreateWithdrawalSettingReq{
 				DailyWithdrawalLimit: i + 1,
 				MinWithdrawalAmount:  int64((i + 1) * 1000),
 				FeeRate:              int64((i + 1) * 10),
@@ -138,7 +138,7 @@ func TestCommissionWithdrawalSettingService_List(t *testing.T) {
 			require.NoError(t, err)
 		}
 
-		listReq := &model.WithdrawalSettingListReq{
+		listReq := &dto.WithdrawalSettingListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -170,7 +170,7 @@ func TestCommissionWithdrawalSettingService_GetCurrent(t *testing.T) {
 	t.Run("获取当前配置-有配置时正常返回", func(t *testing.T) {
 		ctx := createWithdrawalSettingTestContext(1)
 
-		req := &model.CreateWithdrawalSettingReq{
+		req := &dto.CreateWithdrawalSettingReq{
 			DailyWithdrawalLimit: 5,
 			MinWithdrawalAmount:  10000,
 			FeeRate:              100,
diff --git a/tests/unit/customer_account_service_test.go b/tests/unit/customer_account_service_test.go
index 9af9838..47147fb 100644
--- a/tests/unit/customer_account_service_test.go
+++ b/tests/unit/customer_account_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/customer_account"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -34,7 +35,7 @@ func TestCustomerAccountService_List(t *testing.T) {
 	t.Run("查询账号列表-空结果", func(t *testing.T) {
 		ctx := createCustomerAccountTestContext(1)
 
-		req := &model.CustomerAccountListReq{
+		req := &dto.CustomerAccountListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -61,7 +62,7 @@ func TestCustomerAccountService_List(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "测试账号用户",
 			Phone:    "13900000001",
 			Password: "Test123456",
@@ -70,7 +71,7 @@ func TestCustomerAccountService_List(t *testing.T) {
 		_, err = service.Create(ctx, createReq)
 		require.NoError(t, err)
 
-		req := &model.CustomerAccountListReq{
+		req := &dto.CustomerAccountListReq{
 			Page:     1,
 			PageSize: 20,
 			Username: "测试账号",
@@ -98,7 +99,7 @@ func TestCustomerAccountService_List(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "店铺筛选账号",
 			Phone:    "13900000002",
 			Password: "Test123456",
@@ -107,7 +108,7 @@ func TestCustomerAccountService_List(t *testing.T) {
 		_, err = service.Create(ctx, createReq)
 		require.NoError(t, err)
 
-		req := &model.CustomerAccountListReq{
+		req := &dto.CustomerAccountListReq{
 			Page:     1,
 			PageSize: 20,
 			ShopID:   &shop.ID,
@@ -146,7 +147,7 @@ func TestCustomerAccountService_Create(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		req := &model.CreateCustomerAccountReq{
+		req := &dto.CreateCustomerAccountReq{
 			Username: "新代理账号",
 			Phone:    "13900000010",
 			Password: "Test123456",
@@ -178,7 +179,7 @@ func TestCustomerAccountService_Create(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		req1 := &model.CreateCustomerAccountReq{
+		req1 := &dto.CreateCustomerAccountReq{
 			Username: "账号一",
 			Phone:    "13900000011",
 			Password: "Test123456",
@@ -187,7 +188,7 @@ func TestCustomerAccountService_Create(t *testing.T) {
 		_, err = service.Create(ctx, req1)
 		require.NoError(t, err)
 
-		req2 := &model.CreateCustomerAccountReq{
+		req2 := &dto.CreateCustomerAccountReq{
 			Username: "账号二",
 			Phone:    "13900000011",
 			Password: "Test123456",
@@ -200,7 +201,7 @@ func TestCustomerAccountService_Create(t *testing.T) {
 	t.Run("新增账号-店铺不存在应失败", func(t *testing.T) {
 		ctx := createCustomerAccountTestContext(1)
 
-		req := &model.CreateCustomerAccountReq{
+		req := &dto.CreateCustomerAccountReq{
 			Username: "无效店铺账号",
 			Phone:    "13900000012",
 			Password: "Test123456",
@@ -214,7 +215,7 @@ func TestCustomerAccountService_Create(t *testing.T) {
 	t.Run("新增账号-未授权用户应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.CreateCustomerAccountReq{
+		req := &dto.CreateCustomerAccountReq{
 			Username: "未授权账号",
 			Phone:    "13900000013",
 			Password: "Test123456",
@@ -252,7 +253,7 @@ func TestCustomerAccountService_Update(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "待编辑账号",
 			Phone:    "13900000020",
 			Password: "Test123456",
@@ -262,7 +263,7 @@ func TestCustomerAccountService_Update(t *testing.T) {
 		require.NoError(t, err)
 
 		newName := "编辑后账号"
-		updateReq := &model.UpdateCustomerAccountReq{
+		updateReq := &dto.UpdateCustomerAccountRequest{
 			Username: &newName,
 		}
 
@@ -275,7 +276,7 @@ func TestCustomerAccountService_Update(t *testing.T) {
 		ctx := createCustomerAccountTestContext(1)
 
 		newName := "不存在账号"
-		updateReq := &model.UpdateCustomerAccountReq{
+		updateReq := &dto.UpdateCustomerAccountRequest{
 			Username: &newName,
 		}
 
@@ -310,7 +311,7 @@ func TestCustomerAccountService_UpdatePassword(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "密码测试账号",
 			Phone:    "13900000030",
 			Password: "OldPass123",
@@ -363,7 +364,7 @@ func TestCustomerAccountService_UpdateStatus(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "状态测试账号",
 			Phone:    "13900000040",
 			Password: "Test123456",
@@ -397,7 +398,7 @@ func TestCustomerAccountService_UpdateStatus(t *testing.T) {
 		err := db.Create(shop).Error
 		require.NoError(t, err)
 
-		createReq := &model.CreateCustomerAccountReq{
+		createReq := &dto.CreateCustomerAccountReq{
 			Username: "启用测试账号",
 			Phone:    "13900000041",
 			Password: "Test123456",
diff --git a/tests/unit/enterprise_card_service_test.go b/tests/unit/enterprise_card_service_test.go
index 0688b8c..7ec8a7f 100644
--- a/tests/unit/enterprise_card_service_test.go
+++ b/tests/unit/enterprise_card_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/enterprise_card"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -34,7 +35,7 @@ func TestEnterpriseCardService_AllocateCardsPreview(t *testing.T) {
 	t.Run("授权预检-企业不存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseCardTestContext(1, 1)
 
-		req := &model.AllocateCardsPreviewReq{
+		req := &dto.AllocateCardsPreviewReq{
 			ICCIDs: []string{"898600000001"},
 		}
 
@@ -45,7 +46,7 @@ func TestEnterpriseCardService_AllocateCardsPreview(t *testing.T) {
 	t.Run("授权预检-未授权用户应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.AllocateCardsPreviewReq{
+		req := &dto.AllocateCardsPreviewReq{
 			ICCIDs: []string{"898600000001"},
 		}
 
@@ -66,7 +67,7 @@ func TestEnterpriseCardService_AllocateCardsPreview(t *testing.T) {
 		err := db.Create(ent).Error
 		require.NoError(t, err)
 
-		req := &model.AllocateCardsPreviewReq{
+		req := &dto.AllocateCardsPreviewReq{
 			ICCIDs: []string{},
 		}
 
@@ -89,7 +90,7 @@ func TestEnterpriseCardService_AllocateCardsPreview(t *testing.T) {
 		err := db.Create(ent).Error
 		require.NoError(t, err)
 
-		req := &model.AllocateCardsPreviewReq{
+		req := &dto.AllocateCardsPreviewReq{
 			ICCIDs: []string{"NON_EXIST_ICCID"},
 		}
 
@@ -124,7 +125,7 @@ func TestEnterpriseCardService_AllocateCardsPreview(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		req := &model.AllocateCardsPreviewReq{
+		req := &dto.AllocateCardsPreviewReq{
 			ICCIDs: []string{"898600001234567890"},
 		}
 
@@ -148,7 +149,7 @@ func TestEnterpriseCardService_AllocateCards(t *testing.T) {
 	t.Run("授权卡-企业不存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseCardTestContext(1, 1)
 
-		req := &model.AllocateCardsReq{
+		req := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600000001"},
 		}
 
@@ -179,7 +180,7 @@ func TestEnterpriseCardService_AllocateCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		req := &model.AllocateCardsReq{
+		req := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600002345678901"},
 		}
 
@@ -212,7 +213,7 @@ func TestEnterpriseCardService_AllocateCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		req := &model.AllocateCardsReq{
+		req := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600003456789012"},
 		}
 
@@ -242,7 +243,7 @@ func TestEnterpriseCardService_RecallCards(t *testing.T) {
 	t.Run("回收授权-企业不存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseCardTestContext(1, 1)
 
-		req := &model.RecallCardsReq{
+		req := &dto.RecallCardsReq{
 			ICCIDs: []string{"898600000001"},
 		}
 
@@ -273,7 +274,7 @@ func TestEnterpriseCardService_RecallCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		req := &model.RecallCardsReq{
+		req := &dto.RecallCardsReq{
 			ICCIDs: []string{"898600004567890123"},
 		}
 
@@ -306,13 +307,13 @@ func TestEnterpriseCardService_RecallCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		allocReq := &model.AllocateCardsReq{
+		allocReq := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600005678901234"},
 		}
 		_, err = service.AllocateCards(ctx, ent.ID, allocReq)
 		require.NoError(t, err)
 
-		recallReq := &model.RecallCardsReq{
+		recallReq := &dto.RecallCardsReq{
 			ICCIDs: []string{"898600005678901234"},
 		}
 		result, err := service.RecallCards(ctx, ent.ID, recallReq)
@@ -334,7 +335,7 @@ func TestEnterpriseCardService_ListCards(t *testing.T) {
 	t.Run("查询企业卡列表-企业不存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseCardTestContext(1, 1)
 
-		req := &model.EnterpriseCardListReq{
+		req := &dto.EnterpriseCardListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -356,7 +357,7 @@ func TestEnterpriseCardService_ListCards(t *testing.T) {
 		err := db.Create(ent).Error
 		require.NoError(t, err)
 
-		req := &model.EnterpriseCardListReq{
+		req := &dto.EnterpriseCardListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -390,13 +391,13 @@ func TestEnterpriseCardService_ListCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		allocReq := &model.AllocateCardsReq{
+		allocReq := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600006789012345"},
 		}
 		_, err = service.AllocateCards(ctx, ent.ID, allocReq)
 		require.NoError(t, err)
 
-		req := &model.EnterpriseCardListReq{
+		req := &dto.EnterpriseCardListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -432,13 +433,13 @@ func TestEnterpriseCardService_ListCards(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		allocReq := &model.AllocateCardsReq{
+		allocReq := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600007890123456"},
 		}
 		_, err = service.AllocateCards(ctx, ent.ID, allocReq)
 		require.NoError(t, err)
 
-		req := &model.EnterpriseCardListReq{
+		req := &dto.EnterpriseCardListReq{
 			Page:     1,
 			PageSize: 20,
 			ICCID:    "78901",
@@ -511,7 +512,7 @@ func TestEnterpriseCardService_SuspendAndResumeCard(t *testing.T) {
 		err = db.Create(card).Error
 		require.NoError(t, err)
 
-		allocReq := &model.AllocateCardsReq{
+		allocReq := &dto.AllocateCardsReq{
 			ICCIDs: []string{"898600009012345678"},
 		}
 		_, err = service.AllocateCards(ctx, ent.ID, allocReq)
diff --git a/tests/unit/enterprise_service_test.go b/tests/unit/enterprise_service_test.go
index afb3fe9..90f31b5 100644
--- a/tests/unit/enterprise_service_test.go
+++ b/tests/unit/enterprise_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/enterprise"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -34,7 +35,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 	t.Run("创建企业-含账号创建", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		req := &model.CreateEnterpriseReq{
+		req := &dto.CreateEnterpriseReq{
 			EnterpriseName: "测试企业",
 			EnterpriseCode: "ENT_TEST_001",
 			ContactName:    "测试联系人",
@@ -55,7 +56,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 	t.Run("创建企业-企业编号已存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		req1 := &model.CreateEnterpriseReq{
+		req1 := &dto.CreateEnterpriseReq{
 			EnterpriseName: "企业一",
 			EnterpriseCode: "ENT_DUP_001",
 			ContactName:    "联系人一",
@@ -66,7 +67,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 		_, err := service.Create(ctx, req1)
 		require.NoError(t, err)
 
-		req2 := &model.CreateEnterpriseReq{
+		req2 := &dto.CreateEnterpriseReq{
 			EnterpriseName: "企业二",
 			EnterpriseCode: "ENT_DUP_001",
 			ContactName:    "联系人二",
@@ -81,7 +82,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 	t.Run("创建企业-手机号已存在应失败", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		req1 := &model.CreateEnterpriseReq{
+		req1 := &dto.CreateEnterpriseReq{
 			EnterpriseName: "企业三",
 			EnterpriseCode: "ENT_PHONE_001",
 			ContactName:    "联系人三",
@@ -92,7 +93,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 		_, err := service.Create(ctx, req1)
 		require.NoError(t, err)
 
-		req2 := &model.CreateEnterpriseReq{
+		req2 := &dto.CreateEnterpriseReq{
 			EnterpriseName: "企业四",
 			EnterpriseCode: "ENT_PHONE_002",
 			ContactName:    "联系人四",
@@ -107,7 +108,7 @@ func TestEnterpriseService_Create(t *testing.T) {
 	t.Run("创建企业-未授权用户应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.CreateEnterpriseReq{
+		req := &dto.CreateEnterpriseReq{
 			EnterpriseName: "未授权企业",
 			EnterpriseCode: "ENT_UNAUTH_001",
 			ContactName:    "联系人",
@@ -134,7 +135,7 @@ func TestEnterpriseService_Update(t *testing.T) {
 	t.Run("编辑企业", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		createReq := &model.CreateEnterpriseReq{
+		createReq := &dto.CreateEnterpriseReq{
 			EnterpriseName: "待编辑企业",
 			EnterpriseCode: "ENT_EDIT_001",
 			ContactName:    "原联系人",
@@ -147,7 +148,7 @@ func TestEnterpriseService_Update(t *testing.T) {
 
 		newName := "编辑后企业"
 		newContact := "新联系人"
-		updateReq := &model.UpdateEnterpriseRequest{
+		updateReq := &dto.UpdateEnterpriseRequest{
 			EnterpriseName: &newName,
 			ContactName:    &newContact,
 		}
@@ -162,7 +163,7 @@ func TestEnterpriseService_Update(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
 		newName := "不存在企业"
-		updateReq := &model.UpdateEnterpriseRequest{
+		updateReq := &dto.UpdateEnterpriseRequest{
 			EnterpriseName: &newName,
 		}
 
@@ -184,7 +185,7 @@ func TestEnterpriseService_UpdateStatus(t *testing.T) {
 	t.Run("禁用企业-账号同步禁用", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		createReq := &model.CreateEnterpriseReq{
+		createReq := &dto.CreateEnterpriseReq{
 			EnterpriseName: "待禁用企业",
 			EnterpriseCode: "ENT_STATUS_001",
 			ContactName:    "联系人",
@@ -211,7 +212,7 @@ func TestEnterpriseService_UpdateStatus(t *testing.T) {
 	t.Run("启用企业-账号同步启用", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		createReq := &model.CreateEnterpriseReq{
+		createReq := &dto.CreateEnterpriseReq{
 			EnterpriseName: "待启用企业",
 			EnterpriseCode: "ENT_STATUS_002",
 			ContactName:    "联系人",
@@ -259,7 +260,7 @@ func TestEnterpriseService_UpdatePassword(t *testing.T) {
 	t.Run("修改企业账号密码", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		createReq := &model.CreateEnterpriseReq{
+		createReq := &dto.CreateEnterpriseReq{
 			EnterpriseName: "密码测试企业",
 			EnterpriseCode: "ENT_PWD_001",
 			ContactName:    "联系人",
@@ -301,7 +302,7 @@ func TestEnterpriseService_List(t *testing.T) {
 	t.Run("查询企业列表-空结果", func(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
-		req := &model.EnterpriseListReq{
+		req := &dto.EnterpriseListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -316,7 +317,7 @@ func TestEnterpriseService_List(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
 		for i := 0; i < 3; i++ {
-			createReq := &model.CreateEnterpriseReq{
+			createReq := &dto.CreateEnterpriseReq{
 				EnterpriseName: "列表测试企业",
 				EnterpriseCode: "ENT_LIST_" + string(rune('A'+i)),
 				ContactName:    "联系人",
@@ -328,7 +329,7 @@ func TestEnterpriseService_List(t *testing.T) {
 			require.NoError(t, err)
 		}
 
-		req := &model.EnterpriseListReq{
+		req := &dto.EnterpriseListReq{
 			Page:           1,
 			PageSize:       20,
 			EnterpriseName: "列表测试",
@@ -344,7 +345,7 @@ func TestEnterpriseService_List(t *testing.T) {
 		ctx := createEnterpriseTestContext(1)
 
 		status := constants.StatusEnabled
-		req := &model.EnterpriseListReq{
+		req := &dto.EnterpriseListReq{
 			Page:     1,
 			PageSize: 20,
 			Status:   &status,
diff --git a/tests/unit/my_commission_service_test.go b/tests/unit/my_commission_service_test.go
index c9f3fef..7b10590 100644
--- a/tests/unit/my_commission_service_test.go
+++ b/tests/unit/my_commission_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/my_commission"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -110,7 +111,7 @@ func TestMyCommissionService_CreateWithdrawalRequest(t *testing.T) {
 
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
-		req := &model.CreateMyWithdrawalReq{
+		req := &dto.CreateMyWithdrawalReq{
 			Amount:           10000,
 			WithdrawalMethod: "alipay",
 			AccountName:      "测试用户",
@@ -148,7 +149,7 @@ func TestMyCommissionService_CreateWithdrawalRequest(t *testing.T) {
 
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
-		req := &model.CreateMyWithdrawalReq{
+		req := &dto.CreateMyWithdrawalReq{
 			Amount:           5000,
 			WithdrawalMethod: "alipay",
 			AccountName:      "测试用户",
@@ -184,7 +185,7 @@ func TestMyCommissionService_CreateWithdrawalRequest(t *testing.T) {
 
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
-		req := &model.CreateMyWithdrawalReq{
+		req := &dto.CreateMyWithdrawalReq{
 			Amount:           50000,
 			WithdrawalMethod: "alipay",
 			AccountName:      "测试用户",
@@ -198,7 +199,7 @@ func TestMyCommissionService_CreateWithdrawalRequest(t *testing.T) {
 	t.Run("发起提现-非代理商用户应失败", func(t *testing.T) {
 		ctx := createMyCommissionTestContext(1, 1, constants.UserTypePlatform)
 
-		req := &model.CreateMyWithdrawalReq{
+		req := &dto.CreateMyWithdrawalReq{
 			Amount:           10000,
 			WithdrawalMethod: "alipay",
 			AccountName:      "测试用户",
@@ -243,7 +244,7 @@ func TestMyCommissionService_ListMyWithdrawalRequests(t *testing.T) {
 
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
-		req := &model.MyWithdrawalListReq{
+		req := &dto.MyWithdrawalListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -271,7 +272,7 @@ func TestMyCommissionService_ListMyWithdrawalRequests(t *testing.T) {
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
 		status := 1
-		req := &model.MyWithdrawalListReq{
+		req := &dto.MyWithdrawalListReq{
 			Page:     1,
 			PageSize: 20,
 			Status:   &status,
@@ -285,7 +286,7 @@ func TestMyCommissionService_ListMyWithdrawalRequests(t *testing.T) {
 	t.Run("查询提现记录-非代理商用户应失败", func(t *testing.T) {
 		ctx := createMyCommissionTestContext(1, 1, constants.UserTypePlatform)
 
-		req := &model.MyWithdrawalListReq{
+		req := &dto.MyWithdrawalListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -328,7 +329,7 @@ func TestMyCommissionService_ListMyCommissionRecords(t *testing.T) {
 
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
-		req := &model.MyCommissionRecordListReq{
+		req := &dto.MyCommissionRecordListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -356,7 +357,7 @@ func TestMyCommissionService_ListMyCommissionRecords(t *testing.T) {
 		ctx := createMyCommissionTestContext(1, shop.ID, constants.UserTypeAgent)
 
 		commissionType := "one_time"
-		req := &model.MyCommissionRecordListReq{
+		req := &dto.MyCommissionRecordListReq{
 			Page:           1,
 			PageSize:       20,
 			CommissionType: &commissionType,
@@ -370,7 +371,7 @@ func TestMyCommissionService_ListMyCommissionRecords(t *testing.T) {
 	t.Run("查询佣金明细-非代理商用户应失败", func(t *testing.T) {
 		ctx := createMyCommissionTestContext(1, 1, constants.UserTypePlatform)
 
-		req := &model.MyCommissionRecordListReq{
+		req := &dto.MyCommissionRecordListReq{
 			Page:     1,
 			PageSize: 20,
 		}
diff --git a/tests/unit/permission_platform_filter_test.go b/tests/unit/permission_platform_filter_test.go
index 4b5d7ec..59ba6ea 100644
--- a/tests/unit/permission_platform_filter_test.go
+++ b/tests/unit/permission_platform_filter_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/permission"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -42,7 +43,7 @@ func TestPermissionPlatformFilter_List(t *testing.T) {
 
 	// 测试查询全部权限（不过滤）
 	t.Run("查询全部权限", func(t *testing.T) {
-		req := &model.PermissionListRequest{
+		req := &dto.PermissionListRequest{
 			Page:     1,
 			PageSize: 10,
 		}
@@ -54,7 +55,7 @@ func TestPermissionPlatformFilter_List(t *testing.T) {
 
 	// 测试只查询 all 权限
 	t.Run("只查询all端口权限", func(t *testing.T) {
-		req := &model.PermissionListRequest{
+		req := &dto.PermissionListRequest{
 			Page:     1,
 			PageSize: 10,
 			Platform: constants.PlatformAll,
@@ -68,7 +69,7 @@ func TestPermissionPlatformFilter_List(t *testing.T) {
 
 	// 测试只查询 web 权限
 	t.Run("只查询web端口权限", func(t *testing.T) {
-		req := &model.PermissionListRequest{
+		req := &dto.PermissionListRequest{
 			Page:     1,
 			PageSize: 10,
 			Platform: constants.PlatformWeb,
@@ -85,7 +86,7 @@ func TestPermissionPlatformFilter_List(t *testing.T) {
 
 	// 测试只查询 h5 权限
 	t.Run("只查询h5端口权限", func(t *testing.T) {
-		req := &model.PermissionListRequest{
+		req := &dto.PermissionListRequest{
 			Page:     1,
 			PageSize: 10,
 			Platform: constants.PlatformH5,
@@ -115,7 +116,7 @@ func TestPermissionPlatformFilter_CreateWithDefaultPlatform(t *testing.T) {
 	ctx = middleware.SetUserContext(ctx, middleware.NewSimpleUserContext(1, constants.UserTypeSuperAdmin, 0))
 
 	// 创建权限时不指定 platform
-	req := &model.CreatePermissionRequest{
+	req := &dto.CreatePermissionRequest{
 		PermName: "测试权限",
 		PermCode: "test:permission",
 		PermType: constants.PermissionTypeMenu,
@@ -152,7 +153,7 @@ func TestPermissionPlatformFilter_CreateWithSpecificPlatform(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			req := &model.CreatePermissionRequest{
+			req := &dto.CreatePermissionRequest{
 				PermName: "测试权限_" + tt.platform,
 				PermCode: "test:" + tt.platform,
 				PermType: constants.PermissionTypeMenu,
diff --git a/tests/unit/shop_account_service_test.go b/tests/unit/shop_account_service_test.go
index 793e206..980cfd3 100644
--- a/tests/unit/shop_account_service_test.go
+++ b/tests/unit/shop_account_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/shop_account"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -40,7 +41,7 @@ func TestShopAccountService_Create(t *testing.T) {
 		err := shopStore.Create(ctx, shop)
 		require.NoError(t, err)
 
-		req := &model.CreateShopAccountRequest{
+		req := &dto.CreateShopAccountRequest{
 			ShopID:   shop.ID,
 			Username: testutils.GenerateUsername("account", 1),
 			Phone:    testutils.GeneratePhone("139", 1),
@@ -58,7 +59,7 @@ func TestShopAccountService_Create(t *testing.T) {
 	t.Run("创建商户账号-商户不存在应失败", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
-		req := &model.CreateShopAccountRequest{
+		req := &dto.CreateShopAccountRequest{
 			ShopID:   99999,
 			Username: testutils.GenerateUsername("account", 2),
 			Phone:    testutils.GeneratePhone("139", 2),
@@ -91,7 +92,7 @@ func TestShopAccountService_Create(t *testing.T) {
 		require.NoError(t, err)
 
 		username := testutils.GenerateUsername("duplicate", 1)
-		req1 := &model.CreateShopAccountRequest{
+		req1 := &dto.CreateShopAccountRequest{
 			ShopID:   shop.ID,
 			Username: username,
 			Phone:    testutils.GeneratePhone("138", 1),
@@ -100,7 +101,7 @@ func TestShopAccountService_Create(t *testing.T) {
 		_, err = service.Create(ctx, req1)
 		require.NoError(t, err)
 
-		req2 := &model.CreateShopAccountRequest{
+		req2 := &dto.CreateShopAccountRequest{
 			ShopID:   shop.ID,
 			Username: username,
 			Phone:    testutils.GeneratePhone("138", 2),
@@ -114,7 +115,7 @@ func TestShopAccountService_Create(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.CreateShopAccountRequest{
+		req := &dto.CreateShopAccountRequest{
 			ShopID:   1,
 			Username: "test",
 			Phone:    "13800000000",
@@ -167,7 +168,7 @@ func TestShopAccountService_Update(t *testing.T) {
 		err = accountStore.Create(ctx, account)
 		require.NoError(t, err)
 
-		req := &model.UpdateShopAccountRequest{
+		req := &dto.UpdateShopAccountRequest{
 			Username: testutils.GenerateUsername("newuser", 1),
 		}
 
@@ -179,7 +180,7 @@ func TestShopAccountService_Update(t *testing.T) {
 	t.Run("更新不存在的账号应失败", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
-		req := &model.UpdateShopAccountRequest{
+		req := &dto.UpdateShopAccountRequest{
 			Username: "newuser",
 		}
 
@@ -191,7 +192,7 @@ func TestShopAccountService_Update(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.UpdateShopAccountRequest{
+		req := &dto.UpdateShopAccountRequest{
 			Username: "newuser",
 		}
 
@@ -241,7 +242,7 @@ func TestShopAccountService_UpdatePassword(t *testing.T) {
 		err = accountStore.Create(ctx, account)
 		require.NoError(t, err)
 
-		req := &model.UpdateShopAccountPasswordRequest{
+		req := &dto.UpdateShopAccountPasswordRequest{
 			NewPassword: "newpassword123",
 		}
 		err = service.UpdatePassword(ctx, account.ID, req)
@@ -255,7 +256,7 @@ func TestShopAccountService_UpdatePassword(t *testing.T) {
 	t.Run("更新不存在的账号密码应失败", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
-		req := &model.UpdateShopAccountPasswordRequest{
+		req := &dto.UpdateShopAccountPasswordRequest{
 			NewPassword: "newpassword",
 		}
 		err := service.UpdatePassword(ctx, 99999, req)
@@ -265,7 +266,7 @@ func TestShopAccountService_UpdatePassword(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.UpdateShopAccountPasswordRequest{
+		req := &dto.UpdateShopAccountPasswordRequest{
 			NewPassword: "newpassword",
 		}
 		err := service.UpdatePassword(ctx, 1, req)
@@ -313,7 +314,7 @@ func TestShopAccountService_UpdateStatus(t *testing.T) {
 		err = accountStore.Create(ctx, account)
 		require.NoError(t, err)
 
-		req := &model.UpdateShopAccountStatusRequest{
+		req := &dto.UpdateShopAccountStatusRequest{
 			Status: constants.StatusDisabled,
 		}
 		err = service.UpdateStatus(ctx, account.ID, req)
@@ -327,7 +328,7 @@ func TestShopAccountService_UpdateStatus(t *testing.T) {
 	t.Run("更新不存在的账号状态应失败", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
-		req := &model.UpdateShopAccountStatusRequest{
+		req := &dto.UpdateShopAccountStatusRequest{
 			Status: constants.StatusDisabled,
 		}
 		err := service.UpdateStatus(ctx, 99999, req)
@@ -337,7 +338,7 @@ func TestShopAccountService_UpdateStatus(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.UpdateShopAccountStatusRequest{
+		req := &dto.UpdateShopAccountStatusRequest{
 			Status: constants.StatusDisabled,
 		}
 		err := service.UpdateStatus(ctx, 1, req)
@@ -387,7 +388,7 @@ func TestShopAccountService_List(t *testing.T) {
 			require.NoError(t, err)
 		}
 
-		req := &model.ShopAccountListRequest{
+		req := &dto.ShopAccountListRequest{
 			ShopID:   &shop.ID,
 			Page:     1,
 			PageSize: 20,
diff --git a/tests/unit/shop_commission_service_test.go b/tests/unit/shop_commission_service_test.go
index bb363b6..f6e861f 100644
--- a/tests/unit/shop_commission_service_test.go
+++ b/tests/unit/shop_commission_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/shop_commission"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -51,7 +52,7 @@ func TestShopCommissionService_ListShopCommissionSummary(t *testing.T) {
 		err := shopStore.Create(ctx, shop)
 		require.NoError(t, err)
 
-		req := &model.ShopCommissionSummaryListReq{
+		req := &dto.ShopCommissionSummaryListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -80,7 +81,7 @@ func TestShopCommissionService_ListShopCommissionSummary(t *testing.T) {
 		err := shopStore.Create(ctx, shop)
 		require.NoError(t, err)
 
-		req := &model.ShopCommissionSummaryListReq{
+		req := &dto.ShopCommissionSummaryListReq{
 			Page:     1,
 			PageSize: 20,
 			ShopName: "筛选测试",
@@ -122,7 +123,7 @@ func TestShopCommissionService_ListShopWithdrawalRequests(t *testing.T) {
 		err := shopStore.Create(ctx, shop)
 		require.NoError(t, err)
 
-		req := &model.ShopWithdrawalRequestListReq{
+		req := &dto.ShopWithdrawalRequestListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -136,7 +137,7 @@ func TestShopCommissionService_ListShopWithdrawalRequests(t *testing.T) {
 	t.Run("查询不存在的店铺提现记录应失败", func(t *testing.T) {
 		ctx := createCommissionTestContext(1)
 
-		req := &model.ShopWithdrawalRequestListReq{
+		req := &dto.ShopWithdrawalRequestListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -176,7 +177,7 @@ func TestShopCommissionService_ListShopCommissionRecords(t *testing.T) {
 		err := shopStore.Create(ctx, shop)
 		require.NoError(t, err)
 
-		req := &model.ShopCommissionRecordListReq{
+		req := &dto.ShopCommissionRecordListReq{
 			Page:     1,
 			PageSize: 20,
 		}
@@ -190,7 +191,7 @@ func TestShopCommissionService_ListShopCommissionRecords(t *testing.T) {
 	t.Run("查询不存在的店铺佣金明细应失败", func(t *testing.T) {
 		ctx := createCommissionTestContext(1)
 
-		req := &model.ShopCommissionRecordListReq{
+		req := &dto.ShopCommissionRecordListReq{
 			Page:     1,
 			PageSize: 20,
 		}
diff --git a/tests/unit/shop_service_test.go b/tests/unit/shop_service_test.go
index 96589d6..6cad7de 100644
--- a/tests/unit/shop_service_test.go
+++ b/tests/unit/shop_service_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/internal/service/shop"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
@@ -26,7 +27,7 @@ func TestShopService_Create(t *testing.T) {
 
 	t.Run("创建一级店铺成功", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
-		req := &model.CreateShopRequest{
+		req := &dto.CreateShopRequest{
 			ShopName:     "测试一级店铺",
 			ShopCode:     "SHOP_L1_001",
 			ParentID:     nil,
@@ -71,7 +72,7 @@ func TestShopService_Create(t *testing.T) {
 		require.NoError(t, err)
 
 		// 创建二级店铺
-		req := &model.CreateShopRequest{
+		req := &dto.CreateShopRequest{
 			ShopName:     "测试二级店铺",
 			ShopCode:     "SHOP_L2_001",
 			ParentID:     &parent.ID,
@@ -123,7 +124,7 @@ func TestShopService_Create(t *testing.T) {
 		assert.Equal(t, 7, shops[6].Level)
 
 		// 尝试创建第 8 级店铺（应该失败）
-		req := &model.CreateShopRequest{
+		req := &dto.CreateShopRequest{
 			ShopName:     "第8级店铺",
 			ShopCode:     "SHOP_L8_001",
 			ParentID:     &shops[6].ID, // 第7级店铺的ID
@@ -149,7 +150,7 @@ func TestShopService_Create(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
 		// 创建第一个店铺
-		req1 := &model.CreateShopRequest{
+		req1 := &dto.CreateShopRequest{
 			ShopName:     "店铺A",
 			ShopCode:     "UNIQUE_CODE_001",
 			ContactName:  "张三",
@@ -162,7 +163,7 @@ func TestShopService_Create(t *testing.T) {
 		require.NoError(t, err)
 
 		// 尝试创建相同编号的店铺（应该失败）
-		req2 := &model.CreateShopRequest{
+		req2 := &dto.CreateShopRequest{
 			ShopName:     "店铺B",
 			ShopCode:     "UNIQUE_CODE_001", // 重复编号
 			ContactName:  "李四",
@@ -186,7 +187,7 @@ func TestShopService_Create(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
 		nonExistentID := uint(99999)
-		req := &model.CreateShopRequest{
+		req := &dto.CreateShopRequest{
 			ShopName:     "测试店铺",
 			ShopCode:     "SHOP_INVALID_PARENT",
 			ParentID:     &nonExistentID, // 不存在的上级店铺 ID
@@ -211,7 +212,7 @@ func TestShopService_Create(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background() // 没有用户 ID 的 context
 
-		req := &model.CreateShopRequest{
+		req := &dto.CreateShopRequest{
 			ShopName:     "测试店铺",
 			ShopCode:     "SHOP_UNAUTHORIZED",
 			ContactName:  "测试",
@@ -262,7 +263,7 @@ func TestShopService_Update(t *testing.T) {
 		require.NoError(t, err)
 
 		// 更新店铺
-		req := &model.UpdateShopRequest{
+		req := &dto.UpdateShopRequest{
 			ShopName:     "更新后的店铺名称",
 			ContactName:  "新联系人",
 			ContactPhone: "13900000001",
@@ -316,7 +317,7 @@ func TestShopService_Update(t *testing.T) {
 		require.NoError(t, err)
 
 		// 尝试更新 shop2 的名称为已存在的名称（应该成功，因为名称不需要唯一性）
-		req := &model.UpdateShopRequest{
+		req := &dto.UpdateShopRequest{
 			ShopName: "店铺1",
 			Status:   constants.StatusEnabled,
 		}
@@ -330,7 +331,7 @@ func TestShopService_Update(t *testing.T) {
 	t.Run("更新不存在的店铺应失败", func(t *testing.T) {
 		ctx := createContextWithUserID(1)
 
-		req := &model.UpdateShopRequest{
+		req := &dto.UpdateShopRequest{
 			ShopName: "新名称",
 			Status:   constants.StatusEnabled,
 		}
@@ -347,7 +348,7 @@ func TestShopService_Update(t *testing.T) {
 	t.Run("未授权访问应失败", func(t *testing.T) {
 		ctx := context.Background()
 
-		req := &model.UpdateShopRequest{
+		req := &dto.UpdateShopRequest{
 			ShopName: "新名称",
 			Status:   constants.StatusEnabled,
 		}