diff --git a/internal/service/account/service.go b/internal/service/account/service.go
index 9de7c96..81c0924 100644
--- a/internal/service/account/service.go
+++ b/internal/service/account/service.go
@@ -124,6 +124,23 @@ func (s *Service) Create(ctx context.Context, req *dto.CreateAccountRequest) (*m
 		return nil, errors.Wrap(errors.CodeInternalError, err, "创建账号失败")
 	}
 
+	// 代理账号自动分配该店铺的默认角色
+	if req.UserType == constants.UserTypeAgent && req.ShopID != nil {
+		roleIDs, err := s.shopRoleStore.GetRoleIDsByShopID(ctx, *req.ShopID)
+		if err == nil {
+			for _, roleID := range roleIDs {
+				ar := &model.AccountRole{
+					AccountID: account.ID,
+					RoleID:    roleID,
+					Status:    constants.StatusEnabled,
+					Creator:   currentUserID,
+					Updater:   currentUserID,
+				}
+				_ = s.accountRoleStore.Create(ctx, ar)
+			}
+		}
+	}
+
 	currentAccount, _ := s.accountStore.GetByID(ctx, currentUserID)
 	operatorName := ""
 	if currentAccount != nil {