diff --git a/internal/model/dto/package_dto.go b/internal/model/dto/package_dto.go
index 306d8e5..c8d8f58 100644
--- a/internal/model/dto/package_dto.go
+++ b/internal/model/dto/package_dto.go
@@ -75,6 +75,7 @@ type PackageResponse struct {
 	RealDataMB               int64               `json:"real_data_mb" description:"真流量额度(MB)"`
 	VirtualDataMB            int64               `json:"virtual_data_mb" description:"虚流量额度(MB)"`
 	EnableVirtualData        bool                `json:"enable_virtual_data" description:"是否启用虚流量"`
+	VirtualRatio             float64             `json:"virtual_ratio" description:"虚流量比例(real_data_mb/virtual_data_mb)，启用虚流量时计算，否则为1.0"`
 	SuggestedRetailPrice     int64               `json:"suggested_retail_price" description:"建议售价(分)"`
 	CostPrice                int64               `json:"cost_price" description:"成本价(分)"`
 	OneTimeCommissionAmount  *int64              `json:"one_time_commission_amount,omitempty" description:"一次性佣金金额（分，代理视角）"`
diff --git a/internal/service/package/service.go b/internal/service/package/service.go
index 9dae6a9..54fce3d 100644
--- a/internal/service/package/service.go
+++ b/internal/service/package/service.go
@@ -514,6 +514,7 @@ func (s *Service) toResponse(ctx context.Context, pkg *model.Package) *dto.Packa
 		RealDataMB:               pkg.RealDataMB,
 		VirtualDataMB:            pkg.VirtualDataMB,
 		EnableVirtualData:        pkg.EnableVirtualData,
+		VirtualRatio:             calculateVirtualRatio(pkg.EnableVirtualData, pkg.RealDataMB, pkg.VirtualDataMB),
 		CostPrice:                pkg.CostPrice,
 		SuggestedRetailPrice:     pkg.SuggestedRetailPrice,
 		CalendarType:             pkg.CalendarType,
@@ -578,6 +579,7 @@ func (s *Service) toResponseWithAllocation(_ context.Context, pkg *model.Package
 		RealDataMB:               pkg.RealDataMB,
 		VirtualDataMB:            pkg.VirtualDataMB,
 		EnableVirtualData:        pkg.EnableVirtualData,
+		VirtualRatio:             calculateVirtualRatio(pkg.EnableVirtualData, pkg.RealDataMB, pkg.VirtualDataMB),
 		CostPrice:                pkg.CostPrice,
 		SuggestedRetailPrice:     pkg.SuggestedRetailPrice,
 		CalendarType:             pkg.CalendarType,