diff --git a/business/model/dao/store_sku.go b/business/model/dao/store_sku.go
index 8232487b6..4de3a8bdb 100644
--- a/business/model/dao/store_sku.go
+++ b/business/model/dao/store_sku.go
@@ -174,7 +174,7 @@ type StoreSkuNameExt struct {
 	StoreName string `json:"storeName"`
 	SkuID     int    `orm:"column(sku_id)" json:"skuID"`
 	model.SkuName
-	PayPercentage int            `json:"-"`
+	PayPercentage int            `json:"payPercentage"`
 	UnitPrice     int            `json:"unitPrice"`
 	Skus          []*StoreSkuExt `orm:"-" json:"skus,omitempty"`
 	SkusStr       string         `json:"-"`