UserDeliveryAddressEx字段小驼峰

business/model/dao/dao_user2.go

@@ -16,9 +16,9 @@ type StoreWithCityName struct {
 type UserDeliveryAddressEx struct {
 	model.UserDeliveryAddress
 
-	UserName     string
-	CityName     string
-	DistrictName string
+	UserName     string `json:"userName"`
+	CityName     string `json:"cityName"`
+	DistrictName string `json:"districtName"`
 }
 
 func GetUserByID(db *DaoDB, fieldName, fieldValue string) (user *model.User, err error) {