diff --git a/business/partner/purchase/jx/localjx/order.go b/business/partner/purchase/jx/localjx/order.go
index b2c9a75aa..4e3dcda35 100644
--- a/business/partner/purchase/jx/localjx/order.go
+++ b/business/partner/purchase/jx/localjx/order.go
@@ -2,7 +2,6 @@ package localjx
 
 import (
 	"crypto/md5"
-	"encoding/json"
 	"fmt"
 	"math"
 	"regexp"
@@ -358,7 +357,7 @@ func Pay4User(ctx *jxcontext.Context, thingID, payType int, vendorPayType string
 	switch payType {
 	case model.PayTypeTL_DiscountCard:
 		if configList, err := dao.QueryConfigs(db, "会员折扣卡", model.ConfigTypeDiscountCard, ""); err == nil {
-			json.Unmarshal([]byte(configList[0].Value), dicountCards)
+			utils.UnmarshalUseNumber([]byte(configList[0].Value), dicountCards)
 			if err != nil {
 				return nil, err
 			}