diff --git a/server/payserver/api/v1/mainservice/mainservice.go b/server/payserver/api/v1/mainservice/mainservice.go
index 53bf6b6..b0ba265 100644
--- a/server/payserver/api/v1/mainservice/mainservice.go
+++ b/server/payserver/api/v1/mainservice/mainservice.go
@@ -218,17 +218,17 @@ func (this *MainServiceApi) WxNotifyPurchase(c *gin.Context) {
 
 		nowtimestr := q5.SafeToString(f5.GetApp().GetRealSeconds())
 		originstr := "account_id=" + orderModel.AccountId
-		originstr += "&goodsid=" + string(orderModel.ItemId)
+		originstr += "&goodsid=" + payloadobj.GoodsInfo.ProductId
 		originstr += "&orderid=" + orderModel.OrderId
 		originstr += "&amount=" + q5.SafeToString(payloadobj.GoodsInfo.ActualPrice)
-		originstr += ":" + nowtimestr + constant.NOFITY_GAMESERVER_SALT
+		originstr += ":" + constant.NOFITY_GAMESERVER_SALT + nowtimestr
 		params := map[string]string{
 			"c":          "Recharge",
 			"a":          "purchaseNotify",
 			"account_id": orderModel.AccountId,
 			"orderid":    orderModel.OrderId,
 			"timestamp":  nowtimestr,
-			"goodsid":    string(orderModel.ItemId),
+			"goodsid":    payloadobj.GoodsInfo.ProductId,
 			"amount":     q5.SafeToString(payloadobj.GoodsInfo.ActualPrice),
 			"sign":       q5.Md5Str(originstr),
 		}