免费活动判断

pages/welfareMall/activityInfo/activityInfo.js

@@ -265,8 +265,10 @@ Page({
   //type 1  是未支付带过去的    2 是已支付带过去的
    async goToOrderInfo(){
    
-    let res = await WelfareMall.getPayStatus(this.data.orderSn);
-     console.log(res);
+    if(this.data.orderSn){
+      let res = await WelfareMall.getPayStatus(this.data.orderSn);
+      console.log(res);
+    }
     wx.redirectTo({
       url: '/pages/welfareMall/order/orderCompletion?ordersn='+this.data.orderSn
     })