[bug][修改][1001682]

mallinkAdmin/src/main/java/com/iformall/controller/market/WxCouponChannelController.java

@@ -130,8 +130,9 @@ public class WxCouponChannelController extends BaseController {
                 couponChannel.setQrCode(url);
                 wxCouponChannelMapper.updateByPrimaryKeySelective(couponChannel);
             }
-        }
 
+            resultData.data = null;
+        }
 
         return resultData;
     }