[B端扫码][修改]:异常处理

mallinkBApi/src/main/java/com/iformall/controller/WxMemController.java

@@ -95,7 +95,7 @@ public class WxMemController extends BaseController {
                 userVo.setAddress(wxCUserBasicInfo.getAddress());
             }
 
-            if(levelConfigDiscount > 0) {
+            if(levelConfigDiscount != null && levelConfigDiscount > 0) {
                 // 用户折扣率
                 WxMerchant wxMerchant = wxMerchantService.getById(bUser.getMerchantId());
                 if(wxMerchant != null) {