运营中心额度变更记录判断UserId是否为0

Util/Utils.cs

@@ -221,7 +221,7 @@ namespace MySystem
         #region 运营中心额度变更
         public void OperateAmountChange(OpModels.WebCMSEntities db, OpAmountItem param)
         {
-            if(param.UseAmount <= 0) return;
+            if(param.UseAmount <= 0 || param.UserId <= 0) return;
             function.WriteLog(Newtonsoft.Json.JsonConvert.SerializeObject(param), "运营中心额度变更测试");
             OpModels.UserAccount account = db.UserAccount.FirstOrDefault(m => m.Id == param.UserId);
             if (account == null)