diff --git a/YLErpDAL/CustomizedBizLogic/BizLogicGuoLian.cs b/YLErpDAL/CustomizedBizLogic/BizLogicGuoLian.cs
index 14301583..2a5fd5ac 100644
--- a/YLErpDAL/CustomizedBizLogic/BizLogicGuoLian.cs
+++ b/YLErpDAL/CustomizedBizLogic/BizLogicGuoLian.cs
@@ -27,8 +27,8 @@ namespace YLErp.CustomizedBizLogic
                 return DateTime.Now.ToString("yyyyMMddHHmmssfff");
             }
 
-            // 国联格式：GL-{yyyyMMdd}-{4位序号}
-            var leftPart = $"GL-{reqModel.trade.TradeDate:yyyyMMdd}-";
+            // 国联格式：GLMS-{yyyyMMdd}-{4位序号}
+            var leftPart = $"GLMS-{reqModel.trade.TradeDate:yyyyMMdd}-";
             var fullSize = leftPart.Length + 4;
 
             // 获取数据库该用户最大的交易编号记录