diff --git a/BWP.B3_YunKen/BLActions/CusrAcceptDoCheckSendWeixinMessage.cs b/BWP.B3_YunKen/BLActions/CusrAcceptDoCheckSendWeixinMessage.cs
index 8da272e..efacad2 100644
--- a/BWP.B3_YunKen/BLActions/CusrAcceptDoCheckSendWeixinMessage.cs
+++ b/BWP.B3_YunKen/BLActions/CusrAcceptDoCheckSendWeixinMessage.cs
@@ -43,6 +43,8 @@ namespace BWP.B3_YunKen.BLActions
 
     private void InsertExternalMessage(CustomerAccept accept, string userName, IDmoContext context)
     {
+      if (string.IsNullOrEmpty(userName))
+        return;
       var message = new WeixinMessage();
       message.Title = "客户验收单No."+accept.ID;
       message.TargetID = accept.ID;