diff --git a/B3WeChat/Entities/SendTemplateMessageResult.cs b/B3WeChat/Entities/SendTemplateMessageResult.cs
index 82dedcc..f52d49a 100644
--- a/B3WeChat/Entities/SendTemplateMessageResult.cs
+++ b/B3WeChat/Entities/SendTemplateMessageResult.cs
@@ -10,7 +10,7 @@ namespace BWP.B3WeChat.Entities
   /// </summary>
   public class SendTemplateMessageResult:WeChatResponseBase
   {
-    public int msgid { get; set; }
+    public long msgid { get; set; }
 
   }
 }
\ No newline at end of file