diff --git a/B3WeChat/Entities/ErrorObject.cs b/B3WeChat/Entities/ErrorObject.cs
index 9c4da9a..8964cd2 100644
--- a/B3WeChat/Entities/ErrorObject.cs
+++ b/B3WeChat/Entities/ErrorObject.cs
@@ -7,7 +7,7 @@ namespace BWP.B3WeChat.Entities
 {
   public class WeChatResponseBase
   {
-    public int errcode { get; set; }
+    public long errcode { get; set; }
     public string errmsg { get; set; }
 
     public bool IsError