diff --git a/wxpy/api/core.py b/wxpy/api/core.py
index d484ca4..3277f59 100644
--- a/wxpy/api/core.py
+++ b/wxpy/api/core.py
@@ -1145,7 +1145,7 @@ def fetch_contact(_username):
                 self.batch_get_contact(_username)
                 if _username == 'fmessage':
                     return Chat(self, '朋友推荐消息')
-                elif _username == 'fmessage':
+                elif _username == 'filehelper':
                     return Chat(self, '文件传输助手')
             if _username in self.data.raw_chats:
                 raw_chat = self.data.raw_chats[_username]