diff --git a/channel/wechat/wechat_mp_channel.py b/channel/wechat/wechat_mp_channel.py
index 142b443..ca14eeb 100644
--- a/channel/wechat/wechat_mp_channel.py
+++ b/channel/wechat/wechat_mp_channel.py
@@ -5,7 +5,6 @@ from common import const
 from common.log import logger
 from channel.channel import Channel
 from concurrent.futures import ThreadPoolExecutor
-sensitive_word = []
 
 robot = werobot.WeRoBot(token=channel_conf(const.WECHAT_MP).get('token'))
 thread_pool = ThreadPoolExecutor(max_workers=8)