diff --git a/nonebot_plugin_dialectlist/__init__.py b/nonebot_plugin_dialectlist/__init__.py
index cf7c035..2849a91 100644
--- a/nonebot_plugin_dialectlist/__init__.py
+++ b/nonebot_plugin_dialectlist/__init__.py
@@ -9,7 +9,6 @@ require("nonebot_plugin_cesaa")
 
 import re
 import os
-import cn2an
 import time as t
 import nonebot_plugin_saa as saa