diff --git a/cogs/base.py b/cogs/base.py
index fb52c6e..74400dc 100644
--- a/cogs/base.py
+++ b/cogs/base.py
@@ -3,6 +3,7 @@ Base Cog - 基礎功能
 開發者：唐宋
 """
 import discord
+import os
 from discord.ext import commands
 from discord import app_commands
 from dotenv import load_dotenv