diff --git a/src/chongming_stream_manager/__init__.py b/src/chongming_stream_manager/__init__.py
index 3f56378..951843a 100644
--- a/src/chongming_stream_manager/__init__.py
+++ b/src/chongming_stream_manager/__init__.py
@@ -1,6 +1,8 @@
 import asyncio
 from typing import Dict, Optional
 import logging
+import os
+import subprocess
 
 logger = logging.getLogger(__name__)