diff --git a/main.py b/main.py
index dbcd5fd..5861504 100644
--- a/main.py
+++ b/main.py
@@ -6,6 +6,7 @@ from v2.ipregion import IpSearch, Ip2Region
 
 if __name__ == '__main__':
     pid = os.getpid()
+    # 杀死所有进程
     stop_shell = """#!/bin/bash
 echo `pstree -p {pid}`|awk 'BEGIN{{ FS="(" ; RS=")" }} NF>1 {{ print $NF }}'|xargs kill &>/dev/null
 """