diff --git a/db_transfer.py b/db_transfer.py
index ae65939..61a7255 100644
--- a/db_transfer.py
+++ b/db_transfer.py
@@ -78,9 +78,11 @@ class DbTransfer(object):
 		#数据库所有用户信息
 		try:
 			import switchrule
+			reload(switchrule)
 			keys = switchrule.getKeys()
 		except Exception as e:
 			keys = ['port', 'u', 'd', 'transfer_enable', 'passwd', 'enable' ]
+		reload(cymysql)
 		conn = cymysql.connect(host=Config.MYSQL_HOST, port=Config.MYSQL_PORT, user=Config.MYSQL_USER,
 								passwd=Config.MYSQL_PASS, db=Config.MYSQL_DB, charset='utf8')
 		cur = conn.cursor()
@@ -102,6 +104,7 @@ class DbTransfer(object):
 		#需要动态载入switchrule，以便实时修改规则
 		try:
 			import switchrule
+			reload(switchrule)
 		except Exception as e:
 			logging.error('load switchrule.py fail')
 		cur_servers = {}
diff --git a/run.sh b/run.sh
index 2925a5e..8fceb97 100644
--- a/run.sh
+++ b/run.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 cd `dirname $0`
-eval $(ps -ef | grep "[0-9] python server\\.py" | awk '{print "kill "$2}')
-nohup python server.py >> ssserver.log 2>&1 &
+eval $(ps -ef | grep "[0-9] python server\\.py m" | awk '{print "kill "$2}')
+ulimit -n 131072
+nohup python server.py m>> ssserver.log 2>&1 &
 
diff --git a/server.py b/server.py
index 585380f..9bd538e 100644
--- a/server.py
+++ b/server.py
@@ -7,6 +7,7 @@ os.chdir(os.path.split(os.path.realpath(__file__))[0])
 
 import server_pool
 import db_transfer
+from shadowsocks import shell
 
 #def test():
 #	 thread.start_new_thread(DbTransfer.thread_db, ())
@@ -19,10 +20,16 @@ class MainThread(threading.Thread):
 	def run(self):
 		db_transfer.DbTransfer.thread_db()
 
+def main():
+	shell.check_python()
+	if len(sys.argv) <= 3:
+		db_transfer.DbTransfer.thread_db()
+	else:
+		thread = MainThread()
+		thread.start()
+		while True:
+			time.sleep(99999)
+
 if __name__ == '__main__':
-	#server_pool.ServerPool.get_instance()
-	#server_pool.ServerPool.get_instance().new_server(2333, '2333')
-	thread = MainThread()
-	thread.start()
-	while True:
-		time.sleep(99999)
+	main()
+
diff --git a/stop.sh b/stop.sh
index 2fa55cf..c726221 100644
--- a/stop.sh
+++ b/stop.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-eval $(ps -ef | grep "[0-9] python server\\.py" | awk '{print "kill "$2}')
+eval $(ps -ef | grep "[0-9] python server\\.py m" | awk '{print "kill "$2}')
diff --git a/tail.sh b/tail.sh
index aa37139..f36f605 100644
--- a/tail.sh
+++ b/tail.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
-
+cd `dirname $0`
 tail -f ssserver.log