diff --git a/gitrun.sh b/gitrun.sh
index 97c6322..fc0fa90 100644
--- a/gitrun.sh
+++ b/gitrun.sh
@@ -1,4 +1,5 @@
-#!/bin/sh
+#!/bin/bash
+#
 cd /home/crontab_backup
 git add .
 git commit -m "crontab备份"