diff --git a/系统优化/数据库自动备份到云存储.md b/系统优化/数据库自动备份到云存储.md
index e2fdee3e..49087328 100644
--- a/系统优化/数据库自动备份到云存储.md
+++ b/系统优化/数据库自动备份到云存储.md
@@ -94,5 +94,5 @@ crontab -e
 计划任务内容
 
 ```
-0 3 * * * /root/ctc-docker/backup.sh > /dev/null 2>&1 & 
+0 3 * * * /usr/bin/bash /root/ctc-docker/backup.sh > /dev/null 2>&1 & 
 ```
\ No newline at end of file