diff --git a/ACME%E5%8D%8F%E8%AE%AE%E8%87%AA%E5%8A%A8%E8%8E%B7%E5%8F%96%E5%92%8C%E7%BB%AD%E8%AE%A2TLS%E8%AF%81%E4%B9%A6.md b/ACME%E5%8D%8F%E8%AE%AE%E8%87%AA%E5%8A%A8%E8%8E%B7%E5%8F%96%E5%92%8C%E7%BB%AD%E8%AE%A2TLS%E8%AF%81%E4%B9%A6.md
index ee4777f..a6e80cd 100644
--- a/ACME%E5%8D%8F%E8%AE%AE%E8%87%AA%E5%8A%A8%E8%8E%B7%E5%8F%96%E5%92%8C%E7%BB%AD%E8%AE%A2TLS%E8%AF%81%E4%B9%A6.md
+++ b/ACME%E5%8D%8F%E8%AE%AE%E8%87%AA%E5%8A%A8%E8%8E%B7%E5%8F%96%E5%92%8C%E7%BB%AD%E8%AE%A2TLS%E8%AF%81%E4%B9%A6.md
@@ -13,4 +13,9 @@ curl  https://get.acme.sh | sh -s email=XXX@outlook.com
 - 生成证书,确保DNS解析到当前服务器中
 ```
 ~/.acme.sh/acme.sh --issue -d hostname.x.com --standalone --force
+```
+
+- 设定时任务，检查证书到期后自动续订：crontab -e 添加以下任务
+```
+0 */12 * * * ~/.acme.sh/acme.sh --cron --home ~/.acme.sh
 ```
\ No newline at end of file