diff --git a/README.md b/README.md
index 1a1ba0d..985e5ee 100644
--- a/README.md
+++ b/README.md
@@ -256,6 +256,10 @@ Here is timezone list at [wikipedia](https://en.wikipedia.org/wiki/List_of_tz_da
 
 Default: `UTC`
 
+#### PING_URL
+
+Use [healthcheck.io](https://healthchecks.io/) url or similar cron monitoring to perform `GET` requests after a **successful** backup.
+
 #### MAIL_SMTP_ENABLE
 
 The tool uses [heirloom-mailx](https://www.systutorials.com/docs/linux/man/1-heirloom-mailx/) to send mail.
diff --git a/README_zh.md b/README_zh.md
index 8c845d7..1bad43d 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -257,6 +257,10 @@ Rclone 远程名称，你可以自己修改命名。
 
 默认值：`UTC`
 
+#### PING_URL
+
+使用 [healthcheck.io](https://healthchecks.io/) 地址或者其他类似的 cron 监控，以便在备份**成功**后执行 `GET` 请求。
+
 #### MAIL_SMTP_ENABLE
 
 本工具使用 [heirloom-mailx](https://www.systutorials.com/docs/linux/man/1-heirloom-mailx/) 发送邮件。