diff --git a/README.md b/README.md
index 34dbba0..cf35faa 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ update domain record using AliCloud Go SDK. ip is fetched from https://ifconfig.
 
 更新阿里云域名的解析IP地址。IP地址从https://ifconfig.me 获取
 
+- [ ] check
+- [x] check
 
 ### Usage
 - 在[此处](https://usercenter.console.aliyun.com/)申请AccessKey。