diff --git a/cloud-provider/aws/CloudWatch.md b/cloud-provider/aws/CloudWatch.md
index 7aa8c791..5ec2b83d 100644
--- a/cloud-provider/aws/CloudWatch.md
+++ b/cloud-provider/aws/CloudWatch.md
@@ -12,6 +12,8 @@ Logs Insights 来查询日志数据。
 
 日志查询举例：
 
+> https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/AnalyzingLogData.html
+
 ```
 # 查询 kube-apiserver-audit 日志中所有删除 xxx 名字空间中 service 的记录
 filter @logStream like 'kube-apiserver-audit-'