diff --git a/CloudNative/Kubernetes/Docs/cicd/android-Dockerfile.md b/CloudNative/Kubernetes/Docs/cicd/android-Dockerfile.md
index 53cc573..e78f84b 100644
--- a/CloudNative/Kubernetes/Docs/cicd/android-Dockerfile.md
+++ b/CloudNative/Kubernetes/Docs/cicd/android-Dockerfile.md
@@ -3,6 +3,8 @@ cat >Dockerfile << EOF
 FROM swr.cn-east-3.myhuaweicloud.com/turingsyn/jenkins/inbound-agent:jdk17-20230925
 
 USER root
+# 下载commandlinetools
+## https://developer.android.com/studio?hl=zh-cn
 # commandlinetools解压，在cmdline-line目录下的所有文件及目录都移动到cmdline-tools目录下新建的latest目录中
 # 压缩cmdline-tools为cmdline-tools.tar.gz
 ADD cmdline-tools.tar.gz ./android-tools/