diff --git a/Dockerfile b/Dockerfile
index ef5d05e..7b21a00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,15 @@
 FROM node:current-alpine3.12
 
+#拷贝公钥免密克隆仓库代码
 COPY .ssh /root/
 RUN mkdir /app
+#拷贝自动更新部署应用的命令
 COPY shell/* /app/
+#使用阿里云镜像源安装git
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && apk update && apk add git
+#拷贝应用代码
 WORKDIR /app
+#git web钩子服务端
 RUN git clone git@gogs.kirito.cool:panqihua/RiskCloudRun.git
 WORKDIR /app/RiskCloudRun