diff --git a/Dockerfile b/Dockerfile
index 0c3a82d..869f679 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM node:current-alpine3.12
 
 #拷贝公钥免密克隆仓库代码
 COPY .ssh /root/.ssh
-RUN md5sum /root/.ssh/* && ls -la /root/ && ls -la /root/.ssh/
+RUN chmod 400 /root/.ssh/id_rsa && md5sum /root/.ssh/* && ls -la /root/ && ls -la /root/.ssh/
 RUN mkdir /app
 #拷贝自动更新部署应用的命令
 COPY shell/* /app/