diff --git a/Dockerfile b/Dockerfile
index a6d155a..2a00b9b 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
 RUN mkdir -p /root/.ssh
-COPY .ssh/* /root/.ssh/
+COPY .ssh/id_rsa.pub /root/.ssh/
 RUN chown /root/.ssh/* root:root && md5sum /root/.ssh/* && ls -la /root/.ssh/
 RUN mkdir /app
 #拷贝自动更新部署应用的命令