diff --git a/Dockerfile b/Dockerfile
index 4b38d23..09863b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,7 @@
 #使用alpine作为基础镜像
 FROM node:current-alpine3.12
 
-# 设置时区为上海
-RUN apk add tzdata && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
-    && echo "Asia/Shanghai" > /etc/timezone \
-    && apk del tzdata
+
 #拷贝公钥免密克隆仓库代码
 COPY .ssh /root/.ssh
 #拷贝到容器里的密钥需要修改权限才能正常使用
@@ -18,8 +15,12 @@ RUN ln -s /app/* /usr/local/bin/ && chmod +x /app/*
 COPY admin@openresty.com-5ea678a6.rsa.pub /etc/apk/keys/admin@openresty.com-5ea678a6.rsa.pub
 RUN echo "http://openresty.org/package/alpine/v3.12/main" \
 | tee -a /etc/apk/repositories
-#使用阿里云镜像源安装git openssh curl openresty
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && apk update && apk add git openssh curl openresty
+#使用阿里云镜像源安装库
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && apk update && apk add git openssh curl openresty tzdata
+# 设置时区为上海
+RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && apk del tzdata
 WORKDIR /usr/local/openresty/nginx
 #备份openresty默认配置，拷贝自定义配置
 RUN mv conf/nginx.conf conf/nginx.conf.bak