diff --git a/Dockerfile b/Dockerfile
index 9b57f73d..00552a4b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM frolvlad/alpine-oraclejdk8:slim
+FROM frolvlad/alpine-oraclejdk8:full
 MAINTAINER xiunai78 <154707516@qq.com>
 
 # Add the service itself
@@ -6,7 +6,7 @@ ARG JAR_FILE
 ADD ${JAR_FILE} /usr/local/msgexchangeapi/myapp.jar
 
 #设置时区
-RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
   && echo 'Asia/Shanghai' >/etc/timezone
 
 EXPOSE 8080