diff --git a/Dockerfile b/Dockerfile
index 00552a4b..f71361d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,12 @@
-FROM frolvlad/alpine-oraclejdk8:full
+FROM frolvlad/alpine-oraclejdk8:slim
 MAINTAINER xiunai78 <154707516@qq.com>
 
 # Add the service itself
 ARG JAR_FILE
 ADD ${JAR_FILE} /usr/local/msgexchangeapi/myapp.jar
 
+RUN apk add -U tzdata
+
 #设置时区
 RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
   && echo 'Asia/Shanghai' >/etc/timezone