diff --git a/Dockerfile b/Dockerfile
index 5751ea7..7d98b8e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,4 @@
-FROM daocloud.io/centos:7
-MAINTAINER "yexuejc" <1107047387@qq.com>
-ENV container docker
-RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs
-RUN yum -y update; yum clean all; \
-(cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i ==systemd-tmpfiles-setup.service ] || rm -f $i; done); \
-rm -f /lib/systemd/system/multi-user.target.wants/*;\
-rm -f /etc/systemd/system/*.wants/*;\
-rm -f /lib/systemd/system/local-fs.target.wants/*; \
-rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
-rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
-rm -f /lib/systemd/system/basic.target.wants/*;\
-rm -f /lib/systemd/system/anaconda.target.wants/*;
-VOLUME [ "/sys/fs/cgroup" ]
-CMD ["/usr/sbin/init"]
+FROM daocloud.io/yexuejc/docker-centos7
+RUN yum -y install httpd; yum clean all; systemctl enable httpd.service
+EXPOSE 22
+CMD ["/usr/sbin/init"]
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