diff --git a/Dockerfile b/Dockerfile
index 821b2a9..40e7d81 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,8 @@ FROM centos:7
 
 MAINTAINER iotcat (i@iotcat.me)
 
+COPY ini.sh /
+
 RUN yum -y install gcc gcc-c++ make \
 openssl-devel pcre-devel gd-devel \
 libxml2-devel libxslt-devel zlib-devel \
@@ -39,7 +41,8 @@ make -j 4 && make install && \
 cd / && rm -rf nginx-1.15.9 && \
 rm -rf nginx-1.15.9.tar.gz 
 
+
 ENV PATH $PATH:/usr/local/nginx/sbin
 WORKDIR /usr/local/nginx
-EXPOSE 80 443 21515 30034
-CMD ["nginx", "-g","daemon off;"]
+EXPOSE 80 443
+CMD chmod +x /ini.sh ; /ini.sh
diff --git a/ini.sh b/ini.sh
new file mode 100644
index 0000000..5d9dc1d
--- /dev/null
+++ b/ini.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+ip -4 route list match 0/0 | awk '{print $3 " host.docker.internal"}' >> /etc/hosts
+nginx -g "daemon off;"
diff --git a/run.sh b/run.sh
index 26b857a..04a3c80 100644
--- a/run.sh
+++ b/run.sh
@@ -4,8 +4,6 @@ docker run -d \
   --restart=always \
   -p 80:80 \
   -p 443:443 \
-  -p 21515:21515 \
-  -p 30034:30034 \
   -v /home/:/home/ \
   -v /etc/nginx/:/etc/nginx/ \
   -v /var/log/nginx/:/var/log/nginx/ \