diff --git a/.travis.yml b/.travis.yml
index 00a89c6..66d9ea5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,14 @@ script:
 - docker run -it --rm -v $PWD:/srv/gitbook-src yeasy/docker_practice build
 after_success:
 - sudo chmod -R 777 _book
+- echo "FROM nginx:alpine" >> Dockerfile
+- echo "COPY _book /usr/share/nginx/html" >> Dockerfile
+- docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD"
+- docker build -t dockerpracticecn/docker_practice .
+- docker run -dit --rm -p 4000:80 dockerpracticecn/docker_practice
+- sleep 5
+- curl 127.0.0.1:4000
+- docker push dockerpracticecn/docker_practice
 - cd _book
 - git init
 - git remote add origin "$REPO"
diff --git a/bin/offline b/bin/offline
deleted file mode 100755
index a786166..0000000
--- a/bin/offline
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/bash
-
-if [ -f offline ];then echo "请在项目根目录执行 $0"; exit 1; fi
-
-command -v docker-compose > /dev/null 2>&1
-
-if [ $? != 0 ];then echo "请安装 docker-compose"; exit 1; fi
-
-if [ "$1" = update ];then
-  status=`git status -s`
-  if [ -z "$status" ];then
-    git fetch --depth=1 origin master
-    git reset --hard origin/master
-  else
-    echo "您已修改项目，请提交或恢复原状！"
-    exit 1
-  fi
-fi
-
-docker-compose up server
-
-docker-compose down
diff --git a/docker-compose.yml b/docker-compose.yml
index 583d0e0..509f265 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,8 @@
 version: "3"
 services:
 
+  # $ docker-compose up server => up a server，Only Support Linux or macOS
+
   server:
     image: yeasy/docker_practice:latest
     ports:
@@ -9,14 +11,7 @@ services:
       - ./:/srv/gitbook-src
     command: server
 
-  windows:
-    image: nginx:alpine
-    volumes:
-      - ./:/srv/www
-      - .travis/conf.d:/etc/nginx/conf.d
-    ports:
-      - 4000:4000
-    command: ["nginx", "-c", "/etc/nginx/conf.d/nginx.conf", "-g", "daemon off;"]
+  # $ docker-compose up build => build gitbook
 
   build:
     image: yeasy/docker_practice:latest
@@ -24,6 +19,18 @@ services:
       - ./:/srv/gitbook-src
     command: build
 
+  # $ docker run -it --rm -p 4000:80 dockerpracticecn/docker_practice
+
+  # $ docker up offline
+
+  offline:
+    # this image build by travis ci
+    image: dockerpracticecn/docker_practice
+    ports:
+      - 4000:80
+
+  # developer test docker image
+
   development:
     build: ./.travis
     image: yeasy/docker_practice:latest