diff --git a/Dockerfile b/Dockerfile
index f1d7412..024e96f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,29 +1,28 @@
-FROM luchenqun/ubuntu-mysql-node
-LABEL maintainer="luchenqun@qq.com"
-
-RUN mkdir -p /app
-COPY src /app/src
-COPY view /app/view
-COPY www /app/www
-COPY package.json /app/package.json
-COPY production.js /app/production.js
-COPY schema.sql /app/schema.sql
-
-WORKDIR /app
-RUN USER=`sed -n '4,4p' /etc/mysql/debian.cnf | awk  'BEGIN { FS = "= " } ; { print $2 }'` \
-  && sed -i "s/test/${USER}/" /app/src/config/adapter.js \
-  && PASSWORD=`sed -n '5,5p' /etc/mysql/debian.cnf | awk  'BEGIN { FS = "= " } ; { print $2 }'` \
-  && sed -i "s/123456/${PASSWORD}/g" /app/src/config/adapter.js \
-  && npm install --production --registry=https://registry.npm.taobao.org \
-  && service mysql start \
-  && mysql -u root < /app/schema.sql \
-  && touch /usr/local/bin/start.sh \
-  && chmod 777 /usr/local/bin/start.sh \
-  && echo "#!/bin/bash" >> /usr/local/bin/start.sh \
-  && echo "service mysql restart" >> /usr/local/bin/start.sh \
-  && echo "node /app/production.js" >> /usr/local/bin/start.sh
-
-EXPOSE  3306
-EXPOSE  2000
-
-ENTRYPOINT ["start.sh"]
+FROM luchenqun/ubuntu-mysql-node
+LABEL maintainer="luchenqun@qq.com"
+
+RUN mkdir -p /app
+COPY src /app/src
+COPY view /app/view
+COPY www /app/www
+COPY package.json /app/package.json
+COPY production.js /app/production.js
+COPY schema.sql /app/schema.sql
+
+WORKDIR /app
+RUN USER=`sed -n '4,4p' /etc/mysql/debian.cnf | awk  'BEGIN { FS = "= " } ; { print $2 }'` \
+  && sed -i "s/test/${USER}/" /app/src/config/adapter.js \
+  && PASSWORD=`sed -n '5,5p' /etc/mysql/debian.cnf | awk  'BEGIN { FS = "= " } ; { print $2 }'` \
+  && sed -i "s/123456/${PASSWORD}/g" /app/src/config/adapter.js \
+  && npm install --production --registry=https://registry.npm.taobao.org \
+  && touch /usr/local/bin/start.sh \
+  && chmod 777 /usr/local/bin/start.sh \
+  && echo "#!/bin/bash" >> /usr/local/bin/start.sh \
+  && echo "service mysql restart" >> /usr/local/bin/start.sh \
+  && echo "mysql -u root < /app/schema.sql" >> /usr/local/bin/start.sh \
+  && echo "node /app/production.js" >> /usr/local/bin/start.sh
+
+EXPOSE  3306
+EXPOSE  2000
+
+ENTRYPOINT ["start.sh"]
diff --git a/schema.sql b/schema.sql
index ac67edc..ddb1903 100644
--- a/schema.sql
+++ b/schema.sql
@@ -1,9 +1,8 @@
-CREATE DATABASE mybookmarks DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; -- 创建mybookmarks数据库
+CREATE DATABASE IF NOT EXISTS mybookmarks DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; -- 创建mybookmarks数据库
 USE mybookmarks;
 
 -- 用户信息表
-drop table if exists users;
-CREATE TABLE `users` (
+CREATE TABLE IF NOT EXISTS `users` (
   `id` int(11) NOT NULL AUTO_INCREMENT,       -- id
   `username` varchar(255) NOT NULL,           -- 用户名
   `password` varchar(255) NOT NULL,           -- 密码
@@ -19,8 +18,7 @@ CREATE TABLE `users` (
 );
 
 -- 书签表
-drop table if exists bookmarks;
-CREATE TABLE `bookmarks` (
+CREATE TABLE IF NOT EXISTS `bookmarks` (
   `id` int(11) NOT NULL AUTO_INCREMENT,    -- id
   `userId` int(11) NOT NULL,               -- 用户id
   `tagId` int(11) NOT NULL,                -- 分类id (只允许一个书签对应一个分类)
@@ -36,8 +34,7 @@ CREATE TABLE `bookmarks` (
 );
 
 -- 书签分类表
-drop table if exists tags;
-CREATE TABLE `tags` (
+CREATE TABLE IF NOT EXISTS `tags` (
   `id` int(11) NOT NULL AUTO_INCREMENT,    -- id
   `userId` int(11) NOT NULL,               -- 用户id
   `name` varchar(32) NOT NULL,             -- 标签
@@ -50,8 +47,7 @@ CREATE TABLE `tags` (
 );
 
 -- 建议留言
-drop table if exists advices;
-CREATE TABLE `advices` (
+CREATE TABLE IF NOT EXISTS `advices` (
   `id` int(11) NOT NULL AUTO_INCREMENT,    -- id
   `userId` int(11) NOT NULL,               -- 用户id
   `comment` text NOT NULL,                 -- 评论
@@ -62,8 +58,7 @@ CREATE TABLE `advices` (
 );
 
 -- 热门表
-drop table if exists hot_bookmarks;
-CREATE TABLE `hot_bookmarks` (
+CREATE TABLE IF NOT EXISTS `hot_bookmarks` (
   `id` int(11) NOT NULL AUTO_INCREMENT,     -- id(articleId)
   `title` varchar(255) DEFAULT NULL,        -- 标题(title)
   `url` varchar(1024) DEFAULT NULL,         -- 链接(url)
@@ -77,8 +72,7 @@ CREATE TABLE `hot_bookmarks` (
 );
 
 -- 备忘录
-drop table if exists notes;
-CREATE TABLE `notes` (
+CREATE TABLE IF NOT EXISTS `notes` (
   `id` int(11) NOT NULL AUTO_INCREMENT,     -- id
   `userId` int(11) NOT NULL,                -- 用户id
   `content` text NOT NULL,                  -- 备忘内容