diff --git a/README-zh.md b/README-zh.md
index c5ebe15..62b3c9a 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,9 +1,10 @@
 ![logo](http://webmagic.io/images/logo.jpeg)
 
 
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/us.codecraft/webmagic-parent/badge.svg?subject=Maven%20Central)](https://maven-badges.herokuapp.com/maven-central/us.codecraft/webmagic-parent/)
+[![License](https://img.shields.io/badge/License-Apache%20License%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
 [![Build Status](https://travis-ci.org/code4craft/webmagic.png?branch=master)](https://travis-ci.org/code4craft/webmagic)
 
-
 官方网站[http://webmagic.io/](http://webmagic.io/)
 
 >webmagic是一个开源的Java垂直爬虫框架，目标是简化爬虫的开发流程，让开发者专注于逻辑功能的开发。webmagic的核心非常简单，但是覆盖爬虫的整个流程，也是很好的学习爬虫开发的材料。
@@ -38,12 +39,12 @@ webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用w
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.7.4</version>
+    <version>0.7.5</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.7.4</version>
+    <version>0.7.5</version>
 </dependency>
 ```
         
diff --git a/README.md b/README.md
index e5cd511..14aeac7 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 [Readme in Chinese](https://github.com/code4craft/webmagic/tree/master/README-zh.md)
 
 
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/us.codecraft/webmagic-parent/badge.svg?subject=Maven%20Central)](https://maven-badges.herokuapp.com/maven-central/us.codecraft/webmagic-parent/)
+[![License](https://img.shields.io/badge/License-Apache%20License%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
 [![Build Status](https://travis-ci.org/code4craft/webmagic.png?branch=master)](https://travis-ci.org/code4craft/webmagic)
 
 >A scalable crawler framework. It covers the whole lifecycle of crawler: downloading, url management, content extraction and persistent. It can simplify the development of a  specific crawler.
@@ -23,12 +25,12 @@ Add dependencies to your pom.xml:
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.7.4</version>
+    <version>0.7.5</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.7.4</version>
+    <version>0.7.5</version>
 </dependency>
 ```
         
diff --git a/pom.xml b/pom.xml
index 990805e..51e6fdb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -275,7 +275,7 @@
                 <version>3.2.0</version>
                 <configuration>
                     <encoding>UTF-8</encoding>
-                    <doctitle>WebMagic 0.7.4</doctitle>
+                    <doctitle>WebMagic ${project.version}</doctitle>
                     <locale>en_US</locale>
 
                     <!-- avoid the issue: https://bugs.openjdk.java.net/browse/JDK-8212233 -->