diff --git a/pom.xml b/pom.xml
index fb5e2acf..fcfb55ed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
         <version>7</version>
     </parent>
     <groupId>us.codecraft</groupId>
-    <version>0.5.2</version>
+    <version>0.5.3-SNAPSHOT</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <properties>
diff --git a/pom.xml.versionsBackup b/pom.xml.versionsBackup
new file mode 100644
index 00000000..fb5e2acf
--- /dev/null
+++ b/pom.xml.versionsBackup
@@ -0,0 +1,317 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.sonatype.oss</groupId>
+        <artifactId>oss-parent</artifactId>
+        <version>7</version>
+    </parent>
+    <groupId>us.codecraft</groupId>
+    <version>0.5.2</version>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <spring-version>4.0.0.RELEASE</spring-version>
+
+    </properties>
+    <artifactId>webmagic-parent</artifactId>
+    <name>webmagic-parent</name>
+    <description>
+        A crawler framework. It covers the whole lifecycle of crawler: downloading, url management, content
+        extraction and persistent. It can simply the development of a specific crawler.
+    </description>
+    <url>https://github.com/code4craft/webmagic/</url>
+    <developers>
+        <developer>
+            <id>code4craft</id>
+            <name>Yihua huang</name>
+            <email>code4crafer@gmail.com</email>
+        </developer>
+        <developer>
+            <id>yuany</id>
+            <name>Ligang Yao</name>
+            <email>ligang.yao@answers.com</email>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git@github.com:code4craft/webmagic.git</connection>
+        <developerConnection>scm:git:git@github.com:code4craft/webmagic.git</developerConnection>
+        <url>git@github.com:code4craft/webmagic.git</url>
+      <tag>HEAD</tag>
+  </scm>
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0</url>
+        </license>
+    </licenses>
+
+    <modules>
+        <module>webmagic-core</module>
+        <module>webmagic-extension/</module>
+        <module>webmagic-scripts/</module>
+        <module>webmagic-selenium</module>
+        <module>webmagic-saxon</module>
+        <module>webmagic-samples</module>
+        <!--<module>webmagic-avalon</module>-->
+    </modules>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>junit</groupId>
+                <artifactId>junit</artifactId>
+                <version>4.11</version>
+                <scope>test</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.httpcomponents</groupId>
+                <artifactId>httpclient</artifactId>
+                <version>4.3.3</version>
+            </dependency>
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+                <version>15.0</version>
+            </dependency>
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                <version>1.7.6</version>
+            </dependency>
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-log4j12</artifactId>
+                <version>1.7.6</version>
+            </dependency>
+            <dependency>
+                <groupId>us.codecraft</groupId>
+                <artifactId>xsoup</artifactId>
+                <version>0.3.1</version>
+            </dependency>
+            <dependency>
+                <groupId>com.alibaba</groupId>
+                <artifactId>fastjson</artifactId>
+                <version>1.1.37</version>
+            </dependency>
+            <dependency>
+                <groupId>com.github.dreamhead</groupId>
+                <artifactId>moco-core</artifactId>
+                <version>0.9.1</version>
+                <scope>test</scope>
+                <exclusions>
+                    <exclusion>
+                        <groupId>org.slf4j</groupId>
+                        <artifactId>slf4j-simple</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>log4j</groupId>
+                <artifactId>log4j</artifactId>
+                <version>1.2.17</version>
+            </dependency>
+            <dependency>
+                <groupId>org.assertj</groupId>
+                <artifactId>assertj-core</artifactId>
+                <version>1.5.0</version>
+                <scope>test</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.commons</groupId>
+                <artifactId>commons-lang3</artifactId>
+                <version>3.1</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-collections</groupId>
+                <artifactId>commons-collections</artifactId>
+                <version>3.2.1</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.commons</groupId>
+                <artifactId>commons-io</artifactId>
+                <version>1.3.2</version>
+            </dependency>
+            <dependency>
+                <groupId>org.jsoup</groupId>
+                <artifactId>jsoup</artifactId>
+                <version>1.8.3</version>
+            </dependency>
+            <dependency>
+                <groupId>org.mockito</groupId>
+                <artifactId>mockito-all</artifactId>
+                <version>1.9.5</version>
+                <scope>test</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.18</version>
+                <configuration>
+                    <forkMode>pertest</forkMode>
+                    <argLine>-Xms1024m -Xmx1024m -Xss1m </argLine>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <!--<plugin>-->
+                <!--<groupId>org.apache.maven.plugins</groupId>-->
+                <!--<artifactId>maven-dependency-plugin</artifactId>-->
+                <!--<version>2.8</version>-->
+                <!--<executions>-->
+                    <!--<execution>-->
+                        <!--<id>copy-dependencies</id>-->
+                        <!--<phase>package</phase>-->
+                        <!--<goals>-->
+                            <!--<goal>copy-dependencies</goal>-->
+                        <!--</goals>-->
+                        <!--<configuration>-->
+                            <!--<outputDirectory>${project.build.directory}/lib</outputDirectory>-->
+                            <!--<overWriteReleases>false</overWriteReleases>-->
+                            <!--<overWriteSnapshots>false</overWriteSnapshots>-->
+                            <!--<overWriteIfNewer>true</overWriteIfNewer>-->
+                        <!--</configuration>-->
+                    <!--</execution>-->
+                <!--</executions>-->
+            <!--</plugin>-->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>2.6</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>log4j.xml</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>2.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>2.9.1</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-release-plugin</artifactId>
+                <version>2.4.1</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <!-- Source -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-source-plugin</artifactId>
+                        <version>2.2.1</version>
+                        <executions>
+                            <execution>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jar-no-fork</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <!-- Javadoc -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                        <version>2.9.1</version>
+                        <executions>
+                            <execution>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <!-- GPG -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.5</version>
+                        <executions>
+                            <execution>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.sonatype.plugins</groupId>
+                        <artifactId>nexus-staging-maven-plugin</artifactId>
+                        <version>1.6</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <serverId>sonatype-nexus-staging</serverId>
+                            <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+            <distributionManagement>
+                <snapshotRepository>
+                    <id>sonatype-nexus-snapshots</id>
+                    <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+                </snapshotRepository>
+                <repository>
+                    <id>sonatype-nexus-staging</id>
+                    <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+                </repository>
+            </distributionManagement>
+        </profile>
+    </profiles>
+</project>
diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml
index b530bab4..7bf25318 100644
--- a/webmagic-core/pom.xml
+++ b/webmagic-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.5.2</version>
+        <version>0.5.3-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-core/pom.xml.versionsBackup b/webmagic-core/pom.xml.versionsBackup
new file mode 100644
index 00000000..b530bab4
--- /dev/null
+++ b/webmagic-core/pom.xml.versionsBackup
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>us.codecraft</groupId>
+        <artifactId>webmagic-parent</artifactId>
+        <version>0.5.2</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>webmagic-core</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>xsoup</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.github.dreamhead</groupId>
+            <artifactId>moco-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-collections</groupId>
+            <artifactId>commons-collections</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jsoup</groupId>
+            <artifactId>jsoup</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.jayway.jsonpath</groupId>
+            <artifactId>json-path</artifactId>
+            <version>0.8.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+        </dependency>
+
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml
index 47496eca..2060e35d 100644
--- a/webmagic-extension/pom.xml
+++ b/webmagic-extension/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.5.2</version>
+        <version>0.5.3-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-extension/pom.xml.versionsBackup b/webmagic-extension/pom.xml.versionsBackup
new file mode 100644
index 00000000..47496eca
--- /dev/null
+++ b/webmagic-extension/pom.xml.versionsBackup
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>us.codecraft</groupId>
+        <artifactId>webmagic-parent</artifactId>
+        <version>0.5.2</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>webmagic-extension</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>redis.clients</groupId>
+            <artifactId>jedis</artifactId>
+            <version>2.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/webmagic-samples/pom.xml b/webmagic-samples/pom.xml
index eeea865c..1a3aad92 100644
--- a/webmagic-samples/pom.xml
+++ b/webmagic-samples/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.2</version>
+        <version>0.5.3-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-samples/pom.xml.versionsBackup b/webmagic-samples/pom.xml.versionsBackup
new file mode 100644
index 00000000..eeea865c
--- /dev/null
+++ b/webmagic-samples/pom.xml.versionsBackup
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>webmagic-parent</artifactId>
+        <groupId>us.codecraft</groupId>
+        <version>0.5.2</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>webmagic-samples</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-extension</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-dependencies</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
+                            <overWriteReleases>false</overWriteReleases>
+                            <overWriteSnapshots>false</overWriteSnapshots>
+                            <overWriteIfNewer>true</overWriteIfNewer>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.4</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <classpathPrefix>./lib/</classpathPrefix>
+                            <mainClass>us.codecraft.webmagic.main.QuickStarter</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/webmagic-saxon/pom.xml b/webmagic-saxon/pom.xml
index 7f7e9355..bc6c0b1f 100644
--- a/webmagic-saxon/pom.xml
+++ b/webmagic-saxon/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.2</version>
+        <version>0.5.3-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-saxon/pom.xml.versionsBackup b/webmagic-saxon/pom.xml.versionsBackup
new file mode 100644
index 00000000..7f7e9355
--- /dev/null
+++ b/webmagic-saxon/pom.xml.versionsBackup
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>webmagic-parent</artifactId>
+        <groupId>us.codecraft</groupId>
+        <version>0.5.2</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>webmagic-saxon</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sourceforge.htmlcleaner</groupId>
+            <artifactId>htmlcleaner</artifactId>
+            <version>2.5</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sf.saxon</groupId>
+            <artifactId>Saxon-HE</artifactId>
+            <version>9.5.1-1</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/webmagic-scripts/pom.xml b/webmagic-scripts/pom.xml
index d9a6fbe0..c4e7f3fe 100755
--- a/webmagic-scripts/pom.xml
+++ b/webmagic-scripts/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.2</version>
+        <version>0.5.3-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-scripts/pom.xml.versionsBackup b/webmagic-scripts/pom.xml.versionsBackup
new file mode 100644
index 00000000..d9a6fbe0
--- /dev/null
+++ b/webmagic-scripts/pom.xml.versionsBackup
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>webmagic-parent</artifactId>
+        <groupId>us.codecraft</groupId>
+        <version>0.5.2</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>us.codecraft</groupId>
+    <artifactId>webmagic-scripts</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jruby</groupId>
+            <artifactId>jruby</artifactId>
+            <version>1.7.6</version>
+        </dependency>
+        <dependency><groupId>org.python</groupId>
+            <artifactId>jython</artifactId>
+            <version>2.5.3</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>us.codecraft</groupId>
+            <artifactId>webmagic-extension</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <classpathPrefix>./lib/</classpathPrefix>
+                            <mainClass>us.codecraft.webmagic.scripts.ScriptConsole</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>
\ No newline at end of file
diff --git a/webmagic-selenium/pom.xml b/webmagic-selenium/pom.xml
index 8fbd8664..8918f84b 100644
--- a/webmagic-selenium/pom.xml
+++ b/webmagic-selenium/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>webmagic-parent</artifactId>
 		<groupId>us.codecraft</groupId>
-		<version>0.5.2</version>
+		<version>0.5.3-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-selenium/pom.xml.versionsBackup b/webmagic-selenium/pom.xml.versionsBackup
new file mode 100644
index 00000000..8fbd8664
--- /dev/null
+++ b/webmagic-selenium/pom.xml.versionsBackup
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<parent>
+		<artifactId>webmagic-parent</artifactId>
+		<groupId>us.codecraft</groupId>
+		<version>0.5.2</version>
+	</parent>
+	<modelVersion>4.0.0</modelVersion>
+
+	<artifactId>webmagic-selenium</artifactId>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.seleniumhq.selenium</groupId>
+			<artifactId>selenium-java</artifactId>
+			<version>2.46.0</version>
+		</dependency>
+		<dependency>
+			<groupId>us.codecraft</groupId>
+			<artifactId>webmagic-core</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.github.detro</groupId>
+			<artifactId>phantomjsdriver</artifactId>
+			<version>1.2.0</version>
+		</dependency>
+
+
+
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-deploy-plugin</artifactId>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
\ No newline at end of file