diff --git a/README.md b/README.md
index 38dc097..50fc7e8 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,13 @@ A Simple Recommendation Web Service
     $ cd romar
     $ mvn
 
+## Compute Item Similarity with HADOOP
+
+    $ run bin/runHadoop.sh
+默认使用Hadoop local方式执行<br/>
+将core-site.xml hdfs-site.xml mapred-site.xml 放在conf/目录下即可提交任务到Hadoop集群执行
+
+
 ## Copyright & License
 
 Licensed under the [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html)
diff --git a/bin/runHadoop.sh b/bin/runHadoop.sh
new file mode 100644
index 0000000..a4a52e4
--- /dev/null
+++ b/bin/runHadoop.sh
@@ -0,0 +1,12 @@
+cd $(dirname $0)/
+cd ..
+ROMAR_HOME=`pwd`
+
+java -cp \
+    $ROMAR_HOME/romar-core-1.1.0-snapshot-jar-with-dependencies.jar:\
+    $ROMAR_HOME/lib/hadoop-core-0.20.204.0.jar:\
+    $ROMAR_HOME/conf \
+    org.apache.hadoop.util.RunJar \
+    romar-core-1.1.0-snapshot-jar-with-dependencies.jar  \
+    org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityJob \
+    $@
diff --git a/pom.xml b/pom.xml
index 09df0f3..65d2925 100644
--- a/pom.xml
+++ b/pom.xml
@@ -64,10 +64,9 @@
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
                 <configuration>
-                    <appendAssemblyId>false</appendAssemblyId>
                     <descriptors>
-                        <descriptor>src/assembly/all.xml
-                    </descriptor>
+                        <descriptor>src/assembly/jar-with-dependencies.xml</descriptor>
+                        <descriptor>src/assembly/all.xml</descriptor>
                     </descriptors>
                 </configuration>
                 <executions>
@@ -100,11 +99,11 @@
                     <downloadJavadocs>false</downloadJavadocs>
                 </configuration>
             </plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.10</version>
-			</plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.10</version>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/src/assembly/all.xml b/src/assembly/all.xml
index 2d37291..f4b6c03 100644
--- a/src/assembly/all.xml
+++ b/src/assembly/all.xml
@@ -17,7 +17,6 @@
             <excludes>
                 <exclude>com.anjuke.romar:romar-core</exclude>
             </excludes>
-
         </dependencySet>
     </dependencySets>
 
@@ -55,6 +54,8 @@
             <outputDirectory></outputDirectory>
             <includes>
                 <include>${project.build.finalName}.jar</include>
+                <include>${project.build.finalName}-jar-with-dependencies.jar
+                </include>
             </includes>
         </fileSet>
     </fileSets>
diff --git a/src/assembly/jar-with-dependencies.xml b/src/assembly/jar-with-dependencies.xml
new file mode 100644
index 0000000..9c8725f
--- /dev/null
+++ b/src/assembly/jar-with-dependencies.xml
@@ -0,0 +1,24 @@
+<assembly
+    xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+    <!-- TODO: a jarjar format would be better -->
+    <id>jar-with-dependencies</id>
+    <formats>
+        <format>jar</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <dependencySets>
+        <dependencySet>
+            <outputDirectory>/</outputDirectory>
+            <useProjectArtifact>true</useProjectArtifact>
+            <unpack>true</unpack>
+            <scope>runtime</scope>
+            <excludes>
+                <exclude>com.sun.jersey:*</exclude>
+                <exclude>org.eclipse.jetty:*</exclude>
+                <exclude>org.apache.hadoop:hadoop-core</exclude>
+            </excludes>
+        </dependencySet>
+    </dependencySets>
+</assembly>