add pmd in
diff --git a/pom.xml b/pom.xml
index 037d207..02f070f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -478,6 +478,19 @@
<ignore />
</action>
</pluginExecution>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-pmd-plugin</artifactId>
+ <versionRange>[2.7.1,)</versionRange>
+ <goals>
+ <goal>check</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>