add maven clean plugin #283
diff --git a/dubbo-admin-backend/pom.xml b/dubbo-admin-backend/pom.xml
index 134a559..9783a33 100644
--- a/dubbo-admin-backend/pom.xml
+++ b/dubbo-admin-backend/pom.xml
@@ -140,6 +140,16 @@
                 <version>2.0.2.RELEASE</version>
             </plugin>
             <plugin>
+                <artifactId>maven-clean-plugin</artifactId>
+                <configuration>
+                    <filesets>
+                        <fileset>
+                            <directory>src/main/resources/public</directory>
+                        </fileset>
+                    </filesets>
+                </configuration>
+            </plugin>
+            <plugin>
                 <artifactId>maven-resources-plugin</artifactId>
                 <executions>
                     <execution>