diff --git a/pom.xml b/pom.xml
index 95fe266..8d1aa2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,15 +41,9 @@
       </exclusions>
     </dependency>
     <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>jcl-over-slf4j</artifactId>
-      <version>${slf4j.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-simple</artifactId>
-      <version>${slf4j.version}</version>
-      <scope>runtime</scope>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+      <version>2.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
@@ -77,16 +71,6 @@
       <artifactId>commons-text</artifactId>
       <version>1.9</version>
     </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-api</artifactId>
-      <version>${slf4j.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>ch.qos.logback</groupId>
-      <artifactId>logback-core</artifactId>
-      <version>1.2.3</version>
-    </dependency>
     <dependency>
       <groupId>org.cyclopsgroup</groupId>
       <artifactId>jcli</artifactId>
@@ -97,6 +81,22 @@
       <artifactId>jline</artifactId>
       <version>3.5.2</version>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <version>${slf4j.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>${slf4j.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-simple</artifactId>
+      <version>${slf4j.version}</version>
+      <scope>runtime</scope>
+    </dependency>
     <dependency>
       <groupId>org.jmock</groupId>
       <artifactId>jmock</artifactId>
@@ -115,11 +115,6 @@
       <version>4.12</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>commons-io</groupId>
-      <artifactId>commons-io</artifactId>
-      <version>2.6</version>
-    </dependency>
   </dependencies>
   <scm>
     <connection>scm:git:git@github.com:jiaqi/jmxterm.git</connection>
@@ -179,10 +174,10 @@
             <phase>site</phase>
             <configuration>
               <tasks>
-                <echo message="Copy file..." />
+                <echo message="Copy file..."/>
                 <copy todir="${basedir}/target/site">
                   <fileset dir="${basedir}/target"
-                    includes="jmxterm-*-uber.jar" />
+                    includes="jmxterm-*-uber.jar"/>
                 </copy>
               </tasks>
             </configuration>
@@ -298,7 +293,7 @@
                     </goals>
                   </pluginExecutionFilter>
                   <action>
-                    <ignore />
+                    <ignore/>
                   </action>
                 </pluginExecution>
               </pluginExecutions>