diff --git a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/jetty/JettyHttpBinder.java b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/jetty/JettyHttpBinder.java
index b75eabd910fb37e5ddf026e2cb9c0ebf131d3181..e8e021e888ffb2130a4cfcadc8c8e5c69baabbb0 100644
--- a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/jetty/JettyHttpBinder.java
+++ b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/jetty/JettyHttpBinder.java
@@ -26,6 +26,7 @@ import com.alibaba.dubbo.remoting.http.HttpServer;
  */
 public class JettyHttpBinder implements HttpBinder {
 
+    @Override
     public HttpServer bind(URL url, HttpHandler handler) {
         return new JettyHttpServer(url, handler);
     }
diff --git a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/servlet/BootstrapListener.java b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/servlet/BootstrapListener.java
index 8407405e3ddfd144135127d59f84802605981177..eb2d78d09476677e6a6dff2beea67d5062bb231e 100644
--- a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/servlet/BootstrapListener.java
+++ b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/servlet/BootstrapListener.java
@@ -25,11 +25,14 @@ import javax.servlet.ServletContextListener;
  */
 public class BootstrapListener implements ServletContextListener {
 
+    @Override
     public void contextInitialized(ServletContextEvent servletContextEvent) {
         ServletManager.getInstance().addServletContext(ServletManager.EXTERNAL_SERVER_PORT, servletContextEvent.getServletContext());
     }
 
+    @Override
     public void contextDestroyed(ServletContextEvent servletContextEvent) {
         ServletManager.getInstance().removeServletContext(ServletManager.EXTERNAL_SERVER_PORT);
     }
+
 }
diff --git a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpBinder.java b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpBinder.java
index 8ff017e029d00775c1bcb5349a6b358a08f239a1..9bcf7aeae6f91a10639aa47139fb81c0891fca86 100755
--- a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpBinder.java
+++ b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpBinder.java
@@ -23,6 +23,7 @@ import com.alibaba.dubbo.remoting.http.HttpServer;
 
 public class TomcatHttpBinder implements HttpBinder {
 
+    @Override
     public HttpServer bind(URL url, HttpHandler handler) {
         return new TomcatHttpServer(url, handler);
     }
diff --git a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpServer.java b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpServer.java
index 7ed61f904607d9fdb73da0b6bd109a43dcd1eebe..17fb53357e38fa3f75ecdf7223ab111a69b3dc7c 100755
--- a/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpServer.java
+++ b/dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/tomcat/TomcatHttpServer.java
@@ -48,13 +48,11 @@ public class TomcatHttpServer extends AbstractHttpServer {
         tomcat = new Tomcat();
         tomcat.setBaseDir(baseDir);
         tomcat.setPort(url.getPort());
-        tomcat.getConnector().setProperty(
-                "maxThreads", String.valueOf(url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS)));
+        tomcat.getConnector().setProperty("maxThreads", String.valueOf(url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS)));
 //        tomcat.getConnector().setProperty(
 //                "minSpareThreads", String.valueOf(url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS)));
 
-        tomcat.getConnector().setProperty(
-                "maxConnections", String.valueOf(url.getParameter(Constants.ACCEPTS_KEY, -1)));
+        tomcat.getConnector().setProperty("maxConnections", String.valueOf(url.getParameter(Constants.ACCEPTS_KEY, -1)));
 
         tomcat.getConnector().setProperty("URIEncoding", "UTF-8");
         tomcat.getConnector().setProperty("connectionTimeout", "60000");