diff --git a/contact-center/app/pom.xml b/contact-center/app/pom.xml
index 82070c5a..3313220e 100644
--- a/contact-center/app/pom.xml
+++ b/contact-center/app/pom.xml
@@ -375,6 +375,13 @@
             <artifactId>sdk</artifactId>
             <version>2.1.0</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
     </dependencies>
 
     <build>
diff --git a/contact-center/app/src/main/java/com/chatopera/cc/config/WebServerContainerConfigure.java b/contact-center/app/src/main/java/com/chatopera/cc/config/WebServerContainerConfigure.java
index 256c194c..7958286e 100644
--- a/contact-center/app/src/main/java/com/chatopera/cc/config/WebServerContainerConfigure.java
+++ b/contact-center/app/src/main/java/com/chatopera/cc/config/WebServerContainerConfigure.java
@@ -1,69 +1,60 @@
-/*
- * Copyright (C) 2017 优客服-多渠道客服系统
- * Modifications copyright (C) 2018-2019 Chatopera Inc, <https://www.chatopera.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.chatopera.cc.config;
-
-import org.apache.catalina.connector.Connector;
-import org.apache.coyote.http11.Http11NioProtocol;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
-import org.springframework.boot.context.embedded.tomcat.TomcatConnectorCustomizer;
-import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import java.io.IOException;
-import java.security.NoSuchAlgorithmException;
-
-@Configuration
-public class WebServerContainerConfigure {
-
-    @Value("${server.threads.max}")
-    private Integer maxthread;
-
-    @Value("${server.connection.max}")
-    private Integer maxconnections;
-
-    @Value("${web.upload-path}")
-    private String path;
-
-    @Bean
-    public EmbeddedServletContainerFactory createEmbeddedServletContainerFactory() throws IOException, NoSuchAlgorithmException {
-        TomcatEmbeddedServletContainerFactory tomcatFactory = new TomcatEmbeddedServletContainerFactory();
-        tomcatFactory.addConnectorCustomizers(new CSKeFuTomcatConnectorCustomizer(maxthread, maxconnections));
-        return tomcatFactory;
-    }
-
-    class CSKeFuTomcatConnectorCustomizer implements TomcatConnectorCustomizer {
-        private Integer maxthread;
-        private Integer maxconnection;
-
-        CSKeFuTomcatConnectorCustomizer(Integer maxthread, Integer maxconnection) {
-            this.maxthread = maxthread;
-            this.maxconnection = maxconnection;
-        }
-
-        public void customize(Connector connector) {
-            Http11NioProtocol protocol = (Http11NioProtocol) connector.getProtocolHandler();
-            //设置最大连接数
-            protocol.setMaxConnections(maxthread != null ? maxthread : 2000);
-            //设置最大线程数
-            protocol.setMaxThreads(maxconnection != null ? maxconnection : 2000);
-            protocol.setConnectionTimeout(30000);
-        }
-    }
-}
-
+/*
+ * Copyright (C) 2017 优客服-多渠道客服系统
+ * Modifications copyright (C) 2018-2019 Chatopera Inc, <https://www.chatopera.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.chatopera.cc.config;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.catalina.connector.Connector;
+import org.apache.coyote.http11.Http11NioProtocol;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.embedded.tomcat.ConfigurableTomcatWebServerFactory;
+import org.springframework.boot.web.embedded.tomcat.TomcatConnectorCustomizer;
+import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class WebServerContainerConfigure {
+
+    @Value("${server.threads.max}")
+    private Integer maxThread;
+
+    @Value("${server.connection.max}")
+    private Integer maxConnections;
+
+    @Bean
+    public ConfigurableTomcatWebServerFactory createEmbeddedServletContainerFactory() {
+        ConfigurableTomcatWebServerFactory tomcatFactory = new TomcatServletWebServerFactory();
+        tomcatFactory.addConnectorCustomizers(new CSKeFuTomcatConnectorCustomizer(maxThread, maxConnections));
+        return tomcatFactory;
+    }
+
+    @RequiredArgsConstructor
+    private static class CSKeFuTomcatConnectorCustomizer implements TomcatConnectorCustomizer {
+        private final Integer maxThread;
+        private final Integer maxConnection;
+
+        public void customize(Connector connector) {
+            Http11NioProtocol protocol = (Http11NioProtocol) connector.getProtocolHandler();
+            //设置最大连接数
+            protocol.setMaxConnections(maxThread != null ? maxThread : 2000);
+            //设置最大线程数
+            protocol.setMaxThreads(maxConnection != null ? maxConnection : 2000);
+            protocol.setConnectionTimeout(30000);
+        }
+    }
+}
+