diff --git a/contact-center/app/pom.xml b/contact-center/app/pom.xml
index 5d48d555..ba92d513 100644
--- a/contact-center/app/pom.xml
+++ b/contact-center/app/pom.xml
@@ -1,5 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.chatopera.cc</groupId>
     <artifactId>contact-center</artifactId>
@@ -17,17 +17,17 @@
     <build>
         <finalName>contact-center</finalName>
         <plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<executions>
-					<execution>
-						<goals>
-							<goal>repackage</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-resources-plugin</artifactId>
@@ -118,7 +118,7 @@
         <repository>
             <id>chatopera</id>
             <name>Chatopera Inc.</name>
-            <url>https://nexus.chatopera.com/repository/maven-public/</url>
+            <url>https://nexus.cskefu.com/repository/maven-public/</url>
             <releases>
                 <enabled>true</enabled>
             </releases>
diff --git a/contact-center/root/pom.xml b/contact-center/root/pom.xml
index cd9c25d9..e5f25d2a 100644
--- a/contact-center/root/pom.xml
+++ b/contact-center/root/pom.xml
@@ -1,5 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.chatopera.cc</groupId>
     <artifactId>cc-root</artifactId>
@@ -245,11 +245,11 @@
             <version>2.6.0</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
-		<dependency>
-		    <groupId>com.google.guava</groupId>
-		    <artifactId>guava</artifactId>
-		    <version>25.1-jre</version>
-		</dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>25.1-jre</version>
+        </dependency>
         <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
         <dependency>
             <groupId>com.google.code.gson</groupId>
@@ -379,14 +379,14 @@
         <dependency>
             <groupId>com.chatopera.bot</groupId>
             <artifactId>sdk</artifactId>
-            <version>3.1.0</version>
+            <version>3.3.1</version>
         </dependency>
     </dependencies>
     <repositories>
         <repository>
             <id>chatopera</id>
             <name>Chatopera Inc.</name>
-            <url>https://nexus.chatopera.com/repository/maven-public</url>
+            <url>https://nexus.cskefu.com/repository/maven-public</url>
             <releases>
                 <enabled>true</enabled>
             </releases>
@@ -400,12 +400,12 @@
         <repository>
             <id>chatopera-releases</id>
             <name>Chatopera Nexus Releases</name>
-            <url>https://nexus.chatopera.com/repository/maven-releases/</url>
+            <url>https://nexus.cskefu.com/repository/maven-releases/</url>
         </repository>
         <snapshotRepository>
             <id>chatopera-snapshots</id>
             <name>Chatopera Nexus Snapshots</name>
-            <url>https://nexus.chatopera.com/repository/maven-snapshots/</url>
+            <url>https://nexus.cskefu.com/repository/maven-snapshots/</url>
         </snapshotRepository>
     </distributionManagement>
 
diff --git a/public/plugins/chatbot/classes/ApiChatbotController.java b/public/plugins/chatbot/classes/ApiChatbotController.java
index d9feefd4..495c0c3d 100644
--- a/public/plugins/chatbot/classes/ApiChatbotController.java
+++ b/public/plugins/chatbot/classes/ApiChatbotController.java
@@ -16,6 +16,7 @@
 package com.chatopera.cc.plugins.chatbot;
 
 import com.chatopera.bot.exception.ChatbotException;
+import com.chatopera.bot.sdk.Response;
 import com.chatopera.cc.basic.Constants;
 import com.chatopera.cc.basic.MainUtils;
 import com.chatopera.cc.controller.Handler;
@@ -205,7 +206,9 @@ public class ApiChatbotController extends Handler {
         try {
             com.chatopera.bot.sdk.Chatbot bot = new com.chatopera.bot.sdk.Chatbot(
                     c.getClientId(), c.getSecret(), botServiecProvider);
-            if (bot.exists()) {
+            Response result = bot.command("GET", "/");
+
+            if (result.getRc() == 0) {
                 c.setEnabled(isEnabled);
                 chatbotRes.save(c);
 
@@ -327,24 +330,28 @@ public class ApiChatbotController extends Handler {
         try {
             com.chatopera.bot.sdk.Chatbot bot = new com.chatopera.bot.sdk.Chatbot(
                     c.getClientId(), c.getSecret(), botServiecProvider);
-            if (bot.exists()) {
+
+            Response result = bot.command("GET", "/");
+            logger.info("[update] bot details response {}", result.toJSON().toString());
+
+            if (result.getRc() == 0) {
                 resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_SUCC);
                 JsonObject data = new JsonObject();
                 data.addProperty("id", c.getId());
                 resp.add(RestUtils.RESP_KEY_DATA, data);
                 resp.addProperty(RestUtils.RESP_KEY_MSG, "更新成功。");
-                JSONObject botDetails = bot.details();
-                c.setDescription(botDetails.getJSONObject("data").getString("description"));
-                c.setFallback(botDetails.getJSONObject("data").getString("fallback"));
-                c.setWelcome(botDetails.getJSONObject("data").getString("welcome"));
-                invite.setAisuccesstip(botDetails.getJSONObject("data").getString("welcome"));
-                c.setName(botDetails.getJSONObject("data").getString("name"));
+                JSONObject botDetails = (JSONObject) result.getData();
+                c.setDescription(botDetails.getString("description"));
+                c.setFallback(botDetails.getString("fallback"));
+                c.setWelcome(botDetails.getString("welcome"));
+                invite.setAisuccesstip(botDetails.getString("welcome"));
+                c.setName(botDetails.getString("name"));
                 invite.setAiname(c.getName());
             } else {
                 resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_FAIL_6);
                 resp.addProperty(
                         RestUtils.RESP_KEY_ERROR,
-                        "Chatopera云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。提示：该机器人不存在，请先创建机器人, 登录 https://bot.chatopera.com");
+                        "Chatopera 云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。提示：该机器人不存在，请先创建机器人, 登录 https://bot.chatopera.com");
                 return resp;
             }
         } catch (ChatbotException e) {
@@ -352,7 +359,7 @@ public class ApiChatbotController extends Handler {
             resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_FAIL_5);
             resp.addProperty(
                     RestUtils.RESP_KEY_ERROR,
-                    "Chatopera云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。");
+                    "Chatopera 云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。");
             return resp;
         } catch (MalformedURLException e) {
             logger.error("bot request error", e);
@@ -541,22 +548,25 @@ public class ApiChatbotController extends Handler {
         }
 
         try {
-            logger.info("create bot with url {}", botServiecProvider);
+            logger.info("[create] bot with url {}", botServiecProvider);
             com.chatopera.bot.sdk.Chatbot bot = new com.chatopera.bot.sdk.Chatbot(clientId, secret, botServiecProvider);
 
-            if (bot.exists()) { // 该机器人存在，clientId 和 Secret配对成功
+            Response result = bot.command("GET", "/");
+            logger.info("[create] bot details response {}", result.toJSON().toString());
+
+            if (result.getRc() == 0) { // 该机器人存在，clientId 和 Secret配对成功
                 // 创建成功
                 Chatbot c = new Chatbot();
-                JSONObject botDetails = bot.details();
+                JSONObject botDetails = (JSONObject) result.getData();
                 c.setId(MainUtils.getUUID());
                 c.setClientId(clientId);
                 c.setSecret(secret);
                 c.setBaseUrl(botServiecProvider);
-                c.setDescription(botDetails.getJSONObject("data").getString("description"));
-                c.setFallback(botDetails.getJSONObject("data").getString("fallback"));
-                c.setPrimaryLanguage(botDetails.getJSONObject("data").getString("primaryLanguage"));
-                c.setName(botDetails.getJSONObject("data").getString("name"));
-                c.setWelcome(botDetails.getJSONObject("data").getString("welcome"));
+                c.setDescription(botDetails.getString("description"));
+                c.setFallback(botDetails.getString("fallback"));
+                c.setPrimaryLanguage(botDetails.getString("primaryLanguage"));
+                c.setName(botDetails.getString("name"));
+                c.setWelcome(botDetails.getString("welcome"));
                 c.setCreater(creater);
                 c.setOrgi(orgi);
                 c.setChannel(Constants.CHANNEL_TYPE_WEBIM);
@@ -590,7 +600,7 @@ public class ApiChatbotController extends Handler {
                 // 创建失败
                 resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_FAIL_6);
                 resp.addProperty(
-                        RestUtils.RESP_KEY_ERROR, "Chatopera云服务：该机器人不存在，请先创建机器人, 登录 https://bot.chatopera.com");
+                        RestUtils.RESP_KEY_ERROR, "Chatopera 云服务：该机器人不存在，请先创建机器人, 登录 https://bot.chatopera.com");
                 return resp;
             }
         } catch (ChatbotException e) {
@@ -598,12 +608,12 @@ public class ApiChatbotController extends Handler {
             resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_FAIL_5);
             resp.addProperty(
                     RestUtils.RESP_KEY_ERROR,
-                    "Chatopera云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。");
+                    "Chatopera 云服务：无法访问该机器人，请确认【1】该服务器可以访问互联网，【2】该聊天机器人已经创建，【3】clientId和Secret正确设置。");
             return resp;
         } catch (MalformedURLException e) {
             logger.error("bot request error", e);
             resp.addProperty(RestUtils.RESP_KEY_RC, RestUtils.RESP_RC_FAIL_4);
-            resp.addProperty(RestUtils.RESP_KEY_ERROR, "Chatopera云服务：不合法的聊天机器人服务URL。");
+            resp.addProperty(RestUtils.RESP_KEY_ERROR, "Chatopera 云服务：不合法的聊天机器人服务URL。");
             return resp;
         }
     }
diff --git a/public/plugins/chatbot/classes/ChatbotEventHandler.java b/public/plugins/chatbot/classes/ChatbotEventHandler.java
index a2bd356f..e174f56d 100644
--- a/public/plugins/chatbot/classes/ChatbotEventHandler.java
+++ b/public/plugins/chatbot/classes/ChatbotEventHandler.java
@@ -15,6 +15,7 @@
  */
 package com.chatopera.cc.plugins.chatbot;
 
+import com.chatopera.bot.sdk.Response;
 import com.chatopera.cc.acd.ACDServiceRouter;
 import com.chatopera.cc.basic.Constants;
 import com.chatopera.cc.basic.MainContext;
@@ -31,6 +32,7 @@ import com.chatopera.cc.socketio.message.Message;
 import com.chatopera.cc.socketio.util.IMServiceUtils;
 import com.chatopera.cc.util.IP;
 import com.chatopera.cc.util.IPTools;
+import com.chatopera.cc.util.SystemEnvHelper;
 import com.corundumstudio.socketio.AckRequest;
 import com.corundumstudio.socketio.SocketIOClient;
 import com.corundumstudio.socketio.SocketIOServer;
@@ -56,6 +58,9 @@ public class ChatbotEventHandler {
     private static ChatbotRepository chatbotRes;
     private static ChatbotProxy chatbotProxy;
 
+    private final static String botServiecProvider = SystemEnvHelper.getenv(
+            ChatbotConstants.BOT_PROVIDER, ChatbotConstants.DEFAULT_BOT_PROVIDER);
+
     @Autowired
     public ChatbotEventHandler(SocketIOServer server) {
         this.server = server;
@@ -107,14 +112,15 @@ public class ChatbotEventHandler {
                 if (invite != null) {
                     Chatbot chatbot = getChatbotRes().findOne(invite.getAiid());
                     com.chatopera.bot.sdk.Chatbot bot = new com.chatopera.bot.sdk.Chatbot(
-                            chatbot.getClientId(), chatbot.getSecret(), chatbot.getBaseUrl());
-                    JSONObject details = bot.details();
+                            chatbot.getClientId(), chatbot.getSecret(), botServiecProvider);
+
+                    Response result = bot.command("GET", "/");
 
                     // 发送欢迎语
-                    if (details.has("rc") &&
-                            details.getInt("rc") == 0) {
+                    if (result.getRc() == 0) {
                         ChatMessage welcome = new ChatMessage();
-                        String welcomeTextMessage = details.getJSONObject("data").getString("welcome");
+                        JSONObject details = (JSONObject) result.getData();
+                        String welcomeTextMessage = details.getString("welcome");
                         if (StringUtils.isNotBlank(welcomeTextMessage)) {
                             welcome.setCalltype(MainContext.CallType.OUT.toString());
                             welcome.setAppid(appid);