diff --git a/common/src/main/java/cn/wildfirechat/common/APIPath.java b/common/src/main/java/cn/wildfirechat/common/APIPath.java
index 413e182a..9c51cba7 100644
--- a/common/src/main/java/cn/wildfirechat/common/APIPath.java
+++ b/common/src/main/java/cn/wildfirechat/common/APIPath.java
@@ -116,6 +116,8 @@ public interface APIPath {
     String Robot_User_Info = "/robot/user_info";
     String Robot_Get_Profile = "/robot/profile";
     String Robot_Message_Send = "/robot/message/send";
+    String Robot_Message_Recall = "/robot/message/recall";
+    String Robot_Message_Update = "/robot/message/update";
     String Robot_Set_Callback = "/robot/set_callback";
     String Robot_Get_Callback = "/robot/get_callback";
     String Robot_Delete_Callback = "/robot/delete_callback";
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
index ebe95f84..5e1e34b0 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
@@ -982,7 +982,7 @@ public class Main {
             System.exit(-1);
         }
 
-        IMResult<OutputUserChatroom>  userChatroomIMResult = ChatroomAdmin.getUserChatroom("hygqmws2k");
+        IMResult<OutputUserChatroom>  userChatroomIMResult = ChatroomAdmin.getUserChatroom("uygqmws2k");
         if(userChatroomIMResult != null && (userChatroomIMResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS || userChatroomIMResult.getErrorCode() == ErrorCode.ERROR_CODE_NOT_EXIST)) {
             System.out.println("get user chatroom success");
         } else {
@@ -1181,7 +1181,7 @@ public class Main {
         payload.setType(1);
         payload.setSearchableContent("hello world");
 
-        IMResult<SendMessageResult> resultRobotSendMessage = robotService.sendMessage("robot1", conversation, payload);
+        IMResult<SendMessageResult> resultRobotSendMessage = robotService.sendMessage(robotService.getRobotId(), conversation, payload);
         if (resultRobotSendMessage != null && resultRobotSendMessage.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
             System.out.println("robot send message success");
         } else {
@@ -1189,6 +1189,37 @@ public class Main {
             System.exit(-1);
         }
 
+        if(commercialServer) {
+            Thread.sleep(1000);
+            IMResult<String> recallMessageResult = robotService.recallMessage(resultRobotSendMessage.result.getMessageUid());
+            if (recallMessageResult != null && recallMessageResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
+                System.out.println("robot recall message success");
+            } else {
+                System.out.println("robot recall message failure");
+                System.exit(-1);
+            }
+
+            payload.setSearchableContent("hello world, hello world");
+            resultRobotSendMessage = robotService.sendMessage(robotService.getRobotId(), conversation, payload);
+            if (resultRobotSendMessage != null && resultRobotSendMessage.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
+                System.out.println("robot send message success");
+            } else {
+                System.out.println("robot send message failure");
+                System.exit(-1);
+            }
+
+            Thread.sleep(1000);
+            payload.setSearchableContent("hello world, updated message content");
+            IMResult<Void> updateMessageResult = robotService.updateMessage(resultRobotSendMessage.result.getMessageUid(), payload);
+            if (updateMessageResult != null && updateMessageResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
+                System.out.println("robot update message success");
+            } else {
+                System.out.println("robot update message failure");
+                System.exit(-1);
+            }
+        }
+
+
         IMResult<InputOutputUserInfo> resultRobotGetUserInfo = robotService.getUserInfo("userId1");
         if (resultRobotGetUserInfo != null && resultRobotGetUserInfo.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
             System.out.println("robot get user info success");
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/RobotService.java b/sdk/src/main/java/cn/wildfirechat/sdk/RobotService.java
index 69e008e0..3d582fdc 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/RobotService.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/RobotService.java
@@ -17,6 +17,10 @@ public class RobotService {
         robotHttpUtils = new RobotHttpUtils(url, robotId, robotSecret);
     }
 
+    public String getRobotId() {
+        return robotHttpUtils.getRobotId();
+    }
+
     public IMResult<SendMessageResult> sendMessage(String sender, Conversation conversation, MessagePayload payload) throws Exception {
         String path = APIPath.Robot_Message_Send;
         SendMessageData messageData = new SendMessageData();
@@ -26,6 +30,23 @@ public class RobotService {
         return robotHttpUtils.httpJsonPost(path, messageData, SendMessageResult.class);
     }
 
+    public IMResult<String> recallMessage(long messageUid) throws Exception {
+        String path = APIPath.Robot_Message_Recall;
+        RecallMessageData messageData = new RecallMessageData();
+        messageData.setMessageUid(messageUid);
+        return robotHttpUtils.httpJsonPost(path, messageData, String.class);
+    }
+
+    public IMResult<Void> updateMessage(long messageUid, MessagePayload payload) throws Exception {
+        String path = APIPath.Robot_Message_Update;
+        UpdateMessageContentData updateMessageContentData = new UpdateMessageContentData();
+        updateMessageContentData.setMessageUid(messageUid);
+        updateMessageContentData.setPayload(payload);
+        updateMessageContentData.setUpdateTimestamp(0);
+        updateMessageContentData.setDistribute(1);
+        return robotHttpUtils.httpJsonPost(path, updateMessageContentData, Void.class);
+    }
+
     public IMResult<InputOutputUserInfo> getUserInfo(String userId) throws Exception {
         String path = APIPath.Robot_User_Info;
         InputGetUserInfo getUserInfo = new InputGetUserInfo(userId, null, null);