diff --git a/src/main/java/com/lion/snss/message/AbstractMessage.java b/src/main/java/com/lion/snss/message/AbstractMessage.java
index 7af2774..f798d06 100644
--- a/src/main/java/com/lion/snss/message/AbstractMessage.java
+++ b/src/main/java/com/lion/snss/message/AbstractMessage.java
@@ -26,6 +26,7 @@ public class AbstractMessage {
     public static final int SHARE_FILE_QUERY_MESSAGE = 73;
     public static final int CONFIG_MESSAGE = 80;
     public static final int CONNECT_MESSAGE = 90;
+    public static final int DELAY_TEST_MESSAGE = 91;
 
     public int messageType;
     public int messageId;
diff --git a/src/main/java/com/lion/snss/message/DelayTestMessage.java b/src/main/java/com/lion/snss/message/DelayTestMessage.java
new file mode 100644
index 0000000..ccfbccd
--- /dev/null
+++ b/src/main/java/com/lion/snss/message/DelayTestMessage.java
@@ -0,0 +1,11 @@
+package com.lion.snss.message;
+
+import lombok.Data;
+
+@Data
+public class DelayTestMessage extends AbstractMessage{
+    {
+        messageType = DELAY_TEST_MESSAGE;
+    }
+    String ip;
+}
diff --git a/src/main/java/com/lion/snss/message/MessageCodec.java b/src/main/java/com/lion/snss/message/MessageCodec.java
index 121e340..325e7d1 100644
--- a/src/main/java/com/lion/snss/message/MessageCodec.java
+++ b/src/main/java/com/lion/snss/message/MessageCodec.java
@@ -56,6 +56,7 @@ public class MessageCodec extends ByteToMessageCodec<AbstractMessage> {
             case AbstractMessage.SHARE_FILE_QUERY_MESSAGE -> objectMapper.readValue(bytes, ShareFileQueryMessage.class);
             case AbstractMessage.CONFIG_MESSAGE -> objectMapper.readValue(bytes, ConfigMessage.class);
             case AbstractMessage.CONNECT_MESSAGE -> objectMapper.readValue(bytes, ConnectMessage.class);
+            case AbstractMessage.DELAY_TEST_MESSAGE -> objectMapper.readValue(bytes, DelayTestMessage.class);
             default -> throw new IllegalStateException("Unexpected value: " + type);
         };
 
diff --git a/src/main/java/com/lion/snss/message/ResponseMessage.java b/src/main/java/com/lion/snss/message/ResponseMessage.java
index 6c68c82..555f92e 100644
--- a/src/main/java/com/lion/snss/message/ResponseMessage.java
+++ b/src/main/java/com/lion/snss/message/ResponseMessage.java
@@ -13,7 +13,7 @@ public class ResponseMessage extends AbstractMessage{
     boolean result;
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    HashMap<String, String> data;
+    HashMap<String, Object> data;
 
     public ResponseMessage(){
         data = new HashMap<>();
@@ -24,25 +24,28 @@ public class ResponseMessage extends AbstractMessage{
         data = new HashMap<>();
     }
 
-    public void setDataAndResult(String data, boolean result){
+    public ResponseMessage setDataAndResult(String data, boolean result){
         this.result = result;
         if(result){
             this.data.put("data", data);
         }else{
             this.data.put("cause", data);
         }
+        return this;
     }
 
-    public void put(String key, String value){
+    public ResponseMessage put(String key, String value){
         data.put(key, value);
+        return this;
     }
 
-    public void put(String key, Object o){
+    public ResponseMessage put(String key, Object o){
         data.put(key, String.valueOf(o));
+        return this;
     }
 
     public String get(String key){
-        return data.get(key);
+        return data.get(key).toString();
     }
 
     public ResponseMessage success(String data) {
diff --git a/src/main/java/com/lion/snss/service/CommunicateToMainService.java b/src/main/java/com/lion/snss/service/CommunicateToMainService.java
index ffdbf90..502eca3 100644
--- a/src/main/java/com/lion/snss/service/CommunicateToMainService.java
+++ b/src/main/java/com/lion/snss/service/CommunicateToMainService.java
@@ -27,6 +27,7 @@ import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
 import org.springframework.stereotype.Service;
 
 import java.io.*;
+import java.net.Inet4Address;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
@@ -447,6 +448,10 @@ public class CommunicateToMainService {
                         throw new RuntimeException(e);
                     }
                 }
+                case AbstractMessage.DELAY_TEST_MESSAGE -> {
+                    DelayTestMessage delayTestMessage = (DelayTestMessage) abstractMessage;
+                    ctx.channel().writeAndFlush(delayTestToIp(delayTestMessage));
+                }
             }
         }
 
@@ -1244,5 +1249,33 @@ public class CommunicateToMainService {
             dynamicConfigMessage.updateUserStorage(user);
             channelFuture.channel().writeAndFlush(dynamicConfigMessage);
         }
+
+        private ResponseMessage delayTestToIp(DelayTestMessage delayTestMessage) {
+            ResponseMessage response = new ResponseMessage(delayTestMessage.getMessageId());
+            long sum = 0;
+            long[] data = new long[6];
+            for(int i=0; i<5; i++){
+                try {
+                    long start = System.currentTimeMillis();
+                    if(!Inet4Address.getByName(ip).isReachable(5000)) {
+                        data[i] = -1;
+                        continue;
+                    }
+                    long duration = System.currentTimeMillis() - start;
+                    if(duration == 0)
+                        duration = 1;
+                    data[i] = duration;
+                    sum += duration;
+                } catch (IOException e) {
+                    response.failure("该ip无法连接或连接超时");
+                    return response;
+                }
+            }
+            if(sum == 0)
+                return response.failure("该ip无法连接或连接超时");
+            else
+                data[5] = sum / 5;
+            return response.put("data", Arrays.toString(data)).success();
+        }
     }
 }