diff --git a/Assets/Scripts/Studio/UI/Panel_MQTTTestResult.cs b/Assets/Scripts/Studio/UI/Panel_MQTTTestResult.cs
index d1282c2e..d81620f5 100644
--- a/Assets/Scripts/Studio/UI/Panel_MQTTTestResult.cs
+++ b/Assets/Scripts/Studio/UI/Panel_MQTTTestResult.cs
@@ -17,6 +17,9 @@ namespace Studio.UI
         public ScrollRect scrollView_TopicResults;
         public UI_MQTTTestResultItem prf_MQTTTestResultItem;
         public Button button_Close;
+
+        private DateTime requestTime;
+
         public struct MQTTTestResult
         {
             public string topic;
@@ -48,6 +51,7 @@ namespace Studio.UI
         public void Open(string domain, string port)
         {
             Debug.Log($"Open MQTT Test Result Panel. Domain: {domain}, Port: {port}");
+            requestTime = DateTime.Now;
             Item_Domain.SetValue(domain);
             Item_Port.SetValue(port);
             gameObject.SetActive(true);
@@ -65,7 +69,7 @@ namespace Studio.UI
             }
 
             var item = Instantiate(prf_MQTTTestResultItem, scrollView_TopicResults.content);
-            item.SetResult(result.topic, result.message, result.payload);
+            item.SetResult(result.topic, result.message, result.payload, requestTime, DateTime.Now);
             item.transform.SetParent(scrollView_TopicResults.content);
             items.Add(item);
         }
diff --git a/Assets/Scripts/Studio/UI/UI_MQTTTestResultItem.cs b/Assets/Scripts/Studio/UI/UI_MQTTTestResultItem.cs
index 6f6b7a7f..eb41c57c 100644
--- a/Assets/Scripts/Studio/UI/UI_MQTTTestResultItem.cs
+++ b/Assets/Scripts/Studio/UI/UI_MQTTTestResultItem.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using TMPro;
 using TriLibCore.Extensions;
 using UnityEngine;
@@ -13,6 +14,9 @@ namespace Studio.UI
         public Transform Item_Topic;
         public UVCKeyValueItem Item_TopicPayload;
         public UVCKeyValueItem Item_TopicPacketSize;
+        public UVCKeyValueItem Item_LastRequestTime;
+        public UVCKeyValueItem Item_LastResponseTime;
+        public UVCKeyValueItem Item_LastSpandTime;
         public Button expand;
         public Button refresh;
 
@@ -21,7 +25,9 @@ namespace Studio.UI
             Item_Topic = transform.DeepFind<Transform>(nameof(Item_Topic));
             Item_TopicPayload = transform.DeepFind<UVCKeyValueItem>(nameof(Item_TopicPayload));
             Item_TopicPacketSize = transform.DeepFind<UVCKeyValueItem>(nameof(Item_TopicPacketSize));
-
+            Item_LastRequestTime = transform.DeepFind<UVCKeyValueItem>(nameof(Item_LastRequestTime));
+            Item_LastResponseTime = transform.DeepFind<UVCKeyValueItem>(nameof(Item_LastResponseTime));
+            Item_LastSpandTime = transform.DeepFind<UVCKeyValueItem>(nameof(Item_LastSpandTime));
             refresh = Item_Topic.GetComponentInChildren<Button>();
             expand = Item_TopicPayload.GetComponentInChildren<Button>();
             expand.onClick.AddListener(OnClickExpandPayloadView);
@@ -32,17 +38,42 @@ namespace Studio.UI
             throw new NotImplementedException();
         }
 
-        internal void SetResult(string topic, string message, string payload)
+        internal void SetResult(string topic, string message, string payload, DateTime requestTime, DateTime responseTime)
         {
             Debug.Log($"Set MQTT Test Result Item. Topic: {topic}, Message: {message}, Payload Length: {payload.Length}");
-            if(Item_Topic == null || Item_TopicPayload == null || Item_TopicPacketSize == null)
+            if (Item_Topic == null || Item_TopicPayload == null || Item_TopicPacketSize == null ||
+                Item_LastRequestTime == null || Item_LastResponseTime == null || Item_LastSpandTime == null)
             {
-                Debug.LogError("UI_MQTTTestResultItem: One or more UI elements are not assigned.");
+                gameObject.SetActive(false);
                 return;
             }
             Item_Topic.DeepFind<TextMeshProUGUI>("Text_Topic").SetText(topic);
             Item_TopicPayload.SetValue(payload);
             Item_TopicPacketSize.SetValue(payload.Length.ToString());
+
+            TimeSpan spandTime = responseTime - requestTime;
+            string convertRequestTime = $"{requestTime.Day}ÀÏ {requestTime.Hour}½Ã {requestTime.Minute}ºÐ {requestTime.Second}.{requestTime.Millisecond}ÃÊ";
+            string convertResponseTime = $"{responseTime.Day}ÀÏ {responseTime.Hour}½Ã {responseTime.Minute}ºÐ {responseTime.Second}.{responseTime.Millisecond}ÃÊ";
+            string convertSpandTime = FormatTimeSpanIgnoreZero(spandTime);
+            Item_LastRequestTime.SetValue(convertRequestTime); 
+            Item_LastResponseTime.SetValue(convertResponseTime);
+            Item_LastSpandTime.SetValue(convertSpandTime);
+        }
+
+        private string FormatTimeSpanIgnoreZero(TimeSpan spandTime)
+        {
+            List<string> parts = new();
+
+            if (spandTime.Days != 0)
+                parts.Add($"{spandTime.Days}ÀÏ");
+            if (spandTime.Hours != 0)
+                parts.Add($"{spandTime.Hours}½Ã");
+            if (spandTime.Minutes != 0)
+                parts.Add($"{spandTime.Minutes}ºÐ");
+            if (spandTime.Seconds != 0 || spandTime.Milliseconds != 0)
+                parts.Add($"{spandTime.Seconds}.{spandTime.Milliseconds:D3}ÃÊ");
+
+            return string.Join(" ", parts);
         }
     }
 }