diff --git a/Assets/Resources/Prefabs/UI/Button/UI_BaseDataButton.prefab b/Assets/Resources/Prefabs/UI/Button/UI_BaseDataButton.prefab
index 90a317d8..c5dea8c9 100644
--- a/Assets/Resources/Prefabs/UI/Button/UI_BaseDataButton.prefab
+++ b/Assets/Resources/Prefabs/UI/Button/UI_BaseDataButton.prefab
@@ -314,7 +314,7 @@ MonoBehaviour:
     m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
     m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
     m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
-    m_SelectedColor: {r: 0.8235294, g: 0.039215688, b: 0.06666667, a: 1}
+    m_SelectedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
     m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
     m_ColorMultiplier: 1
     m_FadeDuration: 0.1
@@ -347,3 +347,4 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   panel_Repository: {fileID: 0}
+  bg: {fileID: 0}
diff --git a/Assets/Resources/Prefabs/UI/Button/UI_MQTTDataButton.prefab b/Assets/Resources/Prefabs/UI/Button/UI_MQTTDataButton.prefab
index d79d8e54..06bfc505 100644
--- a/Assets/Resources/Prefabs/UI/Button/UI_MQTTDataButton.prefab
+++ b/Assets/Resources/Prefabs/UI/Button/UI_MQTTDataButton.prefab
@@ -314,7 +314,7 @@ MonoBehaviour:
     m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
     m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
     m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
-    m_SelectedColor: {r: 0.8235294, g: 0.039215688, b: 0.06666667, a: 1}
+    m_SelectedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
     m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
     m_ColorMultiplier: 1
     m_FadeDuration: 0.1
@@ -347,3 +347,4 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   panel_Repository: {fileID: 0}
+  bg: {fileID: 0}
diff --git a/Assets/Scripts/Studio/UI/Elements/UI_BaseDataButton.cs b/Assets/Scripts/Studio/UI/Elements/UI_BaseDataButton.cs
index 05595abf..2123470a 100644
--- a/Assets/Scripts/Studio/UI/Elements/UI_BaseDataButton.cs
+++ b/Assets/Scripts/Studio/UI/Elements/UI_BaseDataButton.cs
@@ -15,6 +15,7 @@ namespace Studio
         public Panel_DataRepository panel_Repository;
 
         Button button;
+        public Image bg;
         TextMeshProUGUI buttonName;
 
         string baseDataKey;
@@ -23,6 +24,7 @@ namespace Studio
         private void Awake()
         {
             button = GetComponent<Button>();
+            bg = GetComponent<Image>();
             buttonName = GetComponentInChildren<TextMeshProUGUI>();
 
             button.onClick.AddListener(OnClickButton);
@@ -31,6 +33,7 @@ namespace Studio
         void OnClickButton()
         {
             panel_Repository.ShowInformation_APIData(baseDataKey, dataValue);
+            bg.color = new Color32(0xD2, 0x0A, 0x11, 0xFF);
         }
 
         public void SetButtonData<T>(string name, StudioEntityWithState<T> data)
diff --git a/Assets/Scripts/Studio/UI/Elements/UI_MQTTDataButton.cs b/Assets/Scripts/Studio/UI/Elements/UI_MQTTDataButton.cs
index a9632767..d7b03d63 100644
--- a/Assets/Scripts/Studio/UI/Elements/UI_MQTTDataButton.cs
+++ b/Assets/Scripts/Studio/UI/Elements/UI_MQTTDataButton.cs
@@ -14,6 +14,7 @@ namespace Studio
         public Panel_DataRepository panel_Repository;
 
         Button button;
+        public Image bg;
         TextMeshProUGUI buttonName;
 
         string baseDataKey;
@@ -23,6 +24,7 @@ namespace Studio
         private void Awake()
         {
             button = GetComponent<Button>();
+            bg = GetComponent<Image>();
             buttonName = GetComponentInChildren<TextMeshProUGUI>();
 
             button.onClick.AddListener(OnClickButton);
@@ -31,6 +33,7 @@ namespace Studio
         void OnClickButton()
         {
             panel_Repository.ShowInformation_MQTTData(baseDataKey, dataValue, elapsedTime);
+            bg.color = new Color32(0xD2, 0x0A, 0x11, 0xFF);
         }
 
         public void SetButtonData(string name, Dictionary<string, Dictionary<string, string>> data, TimeSpan elapsedTime)
diff --git a/Assets/Scripts/Studio/UI/Elements/UI_ProtocolLabel.cs b/Assets/Scripts/Studio/UI/Elements/UI_ProtocolLabel.cs
index 23d343ca..220743b9 100644
--- a/Assets/Scripts/Studio/UI/Elements/UI_ProtocolLabel.cs
+++ b/Assets/Scripts/Studio/UI/Elements/UI_ProtocolLabel.cs
@@ -20,7 +20,9 @@ namespace Studio.UI
         public Panel_DataRepository panel_Repository;
 
         public Button ClickButton;
+
         Button FoldButton;
+        public Image bg;
         TextMeshProUGUI buttonText;
 
         UI_DataRepositoryButtonList dataList;
@@ -31,7 +33,7 @@ namespace Studio.UI
         {
             buttonText = ClickButton.GetComponentInChildren<TextMeshProUGUI>();
             dataList = GetComponentInChildren<UI_DataRepositoryButtonList>();
-
+            bg = ClickButton.GetComponent<Image>();
             ClickButton.onClick.AddListener(OnClickButton);
             FoldButton.onClick.AddListener(OnClickFoldButton);
         }
@@ -46,6 +48,8 @@ namespace Studio.UI
             {
                 panel_Repository.ShowInformation_MQTT();
             }
+
+            bg.color = new Color32(0xD2, 0x0A, 0x11, 0xFF);
         }
 
         void OnClickFoldButton()
@@ -53,13 +57,13 @@ namespace Studio.UI
             if (isFold)
             {
                 dataList.FoldButtons(true);
-                FoldButton.GetComponent<RectTransform>().localRotation = Quaternion.Euler(0f, 0f, 0f);
+                FoldButton.GetComponent<RectTransform>().localScale = Vector3.one;
                 isFold = false;
             }
             else
             {
                 dataList.FoldButtons(false);
-                FoldButton.GetComponent<RectTransform>().localRotation = Quaternion.Euler(0f, 0f, 180f);
+                FoldButton.GetComponent<RectTransform>().localScale = new Vector3(1, -1, 1);
                 isFold = true;
             }
             panel_Repository.RebuildLayout();
diff --git a/Assets/Scripts/Studio/UI/Panel/Panel_DataRepository.cs b/Assets/Scripts/Studio/UI/Panel/Panel_DataRepository.cs
index 8e73cf5c..e869888b 100644
--- a/Assets/Scripts/Studio/UI/Panel/Panel_DataRepository.cs
+++ b/Assets/Scripts/Studio/UI/Panel/Panel_DataRepository.cs
@@ -34,13 +34,14 @@ namespace Studio
         TextMeshProUGUI MaximumResponseTimeAPI;
 
         LayoutGroup[] layoutGroups;
+        UI_ProtocolLabel[] protocolLabels;
 
         Dictionary<string, UI_BaseDataButton> apiButtons = new();
         Dictionary<string, UI_MQTTDataButton> mqttButtons = new();
 
         public override void AfterAwake()
         {
-            UI_ProtocolLabel[] protocolLabels = GetComponentsInChildren<UI_ProtocolLabel>();
+            protocolLabels = GetComponentsInChildren<UI_ProtocolLabel>();
             foreach (UI_ProtocolLabel label in protocolLabels) 
             {
                 label.panel_Repository = this;
@@ -132,6 +133,7 @@ namespace Studio
             Panel_APIDataInfo.gameObject.SetActive(false);
             Panel_MQTTInfo.gameObject.SetActive(false);
             Panel_MQTTDataInfo.gameObject.SetActive(false);
+            ResetButtonColor();
 
             if (info == null)
                 return;
@@ -162,6 +164,7 @@ namespace Studio
             Panel_APIDataInfo.gameObject.SetActive(true);
             Panel_MQTTInfo.gameObject.SetActive(false);
             Panel_MQTTDataInfo.gameObject.SetActive(false);
+            ResetButtonColor();
         }
 
         public void ShowInformation_MQTT()
@@ -170,6 +173,7 @@ namespace Studio
             Panel_APIDataInfo.gameObject.SetActive(false);
             Panel_MQTTInfo.gameObject.SetActive(true);
             Panel_MQTTDataInfo.gameObject.SetActive(false);
+            ResetButtonColor();
         }
 
         public void ShowInformation_MQTTData(string name, Dictionary<string, Dictionary<string, string>> data, TimeSpan elapsedTime)
@@ -180,11 +184,30 @@ namespace Studio
             Panel_APIDataInfo.gameObject.SetActive(false);
             Panel_MQTTInfo.gameObject.SetActive(false);
             Panel_MQTTDataInfo.gameObject.SetActive(true);
+            ResetButtonColor();
         }
 
         void Deactivate()
         {
             gameObject.SetActive(false);
         }
+
+        private void ResetButtonColor()
+        {
+            foreach (UI_ProtocolLabel label in protocolLabels)
+            {
+                label.bg.color = Color.white;
+            }
+
+            foreach (var btn in apiButtons.Values)
+            {
+                btn.bg.color = Color.white;
+            }
+
+            foreach (var btn in mqttButtons.Values)
+            {
+                btn.bg.color = Color.white;
+            }
+        }
     }
 }