diff --git a/Assets/Scenes/pre-0.24.0.unity b/Assets/Scenes/pre-0.24.0.unity
index 57a5e0a6..bab6bffe 100644
--- a/Assets/Scenes/pre-0.24.0.unity
+++ b/Assets/Scenes/pre-0.24.0.unity
@@ -354,6 +354,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 3396806135333855691, guid: 192ba749438045e4bb32753ffff354b1, type: 3}
+      propertyPath: m_IsActive
+      value: 0
+      objectReference: {fileID: 0}
     - target: {fileID: 6745165671321524316, guid: 192ba749438045e4bb32753ffff354b1, type: 3}
       propertyPath: m_Name
       value: Panel_SaveAndOpenChecker
@@ -1044,6 +1048,10 @@ PrefabInstance:
       propertyPath: m_Name
       value: Panel_SaveAndNewChecker
       objectReference: {fileID: 0}
+    - target: {fileID: 7955828146152623659, guid: 72f142af384a5e341bf6099f889cca18, type: 3}
+      propertyPath: m_IsActive
+      value: 0
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []
diff --git a/Assets/Scripts/Studio/UI/Elements/UI_MQTTConnection.cs b/Assets/Scripts/Studio/UI/Elements/UI_MQTTConnection.cs
index 4b07e939..be43354d 100644
--- a/Assets/Scripts/Studio/UI/Elements/UI_MQTTConnection.cs
+++ b/Assets/Scripts/Studio/UI/Elements/UI_MQTTConnection.cs
@@ -127,7 +127,7 @@ namespace Studio.UI
                 item.SetTopic(topic);
 
                 AddURLItem(item);
-                Button_AddTopicItem.transform.SetAsLastSibling();
+                AddTopic.transform.SetAsLastSibling();
             }
         }
     }
diff --git a/Assets/Scripts/Studio/UI/Panel/Panel_MQTTSetting.cs b/Assets/Scripts/Studio/UI/Panel/Panel_MQTTSetting.cs
index 39f0af41..abf679f5 100644
--- a/Assets/Scripts/Studio/UI/Panel/Panel_MQTTSetting.cs
+++ b/Assets/Scripts/Studio/UI/Panel/Panel_MQTTSetting.cs
@@ -81,7 +81,7 @@ namespace Studio.UI
                 item.SetMQTTConnection(mqttConnection);
 
                 AddMQTTConnectionItem(item);
-                Button_AddMQTTConnectionItem.transform.SetAsLastSibling();
+                AddMQTTConnection.transform.SetAsLastSibling();
             }
         }
     }