diff --git a/Assets/PerfectWorld/Scripts/Chat/UI/MiniChatUI.cs b/Assets/PerfectWorld/Scripts/Chat/UI/MiniChatUI.cs
index 271fd142a9..101a4f021e 100644
--- a/Assets/PerfectWorld/Scripts/Chat/UI/MiniChatUI.cs
+++ b/Assets/PerfectWorld/Scripts/Chat/UI/MiniChatUI.cs
@@ -14,6 +14,8 @@ namespace BrewMonster.Scripts.ChatUI
     {
         [Header("MiniChat")]
         public Button onOpenChatPanelButton;
+        [Tooltip("Dialog name registered in CECUIManager/CECGameUIMan for full chat panel.")]
+        [SerializeField] string chatDialogName = "Win_Chat";
         [Tooltip("Parent cho các dòng tin xem trước (nên có VerticalLayoutGroup).")]
         public RectTransform miniChatContent;
         [Tooltip("ScrollRect bọc mini chat (null = không cuộn). Nếu để trống, Awake sẽ thử GetComponentInParent từ miniChatContent.")]
@@ -78,6 +80,10 @@ namespace BrewMonster.Scripts.ChatUI
 
         void OnOpenChatPanelButtonClicked()
         {
+            // Open through CECUIManager stack so current top UI/popup is hidden consistently.
+            if (!string.IsNullOrEmpty(chatDialogName) && CECUIManager.Instance != null)
+                CECUIManager.Instance.ShowUI(chatDialogName);
+
             EventBus.Publish(new OpenChatPanelRequestedEvent());
         }