diff --git a/Assets/PerfectWorld/Scripts/UI/SkillUI/CDlgSkillSubPool.cs b/Assets/PerfectWorld/Scripts/UI/SkillUI/CDlgSkillSubPool.cs
index 6dd920d158..dbbe068e7f 100644
--- a/Assets/PerfectWorld/Scripts/UI/SkillUI/CDlgSkillSubPool.cs
+++ b/Assets/PerfectWorld/Scripts/UI/SkillUI/CDlgSkillSubPool.cs
@@ -28,6 +28,7 @@ namespace BrewMonster
 
         public override void OnEnable()
         {
+            _currentSelectSkill = null;
             UpdateView();
             _skillSetUpComboWidget.ShowSetUpContent(false);
             _skillSetUpComboWidget.OnClickedSkillSlot += OnClickedSkillSlot;
@@ -45,6 +46,7 @@ namespace BrewMonster
 
         public override void OnDisable()
         {
+            _currentSelectComboSlot = null;
             if (_currentSelectSkill is LearnedSkillUI learnedOnClose)
             {
                 learnedOnClose.SetFocusFrame(false);