diff --git a/Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatScheduler/CombatScheduler.cs b/Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatScheduler/CombatScheduler.cs
index e0239ed..1ae7f10 100644
--- a/Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatScheduler/CombatScheduler.cs
+++ b/Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatScheduler/CombatScheduler.cs
@@ -1,11 +1,9 @@
 using System;
 using System.Collections.Generic;
-using GeometryTD.CustomEvent;
 using GeometryTD.DataTable;
 using GeometryTD.Definition;
 using GeometryTD.Entity;
 using GeometryTD.Procedure;
-using GeometryTD.UI;
 using UnityEngine;
 using UnityGameFramework.Runtime;
 
@@ -95,9 +93,8 @@ namespace GeometryTD.CustomComponent
             _runtime.NextDropOrdinal = 0;
             _runtime.NextRewardOrdinal = 0;
             _runtime.CombatRunResourceStore.InitializeForCombat(level);
-            for (int i = 0; i < phases.Count; i++)
+            foreach (var phase in phases)
             {
-                DRLevelPhase phase = phases[i];
                 if (phase != null)
                 {
                     _runtime.PhaseBuffer.Add(phase);
@@ -115,7 +112,8 @@ namespace GeometryTD.CustomComponent
             _runtime.PhaseLoopRuntime.SetPhases(_runtime.PhaseBuffer);
             if (_runtime.PhaseLoopRuntime.PhaseCount <= 0)
             {
-                return _coordinator.HandleStartFailure($"CombatScheduler start failed. Level '{level.Id}' has no phase data.");
+                return _coordinator.HandleStartFailure(
+                    $"CombatScheduler start failed. Level '{level.Id}' has no phase data.");
             }
 
             ChangeState(new CombatLoadingState(_runtime, _coordinator));
@@ -325,6 +323,5 @@ namespace GeometryTD.CustomComponent
         }
 
         #endregion
-
     }
-}
+}
\ No newline at end of file
diff --git a/Assets/GameMain/Scripts/Entity/EntityLogic/CombatSelectInputService.cs b/Assets/GameMain/Scripts/Entity/EntityLogic/CombatSelectInputService.cs
index 25a9245..913e607 100644
--- a/Assets/GameMain/Scripts/Entity/EntityLogic/CombatSelectInputService.cs
+++ b/Assets/GameMain/Scripts/Entity/EntityLogic/CombatSelectInputService.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using GeometryTD.UI;
 using UnityEngine;
+using UnityEngine.InputSystem;
 using UnityEngine.Tilemaps;
 
 namespace GeometryTD.Entity
@@ -70,7 +71,14 @@ namespace GeometryTD.Entity
                 return false;
             }
 
-            Ray ray = mainCamera.ScreenPointToRay(Input.mousePosition);
+            Mouse mouse = Mouse.current;
+            if (mouse == null)
+            {
+                return false;
+            }
+
+            Vector2 pointerPosition = mouse.position.ReadValue();
+            Ray ray = mainCamera.ScreenPointToRay(pointerPosition);
             float mapPlaneZ = tilemap != null
                 ? tilemap.transform.position.z
                 : (mapTransform != null ? mapTransform.position.z : 0f);
@@ -84,7 +92,7 @@ namespace GeometryTD.Entity
             }
 
             worldPosition = ray.GetPoint(enterDistance);
-            screenPosition = BuildScreenPosition(Input.mousePosition);
+            screenPosition = BuildScreenPosition(pointerPosition);
             return true;
         }
 
diff --git a/Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs b/Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs
index fb04bf0..8c056cf 100644
--- a/Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs
+++ b/Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs
@@ -7,6 +7,7 @@ using GeometryTD.Entity.EntityData;
 using GeometryTD.UI;
 using UnityEngine;
 using UnityEngine.EventSystems;
+using UnityEngine.InputSystem;
 using UnityEngine.Tilemaps;
 using UnityGameFramework.Runtime;
 
@@ -15,17 +16,17 @@ namespace GeometryTD.Entity
     public class MapEntity : EntityBase
     {
         private const int DefaultTowerTypeId = 401;
-        
+
         private static readonly Spawner[] EmptySpawners = Array.Empty<Spawner>();
 
         [SerializeField] private bool _enableCombatSelectInput = true;
-        
+
         [SerializeField] private int _towerTypeId = DefaultTowerTypeId;
-        
+
         [SerializeField] private int[] _buildTowerCosts = { 40, 60, 60, 80 };
-        
+
         [SerializeField] private int _upgradeCost = 50;
-        
+
         [SerializeField] private int _destroyGain = 40;
 
         private MapDataRefs _mapDataRefs;
@@ -119,7 +120,7 @@ namespace GeometryTD.Entity
             }
 
             base.OnShow(_mapData);
-            
+
             _combatRuntimeBridge?.Initialize(loadContext, name);
 
             RefreshTiles();
@@ -272,7 +273,8 @@ namespace GeometryTD.Entity
 
         private void HandleCombatSelectInput()
         {
-            if (!_enableCombatSelectInput || !Input.GetMouseButtonDown(0))
+            Mouse mouse = Mouse.current;
+            if (!_enableCombatSelectInput || mouse == null || !mouse.leftButton.wasPressedThisFrame)
             {
                 return;
             }
diff --git a/Assets/GameMain/Scripts/UI/General/View/ItemDescForm.cs b/Assets/GameMain/Scripts/UI/General/View/ItemDescForm.cs
index bae83a4..7d879b2 100644
--- a/Assets/GameMain/Scripts/UI/General/View/ItemDescForm.cs
+++ b/Assets/GameMain/Scripts/UI/General/View/ItemDescForm.cs
@@ -1,6 +1,7 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using TMPro;
 using UnityEngine;
+using UnityEngine.InputSystem;
 using UnityEngine.UI;
 using UnityGameFramework.Runtime;
 
@@ -39,7 +40,7 @@ namespace GeometryTD.UI
         [SerializeField] private float _sideGap = 16f;
 
         [SerializeField] private float _anchorItemWidth = 0f;
-        
+
         private readonly List<GameObject> _runtimeTagItems = new List<GameObject>();
 
         private ItemDescFormContext _context;
@@ -78,7 +79,7 @@ namespace GeometryTD.UI
         {
             base.OnOpen(userData);
             _isOpened = true;
-            
+
             if (!(userData is ItemDescFormContext context))
             {
                 Log.Error("ItemDescFormContext is invalid.");
@@ -360,24 +361,27 @@ namespace GeometryTD.UI
 
         private static bool TryGetPointerDownScreenPosition(out Vector2 screenPoint)
         {
-            if (Input.touchCount > 0)
+            Touchscreen touchscreen = Touchscreen.current;
+            if (touchscreen != null)
             {
-                for (int i = 0; i < Input.touchCount; i++)
+                var touches = touchscreen.touches;
+                for (int i = 0; i < touches.Count; i++)
                 {
-                    Touch touch = Input.GetTouch(i);
-                    if (touch.phase != TouchPhase.Began)
+                    var touch = touches[i];
+                    if (!touch.press.wasPressedThisFrame)
                     {
                         continue;
                     }
 
-                    screenPoint = touch.position;
+                    screenPoint = touch.position.ReadValue();
                     return true;
                 }
             }
 
-            if (Input.GetMouseButtonDown(0))
+            Mouse mouse = Mouse.current;
+            if (mouse != null && mouse.leftButton.wasPressedThisFrame)
             {
-                screenPoint = Input.mousePosition;
+                screenPoint = mouse.position.ReadValue();
                 return true;
             }