diff --git a/DungeonShooting_Godot/project.godot b/DungeonShooting_Godot/project.godot
index 59850ad..2cd411b 100644
--- a/DungeonShooting_Godot/project.godot
+++ b/DungeonShooting_Godot/project.godot
@@ -11,7 +11,7 @@
 [application]
 
 config/name="DungeonShooting"
-run/main_scene="res://scene/test/TestPerfectPixel.tscn"
+run/main_scene="res://scene/Main.tscn"
 config/features=PackedStringArray("4.2", "C#")
 config/icon="res://icon.png"
 
diff --git a/DungeonShooting_Godot/scene/Main.tscn b/DungeonShooting_Godot/scene/Main.tscn
index 16b7e48..346e221 100644
--- a/DungeonShooting_Godot/scene/Main.tscn
+++ b/DungeonShooting_Godot/scene/Main.tscn
@@ -2,22 +2,10 @@
 
 [ext_resource type="Script" path="res://src/game/GameApplication.cs" id="1_mh1cq"]
 [ext_resource type="Script" path="res://src/game/camera/GameCamera.cs" id="2_2j367"]
+[ext_resource type="Shader" path="res://resource/material/OffsetVertex.gdshader" id="2_fxoum"]
 
-[sub_resource type="Shader" id="1"]
-code = "shader_type canvas_item;
-
-uniform vec2 offset = vec2(0.0 , 0.0);
-
-void vertex() {
-	
-	VERTEX += offset;
-	
-}
-
-"
-
-[sub_resource type="ShaderMaterial" id="2"]
-shader = SubResource("1")
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_pjtkw"]
+shader = ExtResource("2_fxoum")
 shader_parameter/offset = Vector2(0, 0)
 
 [node name="Main" type="Node2D" node_paths=PackedStringArray("SubViewport", "SubViewportContainer", "SceneRoot", "GlobalNodeRoot")]
@@ -32,7 +20,7 @@
 layer = -1
 
 [node name="SubViewportContainer" type="SubViewportContainer" parent="ViewCanvas"]
-material = SubResource("2")
+material = SubResource("ShaderMaterial_pjtkw")
 offset_right = 480.0
 offset_bottom = 270.0
 scale = Vector2(4, 4)
@@ -40,8 +28,6 @@
 [node name="SubViewport" type="SubViewport" parent="ViewCanvas/SubViewportContainer"]
 disable_3d = true
 handle_input_locally = false
-snap_2d_transforms_to_pixel = true
-snap_2d_vertices_to_pixel = true
 use_hdr_2d = true
 canvas_item_default_texture_filter = 0
 size = Vector2i(320, 180)
diff --git a/DungeonShooting_Godot/src/game/GameApplication.cs b/DungeonShooting_Godot/src/game/GameApplication.cs
index 86b0d3d..35272b1 100644
--- a/DungeonShooting_Godot/src/game/GameApplication.cs
+++ b/DungeonShooting_Godot/src/game/GameApplication.cs
@@ -31,7 +31,7 @@
 	/// 全局根节点
 	/// </summary>
 	[Export] public Node2D GlobalNodeRoot;
-
+	
 	/// <summary>
 	/// 游戏目标帧率
 	/// </summary>
@@ -111,7 +111,6 @@
 		//Engine.TimeScale = 0.2f;
 		//调整窗口分辨率
 		OnWindowSizeChanged();
-		RefreshSubViewportSize();
 		//窗体大小改变
 		GetWindow().SizeChanged += OnWindowSizeChanged;
 
@@ -274,11 +273,12 @@
 	private void RefreshSubViewportSize()
 	{
 		var s = new Vector2I((int)ViewportSize.X, (int)ViewportSize.Y);
-		s.X = s.X / 2 * 2;
-		s.Y = s.Y / 2 * 2;
+		s.X = s.X / 2 * 2 + 2;
+		s.Y = s.Y / 2 * 2 + 2;
 		SubViewport.Size = s;
 		SubViewportContainer.Scale = new Vector2(PixelScale, PixelScale);
 		SubViewportContainer.Size = s;
+		SubViewportContainer.Position = new Vector2(-PixelScale, -PixelScale);
 	}
 
 	//初始化鼠标
diff --git a/DungeonShooting_Godot/src/game/camera/GameCamera.cs b/DungeonShooting_Godot/src/game/camera/GameCamera.cs
index 74a355b..a4a851d 100644
--- a/DungeonShooting_Godot/src/game/camera/GameCamera.cs
+++ b/DungeonShooting_Godot/src/game/camera/GameCamera.cs
@@ -64,6 +64,8 @@
     
     private Vector2 _camPos;
     private Vector2 _shakeOffset = Vector2.Zero;
+    
+    public ShaderMaterial _offsetShader;
 
     public GameCamera()
     {
@@ -72,6 +74,7 @@
     
     public override void _Ready()
     {
+        _offsetShader = (ShaderMaterial)GameApplication.Instance.SubViewportContainer.Material;
         _camPos = GlobalPosition;
     }
     
@@ -81,36 +84,29 @@
         var newDelta = (float)delta;
         _Shake(newDelta);
         
-        // 3.5 写法
-        // var player = GameApplication.Instance.RoomManager.Player;
-        // var viewportContainer = GameApplication.Instance.SubViewportContainer;
-        // var camPos = player.GlobalPosition;
-        // _camPos = _camPos.Lerp(camPos, Mathf.Min(6 * newDelta, 1)) + _shakeOffset;
-        // SubPixelPosition = _camPos.Round() - _camPos;
-        // (viewportContainer.Material as ShaderMaterial)?.SetShaderParameter("offset", SubPixelPosition);
-        // GlobalPosition = _camPos.Round();
-
-
         var world = GameApplication.Instance.World;
         if (world != null && !world.Pause && _followTarget != null)
         {
             var mousePosition = InputManager.CursorPosition;
             var targetPosition = _followTarget.GlobalPosition;
-            //if (targetPosition.DistanceSquaredTo(mousePosition) >= 39999.992F) // >= (60 / 0.3f) * (60 / 0.3f)
             if (targetPosition.DistanceSquaredTo(mousePosition) >= (60 / FollowsMouseAmount) * (60 / FollowsMouseAmount))
             {
                 _camPos = targetPosition.MoveToward(mousePosition, 60);
             }
             else
             {
-                //targetPos = targetPosition.Lerp(mousePosition, 0.3f); //这里的0.3就是上面的 (60 / 0.3f) * (60 / 0.3f) 中的 0.3
                 _camPos = targetPosition.Lerp(mousePosition, FollowsMouseAmount);
             }
-            //_camPos = _camPos.Lerp(targetPos, 20 * newDelta);
-            GlobalPosition = _camPos.Round();
 
+            var cameraPosition = _camPos;
+            //var cameraPosition = _camPos + _shakeOffset;
+            var roundPos = cameraPosition.Round();
+            var offset = roundPos - cameraPosition;
+            _offsetShader.SetShaderParameter("offset", offset);
+            GlobalPosition = roundPos;
+            
             Offset = _shakeOffset.Round();
-
+            
             //调用相机更新事件
             if (OnPositionUpdateEvent != null)
             {
@@ -200,9 +196,10 @@
         {
             var distance = _CalculateDistanceSquared(delta);
             distance = new Vector2(Mathf.Sqrt(distance.X), Mathf.Sqrt(distance.Y));
+            var offset = Offset;
             _shakeOffset += _processDirection + new Vector2(
-                (float)GD.RandRange(-distance.X, distance.X) - Offset.X,
-                (float)GD.RandRange(-distance.Y, distance.Y) - Offset.Y
+                (float)GD.RandRange(-distance.X, distance.X) - offset.X,
+                (float)GD.RandRange(-distance.Y, distance.Y) - offset.Y
             );
             _processDistanceSquared = Vector2.Zero;
             _processDirection = _processDirection.Lerp(Vector2.Zero, RecoveryCoefficient * delta);