diff --git a/Yosin_Engine.exe b/Yosin_Engine.exe
index 9b56955..fc7bcb0 100644
Binary files a/Yosin_Engine.exe and b/Yosin_Engine.exe differ
diff --git a/sqr/Core/BaseClass/LayerObject.nut b/sqr/Core/BaseClass/LayerObject.nut
new file mode 100644
index 0000000..2bb7795
--- /dev/null
+++ b/sqr/Core/BaseClass/LayerObject.nut
@@ -0,0 +1,29 @@
+/*
+文件名:LayerObject.nut
+路径:Core/BaseClass/LayerObject.nut
+创建日期:2024-12-13	21:26
+文件用途:
+*/
+class Layer extends Actor {
+
+    constructor(...) {
+        local C_Object;
+        if (vargv.len() == 0) {
+            C_Object = LayerActor_Create();
+            base.constructor(C_Object);
+        } else {
+            C_Object = vargv[0];
+            base.constructor(C_Object, true);
+        }
+    }
+
+    //设置图层裁剪区域
+    function SetClipRect(x, y, w, h) {
+        LayerActor_SetClipRect(this.C_Object, x, y, w, h);
+    }
+
+    //设置图层透明度
+    function SetLayerOpacity(alpha) {
+        LayerActor_SetOpacity(this.C_Object, alpha);
+    }
+}
\ No newline at end of file
diff --git a/sqr/Core/UI_Class/UI_Core.nut b/sqr/Core/UI_Class/UI_Core.nut
index 098e668..6ba2781 100644
--- a/sqr/Core/UI_Class/UI_Core.nut
+++ b/sqr/Core/UI_Class/UI_Core.nut
@@ -7,7 +7,7 @@
 //窗口队列
 _SYS_WINDOW_LIST_ <- [];
 //基础窗口类 所有UI类继承与本类
-class Yosin_BaseWindow extends Actor {
+class Yosin_BaseWindow extends Layer {
     //父控件
     ParentFlag = null;
     //子控件
diff --git a/sqr/SquirrelFileConfig.cfg b/sqr/SquirrelFileConfig.cfg
index 820828e..b114710 100644
--- a/sqr/SquirrelFileConfig.cfg
+++ b/sqr/SquirrelFileConfig.cfg
@@ -13,6 +13,7 @@ sqr/Core/BaseClass/BaseObject.nut
 sqr/Core/BaseClass/AudioClass.nut
 sqr/Core/BaseClass/StageClass.nut
 sqr/Core/BaseClass/ActorObject.nut
+sqr/Core/BaseClass/LayerObject.nut
 sqr/Core/BaseClass/UserStorage.nut
 sqr/Core/BaseClass/SpriteObject/SpriteFrameClass.nut
 sqr/Core/BaseClass/SpriteObject/SpriteClass.nut
diff --git a/sqr/User/UI/Window/1_Select_Character.nut b/sqr/User/UI/Window/1_Select_Character.nut
index 9043455..9d378c8 100644
--- a/sqr/User/UI/Window/1_Select_Character.nut
+++ b/sqr/User/UI/Window/1_Select_Character.nut
@@ -6,6 +6,9 @@
 */
 class _Select_Character_SettingBackground_Object_Window extends Yosin_CommonUi {
 
+    //编号
+    Idx = 0;
+
     //蓝色悬停框
     RectMask = null;
     //黄色选中框
@@ -14,14 +17,16 @@ class _Select_Character_SettingBackground_Object_Window extends Yosin_CommonUi {
     SelectFlag = false;
 
 
-    constructor(x, y, width, height, Idx) {
+    constructor(x, y, width, height, gIdx) {
         base.constructor(x, y, width, height);
+        //编号
+        Idx = gIdx;
 
         //注册绘制
-        RegisterDraw(Idx);
+        RegisterDraw();
     }
 
-    function RegisterDraw(Idx) {
+    function RegisterDraw() {
         //背景
         local Background = CL_SpriteObject("sprite/interface2/selectcharacter_ver2/background/small/background_small_event.img", Idx);
         Background.SetScale(0.7, 0.7);
@@ -53,8 +58,16 @@ class _Select_Character_SettingBackground_Object_Window extends Yosin_CommonUi {
     function OnMouseLbClick(MousePos_X, MousePos_Y) {
         base.OnMouseLbClick(MousePos_X, MousePos_Y);
         if (isInRect) {
+            //遍历父对象中的所有按钮 还原其他按钮
+            foreach(Button in Parent.SettingBackgroundButtonList) {
+                Button.SelectMask.SetVisible(false);
+                Button.SelectFlag = false;
+            }
+            //设置自身选中状态
             SelectMask.SetVisible(true);
             SelectFlag = true;
+
+            Parent.Parent.ChangeBackground(Idx);
         }
     }
 }
@@ -66,9 +79,19 @@ class _Select_Character_SettingBackground_Window extends Yosin_Window {
     //是否可见
     Visible = false;
 
+    //选择背景按钮集合
+    SettingBackgroundButtonList = null;
+
     constructor(gObjectId, gX, gY, gWidth, gHeight, gTitleH) {
         base.constructor(gObjectId, gX, gY, gWidth, gHeight, gTitleH);
+        SettingBackgroundButtonList = [];
 
+        SetClipRect(-gWidth, 0, gWidth, gHeight + 20);
+        // ShowBorder(true);
+        // SetLayerOpacity(1);
+    }
+
+    function Init() {
         //注册绘制
         RegisterDraw();
     }
@@ -79,7 +102,13 @@ class _Select_Character_SettingBackground_Window extends Yosin_Window {
         Addchild(Background);
 
         for (local i = 0; i< 24; i++) {
-            local Buf = _Select_Character_SettingBackground_Object_Window(10 + (101 * (i % 2)), 10 + (61 * (i / 2)), 91, 51, i);
+            local Buf = _Select_Character_SettingBackground_Object_Window(5 + (101 * (i % 2)), 9 + (61 * (i / 2)), 91, 51, i);
+            SettingBackgroundButtonList.push(Buf);
+            //如果是父对象默认构造的默认是勾选状态
+            if (i == Parent.Info.Background) {
+                Buf.SelectMask.SetVisible(true);
+                Buf.SelectFlag = true;
+            }
             AddUIChild(Buf);
         }
     }
@@ -147,6 +176,8 @@ class _Select_Character_Window extends Yosin_Window {
     function RegisterWindow() {
         SettingBackgroundWindow = _Select_Character_SettingBackground_Window("选择角色_设置背景图片窗口", 850, 28, 212, 129, 0);
         AddUIChild(SettingBackgroundWindow);
+        //先添加为子对象 因为子对象需要用到父对象
+        SettingBackgroundWindow.Init();
     }
 
     function RegisterWidget() {
@@ -170,10 +201,20 @@ class _Select_Character_Window extends Yosin_Window {
         SettingButton.Addchild(LoginTextActor);
     }
 
+    //切换背景
+    function ChangeBackground(Idx) {
+        if (BackGround) {
+            BackGround.RemoveSelf();
+            BackGround = null;
+        }
+        BackGround = CL_SpriteObject("sprite/interface2/selectcharacter_ver2/background/large/background_large_event.img", Idx);
+        BackGround.SetZOrder(-10);
+        Addchild(BackGround);
+    }
+
     function RegisterDraw() {
         //大背景 根据玩家的设定背景决定
-        BackGround = CL_SpriteObject("sprite/interface2/selectcharacter_ver2/background/large/background_large.img", Info.Background);
-        Addchild(BackGround);
+        ChangeBackground(Info.Background);
 
     }
 
diff --git a/sqr/folder-alias.json b/sqr/folder-alias.json
index 1657390..3dfb04b 100644
--- a/sqr/folder-alias.json
+++ b/sqr/folder-alias.json
@@ -157,5 +157,8 @@
     },
     "User/Object/ActiveObject/GameObjectClass.nut": {
         "description": "游戏对象(对象基类)"
+    },
+    "Core/BaseClass/LayerObject.nut": {
+        "description": "图层类"
     }
 }
\ No newline at end of file