diff --git a/positions/build.properties b/positions/build.properties
index add4505..49c5f94 100644
--- a/positions/build.properties
+++ b/positions/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Mon Dec 08 06:27:30 GMT 2025
+#Mon Dec 08 08:09:53 GMT 2025
 stageCount=3
 libraryProject=
 baseVersion=15.12
 publishVersion=15.12.2
-buildCount=1
+buildCount=16
 baseBetaVersion=15.12.3
diff --git a/positions/src/main/java/cc/winboll/studio/positions/MainActivity.java b/positions/src/main/java/cc/winboll/studio/positions/MainActivity.java
index ba0b0a5..6b60bc4 100644
--- a/positions/src/main/java/cc/winboll/studio/positions/MainActivity.java
+++ b/positions/src/main/java/cc/winboll/studio/positions/MainActivity.java
@@ -4,6 +4,8 @@ import android.Manifest;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.content.res.TypedArray;
+import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
 import android.view.Menu;
@@ -19,14 +21,15 @@ import androidx.core.content.ContextCompat;
 import cc.winboll.studio.libaes.interfaces.IWinBoLLActivity;
 import cc.winboll.studio.libaes.utils.AESThemeUtil;
 import cc.winboll.studio.libaes.utils.DevelopUtils;
-import cc.winboll.studio.libaes.utils.WinBoLLActivityManager;
 import cc.winboll.studio.libaes.views.ADsBannerView;
 import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.positions.R;
 import cc.winboll.studio.positions.activities.LocationActivity;
 import cc.winboll.studio.positions.activities.SettingsActivity;
 import cc.winboll.studio.positions.activities.WinBoLLActivity;
 import cc.winboll.studio.positions.utils.AppConfigsUtil;
 import cc.winboll.studio.positions.utils.ServiceUtil;
+import android.widget.LinearLayout;
 
 /**
  * 主页面：仅负责
@@ -102,8 +105,22 @@ public class MainActivity extends WinBoLLActivity implements IWinBoLLActivity {
 
 		mADsBannerView = findViewById(R.id.adsbanner);
 
+		setLLMainBackgroundColor();
     }
 
+	// 在 Activity 的 onCreate() 或需要获取颜色的方法中调用
+	private void setLLMainBackgroundColor() {
+		// 1. 定义要解析的主题属性（这里是 colorAccent）
+		TypedArray a = getTheme().obtainStyledAttributes(new int[]{android.R.attr.colorAccent});
+		// 2. 获取对应的颜色值（默认值可设为你需要的 fallback 颜色，如 Color.GRAY）
+		int colorAccent = a.getColor(0, Color.GRAY);
+		// 3. 必须回收，避免内存泄漏
+		a.recycle();
+
+		LinearLayout llmain = findViewById(R.id.llmain);
+		llmain.setBackgroundColor(colorAccent);
+	}
+
     @Override
     protected void onDestroy() {
         super.onDestroy();
diff --git a/positions/src/main/res/drawable/activity_background.png b/positions/src/main/res/drawable/activity_background.png
new file mode 100644
index 0000000..9f40005
Binary files /dev/null and b/positions/src/main/res/drawable/activity_background.png differ
diff --git a/positions/src/main/res/drawable/shape_2px_border.xml b/positions/src/main/res/drawable/shape_2px_border.xml
new file mode 100644
index 0000000..1ca8e82
--- /dev/null
+++ b/positions/src/main/res/drawable/shape_2px_border.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle"> <!-- 矩形形状（匹配 LinearLayout ） -->
+
+    <!-- 1px 边框（关键：stroke 标签控制边框） -->
+    <stroke
+        android:width="2px"
+        android:color="?attr/colorAccent" /> <!-- 边框颜色（替换为你的颜色，如 #CCCCCC） -->
+
+    <!-- 可选：设置 LinearLayout 背景色（若需要） -->
+    <solid android:color="#00000000" /> <!-- 内部填充色，默认透明可删除 -->
+
+    <!-- 可选：设置圆角（不需要圆角可删除） -->
+    <corners android:radius="0dp" />
+</shape>
diff --git a/positions/src/main/res/layout/activity_main.xml b/positions/src/main/res/layout/activity_main.xml
index 3df8f75..58c1cf5 100644
--- a/positions/src/main/res/layout/activity_main.xml
+++ b/positions/src/main/res/layout/activity_main.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto"
 	android:orientation="vertical"
 	android:layout_width="match_parent"
-	android:layout_height="match_parent">
+	android:layout_height="match_parent"
+	android:id="@+id/llmain">
 
 	<cc.winboll.studio.libaes.views.ASupportToolbar
 		android:layout_width="match_parent"
@@ -13,33 +13,58 @@
 		android:gravity="center_vertical"/>
 
 	<LinearLayout
+		xmlns:app="http://schemas.android.com/apk/res-auto"
+		android:orientation="vertical"
 		android:layout_width="match_parent"
 		android:layout_height="0dp"
-		android:orientation="vertical"
+		android:background="#00000000"
 		android:layout_weight="1.0">
 
-		<Switch
-			android:id="@+id/switch_service_control"
-			android:layout_margin="16dp"
-			android:text="GPS服务开关"
+		<LinearLayout
+			android:orientation="vertical"
 			android:layout_width="match_parent"
-			android:layout_height="wrap_content"/>
+			android:layout_height="match_parent"
+			android:background="@drawable/activity_background"
+			android:layout_margin="0dp">
 
-		<Button
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
-			android:layout_margin="16dp"
-			android:onClick="onPositions"
-			android:text="位置与任务管理"
-			android:id="@+id/btn_manage_positions"/>
+			<LinearLayout
+				android:layout_width="match_parent"
+				android:layout_height="0dp"
+				android:orientation="vertical"
+				android:layout_weight="1.0">
+
+				<Switch
+					android:id="@+id/switch_service_control"
+					android:text="GPS服务开关"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:layout_marginTop="120dp"
+					android:layout_marginLeft="50dp"
+					android:layout_marginRight="50dp"
+					android:background="@drawable/shape_2px_border"
+					android:paddingLeft="10dp"/>
+
+				<Button
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:layout_marginTop="20dp"
+					android:layout_marginLeft="50dp"
+					android:layout_marginRight="50dp"
+					android:onClick="onPositions"
+					android:text="位置与任务管理"
+					android:id="@+id/btn_manage_positions"/>
+
+			</LinearLayout>
+
+			<cc.winboll.studio.libaes.views.ADsBannerView
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:id="@+id/adsbanner"
+				android:layout_alignParentBottom="true"/>
+
+		</LinearLayout>
 
 	</LinearLayout>
 
-	<cc.winboll.studio.libaes.views.ADsBannerView
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content"
-		android:id="@+id/adsbanner"
-		android:layout_alignParentBottom="true"/>
-
 </LinearLayout>