diff --git a/app/src/main/java/com/arkj/app/MainActivity.java b/app/src/main/java/com/arkj/app/MainActivity.java
index 6729a66..946414d 100644
--- a/app/src/main/java/com/arkj/app/MainActivity.java
+++ b/app/src/main/java/com/arkj/app/MainActivity.java
@@ -2,11 +2,71 @@ package com.arkj.app;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Toast;
 
 public class MainActivity extends Activity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        
+        // 设置功能按钮点击事件
+        setupFunctionButtons();
+        
+        // 设置底部导航点击事件
+        setupBottomNavigation();
     }
-}
+    
+    private void setupFunctionButtons() {
+        // 备忘录
+        findViewById(R.id.btnMemo).setOnClickListener(v -> 
+            Toast.makeText(this, "打开备忘录", Toast.LENGTH_SHORT).show());
+        
+        // 二维码
+        findViewById(R.id.btnQRCode).setOnClickListener(v -> 
+            Toast.makeText(this, "打开二维码扫描", Toast.LENGTH_SHORT).show());
+        
+        // 谁在干活
+        findViewById(R.id.btnWhoWorking).setOnClickListener(v -> 
+            Toast.makeText(this, "查看谁在干活", Toast.LENGTH_SHORT).show());
+        
+        // PVE
+        findViewById(R.id.btnPVE).setOnClickListener(v -> 
+            Toast.makeText(this, "打开 PVE", Toast.LENGTH_SHORT).show());
+        
+        // 快递
+        findViewById(R.id.btnExpress).setOnClickListener(v -> 
+            Toast.makeText(this, "查看快递", Toast.LENGTH_SHORT).show());
+        
+        // 纪念日
+        findViewById(R.id.btnAnniversary).setOnClickListener(v -> 
+            Toast.makeText(this, "查看纪念日", Toast.LENGTH_SHORT).show());
+        
+        // 记账
+        findViewById(R.id.btnAccounting).setOnClickListener(v -> 
+            Toast.makeText(this, "打开记账", Toast.LENGTH_SHORT).show());
+        
+        // 资料
+        findViewById(R.id.btnMaterials).setOnClickListener(v -> 
+            Toast.makeText(this, "查看资料", Toast.LENGTH_SHORT).show());
+        
+        // 更多
+        findViewById(R.id.btnMore).setOnClickListener(v -> 
+            Toast.makeText(this, "更多功能", Toast.LENGTH_SHORT).show());
+    }
+    
+    private void setupBottomNavigation() {
+        // 首页
+        findViewById(R.id.navHome).setOnClickListener(v -> 
+            Toast.makeText(this, "已在首页", Toast.LENGTH_SHORT).show());
+        
+        // 中间按钮
+        findViewById(R.id.navCenter).setOnClickListener(v -> 
+            Toast.makeText(this, "快速操作", Toast.LENGTH_SHORT).show());
+        
+        // 我的
+        findViewById(R.id.navProfile).setOnClickListener(v -> 
+            Toast.makeText(this, "打开个人中心", Toast.LENGTH_SHORT).show());
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e248bc7..97d03ef 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -3,12 +3,344 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:gravity="center">
+    android:background="@drawable/bg_gradient">
 
-    <TextView
-        android:layout_width="wrap_content"
+    <!-- 顶部搜索栏 -->
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="ARKJ"
-        android:textSize="32sp"/>
+        android:orientation="horizontal"
+        android:padding="16dp"
+        android:gravity="center_vertical">
 
-</LinearLayout>
+        <ImageView
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:src="@drawable/ic_speaker"
+            android:layout_marginEnd="12dp"/>
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="horizontal"
+            android:background="@drawable/bg_search"
+            android:padding="10dp"
+            android:gravity="center_vertical">
+
+            <ImageView
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                android:src="@drawable/ic_search"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/search_hint"
+                android:textColor="#999"
+                android:layout_marginStart="8dp"/>
+        </LinearLayout>
+
+        <ImageView
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:src="@drawable/ic_scan"
+            android:layout_marginStart="12dp"/>
+    </LinearLayout>
+
+    <!-- 功能网格 -->
+    <GridLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:rowCount="3"
+        android:columnCount="3"
+        android:padding="16dp">
+
+        <!-- 备忘录 -->
+        <LinearLayout
+            android:id="@+id/btnMemo"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_memo"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/memo"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 二维码 -->
+        <LinearLayout
+            android:id="@+id/btnQRCode"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_qrcode"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/qrcode"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 谁在干活 -->
+        <LinearLayout
+            android:id="@+id/btnWhoWorking"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_star"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/who_working"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- PVE -->
+        <LinearLayout
+            android:id="@+id/btnPVE"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_pve"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/pve"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 快递 -->
+        <LinearLayout
+            android:id="@+id/btnExpress"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_express"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/express"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 纪念日 -->
+        <LinearLayout
+            android:id="@+id/btnAnniversary"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_anniversary"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/anniversary"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 记账 -->
+        <LinearLayout
+            android:id="@+id/btnAccounting"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_accounting"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/accounting"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 资料 -->
+        <LinearLayout
+            android:id="@+id/btnMaterials"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_materials"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/materials"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+
+        <!-- 更多 -->
+        <LinearLayout
+            android:id="@+id/btnMore"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_columnWeight="1"
+            android:layout_rowWeight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:background="@drawable/bg_function_icon"
+            android:layout_margin="8dp">
+
+            <ImageView
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:src="@drawable/ic_more"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="更多"
+                android:textColor="#333"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+    </GridLayout>
+
+    <!-- 底部导航 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:padding="8dp"
+        android:background="@drawable/bg_menu_button">
+
+        <LinearLayout
+            android:id="@+id/navHome"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:padding="8dp">
+
+            <ImageView
+                android:layout_width="32dp"
+                android:layout_height="32dp"
+                android:src="@drawable/ic_home_active"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/home"
+                android:textColor="#333"
+                android:layout_marginTop="2dp"/>
+        </LinearLayout>
+
+        <ImageView
+            android:id="@+id/navCenter"
+            android:layout_width="64dp"
+            android:layout_height="64dp"
+            android:src="@drawable/ic_center_button"
+            android:layout_marginHorizontal="16dp"/>
+
+        <LinearLayout
+            android:id="@+id/navProfile"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:gravity="center"
+            android:padding="8dp">
+
+            <ImageView
+                android:layout_width="32dp"
+                android:layout_height="32dp"
+                android:src="@drawable/ic_profile"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/profile"
+                android:textColor="#333"
+                android:layout_marginTop="2dp"/>
+        </LinearLayout>
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file