diff --git a/LLRiseTabBarDemo/.idea/deploymentTargetSelector.xml b/LLRiseTabBarDemo/.idea/deploymentTargetSelector.xml
index c73b78c..fb89ea4 100644
--- a/LLRiseTabBarDemo/.idea/deploymentTargetSelector.xml
+++ b/LLRiseTabBarDemo/.idea/deploymentTargetSelector.xml
@@ -4,7 +4,7 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2025-10-22T09:46:12.826144800Z">
+        <DropdownSelection timestamp="2025-10-22T14:13:58.701426800Z">
           <Target type="DEFAULT_BOOT">
             <handle>
               <DeviceId pluginId="LocalEmulator" identifier="path=C:\Users\asus\.android\avd\Pixel.avd" />
diff --git a/LLRiseTabBarDemo/app/build.gradle b/LLRiseTabBarDemo/app/build.gradle
index a544351..aea2734 100644
--- a/LLRiseTabBarDemo/app/build.gradle
+++ b/LLRiseTabBarDemo/app/build.gradle
@@ -52,6 +52,8 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:1.8.20"
     implementation 'com.google.android.flexbox:flexbox:3.0.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
+    //gson
+    implementation 'com.google.code.gson:gson:2.10.1'
 
     // 项目模块
     implementation project(':mainnavigatetabbar')
diff --git a/LLRiseTabBarDemo/app/src/main/AndroidManifest.xml b/LLRiseTabBarDemo/app/src/main/AndroidManifest.xml
index c0abb27..3a35556 100644
--- a/LLRiseTabBarDemo/app/src/main/AndroidManifest.xml
+++ b/LLRiseTabBarDemo/app/src/main/AndroidManifest.xml
@@ -2,6 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.startsmake.llrisetabbardemo">
 
+    <!-- 添加相机权限 -->
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-feature android:name="android.hardware.camera" android:required="false" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -33,9 +39,33 @@
         <activity
             android:name=".activity.ForgotPasswordActivity"
             android:exported="false" />
+
+        <!-- 聊天页面 -->
         <activity
             android:name=".activity.ChatActivity"
             android:exported="false" />
+
+        <!-- 搜索页面 -->
+        <activity
+            android:name=".activity.SearchActivity"
+            android:exported="false" />
+
+        <!-- 搜索结果页面 -->
+        <activity
+            android:name=".activity.SearchResultsActivity"
+            android:exported="false" />
+
+        <!-- 添加FileProvider支持，用于摄像头功能 -->
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/adapter/ProductAdapter.java b/LLRiseTabBarDemo/app/src/main/java/adapter/ProductAdapter.java
new file mode 100644
index 0000000..962ad9c
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/adapter/ProductAdapter.java
@@ -0,0 +1,76 @@
+package adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.model.Item;
+
+import java.util.List;
+
+public class ProductAdapter extends RecyclerView.Adapter<ProductAdapter.ViewHolder> {
+
+    private Context context;
+    private List<Item> itemList;
+    private OnItemClickListener listener;
+
+    public interface OnItemClickListener {
+        void onItemClick(Item item);
+    }
+
+    public ProductAdapter(Context context, List<Item> itemList, OnItemClickListener listener) {
+        this.context = context;
+        this.itemList = itemList;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.item_product, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        Item item = itemList.get(position);
+
+        holder.tvTitle.setText(item.getTitle());
+        holder.tvDescription.setText(item.getDescription());
+        holder.tvPrice.setText(String.format("¥%.2f", item.getPrice()));
+        holder.tvCategory.setText(item.getCategory());
+
+        // 设置点击事件
+        holder.itemView.setOnClickListener(v -> {
+            if (listener != null) {
+                listener.onItemClick(item);
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return itemList.size();
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView tvTitle;
+        TextView tvDescription;
+        TextView tvCategory;
+        TextView tvPrice;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            tvTitle = itemView.findViewById(R.id.product_name);
+            tvDescription = itemView.findViewById(R.id.product_description);
+            tvCategory = itemView.findViewById(R.id.product_category);
+            tvPrice = itemView.findViewById(R.id.product_price);
+        }
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/ForgotPasswordActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/ForgotPasswordActivity.java
index 85d5bf5..3ea9ddd 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/ForgotPasswordActivity.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/ForgotPasswordActivity.java
@@ -12,6 +12,9 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.android.material.textfield.TextInputEditText;
 import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.manager.UserManager;
+
+import java.util.Random;
 
 public class ForgotPasswordActivity extends AppCompatActivity {
 
@@ -22,12 +25,15 @@ public class ForgotPasswordActivity extends AppCompatActivity {
 
     private CountDownTimer countDownTimer;
     private boolean isCounting = false;
+    private String verificationCode = "";
+    private UserManager userManager;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_forgot_password);
 
+        userManager = UserManager.getInstance(this);
         initViews();
         setupClickListeners();
     }
@@ -63,21 +69,54 @@ public class ForgotPasswordActivity extends AppCompatActivity {
     private void sendVerificationCode() {
         String phone = etPhone.getText().toString().trim();
 
-        if (phone.isEmpty()) {
-            etPhone.setError("请输入手机号");
+        if (!validatePhone(phone)) {
             return;
         }
 
-        if (phone.length() != 11) {
-            etPhone.setError("手机号格式不正确");
+        // 检查用户是否存在
+        if (!userManager.isPhoneRegistered(phone)) {
+            etPhone.setError("该手机号未注册");
+            etPhone.requestFocus();
+            Toast.makeText(this, "该手机号未注册，请先注册", Toast.LENGTH_SHORT).show();
             return;
         }
 
         if (!isCounting) {
+            // 生成随机验证码
+            verificationCode = generateVerificationCode();
             startCountDown();
-            Toast.makeText(this, "验证码已发送", Toast.LENGTH_SHORT).show();
-            // 这里应该调用后端API发送验证码
+
+            // 模拟发送验证码（在实际应用中应该通过短信发送）
+            Toast.makeText(this, "验证码已发送: " + verificationCode, Toast.LENGTH_LONG).show();
+        }
+    }
+
+    private boolean validatePhone(String phone) {
+        if (phone.isEmpty()) {
+            etPhone.setError("请输入手机号");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (phone.length() != 11) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (!phone.startsWith("1")) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
         }
+
+        return true;
+    }
+
+    private String generateVerificationCode() {
+        Random random = new Random();
+        int code = 100000 + random.nextInt(900000);
+        return String.valueOf(code);
     }
 
     private void startCountDown() {
@@ -95,6 +134,8 @@ public class ForgotPasswordActivity extends AppCompatActivity {
                 isCounting = false;
                 btnSendCode.setEnabled(true);
                 btnSendCode.setText("发送验证码");
+                // 验证码过期
+                verificationCode = "";
             }
         }.start();
     }
@@ -104,43 +145,144 @@ public class ForgotPasswordActivity extends AppCompatActivity {
         String code = etVerificationCode.getText().toString().trim();
         String newPassword = etNewPassword.getText().toString().trim();
 
-        if (phone.isEmpty()) {
-            etPhone.setError("请输入手机号");
+        if (!validateResetInput(phone, code, newPassword)) {
             return;
         }
 
-        if (code.isEmpty()) {
-            etVerificationCode.setError("请输入验证码");
+        // 验证验证码
+        if (!code.equals(verificationCode)) {
+            etVerificationCode.setError("验证码错误");
+            etVerificationCode.requestFocus();
+            Toast.makeText(this, "请输入正确的验证码", Toast.LENGTH_SHORT).show();
             return;
         }
 
-        if (newPassword.isEmpty()) {
-            etNewPassword.setError("请输入新密码");
+        // 检查验证码是否过期
+        if (verificationCode.isEmpty()) {
+            etVerificationCode.setError("验证码已过期，请重新获取");
+            etVerificationCode.requestFocus();
+            Toast.makeText(this, "验证码已过期，请重新获取", Toast.LENGTH_SHORT).show();
             return;
         }
 
+        // 重置密码
+        boolean success = userManager.resetPassword(phone, newPassword);
+        if (success) {
+            performResetSuccess(phone);
+        } else {
+            Toast.makeText(this, "重置密码失败，请检查手机号是否正确", Toast.LENGTH_SHORT).show();
+            etPhone.setError("手机号未注册或不存在");
+            etPhone.requestFocus();
+        }
+    }
+
+    private boolean validateResetInput(String phone, String code, String newPassword) {
+        // 验证手机号
+        if (phone.isEmpty()) {
+            etPhone.setError("请输入手机号");
+            etPhone.requestFocus();
+            return false;
+        }
+
         if (phone.length() != 11) {
             etPhone.setError("手机号格式不正确");
-            return;
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (!phone.startsWith("1")) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        // 验证验证码
+        if (code.isEmpty()) {
+            etVerificationCode.setError("请输入验证码");
+            etVerificationCode.requestFocus();
+            return false;
+        }
+
+        if (code.length() != 6) {
+            etVerificationCode.setError("验证码格式不正确");
+            etVerificationCode.requestFocus();
+            return false;
+        }
+
+        // 验证新密码
+        if (newPassword.isEmpty()) {
+            etNewPassword.setError("请输入新密码");
+            etNewPassword.requestFocus();
+            return false;
         }
 
         if (newPassword.length() < 6) {
             etNewPassword.setError("密码至少6位");
-            return;
+            etNewPassword.requestFocus();
+            return false;
+        }
+
+        if (newPassword.length() > 20) {
+            etNewPassword.setError("密码最多20位");
+            etNewPassword.requestFocus();
+            return false;
         }
 
-        // 模拟重置密码成功
-        performResetPassword();
+        // 检查密码强度（可选增强）
+        if (!isPasswordStrong(newPassword)) {
+            etNewPassword.setError("密码过于简单，建议包含字母和数字");
+            etNewPassword.requestFocus();
+            return false;
+        }
+
+        return true;
+    }
+
+    private boolean isPasswordStrong(String password) {
+        // 简单的密码强度检查：至少包含字母和数字
+        boolean hasLetter = false;
+        boolean hasDigit = false;
+
+        for (char c : password.toCharArray()) {
+            if (Character.isLetter(c)) {
+                hasLetter = true;
+            } else if (Character.isDigit(c)) {
+                hasDigit = true;
+            }
+
+            // 如果已经满足条件，提前返回
+            if (hasLetter && hasDigit) {
+                return true;
+            }
+        }
+
+        return hasLetter && hasDigit;
     }
 
-    private void performResetPassword() {
+    private void performResetSuccess(String phone) {
         Toast.makeText(this, "密码重置成功!", Toast.LENGTH_SHORT).show();
-        // 重置成功后跳转到登录页面
+
+        // 重置成功后跳转到登录页面，并传递手机号方便用户登录
         Intent intent = new Intent(ForgotPasswordActivity.this, LoginActivity.class);
+        intent.putExtra("phone", phone);
+        intent.putExtra("from_forgot_password", true);
         startActivity(intent);
         finish();
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        // 如果从Intent中获取到手机号，自动填充
+        Intent intent = getIntent();
+        if (intent != null && intent.hasExtra("phone")) {
+            String phone = intent.getStringExtra("phone");
+            if (phone != null && !phone.isEmpty()) {
+                etPhone.setText(phone);
+            }
+        }
+    }
+
     @Override
     protected void onDestroy() {
         super.onDestroy();
@@ -148,4 +290,4 @@ public class ForgotPasswordActivity extends AppCompatActivity {
             countDownTimer.cancel();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/LoginActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/LoginActivity.java
index ef5b6a6..90d4e51 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/LoginActivity.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/LoginActivity.java
@@ -1,6 +1,7 @@
 package com.startsmake.llrisetabbardemo.activity;
 
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.widget.Button;
 import android.widget.TextView;
@@ -10,20 +11,35 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.android.material.textfield.TextInputEditText;
 import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.manager.UserManager;
+import com.startsmake.llrisetabbardemo.model.User;
 
 public class LoginActivity extends AppCompatActivity {
 
     private TextInputEditText etPhone, etPassword;
     private Button btnLogin, btnSkipLogin;
     private TextView tvForgotPassword, tvRegister;
+    private UserManager userManager;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
 
+        // 初始化用户管理器
+        userManager = UserManager.getInstance(this);
+
+        // 移除自动登录检查，让用户手动登录
+        // if (userManager.isLoggedIn()) {
+        //     navigateToMain();
+        //     return;
+        // }
+
         initViews();
         setupClickListeners();
+
+        // 检查是否有从其他页面传递过来的手机号
+        handleIntentData();
     }
 
     private void initViews() {
@@ -55,36 +71,97 @@ public class LoginActivity extends AppCompatActivity {
         });
     }
 
+    private void handleIntentData() {
+        Intent intent = getIntent();
+        if (intent != null && intent.hasExtra("phone")) {
+            String phone = intent.getStringExtra("phone");
+            if (phone != null && !phone.isEmpty()) {
+                etPhone.setText(phone);
+                // 自动聚焦到密码输入框
+                etPassword.requestFocus();
+            }
+        }
+    }
+
     private void attemptLogin() {
         String phone = etPhone.getText().toString().trim();
         String password = etPassword.getText().toString().trim();
 
+        if (!validateInput(phone, password)) {
+            return;
+        }
+
+        // 使用 UserManager 进行登录验证
+        User user = userManager.loginUser(phone, password);
+
+        if (user != null) {
+            // 登录成功
+            performLoginSuccess(user);
+        } else {
+            // 登录失败
+            showLoginError();
+        }
+    }
+
+    private boolean validateInput(String phone, String password) {
         if (phone.isEmpty()) {
             etPhone.setError("请输入手机号");
-            return;
+            etPhone.requestFocus();
+            return false;
         }
 
         if (password.isEmpty()) {
             etPassword.setError("请输入密码");
-            return;
+            etPassword.requestFocus();
+            return false;
         }
 
         if (phone.length() != 11) {
             etPhone.setError("手机号格式不正确");
-            return;
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (!phone.startsWith("1")) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (password.length() < 6) {
+            etPassword.setError("密码至少6位");
+            etPassword.requestFocus();
+            return false;
         }
 
-        // 模拟登录成功（因为没有后端）
-        performLogin();
+        return true;
     }
 
-    private void performLogin() {
+    private void performLoginSuccess(User user) {
+        // 保存登录状态和用户信息
+        saveLoginState(user);
         Toast.makeText(this, "登录成功!", Toast.LENGTH_SHORT).show();
         navigateToMain();
     }
 
+    private void saveLoginState(User user) {
+        SharedPreferences sp = getSharedPreferences("user_info", MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+        editor.putBoolean("is_logged_in", true);
+        editor.putString("user_phone", user.getPhone());
+        editor.putString("user_name", user.getUsername());
+        editor.putString("user_token", "mock_token_" + System.currentTimeMillis());
+        editor.apply();
+    }
+
+    private void showLoginError() {
+        Toast.makeText(this, "手机号或密码错误", Toast.LENGTH_SHORT).show();
+        etPassword.setError("密码错误");
+        etPassword.requestFocus();
+    }
+
     private void skipToMain() {
-        Toast.makeText(this, "跳过登录，进入主界面", Toast.LENGTH_SHORT).show();
+        Toast.makeText(this, "游客模式进入", Toast.LENGTH_SHORT).show();
         navigateToMain();
     }
 
@@ -93,4 +170,10 @@ public class LoginActivity extends AppCompatActivity {
         startActivity(intent);
         finish();
     }
-}
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        // 清理资源
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
index 785d556..629825f 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
@@ -4,27 +4,24 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Toast;
 
-// 改为 AndroidX
 import androidx.appcompat.app.AppCompatActivity;
-
-import  androidx.fragment.app.Fragment;
-
+import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentTransaction;
 
-import com.startsmake.llrisetabbardemo.fragment.PublishFragment;
-import com.startsmake.llrisetabbardemo.fragment.HomeFragment;
-
 import com.startsmake.llrisetabbardemo.R;
 import com.startsmake.llrisetabbardemo.fragment.CityFragment;
 import com.startsmake.llrisetabbardemo.fragment.HomeFragment;
 import com.startsmake.llrisetabbardemo.fragment.MessageFragment;
 import com.startsmake.llrisetabbardemo.fragment.PersonFragment;
+import com.startsmake.llrisetabbardemo.fragment.PublishFragment;
 import com.startsmake.mainnavigatetabbar.widget.MainNavigateTabBar;
 
+import java.util.List;
+
 public class MainActivity extends AppCompatActivity {
 
     private static final String TAG_PAGE_HOME = "首页";
-    private static final String TAG_PAGE_CITY = "同城";
+    private static final String TAG_PAGE_CITY = "集市";
     private static final String TAG_PAGE_PUBLISH = "发布";
     private static final String TAG_PAGE_MESSAGE = "消息";
     private static final String TAG_PAGE_PERSON = "我的";
@@ -36,24 +33,56 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        mNavigateTabBar = (MainNavigateTabBar) findViewById(R.id.mainTabBar);
+        // 初始化视图，传递 savedInstanceState
+        initViews(savedInstanceState);
+
+        // 检查登录状态（可选）
+        checkLoginStatus();
+    }
+
+    private void initViews(Bundle savedInstanceState) {
+        try {
+            mNavigateTabBar = findViewById(R.id.mainTabBar);
 
-        mNavigateTabBar.onRestoreInstanceState(savedInstanceState);
+            if (mNavigateTabBar == null) {
+                Toast.makeText(this, "底部导航栏初始化失败", Toast.LENGTH_SHORT).show();
+                return;
+            }
 
-        mNavigateTabBar.addTab(HomeFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_home, R.mipmap.comui_tab_home_selected, TAG_PAGE_HOME));
-        mNavigateTabBar.addTab(CityFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_city, R.mipmap.comui_tab_city_selected, TAG_PAGE_CITY));
+            mNavigateTabBar.onRestoreInstanceState(savedInstanceState);
 
-        // 修正：移除重复的发布标签，只保留一个
-        mNavigateTabBar.addTab(null, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_post, R.mipmap.comui_tab_post, TAG_PAGE_PUBLISH));
+            // 添加Tab
+            mNavigateTabBar.addTab(HomeFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_home, R.mipmap.comui_tab_home_selected, TAG_PAGE_HOME));
+            mNavigateTabBar.addTab(CityFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_city, R.mipmap.comui_tab_city_selected, TAG_PAGE_CITY));
+            mNavigateTabBar.addTab(null, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_post, R.mipmap.comui_tab_post, TAG_PAGE_PUBLISH)); // 发布按钮
+            mNavigateTabBar.addTab(MessageFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_message, R.mipmap.comui_tab_message_selected, TAG_PAGE_MESSAGE));
+            mNavigateTabBar.addTab(PersonFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_person, R.mipmap.comui_tab_person_selected, TAG_PAGE_PERSON));
 
-        mNavigateTabBar.addTab(MessageFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_message, R.mipmap.comui_tab_message_selected, TAG_PAGE_MESSAGE));
-        mNavigateTabBar.addTab(PersonFragment.class, new MainNavigateTabBar.TabParam(R.mipmap.comui_tab_person, R.mipmap.comui_tab_person_selected, TAG_PAGE_PERSON));
+        } catch (Exception e) {
+            Toast.makeText(this, "界面初始化失败", Toast.LENGTH_SHORT).show();
+            e.printStackTrace();
+        }
     }
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        mNavigateTabBar.onSaveInstanceState(outState);
+        if (mNavigateTabBar != null) {
+            mNavigateTabBar.onSaveInstanceState(outState);
+        }
+    }
+
+    private void checkLoginStatus() {
+        // 这里可以根据需要决定是否强制登录
+        // 如果应用要求必须登录，可以在这里跳转到登录页面
+        /*
+        SharedPreferences sp = getSharedPreferences("user_info", MODE_PRIVATE);
+        if (!sp.getBoolean("is_logged_in", false)) {
+            Intent intent = new Intent(this, LoginActivity.class);
+            startActivity(intent);
+            finish();
+        }
+        */
     }
 
     // 发布按钮点击事件
@@ -64,48 +93,129 @@ public class MainActivity extends AppCompatActivity {
 
     // 切换到发布Fragment
     public void switchToPublishFragment() {
-        PublishFragment publishFragment = new PublishFragment();
+        try {
+            PublishFragment publishFragment = new PublishFragment();
 
-        // 使用FragmentTransaction来显示发布页面
-        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+            // 使用FragmentTransaction来显示发布页面
+            FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 
-        // 替换当前显示的Fragment
-        transaction.replace(R.id.container, publishFragment, "PublishFragment");
-        transaction.addToBackStack("publish"); // 允许用户按返回键回到之前的Fragment
-        transaction.commit();
+            // 替换当前显示的Fragment
+            transaction.replace(R.id.main_container, publishFragment, "PublishFragment");
+            transaction.addToBackStack("publish"); // 允许用户按返回键回到之前的Fragment
+            transaction.commit();
+
+        } catch (Exception e) {
+            Toast.makeText(this, "打开发布页面失败", Toast.LENGTH_SHORT).show();
+            e.printStackTrace();
+        }
     }
 
     // 切换回首页Fragment
     public void switchToHomeFragment() {
-        // 返回到首页
-        getSupportFragmentManager().popBackStackImmediate();
-
-        // 确保底部导航栏选中首页
-        if (mNavigateTabBar != null) {
-            mNavigateTabBar.setCurrentSelectedTab(0); // 0 是首页的索引
+        try {
+            // 返回到首页
+            if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
+                getSupportFragmentManager().popBackStackImmediate();
+            } else {
+                // 如果后退栈为空，直接切换到首页
+                HomeFragment homeFragment = new HomeFragment();
+                FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+                transaction.replace(R.id.main_container, homeFragment, TAG_PAGE_HOME);
+                transaction.commit();
+            }
+
+            // 确保底部导航栏选中首页
+            if (mNavigateTabBar != null) {
+                mNavigateTabBar.setCurrentSelectedTab(0); // 0 是首页的索引
+            }
+
+        } catch (Exception e) {
+            Toast.makeText(this, "返回首页失败", Toast.LENGTH_SHORT).show();
+            e.printStackTrace();
         }
     }
 
     // 获取HomeFragment实例的方法
     public HomeFragment getHomeFragment() {
-        // 这里根据您的实际情况获取HomeFragment
-        // 如果HomeFragment是当前显示的Fragment，可以通过Tag获取
-        Fragment fragment = getSupportFragmentManager().findFragmentByTag("home");
-        if (fragment instanceof HomeFragment) {
-            return (HomeFragment) fragment;
+        try {
+            // 方法1：通过Tag查找
+            Fragment fragment = getSupportFragmentManager().findFragmentByTag(TAG_PAGE_HOME);
+            if (fragment instanceof HomeFragment) {
+                return (HomeFragment) fragment;
+            }
+
+            // 方法2：遍历所有Fragment找到HomeFragment实例
+            List<Fragment> fragments = getSupportFragmentManager().getFragments();
+            if (fragments != null) {
+                for (Fragment fragmentItem : fragments) {
+                    if (fragmentItem instanceof HomeFragment && fragmentItem.isVisible()) {
+                        return (HomeFragment) fragmentItem;
+                    }
+                }
+            }
+
+            // 方法3：查找当前显示的Fragment
+            Fragment currentFragment = getSupportFragmentManager().findFragmentById(R.id.main_container);
+            if (currentFragment instanceof HomeFragment) {
+                return (HomeFragment) currentFragment;
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
         }
         return null;
     }
 
-    // 获取HomeFragment实例的方法
-    public HomeFragment getHomeFragment() {
-        // 这里根据您的实际情况获取HomeFragment
-        // 如果HomeFragment是当前显示的Fragment，可以通过Tag获取
-        Fragment fragment = getSupportFragmentManager().findFragmentByTag("home");
-        if (fragment instanceof HomeFragment) {
-            return (HomeFragment) fragment;
+    @Override
+    public void onBackPressed() {
+        // 处理返回键
+        if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
+            // 如果有Fragment在后退栈中，先弹出
+            getSupportFragmentManager().popBackStack();
+
+            // 确保底部导航栏状态正确
+            if (mNavigateTabBar != null) {
+                mNavigateTabBar.setCurrentSelectedTab(0); // 回到首页
+            }
+        } else {
+            // 双击退出应用
+            if (isTaskRoot()) {
+                // 如果是应用的根Activity，可以实现双击退出
+                if (doubleBackToExitPressedOnce) {
+                    super.onBackPressed();
+                    return;
+                }
+
+                this.doubleBackToExitPressedOnce = true;
+                Toast.makeText(this, "再按一次退出应用", Toast.LENGTH_SHORT).show();
+
+                handler.postDelayed(() -> doubleBackToExitPressedOnce = false, 2000);
+            } else {
+                super.onBackPressed();
+            }
         }
-        return null;
     }
 
+    // 双击退出相关变量
+    private boolean doubleBackToExitPressedOnce = false;
+    private android.os.Handler handler = new android.os.Handler();
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        // 清理Handler防止内存泄漏
+        handler.removeCallbacksAndMessages(null);
+    }
+
+    // 切换到指定Tab的方法 - 简化版本
+    public void switchToTab(int tabIndex) {
+        if (mNavigateTabBar != null && tabIndex >= 0 && tabIndex <= 4) { // 假设有5个tab
+            mNavigateTabBar.setCurrentSelectedTab(tabIndex);
+        }
+    }
+
+    // 显示Toast的便捷方法
+    public void showToast(String message) {
+        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
+    }
 }
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/RegisterActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/RegisterActivity.java
index b962695..f061889 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/RegisterActivity.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/RegisterActivity.java
@@ -12,6 +12,10 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.android.material.textfield.TextInputEditText;
 import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.manager.UserManager;
+import com.startsmake.llrisetabbardemo.model.User;
+
+import java.util.Random;
 
 public class RegisterActivity extends AppCompatActivity {
 
@@ -22,12 +26,15 @@ public class RegisterActivity extends AppCompatActivity {
 
     private CountDownTimer countDownTimer;
     private boolean isCounting = false;
+    private String verificationCode = "";
+    private UserManager userManager;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_register);
 
+        userManager = UserManager.getInstance(this);
         initViews();
         setupClickListeners();
     }
@@ -63,23 +70,55 @@ public class RegisterActivity extends AppCompatActivity {
     private void sendVerificationCode() {
         String phone = etPhone.getText().toString().trim();
 
-        if (phone.isEmpty()) {
-            etPhone.setError("请输入手机号");
+        if (!validatePhone(phone)) {
             return;
         }
 
-        if (phone.length() != 11) {
-            etPhone.setError("手机号格式不正确");
+        // 检查用户是否已存在
+        if (userManager.isPhoneRegistered(phone)) {
+            etPhone.setError("该手机号已注册");
+            etPhone.requestFocus();
             return;
         }
 
         if (!isCounting) {
+            // 生成随机验证码
+            verificationCode = generateVerificationCode();
             startCountDown();
-            Toast.makeText(this, "验证码已发送", Toast.LENGTH_SHORT).show();
-            // 这里应该调用后端API发送验证码
+
+            // 模拟发送验证码（在实际应用中应该通过短信发送）
+            Toast.makeText(this, "验证码已发送: " + verificationCode, Toast.LENGTH_LONG).show();
         }
     }
 
+    private boolean validatePhone(String phone) {
+        if (phone.isEmpty()) {
+            etPhone.setError("请输入手机号");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (phone.length() != 11) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (!phone.startsWith("1")) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        return true;
+    }
+
+    private String generateVerificationCode() {
+        Random random = new Random();
+        int code = 100000 + random.nextInt(900000);
+        return String.valueOf(code);
+    }
+
     private void startCountDown() {
         isCounting = true;
         btnSendCode.setEnabled(false);
@@ -95,6 +134,8 @@ public class RegisterActivity extends AppCompatActivity {
                 isCounting = false;
                 btnSendCode.setEnabled(true);
                 btnSendCode.setText("发送验证码");
+                // 验证码过期
+                verificationCode = "";
             }
         }.start();
     }
@@ -104,41 +145,109 @@ public class RegisterActivity extends AppCompatActivity {
         String code = etVerificationCode.getText().toString().trim();
         String password = etPassword.getText().toString().trim();
 
-        if (phone.isEmpty()) {
-            etPhone.setError("请输入手机号");
+        if (!validateRegisterInput(phone, code, password)) {
             return;
         }
 
-        if (code.isEmpty()) {
-            etVerificationCode.setError("请输入验证码");
+        // 验证验证码
+        if (!code.equals(verificationCode)) {
+            etVerificationCode.setError("验证码错误");
+            etVerificationCode.requestFocus();
+            Toast.makeText(this, "请输入正确的验证码", Toast.LENGTH_SHORT).show();
             return;
         }
 
-        if (password.isEmpty()) {
-            etPassword.setError("请输入密码");
+        // 检查验证码是否过期
+        if (verificationCode.isEmpty()) {
+            etVerificationCode.setError("验证码已过期，请重新获取");
+            etVerificationCode.requestFocus();
+            Toast.makeText(this, "验证码已过期，请重新获取", Toast.LENGTH_SHORT).show();
             return;
         }
 
+        // 注册用户
+        boolean success = userManager.registerUser(phone, password);
+        if (success) {
+            performRegisterSuccess(phone, password);
+        } else {
+            Toast.makeText(this, "注册失败，该手机号已注册", Toast.LENGTH_SHORT).show();
+            etPhone.setError("该手机号已注册");
+            etPhone.requestFocus();
+        }
+    }
+
+    private boolean validateRegisterInput(String phone, String code, String password) {
+        // 验证手机号
+        if (phone.isEmpty()) {
+            etPhone.setError("请输入手机号");
+            etPhone.requestFocus();
+            return false;
+        }
+
         if (phone.length() != 11) {
             etPhone.setError("手机号格式不正确");
-            return;
+            etPhone.requestFocus();
+            return false;
+        }
+
+        if (!phone.startsWith("1")) {
+            etPhone.setError("手机号格式不正确");
+            etPhone.requestFocus();
+            return false;
+        }
+
+        // 验证验证码
+        if (code.isEmpty()) {
+            etVerificationCode.setError("请输入验证码");
+            etVerificationCode.requestFocus();
+            return false;
+        }
+
+        if (code.length() != 6) {
+            etVerificationCode.setError("验证码格式不正确");
+            etVerificationCode.requestFocus();
+            return false;
+        }
+
+        // 验证密码
+        if (password.isEmpty()) {
+            etPassword.setError("请输入密码");
+            etPassword.requestFocus();
+            return false;
         }
 
         if (password.length() < 6) {
             etPassword.setError("密码至少6位");
-            return;
+            etPassword.requestFocus();
+            return false;
+        }
+
+        if (password.length() > 20) {
+            etPassword.setError("密码最多20位");
+            etPassword.requestFocus();
+            return false;
         }
 
-        // 模拟注册成功
-        performRegister();
+        return true;
     }
 
-    private void performRegister() {
+    private void performRegisterSuccess(String phone, String password) {
         Toast.makeText(this, "注册成功!", Toast.LENGTH_SHORT).show();
-        // 注册成功后跳转到登录页面
-        Intent intent = new Intent(RegisterActivity.this, LoginActivity.class);
-        startActivity(intent);
-        finish();
+
+        // 自动登录
+        User user = userManager.loginUser(phone, password);
+        if (user != null) {
+            // 跳转到主页面
+            Intent intent = new Intent(RegisterActivity.this, MainActivity.class);
+            startActivity(intent);
+            finish();
+        } else {
+            // 如果自动登录失败，跳转到登录页面
+            Toast.makeText(this, "注册成功，请登录", Toast.LENGTH_SHORT).show();
+            Intent intent = new Intent(RegisterActivity.this, LoginActivity.class);
+            startActivity(intent);
+            finish();
+        }
     }
 
     @Override
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchActivity.java
new file mode 100644
index 0000000..bfb07e9
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchActivity.java
@@ -0,0 +1,357 @@
+package com.startsmake.llrisetabbardemo.activity;
+
+import android.Manifest;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.text.TextUtils;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
+
+import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.model.Product;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+
+public class SearchActivity extends AppCompatActivity {
+
+    private EditText searchEditText;
+    private ImageButton backButton;
+    private ImageButton cameraButton;
+    private com.google.android.flexbox.FlexboxLayout historyContainer;
+    private com.google.android.flexbox.FlexboxLayout recommendContainer;
+    private TextView clearHistoryText;
+    private TextView expandHistoryText;
+
+    private SharedPreferences sharedPreferences;
+    private static final String SEARCH_HISTORY = "search_history";
+    private static final int MAX_HISTORY_COUNT = 6; // 最大存储6条
+    private static final int VISIBLE_HISTORY_COUNT = 4; // 默认显示4条
+    private boolean isHistoryExpanded = false;
+
+    // 相机相关变量
+    private static final int CAMERA_REQUEST_CODE = 1001;
+    private static final int CAMERA_PERMISSION_REQUEST_CODE = 1002;
+    private String currentPhotoPath;
+
+    private List<Product> allProducts;
+    private List<String> recommendKeywords;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_search);
+
+        initViews();
+        initData();
+        loadSearchHistory();
+        setupRecommendations();
+    }
+
+    private void initViews() {
+        searchEditText = findViewById(R.id.search_edit_text);
+        backButton = findViewById(R.id.back_button);
+        cameraButton = findViewById(R.id.camera_button);
+        historyContainer = findViewById(R.id.history_container);
+        recommendContainer = findViewById(R.id.recommend_container);
+        clearHistoryText = findViewById(R.id.clear_history_text);
+        expandHistoryText = findViewById(R.id.expand_history_text);
+        TextView searchButton = findViewById(R.id.search_button);
+
+        // 设置返回按钮
+        backButton.setOnClickListener((View v) -> finish());
+
+        // 设置搜索按钮点击事件
+        searchButton.setOnClickListener((View v) -> {
+            performSearch();
+        });
+
+        // 设置搜索页面的相机按钮
+        cameraButton.setOnClickListener((View v) -> {
+            if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
+                openCamera();
+            } else {
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+                    requestPermissions(new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
+                } else {
+                    openCamera();
+                }
+            }
+        });
+
+        // 设置搜索功能
+        searchEditText.setOnEditorActionListener((v, actionId, event) -> {
+            if (actionId == EditorInfo.IME_ACTION_SEARCH) {
+                performSearch();
+                return true;
+            }
+            return false;
+        });
+
+        // 清空历史记录
+        clearHistoryText.setOnClickListener((View v) -> clearSearchHistory());
+
+        // 设置展开/收起按钮
+        expandHistoryText.setOnClickListener((View v) -> {
+            isHistoryExpanded = !isHistoryExpanded;
+            loadSearchHistory();
+        });
+    }
+
+    private void initData() {
+        sharedPreferences = getSharedPreferences("search_prefs", MODE_PRIVATE);
+
+        // 初始化商品数据
+        allProducts = new ArrayList<>();
+        allProducts.add(new Product("1", "Java编程思想", "计算机专业教材", "学习资料", 45.0, ""));
+        allProducts.add(new Product("2", "高等数学教材", "大学数学课本", "学习资料", 30.0, ""));
+        allProducts.add(new Product("3", "笔记本电脑", "二手联想笔记本", "数码产品", 1200.0, ""));
+        allProducts.add(new Product("4", "台灯", "护眼学习台灯", "生活用品", 25.0, ""));
+        allProducts.add(new Product("5", "Python入门", "编程学习书籍", "学习资料", 35.0, ""));
+        allProducts.add(new Product("6", "机械键盘", "客制化机械键盘", "数码产品", 150.0, ""));
+        allProducts.add(new Product("7", "电钢琴", "雅马哈电钢琴", "乐器", 800.0, ""));
+        allProducts.add(new Product("8", "笔记本", "八成新游戏本", "数码产品", 2000.0, ""));
+        allProducts.add(new Product("9", "电动车", "二手电动车", "交通工具", 600.0, ""));
+        allProducts.add(new Product("10", "厚外套", "冬季保暖外套", "服装", 80.0, ""));
+
+        // 初始化推荐关键词
+        recommendKeywords = Arrays.asList(
+                "Java编程教材", "Python入门书籍", "高等数学课本", "英语四级真题", "考研政治资料", "计算机专业课", "电路分析教程", "机械制图教材", "经济学原理", "心理学导论", "设计素描本", "专业课程笔记","二手笔记本电脑", "机械键盘", "无线鼠标", "蓝牙耳机", "平板电脑", "智能手机", "充电宝", "U盘硬盘", "显示器", "路由器", "相机镜头", "游戏手柄","台灯", "插排", "收纳箱", "穿衣镜",
+                "瑜伽垫", "体重秤", "电风扇", "暖手宝", "床上桌", "衣柜", "鞋架", "晾衣架","羽毛球拍", "篮球足球", "滑板轮滑", "吉他乐器",
+                "画笔画具", "围棋象棋", "游泳装备", "健身器材", "登山背包", "帐篷睡袋", "摄影三脚架", "书法字帖"
+        );
+    }
+
+    private void loadSearchHistory() {
+        Set<String> historySet = sharedPreferences.getStringSet(SEARCH_HISTORY, new HashSet<>());
+        List<String> historyList = new ArrayList<>(historySet);
+
+        // 按照搜索顺序排序（后搜索的在前）
+        Collections.reverse(historyList);
+
+        historyContainer.removeAllViews();
+
+        if (historyList.isEmpty()) {
+            findViewById(R.id.history_title).setVisibility(View.GONE);
+            clearHistoryText.setVisibility(View.GONE);
+            expandHistoryText.setVisibility(View.GONE);
+        } else {
+            findViewById(R.id.history_title).setVisibility(View.VISIBLE);
+            clearHistoryText.setVisibility(View.VISIBLE);
+
+            // 计算要显示的历史记录数量
+            int showCount = historyList.size();
+            if (!isHistoryExpanded && historyList.size() > VISIBLE_HISTORY_COUNT) {
+                showCount = VISIBLE_HISTORY_COUNT;
+            }
+
+            // 显示历史记录标签
+            for (int i = 0; i < showCount; i++) {
+                String keyword = historyList.get(i);
+                TextView historyTag = createTagView(keyword, true);
+                historyContainer.addView(historyTag);
+            }
+
+            // 显示展开/收起按钮
+            if (historyList.size() > VISIBLE_HISTORY_COUNT) {
+                expandHistoryText.setVisibility(View.VISIBLE);
+                if (isHistoryExpanded) {
+                    expandHistoryText.setText("收起");
+                } else {
+                    expandHistoryText.setText("展开更多(" + (historyList.size() - VISIBLE_HISTORY_COUNT) + ")");
+                }
+            } else {
+                expandHistoryText.setVisibility(View.GONE);
+            }
+        }
+    }
+
+    private void saveSearchHistory(String query) {
+        Set<String> historySet = sharedPreferences.getStringSet(SEARCH_HISTORY, new HashSet<>());
+        Set<String> newSet = new LinkedHashSet<>(); // 使用LinkedHashSet保持顺序
+
+        // 先添加新的搜索（确保在最前面）
+        newSet.add(query);
+
+        // 添加其他历史记录（排除重复项）
+        for (String item : historySet) {
+            if (!item.equals(query)) {
+                newSet.add(item);
+            }
+        }
+
+        // 如果超过最大数量，移除最旧的
+        if (newSet.size() > MAX_HISTORY_COUNT) {
+            List<String> list = new ArrayList<>(newSet);
+            // 保留最新的6条
+            List<String> newList = list.subList(0, MAX_HISTORY_COUNT);
+            newSet = new LinkedHashSet<>(newList);
+        }
+
+        sharedPreferences.edit().putStringSet(SEARCH_HISTORY, newSet).apply();
+    }
+
+    // 相机相关方法保持不变
+    private void openCamera() {
+        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+        if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
+            File photoFile = null;
+            try {
+                photoFile = createImageFile();
+            } catch (IOException ex) {
+                Toast.makeText(this, "创建文件失败", Toast.LENGTH_SHORT).show();
+            }
+
+            if (photoFile != null) {
+                currentPhotoPath = photoFile.getAbsolutePath();
+                Uri photoURI = FileProvider.getUriForFile(this,
+                        getPackageName() + ".fileprovider",
+                        photoFile);
+                takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
+                startActivityForResult(takePictureIntent, CAMERA_REQUEST_CODE);
+            }
+        } else {
+            Toast.makeText(this, "未找到相机应用", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private File createImageFile() throws IOException {
+        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date());
+        String imageFileName = "JPEG_" + timeStamp + "_";
+        File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
+        return File.createTempFile(
+                imageFileName,
+                ".jpg",
+                storageDir
+        );
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == CAMERA_REQUEST_CODE && resultCode == RESULT_OK) {
+            if (currentPhotoPath != null) {
+                Toast.makeText(this, "拍照成功，开始搜索...", Toast.LENGTH_SHORT).show();
+                searchEditText.setText("图片搜索中...");
+                performImageSearch();
+            }
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == CAMERA_PERMISSION_REQUEST_CODE) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                openCamera();
+            } else {
+                Toast.makeText(this, "需要相机权限才能拍照搜索", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    // 图片搜索功能
+    private void performImageSearch() {
+        List<Product> similarProducts = findSimilarProducts();
+
+        if (similarProducts.isEmpty()) {
+            searchEditText.setText("未找到相似商品");
+            Toast.makeText(this, "未找到相似商品", Toast.LENGTH_SHORT).show();
+        } else {
+            Intent intent = new Intent(this, SearchResultsActivity.class);
+            intent.putExtra("search_type", "image");
+            intent.putExtra("search_query", "图片搜索结果");
+            ArrayList<Product> productList = new ArrayList<>(similarProducts);
+            intent.putExtra("similar_products", productList);
+            startActivity(intent);
+        }
+    }
+
+    private List<Product> findSimilarProducts() {
+        List<Product> similarProducts = new ArrayList<>();
+        Collections.shuffle(allProducts);
+        similarProducts = allProducts.subList(0, Math.min(5, allProducts.size()));
+        return similarProducts;
+    }
+
+    private void setupRecommendations() {
+        List<String> randomRecommends = new ArrayList<>(recommendKeywords);
+        Collections.shuffle(randomRecommends);
+        List<String> selectedRecommends = randomRecommends.subList(0, Math.min(6, randomRecommends.size()));
+
+        recommendContainer.removeAllViews();
+
+        for (String keyword : selectedRecommends) {
+            TextView recommendTag = createTagView(keyword, false);
+            recommendContainer.addView(recommendTag);
+        }
+    }
+
+    private TextView createTagView(String keyword, boolean isHistory) {
+        TextView tagView = new TextView(this);
+        com.google.android.flexbox.FlexboxLayout.LayoutParams params = new com.google.android.flexbox.FlexboxLayout.LayoutParams(
+                com.google.android.flexbox.FlexboxLayout.LayoutParams.WRAP_CONTENT,
+                com.google.android.flexbox.FlexboxLayout.LayoutParams.WRAP_CONTENT
+        );
+        params.setMargins(0, 0, 16, 16);
+        tagView.setLayoutParams(params);
+
+        tagView.setPadding(32, 16, 32, 16);
+        tagView.setText(keyword);
+        tagView.setTextSize(14);
+        tagView.setBackgroundResource(R.drawable.tag_background);
+        tagView.setTextColor(getResources().getColor(android.R.color.darker_gray));
+
+        tagView.setOnClickListener(v -> {
+            searchEditText.setText(keyword);
+            performSearch();
+        });
+
+        return tagView;
+    }
+
+    private void performSearch() {
+        String query = searchEditText.getText().toString().trim();
+        if (!TextUtils.isEmpty(query)) {
+            saveSearchHistory(query);
+            Intent intent = new Intent(this, SearchResultsActivity.class);
+            intent.putExtra("search_query", query);
+            startActivity(intent);
+        }
+    }
+
+    private void clearSearchHistory() {
+        sharedPreferences.edit().remove(SEARCH_HISTORY).apply();
+        loadSearchHistory();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        loadSearchHistory();
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchResultsActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchResultsActivity.java
new file mode 100644
index 0000000..6809155
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/SearchResultsActivity.java
@@ -0,0 +1,115 @@
+package com.startsmake.llrisetabbardemo.activity;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.adapter.SearchAdapter;
+import com.startsmake.llrisetabbardemo.model.Product;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SearchResultsActivity extends AppCompatActivity {
+
+    private RecyclerView resultsRecyclerView;
+    private TextView searchQueryText;
+    private SearchAdapter searchAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_search_results);
+
+        initViews();
+        loadSearchResults();
+    }
+
+    private void initViews() {
+        resultsRecyclerView = findViewById(R.id.results_recycler_view);
+        searchQueryText = findViewById(R.id.search_query_text);
+
+        String query = getIntent().getStringExtra("search_query");
+        searchQueryText.setText("搜索结果: " + query);
+
+        searchAdapter = new SearchAdapter(new ArrayList<>());
+        resultsRecyclerView.setLayoutManager(new LinearLayoutManager(this));
+        resultsRecyclerView.setAdapter(searchAdapter);
+
+        // 设置返回按钮 - 修复Lambda表达式参数类型
+        findViewById(R.id.back_button).setOnClickListener((View v) -> {
+            // 确保数据保存后再返回
+            finish();
+        });
+    }
+
+    // 在 loadSearchResults() 方法中添加对图片搜索的支持
+    private void loadSearchResults() {
+        String searchType = getIntent().getStringExtra("search_type");
+        String query = getIntent().getStringExtra("search_query");
+
+        if ("image".equals(searchType)) {
+            // 图片搜索结果
+            List<Product> similarProducts = (List<Product>) getIntent().getSerializableExtra("similar_products");
+            if (similarProducts != null && !similarProducts.isEmpty()) {
+                searchQueryText.setText("图片搜索结果");
+                searchAdapter.updateData(similarProducts);
+                findViewById(R.id.no_results_text).setVisibility(View.GONE);
+                resultsRecyclerView.setVisibility(View.VISIBLE);
+            } else {
+                searchQueryText.setText("图片搜索结果");
+                findViewById(R.id.no_results_text).setVisibility(View.VISIBLE);
+                resultsRecyclerView.setVisibility(View.GONE);
+            }
+        } else {
+            // 文本搜索结果（原有逻辑）
+            if (query != null) {
+                searchQueryText.setText("搜索结果: " + query);
+
+                List<Product> searchResults = searchProducts(query);
+
+                if (searchResults.isEmpty()) {
+                    findViewById(R.id.no_results_text).setVisibility(View.VISIBLE);
+                    resultsRecyclerView.setVisibility(View.GONE);
+                } else {
+                    findViewById(R.id.no_results_text).setVisibility(View.GONE);
+                    resultsRecyclerView.setVisibility(View.VISIBLE);
+                    searchAdapter.updateData(searchResults);
+                }
+            } else {
+                // 处理没有查询参数的情况
+                searchQueryText.setText("搜索结果");
+                findViewById(R.id.no_results_text).setVisibility(View.VISIBLE);
+                resultsRecyclerView.setVisibility(View.GONE);
+            }
+        }
+    }
+    private List<Product> searchProducts(String keyword) {
+        List<Product> results = new ArrayList<>();
+        // 这里使用模拟数据，实际应该从数据库或网络加载
+        List<Product> allProducts = getMockProducts();
+
+        for (Product product : allProducts) {
+            if (product.getName().toLowerCase().contains(keyword.toLowerCase()) ||
+                    product.getDescription().toLowerCase().contains(keyword.toLowerCase()) ||
+                    product.getCategory().toLowerCase().contains(keyword.toLowerCase())) {
+                results.add(product);
+            }
+        }
+        return results;
+    }
+
+    private List<Product> getMockProducts() {
+        List<Product> products = new ArrayList<>();
+        products.add(new Product("1", "Java编程思想", "计算机专业教材", "学习资料", 45.0, ""));
+        products.add(new Product("2", "高等数学教材", "大学数学课本", "学习资料", 30.0, ""));
+        products.add(new Product("3", "笔记本电脑", "二手联想笔记本", "数码产品", 1200.0, ""));
+        products.add(new Product("4", "台灯", "护眼学习台灯", "生活用品", 25.0, ""));
+        products.add(new Product("5", "Python入门", "编程学习书籍", "学习资料", 35.0, ""));
+        return products;
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/ImageAdapter.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/ImageAdapter.java
new file mode 100644
index 0000000..ba35e48
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/ImageAdapter.java
@@ -0,0 +1,84 @@
+package com.startsmake.llrisetabbardemo.adapter;
+
+import android.content.Context;
+import android.net.Uri;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+import com.startsmake.llrisetabbardemo.R;
+
+import java.util.List;
+
+public class ImageAdapter extends BaseAdapter {
+
+    private Context context;
+    private List<Uri> imageUris;
+    private static final int MAX_IMAGES = 9;
+
+    public ImageAdapter(Context context, List<Uri> imageUris) {
+        this.context = context;
+        this.imageUris = imageUris;
+    }
+
+    @Override
+    public int getCount() {
+        return Math.min(imageUris.size() + 1, MAX_IMAGES);
+    }
+
+    @Override
+    public Object getItem(int position) {
+        if (position < imageUris.size()) {
+            return imageUris.get(position);
+        }
+        return null;
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return position;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        ViewHolder holder;
+        if (convertView == null) {
+            convertView = LayoutInflater.from(context).inflate(R.layout.item_image, parent, false);
+            holder = new ViewHolder();
+            holder.imageView = convertView.findViewById(R.id.imageView);
+            holder.deleteButton = convertView.findViewById(R.id.btnDelete);
+            convertView.setTag(holder);
+        } else {
+            holder = (ViewHolder) convertView.getTag();
+        }
+
+        if (position < imageUris.size()) {
+            // 显示已选择的图片
+            Uri imageUri = imageUris.get(position);
+            Glide.with(context)
+                    .load(imageUri)
+                    .placeholder(android.R.drawable.ic_menu_gallery) // 使用系统图标作为占位符
+                    .into(holder.imageView);
+
+            holder.deleteButton.setVisibility(View.VISIBLE);
+            holder.deleteButton.setOnClickListener(v -> {
+                imageUris.remove(position);
+                notifyDataSetChanged();
+            });
+        } else {
+            // 显示添加按钮
+            holder.imageView.setImageResource(android.R.drawable.ic_input_add); // 使用系统图标
+            holder.deleteButton.setVisibility(View.GONE);
+        }
+
+        return convertView;
+    }
+
+    static class ViewHolder {
+        ImageView imageView;
+        ImageView deleteButton;
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/SearchAdapter.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/SearchAdapter.java
new file mode 100644
index 0000000..416ed57
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/adapter/SearchAdapter.java
@@ -0,0 +1,64 @@
+package com.startsmake.llrisetabbardemo.adapter;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.model.Product;
+
+import java.util.List;
+
+public class SearchAdapter extends RecyclerView.Adapter<SearchAdapter.ViewHolder> {
+    private List<Product> productList;
+
+    public SearchAdapter(List<Product> productList) {
+        this.productList = productList;
+    }
+
+    public void updateData(List<Product> newList) {
+        this.productList = newList;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.item_product, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        Product product = productList.get(position);
+        holder.productName.setText(product.getName());
+        holder.productDescription.setText(product.getDescription());
+        holder.productCategory.setText(product.getCategory());
+        holder.productPrice.setText(String.format("¥%.2f", product.getPrice()));
+    }
+
+    @Override
+    public int getItemCount() {
+        return productList.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView productName;
+        TextView productDescription;
+        TextView productCategory;
+        TextView productPrice;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            productName = itemView.findViewById(R.id.product_name);
+            productDescription = itemView.findViewById(R.id.product_description);
+            productCategory = itemView.findViewById(R.id.product_category);
+            productPrice = itemView.findViewById(R.id.product_price);
+        }
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/HomeFragment.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/HomeFragment.java
index 89ced97..3ac1ad8 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/HomeFragment.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/HomeFragment.java
@@ -10,6 +10,7 @@ import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.provider.MediaStore;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -33,6 +34,7 @@ import com.startsmake.llrisetabbardemo.adapter.SearchAdapter;
 import com.startsmake.llrisetabbardemo.activity.SearchActivity;
 import com.startsmake.llrisetabbardemo.activity.SearchResultsActivity;
 import com.startsmake.llrisetabbardemo.model.Product;
+import com.startsmake.llrisetabbardemo.model.Item;
 
 import java.io.File;
 import java.io.IOException;
@@ -50,6 +52,50 @@ import java.util.Locale;
  * Description:
  */
 public class HomeFragment extends Fragment {
+    private static final String TAG = "HomeFragment";
+    public void addNewItem(Item item) {
+        try {
+            Log.d(TAG, "开始添加新商品");
+            if (item == null) {
+                Log.e(TAG, "尝试添加空商品");
+                Toast.makeText(requireContext(), "商品信息无效", Toast.LENGTH_SHORT).show();
+                return;
+            }
+
+            if (productList == null) {
+                productList = new ArrayList<>();
+            }
+
+            // 将Item转换为Product（根据你的数据结构调整）
+            Product newProduct = new Product();
+            newProduct.setId(String.valueOf(System.currentTimeMillis()));
+            newProduct.setName(item.getTitle());
+            newProduct.setDescription(item.getDescription());
+            newProduct.setCategory(item.getCategory());
+            newProduct.setPrice(item.getPrice());
+            newProduct.setImageUrl(""); // 如果没有图片，设为空字符串
+
+            // 添加到列表顶部
+            productList.add(0, newProduct);
+
+            // 更新适配器
+            if (searchAdapter != null) {
+                searchAdapter.updateData(productList);
+            }
+
+            // 显示商品列表，隐藏空状态
+            if (homeProductsRecyclerView != null && homeNoProductsText != null) {
+                homeProductsRecyclerView.setVisibility(View.VISIBLE);
+                homeNoProductsText.setVisibility(View.GONE);
+            }
+
+            Toast.makeText(requireContext(), "商品发布成功！", Toast.LENGTH_SHORT).show();
+
+        } catch (Exception e) {
+            Log.e(TAG, "添加新商品时出错", e);
+            Toast.makeText(requireContext(), "添加商品失败，请重试", Toast.LENGTH_SHORT).show();
+        }
+    }
 
     private EditText searchEditText;
     private ImageButton cameraButton;
@@ -118,12 +164,25 @@ public class HomeFragment extends Fragment {
         setupHomeProductsRecyclerView();
 
         searchEditText.setOnClickListener(v -> {
-            Intent intent = new Intent(getActivity(), SearchActivity.class);
-            startActivity(intent);
+            try {
+                Log.d(TAG, "搜索框被点击");
+                // 使用requireActivity()确保Activity不为null
+                Intent intent = new Intent(requireActivity(), SearchActivity.class);
+                startActivity(intent);
+            } catch (Exception e) {
+                Log.e(TAG, "点击搜索框时出错", e);
+                Toast.makeText(requireContext(), "打开搜索页面失败，请重试", Toast.LENGTH_SHORT).show();
+            }
         });
 
         homeSearchButton.setOnClickListener(v -> {
-            performHomeSearch();
+            try {
+                Log.d(TAG, "搜索按钮被点击");
+                performHomeSearch();
+            } catch (Exception e) {
+                Log.e(TAG, "执行搜索时出错", e);
+                Toast.makeText(requireContext(), "搜索功能暂不可用，请稍后再试", Toast.LENGTH_SHORT).show();
+            }
         });
 
         cameraButton.setOnClickListener(v -> {
@@ -325,16 +384,32 @@ public class HomeFragment extends Fragment {
 
     // 首页搜索功能
     private void performHomeSearch() {
-        String currentHint = searchEditText.getHint().toString();
-        String defaultHint = getResources().getString(R.string.search_hint);
-
-        if (!currentHint.equals(defaultHint) && randomKeywords.contains(currentHint)) {
-            Intent intent = new Intent(getActivity(), SearchResultsActivity.class);
-            intent.putExtra("search_query", currentHint);
-            startActivity(intent);
-        } else {
-            Intent intent = new Intent(getActivity(), SearchActivity.class);
-            startActivity(intent);
+        try {
+            if (searchEditText == null) {
+                Log.e(TAG, "搜索框对象为null");
+                Toast.makeText(requireContext(), "搜索组件初始化失败", Toast.LENGTH_SHORT).show();
+                return;
+            }
+            
+            String currentHint = searchEditText.getHint().toString();
+            String defaultHint = getResources().getString(R.string.search_hint);
+            Log.d(TAG, "执行首页搜索，当前提示词: " + currentHint);
+
+            if (!currentHint.equals(defaultHint) && randomKeywords != null && randomKeywords.contains(currentHint)) {
+                // 使用requireActivity()确保Activity不为null
+                Intent intent = new Intent(requireActivity(), SearchResultsActivity.class);
+                intent.putExtra("search_query", currentHint);
+                startActivity(intent);
+                Log.d(TAG, "跳转到搜索结果页面，查询: " + currentHint);
+            } else {
+                // 使用requireActivity()确保Activity不为null
+                Intent intent = new Intent(requireActivity(), SearchActivity.class);
+                startActivity(intent);
+                Log.d(TAG, "跳转到搜索页面");
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "执行首页搜索时出错", e);
+            Toast.makeText(requireContext(), "搜索功能暂不可用，请稍后再试", Toast.LENGTH_SHORT).show();
         }
     }
 
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/ItemDetailFragment.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/ItemDetailFragment.java
new file mode 100644
index 0000000..29aa3fd
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/ItemDetailFragment.java
@@ -0,0 +1,89 @@
+package com.startsmake.llrisetabbardemo.fragment;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import com.bumptech.glide.Glide;
+import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.model.Item;
+
+public class ItemDetailFragment extends Fragment {
+
+    private static final String ARG_ITEM = "item";
+
+    private Item item;
+
+    public static ItemDetailFragment newInstance(Item item) {
+        ItemDetailFragment fragment = new ItemDetailFragment();
+        Bundle args = new Bundle();
+        args.putSerializable(ARG_ITEM, item);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            item = (Item) getArguments().getSerializable(ARG_ITEM);
+        }
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_item_detail, container, false);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        if (item == null) {
+            Toast.makeText(getContext(), "商品信息加载失败", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        // 初始化视图
+        ImageView ivItemImage = view.findViewById(R.id.ivItemImage);
+        TextView tvTitle = view.findViewById(R.id.tvTitle);
+        TextView tvPrice = view.findViewById(R.id.tvPrice);
+        TextView tvDescription = view.findViewById(R.id.tvDescription);
+        TextView tvCategory = view.findViewById(R.id.tvCategory);
+        TextView tvLocation = view.findViewById(R.id.tvLocation);
+        TextView tvContact = view.findViewById(R.id.tvContact);
+        TextView tvPublishTime = view.findViewById(R.id.tvPublishTime);
+
+        // 设置商品信息
+        tvTitle.setText(item.getTitle());
+        tvPrice.setText(String.format("¥%.2f", item.getPrice()));
+        tvDescription.setText(item.getDescription());
+        tvCategory.setText("分类：" + item.getCategory());
+        tvLocation.setText("位置：" + item.getLocation());
+        tvContact.setText("联系方式：" + item.getContact());
+
+        // 设置发布时间
+        String time = android.text.format.DateFormat.format("yyyy-MM-dd HH:mm", item.getPublishTime()).toString();
+        tvPublishTime.setText("发布时间：" + time);
+
+        // 加载图片（这里使用第一张图片作为主图）
+        if (item.getImageUrls() != null && !item.getImageUrls().isEmpty()) {
+            // 实际项目中这里应该加载网络图片，这里用占位符
+            ivItemImage.setImageResource(R.mipmap.ic_launcher);
+        }
+
+        // 联系卖家按钮
+        view.findViewById(R.id.btnContact).setOnClickListener(v -> {
+            Toast.makeText(getContext(), "联系卖家：" + item.getContact(), Toast.LENGTH_SHORT).show();
+        });
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PersonFragment.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PersonFragment.java
index fc8327b..2654734 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PersonFragment.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PersonFragment.java
@@ -1,26 +1,195 @@
 package com.startsmake.llrisetabbardemo.fragment;
 
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
 
-// 改为 AndroidX
 import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 
 import com.startsmake.llrisetabbardemo.R;
+import com.startsmake.llrisetabbardemo.activity.LoginActivity;
+import com.startsmake.llrisetabbardemo.manager.UserManager;
 
-/**
- * User:Shine
- * Date:2015-10-20
- * Description:
- */
 public class PersonFragment extends Fragment {
 
+    private View mLogoutLayout;
+    private TextView tvUsername, tvUserDesc, tvCreditScore, tvMemberLevel;
+    private TextView tvWantCount, tvSellingCount, tvSoldCount, tvSavedMoney;
+    private UserManager userManager;
+
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.fragment_person, container, false);
+        View view = inflater.inflate(R.layout.fragment_person, container, false);
+
+        userManager = UserManager.getInstance(requireContext());
+        initView(view);
+        setListeners();
+        updateUI();
+
+        return view;
+    }
+
+    private void initView(View view) {
+        mLogoutLayout = view.findViewById(R.id.ll_logout);
+        tvUsername = view.findViewById(R.id.tv_username);
+        tvUserDesc = view.findViewById(R.id.tv_user_desc);
+        tvCreditScore = view.findViewById(R.id.tv_credit_score);
+        tvMemberLevel = view.findViewById(R.id.tv_member_level);
+        tvWantCount = view.findViewById(R.id.tv_want_count);
+        tvSellingCount = view.findViewById(R.id.tv_selling_count);
+        tvSoldCount = view.findViewById(R.id.tv_sold_count);
+        tvSavedMoney = view.findViewById(R.id.tv_saved_money);
+    }
+
+    private void setListeners() {
+        // 退出登录按钮
+        if (mLogoutLayout != null) {
+            mLogoutLayout.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    showLogoutDialog();
+                }
+            });
+        }
+
+        // 用户名点击登录
+        if (tvUsername != null) {
+            tvUsername.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (!isUserLoggedIn()) {
+                        navigateToLogin();
+                    }
+                }
+            });
+        }
+
+        // 用户描述点击登录
+        if (tvUserDesc != null) {
+            tvUserDesc.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (!isUserLoggedIn()) {
+                        navigateToLogin();
+                    }
+                }
+            });
+        }
+    }
+
+    private void showLogoutDialog() {
+        if (!isUserLoggedIn()) {
+            Toast.makeText(getActivity(), "您还未登录", Toast.LENGTH_SHORT).show();
+            navigateToLogin();
+            return;
+        }
+
+        new AlertDialog.Builder(requireContext())
+                .setTitle("退出登录")
+                .setMessage("确定要退出登录吗？退出后可以使用原账号重新登录")
+                .setPositiveButton("确定", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        performLogout();
+                    }
+                })
+                .setNegativeButton("取消", null)
+                .show();
+    }
+
+    private void performLogout() {
+        // 只清除登录状态，不删除用户数据
+        clearLoginStatusOnly();
+
+        // 更新UI
+        updateUI();
+
+        Toast.makeText(getActivity(), "已退出登录", Toast.LENGTH_SHORT).show();
+    }
+
+    private void clearLoginStatusOnly() {
+        try {
+            // 方法1: 使用UserManager退出登录（只清除登录状态）
+            if (userManager != null) {
+                userManager.logout();
+            }
+
+            // 方法2: 只清除登录状态，保留用户数据
+            SharedPreferences spUser = requireActivity().getSharedPreferences("user_info", android.content.Context.MODE_PRIVATE);
+            SharedPreferences.Editor editorUser = spUser.edit();
+
+            // 只清除登录相关状态，不清除用户数据
+            editorUser.putBoolean("is_logged_in", false);
+            editorUser.remove("user_token");
+            // 注意：不要清除 user_phone 和 user_name，这样用户重新登录时可以直接显示
+
+            editorUser.apply();
+
+        } catch (Exception e) {
+            Toast.makeText(getActivity(), "退出登录失败", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void updateUI() {
+        if (isUserLoggedIn()) {
+            // 用户已登录的状态
+            SharedPreferences sp = requireActivity().getSharedPreferences("user_info", android.content.Context.MODE_PRIVATE);
+            String username = sp.getString("user_name", "用户");
+
+            if (tvUsername != null) tvUsername.setText(username);
+            if (tvUserDesc != null) tvUserDesc.setText("省钱达人，精明购物");
+            if (tvCreditScore != null) tvCreditScore.setVisibility(View.VISIBLE);
+            if (tvMemberLevel != null) tvMemberLevel.setVisibility(View.VISIBLE);
+
+            if (tvWantCount != null) tvWantCount.setText("5");
+            if (tvSellingCount != null) tvSellingCount.setText("3");
+            if (tvSoldCount != null) tvSoldCount.setText("12");
+            if (tvSavedMoney != null) tvSavedMoney.setText("¥256");
+
+        } else {
+            // 用户未登录的状态
+            if (tvUsername != null) tvUsername.setText("点击登录");
+            if (tvUserDesc != null) tvUserDesc.setText("登录查看个人数据");
+            if (tvCreditScore != null) tvCreditScore.setVisibility(View.GONE);
+            if (tvMemberLevel != null) tvMemberLevel.setVisibility(View.GONE);
+
+            if (tvWantCount != null) tvWantCount.setText("0");
+            if (tvSellingCount != null) tvSellingCount.setText("0");
+            if (tvSoldCount != null) tvSoldCount.setText("0");
+            if (tvSavedMoney != null) tvSavedMoney.setText("¥0");
+        }
+    }
+
+    private boolean isUserLoggedIn() {
+        SharedPreferences sp = requireActivity().getSharedPreferences("user_info", android.content.Context.MODE_PRIVATE);
+        return sp.getBoolean("is_logged_in", false);
+    }
+
+    private void navigateToLogin() {
+        try {
+            Intent intent = new Intent(getActivity(), LoginActivity.class);
+            startActivity(intent);
+
+            if (getActivity() != null) {
+                getActivity().overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
+            }
+        } catch (Exception e) {
+            Toast.makeText(getActivity(), "跳转失败，请重试", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        updateUI();
     }
 }
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PublishFragment.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PublishFragment.java
index 6841b8d..fd5a573 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PublishFragment.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/fragment/PublishFragment.java
@@ -22,7 +22,7 @@ import com.startsmake.llrisetabbardemo.R;
 import com.startsmake.llrisetabbardemo.activity.MainActivity;
 import com.startsmake.llrisetabbardemo.adapter.ImageAdapter;
 
-import model.Item;
+import com.startsmake.llrisetabbardemo.model.Item;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/manager/UserManager.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/manager/UserManager.java
new file mode 100644
index 0000000..4749424
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/manager/UserManager.java
@@ -0,0 +1,188 @@
+package com.startsmake.llrisetabbardemo.manager;
+
+import android.content.SharedPreferences;
+import android.content.Context;
+import com.startsmake.llrisetabbardemo.model.User;
+import com.google.gson.Gson;
+import java.util.HashSet;
+import java.util.Set;
+
+public class UserManager {
+    private static final String PREF_NAME = "user_data";
+    private static final String KEY_USERS = "registered_users";
+    private static final String KEY_CURRENT_USER = "current_user";
+
+    private static UserManager instance;
+    private SharedPreferences preferences;
+    private Gson gson;
+
+    private UserManager(Context context) {
+        preferences = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
+        gson = new Gson();
+    }
+
+    public static synchronized UserManager getInstance(Context context) {
+        if (instance == null) {
+            instance = new UserManager(context);
+        }
+        return instance;
+    }
+
+    /**
+     * 检查是否已登录
+     */
+    public boolean isLoggedIn() {
+        return preferences.getBoolean("is_logged_in", false);
+    }
+
+    /**
+     * 检查手机号是否已注册
+     */
+    public boolean isPhoneRegistered(String phone) {
+        Set<String> usersSet = preferences.getStringSet(KEY_USERS, new HashSet<>());
+        for (String userJson : usersSet) {
+            User user = gson.fromJson(userJson, User.class);
+            if (user.getPhone().equals(phone)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 注册用户
+     */
+    public boolean registerUser(String phone, String password) {
+        // 检查手机号是否已注册
+        if (isPhoneRegistered(phone)) {
+            return false;
+        }
+
+        // 创建新用户
+        User newUser = new User(phone, password);
+        String userJson = gson.toJson(newUser);
+
+        Set<String> usersSet = preferences.getStringSet(KEY_USERS, new HashSet<>());
+        Set<String> newUsersSet = new HashSet<>(usersSet);
+        newUsersSet.add(userJson);
+
+        return preferences.edit().putStringSet(KEY_USERS, newUsersSet).commit();
+    }
+
+    /**
+     * 用户登录
+     */
+    public User loginUser(String phone, String password) {
+        Set<String> usersSet = preferences.getStringSet(KEY_USERS, new HashSet<>());
+
+        for (String userJson : usersSet) {
+            User user = gson.fromJson(userJson, User.class);
+            if (user.getPhone().equals(phone) && user.getPassword().equals(password)) {
+                // 保存当前用户信息
+                saveCurrentUser(user);
+                return user;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 重置密码
+     */
+    public boolean resetPassword(String phone, String newPassword) {
+        Set<String> usersSet = preferences.getStringSet(KEY_USERS, new HashSet<>());
+        Set<String> newUsersSet = new HashSet<>();
+        boolean found = false;
+
+        for (String userJson : usersSet) {
+            User user = gson.fromJson(userJson, User.class);
+            if (user.getPhone().equals(phone)) {
+                // 更新密码
+                user.setPassword(newPassword);
+                found = true;
+            }
+            newUsersSet.add(gson.toJson(user));
+        }
+
+        if (found) {
+            boolean success = preferences.edit().putStringSet(KEY_USERS, newUsersSet).commit();
+            if (success) {
+                // 如果重置的是当前登录用户，更新当前用户信息
+                User currentUser = getCurrentUser();
+                if (currentUser != null && currentUser.getPhone().equals(phone)) {
+                    currentUser.setPassword(newPassword);
+                    saveCurrentUser(currentUser);
+                }
+            }
+            return success;
+        }
+        return false;
+    }
+
+    /**
+     * 保存当前登录用户
+     */
+    private void saveCurrentUser(User user) {
+        String userJson = gson.toJson(user);
+        preferences.edit()
+                .putString(KEY_CURRENT_USER, userJson)
+                .putBoolean("is_logged_in", true)
+                .putString("user_phone", user.getPhone())
+                .putString("user_name", user.getUsername())
+                .apply();
+    }
+
+    /**
+     * 获取当前用户
+     */
+    public User getCurrentUser() {
+        String userJson = preferences.getString(KEY_CURRENT_USER, null);
+        if (userJson != null) {
+            return gson.fromJson(userJson, User.class);
+        }
+        return null;
+    }
+
+    /**
+     * 用户登出
+     */
+    public void logout() {
+        preferences.edit()
+                .remove(KEY_CURRENT_USER)
+                .putBoolean("is_logged_in", false)
+                .remove("user_phone")
+                .remove("user_name")
+                .apply();
+    }
+
+    /**
+     * 保存用户登录信息（兼容旧代码）
+     */
+    public void saveUserLogin(String phone, String password) {
+        User user = loginUser(phone, password);
+        if (user != null) {
+            saveCurrentUser(user);
+        }
+    }
+
+    /**
+     * 验证登录（兼容旧代码）
+     */
+    public boolean validateLogin(String phone, String password) {
+        return loginUser(phone, password) != null;
+    }
+
+    /**
+     * 检查用户是否存在（兼容旧代码）
+     */
+    public boolean isUserExists(String phone) {
+        return isPhoneRegistered(phone);
+    }
+
+    /**
+     * 更新密码（兼容旧代码）
+     */
+    public boolean updatePassword(String phone, String newPassword) {
+        return resetPassword(phone, newPassword);
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/model/Item.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Item.java
similarity index 98%
rename from LLRiseTabBarDemo/app/src/main/java/model/Item.java
rename to LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Item.java
index 1a292a9..67f4f69 100644
--- a/LLRiseTabBarDemo/app/src/main/java/model/Item.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Item.java
@@ -1,4 +1,4 @@
-package model;
+package com.startsmake.llrisetabbardemo.model;
 
 import java.io.Serializable;
 import java.util.ArrayList;
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Product.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Product.java
new file mode 100644
index 0000000..e09e862
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/Product.java
@@ -0,0 +1,69 @@
+package com.startsmake.llrisetabbardemo.model;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class Product implements Serializable {
+    private String id;
+    private String name;
+    private String description;
+    private String category;
+    private double price;
+    private String imageUrl;
+
+    public Product() {
+    }
+
+    public Product(String id, String name, String description, String category, double price, String imageUrl) {
+        this.id = id;
+        this.name = name;
+        this.description = description;
+        this.category = category;
+        this.price = price;
+        this.imageUrl = imageUrl;
+    }
+
+    // Getter 和 Setter 方法
+    public String getId() { return id; }
+    public void setId(String id) { this.id = id; }
+
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+
+    public String getDescription() { return description; }
+    public void setDescription(String description) { this.description = description; }
+
+    public String getCategory() { return category; }
+    public void setCategory(String category) { this.category = category; }
+
+    public double getPrice() { return price; }
+    public void setPrice(double price) { this.price = price; }
+
+    public String getImageUrl() { return imageUrl; }
+    public void setImageUrl(String imageUrl) { this.imageUrl = imageUrl; }
+
+    // 添加 equals 和 hashCode 方法
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Product product = (Product) o;
+        return Objects.equals(id, product.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    // 可选：添加 toString 方法便于调试
+    @Override
+    public String toString() {
+        return "Product{" +
+                "id='" + id + '\'' +
+                ", name='" + name + '\'' +
+                ", category='" + category + '\'' +
+                ", price=" + price +
+                '}';
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/User.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/User.java
new file mode 100644
index 0000000..75ac13a
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/model/User.java
@@ -0,0 +1,27 @@
+package com.startsmake.llrisetabbardemo.model;
+
+public class User {
+    private String phone;
+    private String password;
+    private String username;
+    private long registerTime;
+
+    public User(String phone, String password) {
+        this.phone = phone;
+        this.password = password;
+        this.username = "用户_" + phone.substring(7);
+        this.registerTime = System.currentTimeMillis();
+    }
+
+    // Getters and Setters
+    public String getPhone() { return phone; }
+    public void setPhone(String phone) { this.phone = phone; }
+
+    public String getPassword() { return password; }
+    public void setPassword(String password) { this.password = password; }
+
+    public String getUsername() { return username; }
+    public void setUsername(String username) { this.username = username; }
+
+    public long getRegisterTime() { return registerTime; }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/java/manager/DataManager.java b/LLRiseTabBarDemo/app/src/main/java/manager/DataManager.java
new file mode 100644
index 0000000..713b553
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/java/manager/DataManager.java
@@ -0,0 +1,171 @@
+package manager;
+
+import com.startsmake.llrisetabbardemo.model.Item;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 数据管理类 - 使用单例模式管理商品数据
+ * 负责商品的增删改查操作
+ */
+public class DataManager {
+
+    // 单例实例
+    private static DataManager instance;
+
+    // 商品列表
+    private List<Item> itemList;
+
+    // 私有构造函数，防止外部创建实例
+    private DataManager() {
+        itemList = new ArrayList<>();
+        // 初始化时添加一些示例数据
+        initSampleData();
+    }
+
+    /**
+     * 获取单例实例
+     * @return DataManager 实例
+     */
+    public static DataManager getInstance() {
+        if (instance == null) {
+            instance = new DataManager();
+        }
+        return instance;
+    }
+
+    /**
+     * 初始化示例数据
+     */
+    private void initSampleData() {
+        // 示例商品1 - 数码产品
+        Item item1 = new Item();
+        item1.setId("item_001");
+        item1.setTitle("全新iPhone 13 Pro");
+        item1.setDescription("全新未拆封，256GB，远峰蓝色，国行正品，带发票");
+        item1.setPrice(6999.00);
+        item1.setCategory("数码产品");
+        item1.setLocation("北京");
+        item1.setContact("138****1234");
+        item1.setPublishTime(System.currentTimeMillis() - 2 * 60 * 60 * 1000); // 2小时前发布
+        itemList.add(item1);
+
+        // 示例商品2 - 数码产品
+        Item item2 = new Item();
+        item2.setId("item_002");
+        item2.setTitle("二手笔记本电脑");
+        item2.setDescription("联想小新，i5处理器，8GB内存，256GB固态硬盘，95成新");
+        item2.setPrice(2500.00);
+        item2.setCategory("数码产品");
+        item2.setLocation("上海");
+        item2.setContact("微信：abc123");
+        item2.setPublishTime(System.currentTimeMillis() - 5 * 60 * 60 * 1000); // 5小时前发布
+        itemList.add(item2);
+
+        // 示例商品3 - 服装鞋帽
+        Item item3 = new Item();
+        item3.setId("item_003");
+        item3.setTitle("品牌运动鞋");
+        item3.setDescription("耐克运动鞋，42码，只穿过几次，几乎全新，原盒在");
+        item3.setPrice(299.00);
+        item3.setCategory("服装鞋帽");
+        item3.setLocation("广州");
+        item3.setContact("159****5678");
+        item3.setPublishTime(System.currentTimeMillis() - 24 * 60 * 60 * 1000); // 1天前发布
+        itemList.add(item3);
+
+        // 示例商品4 - 图书文具
+        Item item4 = new Item();
+        item4.setId("item_004");
+        item4.setTitle("Java编程思想");
+        item4.setDescription("Java编程思想第5版，几乎全新，无笔记无划痕");
+        item4.setPrice(45.00);
+        item4.setCategory("图书文具");
+        item4.setLocation("杭州");
+        item4.setContactQQ("123456789");
+        item4.setPublishTime(System.currentTimeMillis() - 3 * 24 * 60 * 60 * 1000); // 3天前发布
+        itemList.add(item4);
+    }
+
+    /**
+     * 获取所有商品列表
+     * @return 商品列表
+     */
+    public List<Item> getAllItems() {
+        return itemList;
+    }
+
+    /**
+     * 添加新商品（发布新商品时调用）
+     * @param item 商品对象
+     */
+    public void addItem(Item item) {
+        // 为新商品生成ID
+        item.setId("item_" + System.currentTimeMillis());
+        // 设置发布时间
+        item.setPublishTime(System.currentTimeMillis());
+        // 将新商品添加到列表最前面（最新发布的显示在最前面）
+        itemList.add(0, item);
+    }
+
+    /**
+     * 根据ID查找商品
+     * @param id 商品ID
+     * @return 商品对象，找不到返回null
+     */
+    public Item getItemById(String id) {
+        for (Item item : itemList) {
+            if (item.getId().equals(id)) {
+                return item;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 根据分类筛选商品
+     * @param category 分类名称
+     * @return 该分类下的商品列表
+     */
+    public List<Item> getItemsByCategory(String category) {
+        List<Item> result = new ArrayList<>();
+        for (Item item : itemList) {
+            if (item.getCategory().equals(category)) {
+                result.add(item);
+            }
+        }
+        return result;
+    }
+
+    /**
+     * 根据关键词搜索商品
+     * @param keyword 搜索关键词
+     * @return 匹配的商品列表
+     */
+    public List<Item> searchItems(String keyword) {
+        List<Item> result = new ArrayList<>();
+        for (Item item : itemList) {
+            if (item.getTitle().toLowerCase().contains(keyword.toLowerCase()) ||
+                    item.getDescription().toLowerCase().contains(keyword.toLowerCase())) {
+                result.add(item);
+            }
+        }
+        return result;
+    }
+
+    /**
+     * 获取商品数量
+     * @return 商品总数
+     */
+    public int getItemCount() {
+        return itemList.size();
+    }
+
+    /**
+     * 清空所有数据（主要用于测试）
+     */
+    public void clearAll() {
+        itemList.clear();
+    }
+}
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/drawable/ic_back.png b/LLRiseTabBarDemo/app/src/main/res/drawable/ic_back.png
new file mode 100644
index 0000000..6d0102c
Binary files /dev/null and b/LLRiseTabBarDemo/app/src/main/res/drawable/ic_back.png differ
diff --git a/LLRiseTabBarDemo/app/src/main/res/drawable/search_button_background.xml b/LLRiseTabBarDemo/app/src/main/res/drawable/search_button_background.xml
new file mode 100644
index 0000000..a603ffb
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/drawable/search_button_background.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@android:color/transparent" />
+    <stroke
+        android:width="0.8dp"
+        android:color="#999999" />
+    <corners android:radius="18dp" />
+</shape>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/drawable/tag_background.xml b/LLRiseTabBarDemo/app/src/main/res/drawable/tag_background.xml
new file mode 100644
index 0000000..70b26ec
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/drawable/tag_background.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#f5f5f5" />
+    <corners android:radius="20dp" />
+    <stroke
+        android:width="1dp"
+        android:color="#e0e0e0" />
+</shape>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/activity_search.xml b/LLRiseTabBarDemo/app/src/main/res/layout/activity_search.xml
new file mode 100644
index 0000000..a7af912
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/activity_search.xml
@@ -0,0 +1,176 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@android:color/white">
+
+    <!-- 搜索栏 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#FFDD59"
+        android:orientation="horizontal"
+        android:padding="12dp">
+
+        <!-- 返回按钮 -->
+        <ImageButton
+            android:id="@+id/back_button"
+            android:layout_width="24dp"
+            android:layout_height="50dp"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/ic_back"
+            android:scaleType="centerInside"
+            android:padding="6dp"
+            android:contentDescription="返回" />
+
+        <!-- 搜索框 -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp"
+            android:alpha="0.8"
+            android:background="@drawable/rounded_background1"
+            android:gravity="center_vertical"
+            android:orientation="horizontal"
+            android:padding="8dp">
+
+            <!-- 摄像头按钮 -->
+            <ImageButton
+                android:id="@+id/camera_button"
+                android:layout_width="23dp"
+                android:layout_height="24dp"
+                android:layout_marginStart="4dp"
+                android:background="?android:attr/selectableItemBackgroundBorderless"
+                android:padding="0.5dp"
+                android:scaleType="centerInside"
+                android:src="@android:drawable/ic_menu_camera"
+                android:contentDescription="拍照搜索" />
+
+            <EditText
+                android:id="@+id/search_edit_text"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:layout_marginStart="8dp"
+                android:background="@null"
+                android:hint="搜索教材、数码、生活用品..."
+                android:imeOptions="actionSearch"
+                android:inputType="text"
+                android:maxLines="1"
+                android:singleLine="true"
+                android:textColor="#333333"
+                android:textColorHint="#999999"
+                android:textSize="14sp"
+                android:cursorVisible="true"
+                android:focusable="true"
+                android:focusableInTouchMode="true"/>
+
+
+            <!-- 搜索按钮 - 放在输入框外面右侧 -->
+            <TextView
+                android:id="@+id/search_button"
+                android:layout_width="50dp"
+                android:layout_height="27dp"
+                android:layout_marginStart="2dp"
+                android:layout_marginTop="0dp"
+                android:gravity="center"
+                android:text="搜索"
+                android:textColor="#333333"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:clickable="true"
+                android:focusable="true" />
+
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <!-- 内容区域 -->
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="16dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <!-- 历史搜索 -->
+            <TextView
+                android:id="@+id/history_title"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="历史搜索"
+                android:textColor="#333333"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                android:layout_marginBottom="12dp" />
+
+            <!-- 历史记录容器 - 使用 FlexboxLayout -->
+            <com.google.android.flexbox.FlexboxLayout
+                android:id="@+id/history_container"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:flexWrap="wrap"
+                app:alignItems="flex_start"
+                app:justifyContent="flex_start" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center_vertical">
+
+                <!-- 展开/收起按钮 -->
+                <TextView
+                    android:id="@+id/expand_history_text"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="展开更多"
+                    android:textColor="#666666"
+                    android:textSize="12sp"
+                    android:padding="8dp"
+                    android:visibility="gone" />
+
+                <!-- 清空历史 -->
+                <TextView
+                    android:id="@+id/clear_history_text"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="清空历史记录"
+                    android:textColor="#666666"
+                    android:textSize="12sp"
+                    android:padding="8dp" />
+
+            </LinearLayout>
+
+            <!-- 猜你可能在找 -->
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="猜你可能在找"
+                android:textColor="#333333"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                android:layout_marginTop="24dp"
+                android:layout_marginBottom="12dp" />
+
+            <!-- 推荐容器 - 使用 FlexboxLayout -->
+            <com.google.android.flexbox.FlexboxLayout
+                android:id="@+id/recommend_container"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:flexWrap="wrap"
+                app:alignItems="flex_start"
+                app:justifyContent="flex_start" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/activity_search_results.xml b/LLRiseTabBarDemo/app/src/main/res/layout/activity_search_results.xml
new file mode 100644
index 0000000..7e9dffd
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/activity_search_results.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@android:color/white">
+
+    <!-- 搜索栏 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#FFDD59"
+        android:orientation="horizontal"
+        android:padding="16dp">
+
+        <ImageButton
+            android:id="@+id/back_button"
+            android:layout_width="20dp"
+            android:layout_height="28dp"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/ic_back"
+            android:scaleType="centerInside"
+            android:padding="6dp"
+            android:contentDescription="返回" />
+
+        <TextView
+            android:id="@+id/search_query_text"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginStart="16dp"
+            android:gravity="center_vertical"
+            android:text="搜索结果"
+            android:textColor="#333333"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+
+    </LinearLayout>
+
+    <!-- 搜索结果 -->
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/results_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="8dp" />
+
+    <!-- 无结果提示 -->
+    <TextView
+        android:id="@+id/no_results_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginTop="120dp"
+        android:text="没有找到相关商品"
+        android:textColor="#666666"
+        android:textSize="16sp"
+        android:visibility="gone" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/fragment_home.xml b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_home.xml
index 9b8e34e..3c25d68 100644
--- a/LLRiseTabBarDemo/app/src/main/res/layout/fragment_home.xml
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_home.xml
@@ -65,7 +65,7 @@
                 android:src="@android:drawable/ic_menu_camera"
                 android:contentDescription="拍照搜索" />
 
-            <!-- 搜索按钮 -->
+            <!-- 搜索按钮 - 放在输入框外面右侧 -->
             <TextView
                 android:id="@+id/home_search_button"
                 android:layout_width="50dp"
@@ -182,33 +182,51 @@
         </LinearLayout>
     </HorizontalScrollView>
 
-    <!-- 商品展示区域 -->
+    <!-- 在导航标签区域后面添加商品展示区域 -->
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_weight="1"
         android:orientation="vertical">
 
-        <!-- 商品列表 -->
+    <!-- 商品展示区域 -->
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/home_products_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone" />
+
+    <!-- 暂无商品提示 -->
+    <TextView
+        android:id="@+id/home_no_products_text"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:text="暂无商品"
+        android:textColor="#666666"
+        android:textSize="16sp"
+        android:visibility="gone" />
+
+    </LinearLayout>
+        <!-- 搜索结果RecyclerView -->
         <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/home_products_recycler_view"
+            android:id="@+id/search_results_recycler_view"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:visibility="gone" />
 
-        <!-- 暂无商品提示 -->
+        <!-- 无结果提示 -->
         <TextView
-            android:id="@+id/home_no_products_text"
+            android:id="@+id/no_results_text"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
             android:gravity="center"
-            android:text="暂无商品"
-            android:textColor="#666666"
+            android:text="没有找到相关商品"
             android:textSize="16sp"
+            android:textColor="#666666"
             android:visibility="gone" />
 
-    </LinearLayout>
-
     <!-- 首页默认内容区域 -->
     <LinearLayout
         android:id="@+id/default_content"
@@ -218,8 +236,9 @@
         android:gravity="center"
         android:padding="16dp">
 
-        <!-- 这里可以放默认的首页内容 -->
+            
+
+        </LinearLayout>
 
-    </LinearLayout>
 
 </FrameLayout>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/fragment_item_detail.xml b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_item_detail.xml
new file mode 100644
index 0000000..94dfa00
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_item_detail.xml
@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="16dp"
+    android:background="#f5f5f5">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <!-- 商品图片 -->
+        <ImageView
+            android:id="@+id/ivItemImage"
+            android:layout_width="match_parent"
+            android:layout_height="200dp"
+            android:scaleType="centerCrop"
+            android:background="@drawable/bg_image_border"
+            android:src="@mipmap/ic_launcher" />
+
+        <!-- 商品基本信息 -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:background="@android:color/white"
+            android:padding="16dp"
+            android:layout_marginTop="8dp">
+
+            <TextView
+                android:id="@+id/tvTitle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="商品标题"
+                android:textSize="18sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/tvPrice"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="¥0.00"
+                android:textColor="#ff4444"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                android:layout_marginTop="8dp" />
+
+        </LinearLayout>
+
+        <!-- 商品详情 -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:background="@android:color/white"
+            android:padding="16dp"
+            android:layout_marginTop="8dp">
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="商品详情"
+                android:textSize="16sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/tvDescription"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="商品描述"
+                android:textSize="14sp"
+                android:layout_marginTop="8dp"
+                android:lineSpacingExtra="4dp" />
+
+        </LinearLayout>
+
+        <!-- 商品信息 -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:background="@android:color/white"
+            android:padding="16dp"
+            android:layout_marginTop="8dp">
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="商品信息"
+                android:textSize="16sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/tvCategory"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="分类："
+                android:textSize="14sp"
+                android:layout_marginTop="8dp" />
+
+            <TextView
+                android:id="@+id/tvLocation"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="位置："
+                android:textSize="14sp"
+                android:layout_marginTop="4dp" />
+
+            <TextView
+                android:id="@+id/tvContact"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="联系方式："
+                android:textSize="14sp"
+                android:layout_marginTop="4dp" />
+
+            <TextView
+                android:id="@+id/tvPublishTime"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="发布时间："
+                android:textSize="14sp"
+                android:layout_marginTop="4dp" />
+
+        </LinearLayout>
+
+        <!-- 联系卖家按钮 -->
+        <Button
+            android:id="@+id/btnContact"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="联系卖家"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            android:background="@drawable/bg_button_primary"
+            android:textColor="@android:color/white"
+            android:layout_marginTop="16dp" />
+
+    </LinearLayout>
+
+</ScrollView>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/fragment_person.xml b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_person.xml
index ed4e210..a960eb4 100644
--- a/LLRiseTabBarDemo/app/src/main/res/layout/fragment_person.xml
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/fragment_person.xml
@@ -37,6 +37,8 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="点击登录"
+                    android:clickable="true"
+                    android:focusable="true"
                     android:textSize="18sp"
                     android:textStyle="bold"
                     android:textColor="@color/black" />
diff --git a/LLRiseTabBarDemo/app/src/main/res/layout/item_product.xml b/LLRiseTabBarDemo/app/src/main/res/layout/item_product.xml
new file mode 100644
index 0000000..52cad97
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/layout/item_product.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="16dp"
+    android:background="@android:color/white"
+    android:layout_marginBottom="8dp"
+    android:elevation="2dp">
+
+    <TextView
+        android:id="@+id/product_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="商品名称"
+        android:textColor="#333333"
+        android:textSize="16sp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:id="@+id/product_description"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="商品描述"
+        android:textColor="#666666"
+        android:textSize="14sp" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/product_category"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="类别"
+            android:textColor="#999999"
+            android:textSize="12sp" />
+
+        <TextView
+            android:id="@+id/product_price"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="¥0.00"
+            android:textColor="#ff6b35"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/LLRiseTabBarDemo/app/src/main/res/values/strings.xml b/LLRiseTabBarDemo/app/src/main/res/values/strings.xml
index 3344656..8e5f91c 100644
--- a/LLRiseTabBarDemo/app/src/main/res/values/strings.xml
+++ b/LLRiseTabBarDemo/app/src/main/res/values/strings.xml
@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">LLRiseTabBarDemo</string>
+    <string name="search_hint">Searchforproducts</string>
 </resources>
diff --git a/LLRiseTabBarDemo/app/src/main/res/xml/file_paths.xml b/LLRiseTabBarDemo/app/src/main/res/xml/file_paths.xml
new file mode 100644
index 0000000..3700430
--- /dev/null
+++ b/LLRiseTabBarDemo/app/src/main/res/xml/file_paths.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path name="external_files" path="." />
+    <cache-path name="cache_files" path="." />
+</paths>
\ No newline at end of file