diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 30351ab..e86d793 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
 }
 
 android {
@@ -29,6 +30,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
     }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
 }
 
 dependencies {
@@ -37,6 +41,7 @@ dependencies {
     implementation(libs.material)
     implementation(libs.activity)
     implementation(libs.constraintlayout)
+    implementation(libs.core.ktx)
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 767e215..ce02c9b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.zitzhen.coco_community">
+
+    <!-- 网络权限 -->
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
@@ -15,21 +18,49 @@
         android:theme="@style/Theme.CoCocommunity"
         tools:targetApi="31">
 
-        <!-- 主页面 -->
+        <!-- 主页面（唯一的 MainActivity） -->
         <activity
             android:name=".MainActivity"
             android:exported="true">
+
+            <!-- 启动器入口 -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
-                <data android:scheme="zit-coco-community"/>
             </intent-filter>
+
+            <!-- 自定义 Scheme：zit-coco-community:// -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="zit-coco-community" />
+            </intent-filter>
+
         </activity>
 
         <!-- 关于页面 -->
         <activity
-            android:name=".AbootActivity"
+            android:name=".AboutActivity"
             android:exported="false" />
 
+        <!-- 登录页面 -->
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true">
+            
+            <!-- OAuth回调处理 -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="https" 
+                      android:host="cc.zitzhen.cn" 
+                      android:pathPrefix="/auth/github" />
+            </intent-filter>
+        </activity>
     </application>
+
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/zitzhen/coco_community/MainActivity.java b/app/src/main/java/com/zitzhen/coco_community/MainActivity.java
deleted file mode 100644
index eed2590..0000000
--- a/app/src/main/java/com/zitzhen/coco_community/MainActivity.java
+++ /dev/null
@@ -1,148 +0,0 @@
-package com.zitzhen.coco_community;
-
-import android.annotation.SuppressLint;
-import android.os.Build;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.View;
-import android.webkit.WebResourceError;
-import android.webkit.WebResourceRequest;
-import android.webkit.WebView;
-import android.webkit.WebViewClient;
-import android.widget.TextView;
-import androidx.annotation.RequiresApi;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.constraintlayout.widget.ConstraintLayout;
-import com.google.android.material.button.MaterialButton;
-
-public class MainActivity extends AppCompatActivity {
-
-    private WebView webView;
-    private View errorLayout;
-    private MaterialButton retryButton;
-    private TextView errorCodeTextView;
-
-    @SuppressLint("SetJavaScriptEnabled")
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        // 创建帧布局作为根容器
-        ConstraintLayout rootLayout = new ConstraintLayout(this);
-        ConstraintLayout.LayoutParams layoutParams = new ConstraintLayout.LayoutParams(
-                ConstraintLayout.LayoutParams.MATCH_PARENT,
-                ConstraintLayout.LayoutParams.MATCH_PARENT
-        );
-        rootLayout.setLayoutParams(layoutParams);
-        setContentView(rootLayout);
-
-        // 创建WebView
-        webView = new WebView(this);
-        webView.setId(View.generateViewId());
-        ConstraintLayout.LayoutParams webViewLayoutParams = new ConstraintLayout.LayoutParams(
-                ConstraintLayout.LayoutParams.MATCH_PARENT,
-                ConstraintLayout.LayoutParams.MATCH_PARENT
-        );
-        webView.setLayoutParams(webViewLayoutParams);
-        rootLayout.addView(webView);
-
-        // 创建错误布局 - 使用正确的资源ID
-        errorLayout = getLayoutInflater().inflate(getResources().getLayout(R.layout.error), rootLayout, false);
-        errorLayout.setId(View.generateViewId());
-        errorLayout.setVisibility(View.GONE);
-        rootLayout.addView(errorLayout);
-
-        // 获取错误页面组件 - 使用正确的资源ID
-        retryButton = errorLayout.findViewById(getResources().getIdentifier("retryButton", "id", getPackageName()));
-        errorCodeTextView = errorLayout.findViewById(getResources().getIdentifier("errorcode", "id", getPackageName()));
-
-        // 设置重试按钮点击事件
-        retryButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                // 隐藏错误页面，显示WebView
-                errorLayout.setVisibility(View.GONE);
-                webView.setVisibility(View.VISIBLE);
-                // 重新加载网页
-                webView.reload();
-            }
-        });
-
-        // WebView基础配置
-        webView.getSettings().setJavaScriptEnabled(true);
-        webView.getSettings().setDomStorageEnabled(true);
-        webView.getSettings().setDatabaseEnabled(true);
-        webView.getSettings().setCacheMode(android.webkit.WebSettings.LOAD_DEFAULT);
-
-        // 设置自定义WebViewClient处理错误
-        webView.setWebViewClient(new WebViewClient() {
-            // 处理API 23+的错误
-            @RequiresApi(api = Build.VERSION_CODES.M)
-            @Override
-            public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
-                super.onReceivedError(view, request, error);
-                if (request != null && request.isForMainFrame()) {
-                    showErrorPage(error != null ? error.getErrorCode() : -1,
-                            error != null ? error.getDescription().toString() : "Unknown error");
-                }
-            }
-
-            // 处理旧版本错误
-            @Override
-            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
-                super.onReceivedError(view, errorCode, description, failingUrl);
-                showErrorPage(errorCode, description != null ? description : "Unknown error");
-            }
-
-            // 处理HTTP错误 (状态码 >= 400)
-            @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
-            @Override
-            public void onReceivedHttpError(WebView view, WebResourceRequest request, android.webkit.WebResourceResponse errorResponse) {
-                super.onReceivedHttpError(view, request, errorResponse);
-                if (request != null && request.isForMainFrame()) {
-                    int statusCode = errorResponse != null ? errorResponse.getStatusCode() : -1;
-                    if (statusCode < 200 || statusCode >= 300) {
-                        showErrorPage(statusCode, "HTTP Error: " + statusCode);
-                    }
-                }
-            }
-
-            // 所有链接在WebView内部打开
-            @Override
-            public boolean shouldOverrideUrlLoading(WebView view, String url) {
-                view.loadUrl(url);
-                return true;
-            }
-        });
-
-        // 加载网页
-        webView.loadUrl("https://cc.zitzhen.cn/");
-    }
-
-    private void showErrorPage(final int errorCode, final String errorDescription) {
-        runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                // 在错误页面上显示错误代码
-                errorCodeTextView.setText("错误代码: " + errorCode + "\n" + errorDescription);
-
-                // 记录错误日志
-                Log.e("WebViewError", "Error " + errorCode + ": " + errorDescription);
-
-                // 显示错误页面，隐藏WebView
-                webView.setVisibility(View.GONE);
-                errorLayout.setVisibility(View.VISIBLE);
-            }
-        });
-    }
-
-    // 处理返回键
-    @Override
-    public void onBackPressed() {
-        if (webView.getVisibility() == View.VISIBLE && webView.canGoBack()) {
-            webView.goBack();
-        } else {
-            super.onBackPressed();
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/zitzhen/coco_community/MainActivity.kt b/app/src/main/java/com/zitzhen/coco_community/MainActivity.kt
new file mode 100644
index 0000000..3b9ccfa
--- /dev/null
+++ b/app/src/main/java/com/zitzhen/coco_community/MainActivity.kt
@@ -0,0 +1,18 @@
+package com.zitzhen.coco_community
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        
+        // 跳转到登录页面
+        val intent = Intent(this, LoginActivity::class.java)
+        startActivity(intent)
+        
+        // 结束MainActivity，这样用户按下返回键时不会回到空白的MainActivity
+        finish()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/zitzhen/coco_community/login.kt b/app/src/main/java/com/zitzhen/coco_community/login.kt
new file mode 100644
index 0000000..a36ada2
--- /dev/null
+++ b/app/src/main/java/com/zitzhen/coco_community/login.kt
@@ -0,0 +1,176 @@
+package com.zitzhen.coco_community
+
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import android.widget.Button
+import android.widget.LinearLayout
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import org.json.JSONObject
+
+class LoginActivity : AppCompatActivity() {
+
+    companion object {
+        private const val TAG = "LoginActivity"
+        private const val GITHUB_OAUTH_URL = "https://github.com/login/oauth/authorize?client_id=Ov23lii4E31EzV9VMW7B&redirect_uri=https://cc.zitzhen.cn/auth/github?client=mobile"
+        private const val REDIRECT_URI = "https://cc.zitzhen.cn/auth/github"
+    }
+
+    private lateinit var mainLayout: LinearLayout
+    private lateinit var webView: WebView
+    private lateinit var githubLoginButton: Button
+    private lateinit var returnButton: Button
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_github_login)
+
+        // 初始化视图
+        initViews()
+        
+        // 设置按钮点击事件
+        setupClickListeners()
+        
+        // 初始化WebView
+        initWebView()
+    }
+
+    private fun initViews() {
+        mainLayout = findViewById(R.id.main_layout)
+        webView = findViewById(R.id.webview)
+        githubLoginButton = findViewById(R.id.github_login_button)
+        returnButton = findViewById(R.id.retun)
+    }
+
+    private fun setupClickListeners() {
+        // 设置GitHub登录按钮点击事件监听器
+        githubLoginButton.setOnClickListener {
+            startOAuthFlow()
+        }
+        
+        // 设置返回按钮点击事件
+        returnButton.setOnClickListener {
+            finish() // 关闭当前Activity
+        }
+    }
+
+    private fun initWebView() {
+        // 配置WebView
+        webView.settings.javaScriptEnabled = true
+        webView.settings.domStorageEnabled = true
+        
+        // 设置WebViewClient来监听页面加载和重定向
+        webView.webViewClient = object : WebViewClient() {
+            override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
+                url?.let { 
+                    Log.d(TAG, "WebView loading URL: $url")
+                    
+                    // 检查是否是OAuth回调URL
+                    if (url.startsWith(REDIRECT_URI)) {
+                        // 处理OAuth回调
+                        processOAuthCallback(url)
+                        return true // 阻止WebView继续加载
+                    }
+                }
+                return false // 允许WebView加载其他URL
+            }
+
+            override fun onPageFinished(view: WebView?, url: String?) {
+                super.onPageFinished(view, url)
+                Log.d(TAG, "Page finished loading: $url")
+            }
+        }
+    }
+
+    private fun startOAuthFlow() {
+        // 隐藏主界面，显示WebView
+        mainLayout.visibility = View.GONE
+        webView.visibility = View.VISIBLE
+        
+        // 加载GitHub OAuth授权页面
+        webView.loadUrl(GITHUB_OAUTH_URL)
+        Log.d(TAG, "开始OAuth流程，加载URL: $GITHUB_OAUTH_URL")
+    }
+
+    private fun processOAuthCallback(url: String) {
+        try {
+            // 解析URL获取查询参数
+            val uri = android.net.Uri.parse(url)
+            val code = uri.getQueryParameter("code")
+            val error = uri.getQueryParameter("error")
+            val errorDescription = uri.getQueryParameter("error_description")
+
+            if (error != null) {
+                // 处理错误情况
+                Log.e(TAG, "OAuth error: $error - $errorDescription")
+                showError("登录失败: $error")
+                return
+            }
+
+            if (code != null) {
+                // 成功获取授权码，构建JSON响应
+                val responseJson = JSONObject().apply {
+                    put("code", code)
+                    put("status", "success")
+                    put("message", "授权成功")
+                }
+
+                Log.d(TAG, "OAuth成功，授权码: $code")
+                Log.d(TAG, "返回的JSON: ${responseJson.toString()}")
+
+                // 显示成功消息并返回主界面
+                showSuccess("GitHub登录成功！")
+                
+                // 这里可以添加后续逻辑，比如将授权码发送到服务器获取access token
+                // 或者跳转到主页面
+            } else {
+                Log.e(TAG, "未收到授权码")
+                showError("登录失败：未收到授权信息")
+            }
+        } catch (e: Exception) {
+            Log.e(TAG, "处理OAuth回调时出错", e)
+            showError("登录失败：处理错误")
+        }
+    }
+
+    private fun showSuccess(message: String) {
+        // 隐藏WebView，显示主界面
+        webView.visibility = View.GONE
+        mainLayout.visibility = View.VISIBLE
+        
+        // 显示成功消息
+        Toast.makeText(this, message, Toast.LENGTH_LONG).show()
+        
+        // 这里可以添加后续逻辑，比如跳转到主页面
+        // val intent = Intent(this, MainActivity::class.java)
+        // startActivity(intent)
+        // finish()
+    }
+
+    private fun showError(message: String) {
+        // 隐藏WebView，显示主界面
+        webView.visibility = View.GONE
+        mainLayout.visibility = View.VISIBLE
+        
+        // 显示错误消息
+        Toast.makeText(this, message, Toast.LENGTH_LONG).show()
+    }
+
+    override fun onBackPressed() {
+        // 如果WebView可见，按返回键时返回WebView的上一个页面或隐藏WebView
+        if (webView.visibility == View.VISIBLE) {
+            if (webView.canGoBack()) {
+                webView.goBack()
+            } else {
+                // 如果WebView没有历史记录，隐藏WebView显示主界面
+                webView.visibility = View.GONE
+                mainLayout.visibility = View.VISIBLE
+            }
+        } else {
+            super.onBackPressed()
+        }
+    }
+}
diff --git a/app/src/main/res/drawable/github_icon.xml b/app/src/main/res/drawable/github_icon.xml
new file mode 100644
index 0000000..34241ea
--- /dev/null
+++ b/app/src/main/res/drawable/github_icon.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="98dp"
+    android:height="96dp"
+    android:viewportWidth="98"
+    android:viewportHeight="96">
+  <path
+      android:pathData="M48.854,0C21.839,0 0,22 0,49.217c0,21.756 13.993,40.172 33.405,46.69 2.427,0.49 3.316,-1.059 3.316,-2.362 0,-1.141 -0.08,-5.052 -0.08,-9.127 -13.59,2.934 -16.42,-5.867 -16.42,-5.867 -2.184,-5.704 -5.42,-7.17 -5.42,-7.17 -4.448,-3.015 0.324,-3.015 0.324,-3.015 4.934,0.326 7.523,5.052 7.523,5.052 4.367,7.496 11.404,5.378 14.235,4.074 0.404,-3.178 1.699,-5.378 3.074,-6.6 -10.839,-1.141 -22.243,-5.378 -22.243,-24.283 0,-5.378 1.94,-9.778 5.014,-13.2 -0.485,-1.222 -2.184,-6.275 0.486,-13.038 0,0 4.125,-1.304 13.426,5.052a46.97,46.97 0,0 1,12.214 -1.63c4.125,0 8.33,0.571 12.213,1.63 9.302,-6.356 13.427,-5.052 13.427,-5.052 2.67,6.763 0.97,11.816 0.485,13.038 3.155,3.422 5.015,7.822 5.015,13.2 0,18.905 -11.404,23.06 -22.324,24.283 1.78,1.548 3.316,4.481 3.316,9.126 0,6.6 -0.08,11.897 -0.08,13.526 0,1.304 0.89,2.853 3.316,2.364 19.412,-6.52 33.405,-24.935 33.405,-46.691C97.707,22 75.788,0 48.854,0z"
+      android:fillColor="#24292f"
+      android:fillType="evenOdd"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_github_login.xml b/app/src/main/res/layout/activity_github_login.xml
new file mode 100644
index 0000000..a2ed623
--- /dev/null
+++ b/app/src/main/res/layout/activity_github_login.xml
@@ -0,0 +1,54 @@
+<?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">
+
+    <!-- 主界面布局 -->
+    <LinearLayout
+        android:id="@+id/main_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:padding="32dp">
+
+        <!-- GitHub 猫咪图标 -->
+        <ImageView
+            android:id="@+id/github_icon"
+            android:layout_width="120dp"
+            android:layout_height="120dp"
+            android:layout_marginBottom="32dp"
+            android:src="@drawable/github_icon"
+            android:contentDescription="GitHub Icon" />
+
+        <!-- GitHub 登录按钮 -->
+        <Button
+            android:id="@+id/github_login_button"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="使用 GitHub 登录"
+            android:textColor="@android:color/white"
+            android:textSize="16sp"
+            android:backgroundTint="#24292e"
+            android:padding="12dp" />
+
+        <Button
+            android:id="@+id/retun"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="返回首页"
+            android:textColor="@android:color/white"
+            android:textSize="16sp"
+            android:backgroundTint="#24292e"
+            android:padding="12dp" />
+    </LinearLayout>
+
+    <!-- WebView用于OAuth流程（初始隐藏） -->
+    <WebView
+        android:id="@+id/webview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone" />
+</LinearLayout>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 3756278..922f551 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,4 +1,5 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
 }
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e225fa7..aabde52 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,6 +7,8 @@ appcompat = "1.6.1"
 material = "1.10.0"
 activity = "1.8.0"
 constraintlayout = "2.1.4"
+kotlin = "2.2.0"
+coreKtx = "1.10.1"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }
@@ -16,7 +18,9 @@ appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "a
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
 constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }