diff --git a/.env.example b/.env.example
index eec111a..03681c6 100644
--- a/.env.example
+++ b/.env.example
@@ -5,8 +5,12 @@ HOST=0.0.0.0
 AWS_REGION=us-east-1
 AWS_ACCESS_KEY_ID=your_access_key
 AWS_SECRET_ACCESS_KEY=your_secret_key
+S3_BUCKET_ADDRESS=https://s3.example.com/your_bucket_name
 S3_BUCKET_NAME=your_s3_bucket_name
 
 # For MinIO or other S3-compatible storage
 S3_ENDPOINT=http://127.0.0.1:9000
 S3_FORCE_PATH_STYLE=true
+
+# Application Title
+APP_TITLE=S3 Media Transcoder
diff --git a/public/css/style.css b/public/css/style.css
index e5b41de..a04511e 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -129,6 +129,24 @@ header p {
     box-shadow: 0 20px 40px rgba(148, 163, 184, 0.15);
 }
 
+.top-banner {
+    background: rgba(255, 255, 255, 0.08);
+    border: 1px solid var(--panel-border);
+    border-radius: 16px;
+    padding: 1rem 1.25rem;
+    margin-bottom: 1.5rem;
+    color: var(--text-primary);
+    font-size: 1.25rem;
+    font-weight: 700;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.top-banner.hidden {
+    display: none;
+}
+
 .section-header {
     display: flex;
     justify-content: space-between;
@@ -157,6 +175,39 @@ header p {
     margin-bottom: 1rem;
 }
 
+.credentials-panel {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.75rem;
+    margin-bottom: 1rem;
+}
+
+.credential-field {
+    display: flex;
+    flex-direction: column;
+    min-width: 180px;
+    flex: 1 1 180px;
+}
+
+.credential-field label {
+    color: var(--text-secondary);
+    font-size: 0.95rem;
+    margin-bottom: 0.35rem;
+}
+
+.credential-field input {
+    background: rgba(255, 255, 255, 0.08);
+    color: var(--text-primary);
+    border: 1px solid var(--panel-border);
+    border-radius: 10px;
+    padding: 0.5rem 0.75rem;
+    outline: none;
+}
+
+.credential-field input:focus {
+    border-color: var(--accent);
+}
+
 .codec-panel label {
     color: var(--text-secondary);
     font-size: 0.95rem;
diff --git a/public/index.html b/public/index.html
index 8819ced..754070e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -17,10 +17,7 @@
     </div>
 
     <div class="container">
-        <header>
-            <h1>S3 Media <span>Transcoder</span></h1>
-            <p>Seamlessly transcode videos from AWS S3 to MP4 for browser playback</p>
-        </header>
+        <div id="top-banner" class="top-banner hidden"></div>
 
         <main class="dashboard">
             <section class="video-list-section glass-panel">
@@ -35,6 +32,16 @@
                         </button>
                     </div>
                 </div>
+                <div class="credentials-panel">
+                    <div class="credential-field">
+                        <label for="s3-username">Username</label>
+                        <input id="s3-username" type="text" placeholder="Access key" autocomplete="username">
+                    </div>
+                    <div class="credential-field">
+                        <label for="s3-password">Password</label>
+                        <input id="s3-password" type="password" placeholder="Secret key" autocomplete="current-password">
+                    </div>
+                </div>
                 <div class="codec-panel">
                     <label for="codec-select">编码方式：</label>
                     <select id="codec-select">
diff --git a/public/js/main.js b/public/js/main.js
index 4b9f4df..d4cb5f6 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -3,6 +3,8 @@ document.addEventListener('DOMContentLoaded', () => {
     const loadingSpinner = document.getElementById('loading-spinner');
     const refreshBtn = document.getElementById('refresh-btn');
     const resetCacheBtn = document.getElementById('reset-cache-btn');
+    const usernameInput = document.getElementById('s3-username');
+    const passwordInput = document.getElementById('s3-password');
     const codecSelect = document.getElementById('codec-select');
     const encoderSelect = document.getElementById('encoder-select');
     const playerOverlay = document.getElementById('player-overlay');
@@ -15,6 +17,7 @@ document.addEventListener('DOMContentLoaded', () => {
     const progressInfo = document.getElementById('progress-info');
     const progressText = document.getElementById('progress-text');
     const progressFill = document.getElementById('progress-fill');
+    const topBanner = document.getElementById('top-banner');
 
     let currentPollInterval = null;
     let selectedKey = null;
@@ -51,6 +54,21 @@ document.addEventListener('DOMContentLoaded', () => {
         }
     };
 
+    const loadConfig = async () => {
+        if (!topBanner) return;
+        try {
+            const res = await fetch('/api/config');
+            if (!res.ok) throw new Error('Failed to load config');
+            const data = await res.json();
+            const title = data.title || 'S3 Media Transcoder';
+            topBanner.textContent = title;
+            topBanner.classList.remove('hidden');
+            document.title = title;
+        } catch (err) {
+            console.error('Config load failed:', err);
+        }
+    };
+
     const connectWebSocket = () => {
         const protocol = window.location.protocol === 'https:' ? 'wss' : 'ws';
         ws = new WebSocket(`${protocol}://${window.location.host}`);
@@ -90,6 +108,20 @@ document.addEventListener('DOMContentLoaded', () => {
         progressFill.style.width = '0%';
     };
 
+    const getS3AuthHeaders = () => {
+        const headers = {};
+        const username = usernameInput?.value?.trim();
+        const password = passwordInput?.value || '';
+        if (username) headers['X-S3-Username'] = username;
+        if (password) headers['X-S3-Password'] = password;
+        return headers;
+    };
+
+    const getS3AuthPayload = () => ({
+        username: usernameInput?.value?.trim() || '',
+        password: passwordInput?.value || ''
+    });
+
     const resetCache = async () => {
         if (!resetCacheBtn) return;
         resetCacheBtn.disabled = true;
@@ -149,7 +181,7 @@ document.addEventListener('DOMContentLoaded', () => {
         videoListEl.innerHTML = '';
 
         try {
-            const res = await fetch('/api/videos');
+            const res = await fetch('/api/videos', { headers: getS3AuthHeaders() });
             if (!res.ok) throw new Error('Failed to fetch videos. Check S3 Config.');
 
             const data = await res.json();
@@ -296,10 +328,11 @@ document.addEventListener('DOMContentLoaded', () => {
         try {
             const codec = codecSelect?.value || 'h264';
             const encoder = encoderSelect?.value || 'software';
+            const authPayload = getS3AuthPayload();
             const res = await fetch('/api/transcode', {
                 method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify({ key: selectedKey, codec, encoder })
+                headers: { 'Content-Type': 'application/json', ...getS3AuthHeaders() },
+                body: JSON.stringify({ key: selectedKey, codec, encoder, ...authPayload })
             });
             const data = await res.json();
 
@@ -374,5 +407,6 @@ document.addEventListener('DOMContentLoaded', () => {
 
     // Connect WebSocket and initial load
     connectWebSocket();
+    loadConfig();
     fetchVideos();
 });
diff --git a/server.js b/server.js
index 65c30f2..fc23543 100644
--- a/server.js
+++ b/server.js
@@ -20,18 +20,44 @@ app.use(cors());
 app.use(express.json());
 app.use(express.static('public'));
 
-// Configure AWS S3 Client
-const s3Client = new S3Client({
-    region: process.env.AWS_REGION || 'us-east-1',
-    endpoint: process.env.S3_ENDPOINT,
-    forcePathStyle: process.env.S3_FORCE_PATH_STYLE === 'true',
-    credentials: {
-        accessKeyId: process.env.AWS_ACCESS_KEY_ID,
-        secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY
-    }
-});
+const rawBucketAddress = process.env.S3_BUCKET_ADDRESS || process.env.S3_BUCKET_NAME || '';
+let BUCKET_NAME = rawBucketAddress;
+
+const parsedBucketUrl = rawBucketAddress.includes('://') ? (() => {
+    try {
+        const parsed = new URL(rawBucketAddress);
+        const name = parsed.pathname.replace(/^\/+/, '');
+        if (name) {
+            BUCKET_NAME = name;
+        }
+        return parsed.origin;
+    } catch (err) {
+        return undefined;
+    }
+})() : undefined;
+
+const defaultS3ClientConfig = {
+    region: process.env.AWS_REGION || 'us-east-1',
+    endpoint: process.env.S3_ENDPOINT || parsedBucketUrl,
+    forcePathStyle: process.env.S3_FORCE_PATH_STYLE === 'true'
+};
+
+const createS3Client = (credentials) => {
+    const clientConfig = { ...defaultS3ClientConfig };
+    if (credentials && credentials.username && credentials.password) {
+        clientConfig.credentials = {
+            accessKeyId: credentials.username,
+            secretAccessKey: credentials.password
+        };
+    } else if (process.env.AWS_ACCESS_KEY_ID && process.env.AWS_SECRET_ACCESS_KEY) {
+        clientConfig.credentials = {
+            accessKeyId: process.env.AWS_ACCESS_KEY_ID,
+            secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY
+        };
+    }
+    return new S3Client(clientConfig);
+};
 
-const BUCKET_NAME = process.env.S3_BUCKET_NAME;
 const progressMap = {};
 const wsSubscriptions = new Map();
 
@@ -84,6 +110,15 @@ const shouldRetryWithSoftware = (message) => {
     return /Cannot load libcuda\.so\.1|Could not open encoder before EOF|Error while opening encoder|Operation not permitted|Invalid argument/i.test(message);
 };
 
+const extractS3Credentials = (req) => {
+    const username = req.headers['x-s3-username'] || req.body?.username || '';
+    const password = req.headers['x-s3-password'] || req.body?.password || '';
+    return {
+        username: typeof username === 'string' ? username.trim() : '',
+        password: typeof password === 'string' ? password : ''
+    };
+};
+
 const wss = new WebSocket.Server({ server });
 
 wss.on('connection', (ws) => {
@@ -134,6 +169,8 @@ app.get('/api/videos', async (req, res) => {
             return res.status(500).json({ error: 'S3_BUCKET_NAME not configured' });
         }
         const allObjects = [];
+        const auth = extractS3Credentials(req);
+        const s3Client = createS3Client(auth);
         let continuationToken;
 
         do {
@@ -168,6 +205,11 @@ app.get('/api/videos', async (req, res) => {
     }
 });
 
+app.get('/api/config', (req, res) => {
+    const title = process.env.APP_TITLE || 'S3 Media Transcoder';
+    res.json({ title });
+});
+
 app.post('/api/reset-cache', (req, res) => {
     try {
         clearMp4Cache();
@@ -215,6 +257,8 @@ app.post('/api/transcode', async (req, res) => {
         fs.mkdirSync(outputDir, { recursive: true });
 
         // Get S3 stream
+        const auth = extractS3Credentials(req);
+        const s3Client = createS3Client(auth);
         const command = new GetObjectCommand({
             Bucket: BUCKET_NAME,
             Key: key