diff --git a/server.js b/server.js
index edc7eb0..ad48e12 100644
--- a/server.js
+++ b/server.js
@@ -11,6 +11,10 @@ const { S3Client, ListBucketsCommand, ListObjectsV2Command, GetObjectCommand } =
 
 dotenv.config();
 
+const CACHE_DIR = path.join(__dirname, 'cache');
+if (!fs.existsSync(CACHE_DIR)) {
+    fs.mkdirSync(CACHE_DIR, { recursive: true });
+}
 const app = express();
 const PORT = process.env.PORT || 3000;
 const HOST = process.env.HOST || process.env.LISTEN_ADDRESS || '0.0.0.0';
@@ -321,7 +325,7 @@ wss.on('connection', (ws) => {
 
 
 const clearDownloadCache = () => {
-    const tmpDir = os.tmpdir();
+    const tmpDir = CACHE_DIR;
     try {
         if (!fs.existsSync(tmpDir)) return;
         const files = fs.readdirSync(tmpDir);
@@ -329,6 +333,9 @@ const clearDownloadCache = () => {
             if (file.startsWith('s3-input-') && file.endsWith('.tmp')) {
                 const filePath = path.join(tmpDir, file);
                 fs.rmSync(filePath, { force: true });
+            } else if (file.startsWith('hls-')) {
+                const filePath = path.join(tmpDir, file);
+                fs.rmSync(filePath, { recursive: true, force: true });
             }
         }
     } catch (err) {
@@ -475,7 +482,7 @@ app.get('/api/hls/playlist.m3u8', async (req, res) => {
     
     const safeKeySegments = key.split('/').map(segment => segment.replace(/[^a-zA-Z0-9_\-]/g, '_'));
     const safeBucket = bucket.replace(/[^a-zA-Z0-9_\-]/g, '_');
-    const tmpInputPath = path.join(os.tmpdir(), `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
+    const tmpInputPath = path.join(CACHE_DIR, `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
     
     const auth = extractS3Credentials(req);
     const s3Client = createS3Client(auth);
@@ -597,10 +604,10 @@ app.get('/api/hls/segment.ts', async (req, res) => {
     
     const safeKeySegments = key.split('/').map(segment => segment.replace(/[^a-zA-Z0-9_\-]/g, '_'));
     const safeBucket = bucket.replace(/[^a-zA-Z0-9_\-]/g, '_');
-    const tmpInputPath = path.join(os.tmpdir(), `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
+    const tmpInputPath = path.join(CACHE_DIR, `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
     
     const progressKey = safeKeySegments.join('/');
-    const hlsDir = path.join(os.tmpdir(), `hls-${safeBucket}-${progressKey}`);
+    const hlsDir = path.join(CACHE_DIR, `hls-${safeBucket}-${progressKey}`);
     if (!fs.existsSync(hlsDir)) fs.mkdirSync(hlsDir, { recursive: true });
     
     const targetSegPath = path.join(hlsDir, `segment_${seg}.ts`);
@@ -741,7 +748,7 @@ app.get('/api/stream', async (req, res) => {
     const safeKeySegments = key.split('/').map(segment => segment.replace(/[^a-zA-Z0-9_\-]/g, '_'));
     const progressKey = safeKeySegments.join('/');
     const safeBucket = bucket.replace(/[^a-zA-Z0-9_\-]/g, '_');
-    const tmpInputPath = path.join(os.tmpdir(), `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
+    const tmpInputPath = path.join(CACHE_DIR, `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
     const cacheExists = fs.existsSync(tmpInputPath);
 
     const auth = extractS3Credentials(req);