diff --git a/package.json b/package.json
index ef4378f..df04623 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,8 @@
     "dev": "cross-env NODE_ENV=development nodemon --exec tsx src/index.ts",
     "build": "rimraf dist && rollup -c",
     "deploy": "rsync -avz dist/ light:~/apps/var-proxy/backend",
-    "reload": "ssh light pm2 restart proxy"
+    "reload": "ssh light pm2 restart proxy",
+    "pub": "npm run build && npm run deploy && npm run reload"
   },
   "keywords": [],
   "author": "",
diff --git a/src/module/get-content-type.ts b/src/module/get-content-type.ts
index 9289e60..5dc1806 100644
--- a/src/module/get-content-type.ts
+++ b/src/module/get-content-type.ts
@@ -3,17 +3,47 @@ import path from 'path';
 export const getContentType = (filePath: string) => {
   const extname = path.extname(filePath);
   const contentType = {
-    '.txt': 'text/plain',
-    '.html': 'text/html',
-    '.js': 'text/javascript',
-    '.css': 'text/css',
-    '.json': 'application/json',
+    '.html': 'text/html; charset=utf-8',
+    '.js': 'text/javascript; charset=utf-8',
+    '.css': 'text/css; charset=utf-8',
+    '.txt': 'text/plain; charset=utf-8',
+    '.json': 'application/json; charset=utf-8',
     '.png': 'image/png',
     '.jpg': 'image/jpg',
     '.gif': 'image/gif',
     '.svg': 'image/svg+xml',
     '.wav': 'audio/wav',
     '.mp4': 'video/mp4',
+    '.md': 'text/markdown; charset=utf-8', // utf-8配置
+    '.ico': 'image/x-icon', // Favicon 图标
+    '.webp': 'image/webp', // WebP 图像格式
+    '.webm': 'video/webm', // WebM 视频格式
+    '.ogg': 'audio/ogg', // Ogg 音频格式
+    '.mp3': 'audio/mpeg', // MP3 音频格式
+    '.m4a': 'audio/mp4', // M4A 音频格式
+    '.m3u8': 'application/vnd.apple.mpegurl', // HLS 播放列表
+    '.ts': 'video/mp2t', // MPEG Transport Stream
+    '.pdf': 'application/pdf', // PDF 文档
+    '.doc': 'application/msword', // Word 文档
+    '.docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', // Word 文档 (新版)
+    '.ppt': 'application/vnd.ms-powerpoint', // PowerPoint 演示文稿
+    '.pptx': 'application/vnd.openxmlformats-officedocument.presentationml.presentation', // PowerPoint (新版)
+    '.xls': 'application/vnd.ms-excel', // Excel 表格
+    '.xlsx': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', // Excel 表格 (新版)
+    '.csv': 'text/csv; charset=utf-8', // CSV 文件
+    '.xml': 'application/xml; charset=utf-8', // XML 文件
+    '.rtf': 'application/rtf', // RTF 文本文件
+    '.eot': 'application/vnd.ms-fontobject', // Embedded OpenType 字体
+    '.ttf': 'font/ttf', // TrueType 字体
+    '.woff': 'font/woff', // Web Open Font Format 1.0
+    '.woff2': 'font/woff2', // Web Open Font Format 2.0
+    '.otf': 'font/otf', // OpenType 字体
+    '.wasm': 'application/wasm', // WebAssembly 文件
+    '.pem': 'application/x-pem-file', // PEM 证书文件
+    '.crt': 'application/x-x509-ca-cert', // CRT 证书文件
+    '.yaml': 'application/x-yaml; charset=utf-8', // YAML 文件
+    '.yml': 'application/x-yaml; charset=utf-8', // YAML 文件（别名）
+    '.zip': 'application/octet-stream',
   };
   return contentType[extname] || 'application/octet-stream';
 };
diff --git a/src/module/index.ts b/src/module/index.ts
index e1af253..ccb79c7 100644
--- a/src/module/index.ts
+++ b/src/module/index.ts
@@ -163,8 +163,15 @@ export const handleRequest = async (req: http.IncomingMessage, res: http.ServerR
     const [indexFilePath, etag] = indexFile.split('||');
     const contentType = getContentType(indexFilePath);
     const isHTML = contentType.includes('html');
+    // 如果 content是 'application/octet-stream' 会下载文件, 添加文件后缀
+    if (contentType === 'application/octet-stream') {
+      // 提取文件名，只保留文件名而不是整个路径
+      const fileName = path.basename(indexFilePath);
+      res.setHeader('Content-Disposition', `attachment; filename=${fileName}`);
+    }
     // 不存在的文件,返回indexFile的文件
     res.writeHead(200, { 'Content-Type': contentType, 'Cache-Control': isHTML ? 'no-cache' : 'public, max-age=3600' });
+
     const filePath = path.join(fileStore, indexFilePath);
     const readStream = fs.createReadStream(filePath);
     readStream.pipe(res);
@@ -180,6 +187,12 @@ export const handleRequest = async (req: http.IncomingMessage, res: http.ServerR
     const filePath = path.join(fileStore, appFilePath);
     let contentType = getContentType(filePath);
     const isHTML = contentType.includes('html');
+    // 如果 content是 'application/octet-stream' 会下载文件, 添加文件后缀
+    if (contentType === 'application/octet-stream') {
+      // 提取文件名，只保留文件名而不是整个路径
+      const fileName = path.basename(appFilePath);
+      res.setHeader('Content-Disposition', `attachment; filename=${fileName}`);
+    }
     res.writeHead(200, {
       'Content-Type': contentType,
       'Cache-Control': isHTML ? 'no-cache' : 'public, max-age=3600', // 设置缓存时间为 1 小时