fix:修复页面bug

src/server.ts

@@ -7,8 +7,9 @@ import path from 'path';
 dotenv.config();
 
 const app = express();
+const backendHost = process.env.BACKEND_HOST || '127.0.0.1';
 const backendPort = Number(process.env.BACKEND_PORT) || 8000;
-const backendBase = `http://127.0.0.1:${backendPort}`;
+const backendBase = `http://${backendHost}:${backendPort}`;
 
 app.use(cors());
 app.use(express.json());
@@ -41,6 +42,11 @@ app.get('/openapi.json', (req, res) => proxyToBackend(req, res));
 const publicDir = path.join(__dirname, '../public');
 app.use(express.static(publicDir));
 
+// 避免 Chrome DevTools 请求该路径时产生 404
+app.get('/.well-known/appspecific/com.chrome.devtools.json', (_req, res) => {
+  res.status(204).end();
+});
+
 app.get('/health', (_req, res) => {
   res.json({ status: 'ok', server: 'node-static' });
 });