Update app.js

app.js

@@ -3,6 +3,7 @@ const fetch = require('node-fetch');
 const zlib = require('zlib');
 const { promisify } = require('util');
 const stream = require('stream');
+const bodyParser = require('body-parser');
 
 const gunzip = promisify(zlib.gunzip);
 const pipeline = promisify(stream.pipeline);
@@ -217,7 +218,10 @@ function handleOptions(res) {
 }
 
 const app = express();
-app.use(express.json());
+
+// 增加 body-parser 的限制
+app.use(bodyParser.json({ limit: '50mb' }));
+app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
 
 // 根路由处理
 app.get('/', (req, res) => {