const http = require('http');
const PORT = 3000;

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'application/json');
  res.end(JSON.stringify({ success: true, message: '服务器正常运行' }));
});

server.listen(PORT, '0.0.0.0', () => {
  console.log(`服务器运行在 http://0.0.0.0:${PORT}`);
});