小程序开发环境部署失败

{"code":-1,"reason":"/data/release/node-weapp-demo/app.js:2\nApp({\n^\n\nReferenceError: App is not defined\n at Object.<anonymous> (/data/release/node-weapp-demo/app.js:2:1)\n at Module._compile (module.js:569:30)\n at"}