这个提示之前应该还有其他错误提示,看了一下你的应用的日志:
[INFO] > node-js-getting-started@1.0.0 start /home/leanengine/app
[INFO] > node server.js
[ERROR] AVOSCloud SDK is already initialized, please don't reinitialize it.
[ERROR] fs.js:640
[ERROR] return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
[ERROR] ^
[ERROR] Error: ENOENT: no such file or directory, open 'countryCityJson.json'
[ERROR] at Error (native)
[ERROR] at Object.fs.openSync (fs.js:640:18)
[ERROR] at Object.fs.readFileSync (fs.js:508:33)
[ERROR] at Object.readFileSync (/home/leanengine/app/node_modules/jsonfile/index.js:66:20)
[ERROR] at Object.<anonymous> (/home/leanengine/app/cloud/GenerateCountryCityData/saveToLeanCloud.js:6:32)
[ERROR] at Module._compile (module.js:556:32)
[ERROR] at Object.Module._extensions..js (module.js:565:10)
[ERROR] at Module.load (module.js:473:32)
[ERROR] at tryModuleLoad (module.js:432:12)
[ERROR] at Function.Module._load (module.js:424:3)