nodejs使用connect-mongo出现问题

Question

我用的版本是1.2.1是不是太老了？
D:\somepackage\app\node_modules\connect-mongo\src\index.js:3
const Promise = require('bluebird');
^^^^^
SyntaxError: Use of const in strict mode.
at exports.runInThisContext (vm.js:73:16)
at Module._compile (module.js:443:25)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object. (D:\somepackage\app\node_modules\connect-mongo\index.j
s:1:80)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
哪位前辈有经验指点下 谢谢

Answer 1

意思是叫你用js严格模式