简单描述一下，项目需要转码然后用到iconv-lite库
之前用1.9.x的时候没问题
然后升级到2.4.3以后，没有build直接在浏览器上跑，也不报错
但是build了以后运行，就报错，具体报错是
Uncaught Error: Cannot find module ‘iconv-lite’
at i (index.ea9d3.js:1)
at index.ea9d3.js:1
at Object.window.__require.Assembling.buffer (index.ea9d3.js:1)
at i (index.ea9d3.js:1)
at t (index.ea9d3.js:1)
at index.ea9d3.js:1
cocos2d-js-min.9ccee.js:1 Cocos Creator v2.4.3
main.a6c68.js:79 Success to load scene: db://assets/resources/Scene/MianScene.fire
补充一下，是web-mobile项目