出现这个报错是为什么You may need an appropriate loader to handle this file type.

[yuzhihaoGitHub]

ERROR in ./node_modules/iostore/src/createStore.js
Module parse failed: Unexpected token (9:26)
You may need an appropriate loader to handle this file type.
|
| export default config => {
| const { namespace = '', ...rest } = config;
| let service;
| let isChanged = false;
@ ./node_modules/iostore/src/index.js 2:0-40
@ ./src/workerjs/Navigation.js
@ multi (webpack)-dev-server/client?http://192.168.0.17:8888 ./src/workerjs/Navigation.js

[yisbug]

检查一下你的构建工具是否支持最新的语法