报错/ ./node_modules/axios/lib/platform/index.js Module parse failed: Unexpected token (5:2)怎么解决？

 ERROR  Failed to compile with 1 errors                                                                                                                                                                         10:52:35

 error  in ./node_modules/axios/lib/platform/index.js

Module parse failed: Unexpected token (5:2)
You may need an appropriate loader to handle this file type.
| 
| export default {
|   ...utils,
|   ...platform
| }

 @ ./node_modules/axios/lib/defaults/index.js 8:0-44
 @ ./node_modules/axios/lib/axios.js
 @ ./node_modules/axios/index.js
 @ ./src/js/main.js
 @ multi (webpack)-dev-server/client?http://localhost:81 webpack/hot/dev-server ./src/js/main.js

 执行下面的安装（注意axios版本要和自己的项目匹配）

npm uninstall axiosnpm install axios@0.19.0 --save