DevTools failed to load source map: Could not parse content for http://localhost:8000/index.js.map: Unexpected token ‘<’, "<!DOCTYPE "… is not valid JSON

problem

控制台报错

DevTools failed to load source map: Could not parse content for http://localhost:8000/index.js.map: Unexpected token '<', "<!DOCTYPE "... is not valid JSON

reason

source map 解析问题

solution

setting -> preferences -> 去除勾选 enable javascript source maps