Creating an optimized production build...
2----->{"errors":["\u001b[7mstatic/js/main.ef91b767.js from UglifyJs\u001b[27m\nInvalid assignment [./~/query-string/index.js:8,0][static/js/main.ef91b767.js:53918,30]"],"warnings":[]}
Failed to compile.
static/js/main.ef91b767.js from UglifyJs
Invalid assignment [./~/query-string/index.js:8,0][static/js/main.ef91b767.js:53918,30]
由于此时使用的query-string@6但是不兼容，打包出错。需要降版本npm i query-string@5；再次打包。
Creating an optimized production build...
2----->{"errors":[],"warnings":[]}
Compiled successfully.
问题解决
