运行 yarn start 时出现错误 [BrowserslistError]

Question

我正在运行一个 react-script，当我执行 yarn start 时，它给了我如下错误：

    C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\node_modules\browserslist\node.js:329
    throw new BrowserslistError(
    ^
    Error [BrowserslistError]: C:\Users\LENOVO\Documents\MUSICON\musicon contains both 
    browserslist and package.json with browsers
    at C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\node_modules\browserslist\node.js:329:15
    at eachParent (C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\node_modules\browserslist\node.js:49:18)
    at Object.findConfig (C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\node_modules\browserslist\node.js:305:20)
    at Function.loadConfig (C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\node_modules\browserslist\node.js:223:37)
    at checkBrowsers (C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react-dev- 
    utils\browsersHelper.js:45:32)
    at Object.<anonymous> (C:\Users\LENOVO\Documents\MUSICON\musicon\node_modules\react- 
    scripts\scripts\start.js:87:1)
    at Module._compile (internal/modules/cjs/loader.js:1085:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
    at Module.load (internal/modules/cjs/loader.js:950:32)
    at Function.Module._load (internal/modules/cjs/loader.js:790:14) {
    browserslist: true
    }
    error Command failed with exit code 1.