tarojs dev:weapp报错 code: ‘StringExpected‘

/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:440

    var result = (0, js_binding_1.validateConfig)(configStr);

                                                 ^

Error: Failed to convert JavaScript value `Undefined` into rust type `String`

    at checkConfig (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:199:50)

    at Object.<anonymous> (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:61:37)

    at step (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:87:23)

    at Object.next (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:28:20)

    at /Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:8:71

    at new Promise (<anonymous>)

    at __awaiter (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:4:12)

    at Object.fn (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/cli/dist/presets/commands/build.js:47:20)

    at Kernel.<anonymous> (/Users/towin/Desktop/xj/moible/S.NewShiCiMini/node_modules/@tarojs/service/src/Kernel.ts:303:34)

    at Generator.next (<anonymous>) {

  code: 'StringExpected'

}

控制台报错这些 

npm cache clean --force

npm view @tarojs/cli versions  查看了一下版本发现没有我package.json3.6.8版本

而我的package.json写死了安装版本3.6.8，是这个原因安装了3.6.35好用了

@tarojs/helper@3.6.35

使用 nvm alias default XXX 指令设置默认 node 版本。