在模拟器中白屏是怎么回事

Error: Cannot find module 'D:\Program Files\HBuilderX\plugins\compile-node-sass\node_modules\node-sass-china'
11:15:55.437 Require stack:
11:15:55.457 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\getDefaultSassImplementation.js
11:15:55.481 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\getSassImplementation.js
11:15:55.504 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\index.js
11:15:55.527 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\cjs.js
11:15:55.549 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\loader-runner\lib\loadLoader.js
11:15:55.571 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\loader-runner\lib\LoaderRunner.js
11:15:55.591 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\NormalModule.js
11:15:55.614 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\NormalModuleFactory.js
11:15:55.634 - D:\Program Files\HBuilderX\plugins\uniapp
11:15:55.656 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\webpack.js
11:15:55.679 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\@dcloudio\vue-cli-plugin-uni-optimize\index.js
11:15:55.702 - D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\@vue\cli-service\lib\Service.js
11:15:55.724 - D:\Program Files\HBuilderX\plugins\uniapp-cli\bin\uniapp-cli.js
11:15:55.748 at Function.Module._resolveFilename (internal/modules/cjs/loader.js:815:15)
11:15:55.768 at Function.Module._resolveFilename (D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\module-alias\index.js:49:29)
11:15:55.788 at Function.Module._load (internal/modules/cjs/loader.js:667:27)
11:15:55.812 at Module.require (internal/modules/cjs/loader.js:887:19)
11:15:55.834 at require (internal/modules/cjs/helpers.js:74:18)
11:15:55.856 at getDefaultSassImplementation (D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\getDefaultSassImplementation.js:24:10)
11:15:55.878 at getSassImplementation (D:\Program Files\HBuilderX\plu
11:15:55.899 at Object.loader (D:\Program Files\HBuilderX\plugins\uniapp-cli\node_modules\sass-loader\dist\index.js:40:61) at view.umd.min.js:1[_Connect-166848381END]
11:15:55.920 TypeError: Cannot read property 'addVData' of undefined at view.umd.min.js:1