【报Bug】macos 升级到 12.0.1后，编译报错。（重新安装，删除刚修改的两个以为不会出错的文件，就好了）

升级最新版macos版本 12.0.1后运行到小程序，scss编译报错。

00:36:30.182 Module build failed (from ./node_modules/mini-css-extract-plugin/dist/loader.js):
00:36:30.182 ModuleBuildError: Module build failed (from ./node_modules/postcss-loader/src/index.js):
00:36:30.190 Error: Unexpected '!'. Escaping special characters with \ may help.
00:36:30.190 at Root._error (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:182:24)
00:36:30.197 at Root.error (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/selectors/root.js:43:25)
00:36:30.198 at Parser.error (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:666:25)
00:36:30.206 at Parser.unexpected (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:684:21)
00:36:30.207 at Parser.parse (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:979:22)
00:36:30.216 at Parser.loop (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:923:18)
00:36:30.216 at new Parser (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/parser.js:174:14)
00:36:30.225 at Processor._root (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/processor.js:47:22)
00:36:30.226 at Processor._runSync (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/processor.js:83:25)
00:36:30.236 at Processor.processSync (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/node_modules/postcss-selector-parser/dist/processor.js:177:27)
00:36:30.238 at transformSelector (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/packages/postcss/index.js:25:40)
00:36:30.248 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/@dcloudio/vue-cli-plugin-uni/packages/postcss/index.js:227:29
00:36:30.248 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/postcss-comment/node_modules/postcss/lib/container.js:237:28
00:36:30.258 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/postcss-comment/node_modules/postcss/lib/container.js:144:26
00:36:30.260 at Root.each (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/postcss-comment/node_modules/postcss/lib/container.js:110:22)
00:36:30.270 at Root.walk (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/postcss-comment/node_modules/postcss/lib/container.js:143:21)
00:36:30.271 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/webpack/lib/NormalModule.js:316:20
00:36:30.281 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:367:11
00:36:30.282 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:233:18
00:36:30.290 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:111:13
00:36:30.291 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/postcss-loader/src/index.js:208:9
00:36:30.300 ERROR Build failed with errors.
00:39:17.383 已停止运行...