您好，我想在我的应用程序上以及在运行命令时使用角亚麻
npm install @angular/flex-layout
它的安装正确，但是当我启动服务器ng服务时，我发现此错误，我使用的是角度7
ERROR in node_modules/@angular/flex-layout/extended/typings/class/class.d.ts(9,19): error TS2305: Module '"D:/TFS/Ta3alomLive/WebApp/node_modules/@angular/common/common"' has no exported member 'ɵNgClassImpl'. node_modules/@angular/flex-layout/extended/typings/class/class.d.ts(9,33): error TS2305: Module '"D:/TFS/Ta3alomLive/WebApp/node_modules/@angular/common/common"' has no exported member 'ɵNgClassR2Impl'. node_modules/@angular/flex-layout/extended/typings/style/style.d.ts(9,19): error TS2305: Module '"D:/TFS/Ta3alomLive/WebApp/node_modules/@angular/common/common"' has no exported member 'ɵNgStyleImpl'. node_modules/@angular/flex-layout/extended/typings/style/style.d.ts(9,33): error TS2305: Module '"D:/TFS/Ta3alomLive/WebApp/node_modules/@angular/common/common"' has no exported member 'ɵNgStyleR2Impl'. node_modules/@angular/flex-layout/flex/typings/flex-offset/flex-offset.d.ts(9,32): error TS2307: Cannot find module '@angular/cdk/bidi'. node_modules/@angular/flex-layout/flex/typings/layout-gap/layout-gap.d.ts(9,32): error TS2307: Cannot find module '@angular/cdk/bidi'.