Please make sure that the argument HttpService at index [0] is available in the AdminModule context.
解决：，在用到HttpService的地方加入下图红框代码就可以了。
1、import { HttpModule } from '@nestjs/axios';
2、HttpModule.register({
timeout: 5000,
maxRedirects: 5,
}),
3、 exports: [LoginService, HttpModule],
