基于角色的authguard进入无限循环

Question

下面是我的canActivate的auth.gurad.ts代码。我想实施基于角色的身份验证，以便在投资者登录时应将其重定向到投资者仪表板，任何帮助都将得到

canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
        const currentUser = this.authenticationService.currentUserValue;
        if (currentUser) {
            debugger;

             switch(currentUser.role){
                 case 'Business':
                   this.router.navigate(['/business']);

                 break;

                 case 'Invester':
                   this.router.navigate(['/invester']);

                 break;

                 case 'Admin':
                  this.router.navigate(['/admin']);

                 break;


         }

            // check if route is restricted by role
             if (route.data.roles && route.data.roles.indexOf(currentUser.role) === -1) {
                 // role not authorised so redirect to home page
                  this.router.navigate(['/']);
                  return false;
              }

            // authorised so return true
            return true;
        }

我的routing.module.ts代码如下

const routes: Routes = [
{   
        path: 'admin',
        component: AdminComponent,
        canActivate: [AuthGuard],
        data: { roles: [Role.Admin] }
    },
    {   
        path: 'invester',
        component: InvesterComponent,
        canActivate: [AuthGuard],
        data: { roles: [Role.Invester] }
    },
 {
        path: '',
        component: HomeComponent,
        canActivate: [AuthGuard]

    },