问邮递员/Rest客户端工作，但飞行前认证错误通过角度应用

EN

   const headers = new HttpHeaders({'Authorization': 'Bearer' + ' ' + this.token,
                                    'Content-Type':  'application/json'});
   this.http.get('https://some url', {
    headers : headers
   }).subscribe((res) => {
     console.log(res);
   }, (error) => {
     console.log(error);
   });