烧瓶问题和错误请求

from flask import Flask, jsonify
from flaskext.mysql import MySQL
from flask_cors import CORS, cross_origin

app = Flask(__name__)
CORS(app)
app.config['CORS_HEADERS'] = 'Content-Type'
cors = CORS(app, resources={r"/punishments": {"origins": "http://localhost:5000" "*"}})
mysql = MySQL()

# MySQL configurations
app.config['MYSQL_DATABASE_USER'] = 'test'
app.config['MYSQL_DATABASE_PASSWORD'] = 'Biologie1'
app.config['MYSQL_DATABASE_DB'] = 'test'
app.config['MYSQL_DATABASE_HOST'] = 'localhost'

mysql.init_app(app)

@app.route('/punishments', methods=['GET'])
@cross_origin(origin='localhost:5000',headers=['Content- Type','Authorization'])
def get():
    cur = mysql.connect().cursor()
    cur.execute('''select * from test.punishments''')
    r = [dict((cur.description[i][0], value)
              for i, value in enumerate(row)) for row in cur.fetchall()]
    return jsonify({'punishments' : r})

if __name__ == '__main__':
    app.run()

export class ApiUserService {

  private _postsURL = "https://localhost:5000/punishments";

  constructor(private http: HttpClient) {
  }

  getPosts(): Observable<Punishments[]> {

    let headers = new HttpHeaders();
    headers = headers.set('Content-Type', 'application/json; charset=utf-8');

    return this.http
      .get(this._postsURL,{
        headers: {'Content-Type':'application/json; charset=utf-8'}
      })
      .map((response: Response) => {
        return <Punishments[]>response.json();
      })
      .catch(this.handleError);
  }

  private handleError(error: Response) {
    return Observable.throw(error.statusText);
  }
}