Python 作业计划程序中未执行Web推送

正在执行作业计划程序，但由于某些原因，web推送未激活。我尝试在没有作业计划程序的情况下调用web推送功能，但它确实会在浏览器上触发通知。但是，当我在add_job scheduler函数中调用它时，不会触发任何内容。如果要激活web推送供参考，则应在作业计划程序之后调用GET提醒。请帮忙

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这里定义了

sched

的位置，为什么您只在处理程序中启动它，而不是在应用程序启动时启动它？您可以尝试使用simple_scheduler来代替。。。

@app.route("/notification", methods = ['POST', 'PUT'])
@token_required
def setNotifications(current_user, token):
    if request.method == 'POST':
        form = json.loads(request.data.decode('UTF-8'))
        subscription = form["subscription"]
        subscriptionId = form["subscriptionId"]
        dailyReminder = True if form['daily'] is True else False
        weeklyReminder = True if form['weekly'] is True else False
        yearlyReminder = True if form['yearly'] is True else False
        createNotif = db.session.query(User).filter(User.id == current_user.id).first()
        reminder = db.session.query(Reminder).filter(Reminder.subscriptionId  ==  subscriptionId).first()
        message = json.dumps({"token": token, "subscriptionId": subscriptionId})

 
        # print("Printing message" + message)
    
        VAPID_CLAIMS = {
            "sub": "my email"
        }
        if(createNotif.subscription == " "):
            createNotif.subscription = json.dumps(subscription)
            db.session.commit()

        
            try:
                # print("entering code")
                sched.add_job(lambda:modules.send_web_push(json.loads(createNotif.subscription), message, VAPID_PRIVATE_KEY, VAPID_CLAIMS), 'date', run_date = datetime.date(2021, 5,8))
                sched.start()
                # modules.send_web_push(json.loads(createNotif.subscription), message, VAPID_PRIVATE_KEY, VAPID_CLAIMS)
                # print("started here", flush= True)
                return jsonify({'success':1})
            except Exception as e:
                print("error",e)
                print("Could not send notification", flush=True)
                return jsonify({'failed':str(e)})
                

       
    

       
    if request.method == 'PUT':
        removeSubscription = db.session.query(User).filter(User.id == current_user.id).first()
        removeSubscription.subscription = " "
        db.session.commit()
        return jsonify({"success": "push notification has been updated"}), 200