HEROKU网站离线后，没有收到新的请求

我的网站总是崩溃。如果我没有触发新的请求，我会收到消息“这里什么都没有，还没有。"我必须刷新页面几次才能加载网站。也许是设置中的一些东西，但我不知道是什么。我正在使用django_on_heroku和dj_database_url在heroku中做“自动”设置。
base.py

"""
Django settings for setup project.

Generated by 'django-admin startproject' using Django 4.0.6.

For more information on this file, see
https://docs.djangoproject.com/en/4.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.0/ref/settings/
"""
import dj_database_url
from dotenv import load_dotenv, find_dotenv

from pathlib import Path, os

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent.parent

# Application definition

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    # Meus apps
    "users.apps.UsersConfig",
    "accounts.apps.AccountsConfig",
    "produtos.apps.ProdutosConfig",
    "lojista.apps.LojistaConfig",
    # 3rd
    "localflavor",
    "tempus_dominus",
    "django_extensions",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "whitenoise.middleware.WhiteNoiseMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "setup.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [BASE_DIR / "templates"],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    },
]

WSGI_APPLICATION = "setup.wsgi.application"

# Database
# https://docs.djangoproject.com/en/4.0/ref/settings/#databases

# DATABASES = {
#     "default": {
#         "ENGINE": "django.db.backends.sqlite3",
#         "NAME": BASE_DIR / "db.sqlite3",
#     }
# }

load_dotenv(find_dotenv())

DATABASES = {
    "default": dj_database_url.config(default="sqlite://db.slite3")
}

# Password validation
# https://docs.djangoproject.com/en/4.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
    },
]

# Internationalization
# https://docs.djangoproject.com/en/4.0/topics/i18n/

LANGUAGE_CODE = "pt-Br"

TIME_ZONE = "America/Sao_Paulo"

USE_I18N = True
USE_L10N = True
USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.0/howto/static-files/

STATIC_URL = "/static/"
STATIC_ROOT = BASE_DIR / "staticfiles"
STATICFILES_DIRS = (os.path.join(BASE_DIR, "static"),)

MEDIA_ROOT = os.path.join(BASE_DIR, "media")
MEDIA_URL = "/media/"

STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"

# Default primary key field type
# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# Extend User
AUTH_USER_MODEL = "users.CustomUser"

LOGIN_REDIRECT_URL = "/"
LOGOUT_REDIRECT_URL = "/"
TEMPUS_DOMINUS_LOCALIZE = True

USE_L10N = True

# messages
from django.contrib.messages import constants as messages

MESSAGE_TAGS = {
    messages.DEBUG: "alert-info",
    messages.INFO: "alert-info",
    messages.SUCCESS: "alert-success",
    messages.WARNING: "alert-warning",
    messages.ERROR: "alert-danger",
}

prod.py

import django_on_heroku
from decouple import config

from .base import *

SECRET_KEY = config("SECRET_KEY")

DEBUG = False

ALLOWED_HOSTS = [
    "e-commerce-validity.herokuapp.com",
]

DEBUG_PROPAGATE_EXPECTIONS = True

LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
            "datefmt": "%d/%b/%Y %H:%M:%S",
        },
        "simple": {"format": "%(levelname)s %(message)s"},
    },
    "handlers": {
        "console": {
            "level": "DEBUG",
            "class": "logging.StreamHandler",
        },
    },
    "loggers": {
        "MYAPP": {
            "handlers": ["console"],
            'level': os.getenv('DJANGO_LOG_LEVEL', 'DEBUG'),
        },
    },
}

# Heroku Settings
django_on_heroku.settings(locals(), staticfiles=False)
del DATABASES["default"]["OPTIONS"]["sslmode"]

上次脱机时日志

2022-09-20T09:22:00.227176+00:00 app[web.1]: 10.1.5.86 - - [20/set/2022:06:22:00 -0300] "GET /media/products/2022/09/20/shopping_1.webp HTTP/1.1" 404 179 "https://e-commerce-validity.herokuapp.com/categoria/bebidas" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"
2022-09-20T09:22:00.227188+00:00 heroku[router]: at=info method=GET path="/media/products/2022/09/20/shopping_1.webp" host=e-commerce-validity.herokuapp.com request_id=1b0debf4-5a8c-407d-a589-e17a602d23b4 fwd="179.66.122.162" dyno=web.1 connect=0ms service=1ms status=404 bytes=452 protocol=https
2022-09-20T09:22:01.046037+00:00 heroku[router]: at=info method=GET path="/produto/coca-cola-zero" host=e-commerce-validity.herokuapp.com request_id=1c953d08-eb6f-4dd2-8a97-de9f805d3df8 fwd="179.66.122.162" dyno=web.1 connect=0ms service=14ms status=200 bytes=5704 protocol=https
2022-09-20T09:22:01.046086+00:00 app[web.1]: 10.1.5.86 - - [20/set/2022:06:22:01 -0300] "GET /produto/coca-cola-zero HTTP/1.1" 200 5241 "https://e-commerce-validity.herokuapp.com/categoria/bebidas" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"
2022-09-20T09:22:01.318131+00:00 heroku[router]: at=info method=GET path="/media/products/2022/09/20/shopping_1.webp" host=e-commerce-validity.herokuapp.com request_id=9316ccb6-f7fd-43ab-b545-47b1442f3f3d fwd="179.66.122.162" dyno=web.1 connect=0ms service=2ms status=404 bytes=452 protocol=https
2022-09-20T09:22:01.318224+00:00 app[web.1]: 10.1.5.86 - - [20/set/2022:06:22:01 -0300] "GET /media/products/2022/09/20/shopping_1.webp HTTP/1.1" 404 179 "https://e-commerce-validity.herokuapp.com/produto/coca-cola-zero" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"
2022-09-20T09:22:02.380148+00:00 heroku[router]: at=info method=GET path="/carrinho/" host=e-commerce-validity.herokuapp.com request_id=e0d79cfd-4b64-4305-9025-a863cade10d3 fwd="179.66.122.162" dyno=web.1 connect=0ms service=11ms status=200 bytes=10006 protocol=https
2022-09-20T09:22:02.380234+00:00 app[web.1]: 10.1.5.86 - - [20/set/2022:06:22:02 -0300] "GET /carrinho/ HTTP/1.1" 200 9543 "https://e-commerce-validity.herokuapp.com/produto/coca-cola-zero" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"
2022-09-20T09:22:02.655168+00:00 heroku[router]: at=info method=GET path="/media/products/2022/09/20/shopping.webp" host=e-commerce-validity.herokuapp.com request_id=55c3277d-ea8b-4506-a37e-a79f029845dc fwd="179.66.122.162" dyno=web.1 connect=0ms service=2ms status=404 bytes=452 protocol=https
2022-09-20T09:22:02.655208+00:00 app[web.1]: 10.1.5.86 - - [20/set/2022:06:22:02 -0300] "GET /media/products/2022/09/20/shopping.webp HTTP/1.1" 404 179 "https://e-commerce-validity.herokuapp.com/carrinho/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"

HEROKU网站离线后，没有收到新的请求

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