我正在尝试使用aiocache库在我的端点上实现redis。我用aiocache做的第一个测试使用了@cache，没有指明任何其他服务，一切正常。但是当我尝试使用redis时，我看到了这个错误（端点仍然返回请求）

ERROR:    Couldn't set [<databases.backends.postgres.Record object at 0x7fb9f01d86a0>, <databases.backends.postgres.Record object at 0x7fb9f01d88b0>, <databases.backends.postgres.Record object at 0x7fb9f01d8a60>] in key app.api.authorget_authors()[], unexpected error
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/aiocache/decorators.py", line 144, in set_in_cache
    await self.cache.set(key, value, ttl=self.ttl)
  File "/usr/local/lib/python3.8/site-packages/aiocache/base.py", line 61, in _enabled
    return await func(*args,**kwargs)
  File "/usr/local/lib/python3.8/site-packages/aiocache/base.py", line 45, in _timeout
    return await asyncio.wait_for(func(self, *args,**kwargs), timeout)
  File "/usr/local/lib/python3.8/asyncio/tasks.py", line 483, in wait_for
    return fut.result()
  File "/usr/local/lib/python3.8/site-packages/aiocache/base.py", line 75, in _plugins
    ret = await func(self, *args,**kwargs)
  File "/usr/local/lib/python3.8/site-packages/aiocache/base.py", line 265, in set
    ns_key, dumps(value), ttl=self._get_ttl(ttl), _cas_token=_cas_token, _conn=_conn
  File "/usr/local/lib/python3.8/site-packages/aiocache/serializers/serializers.py", line 140, in dumps
    return json.dumps(value)
TypeError: <databases.backends.postgres.Record object at 0x7fb9f01d8a60> is not JSON serializable

方法是：

@authors.get("/", response_model=List[AuthorOut])                                                                                                                                                                                        
@cached(                                                                                                
     ttl=100,                                                                                            
     cache=Cache.REDIS,
     endpoint="X.X.X.X", #my local ip
     serializer=JsonSerializer(),
     port=6379,
     namespace="main",
     #key="key",
 )
async def get_authors():
   return await db_manager.get_all_authors()

整个环境基于docker、2个容器、1个fastapi、1个postgresql和1个redis。
很明显，端点返回的对象有问题，所以我问您如何将如此复杂的对象传递给redis？
遵循aiochace文档，我已经尝试了所有的序列化程序，但是没有成功。
我的 Docker

version: '3.7'

services:
  book_service:
    build: ./book-service
    command: uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
    volumes:
      - ./book-service/:/app/
    ports:
      - 8001:8000
    environment:
      - DATABASE_URI=postgresql://book_db_username:book_db_password@book_db/book_db_dev
      - AUTHOR_SERVICE_HOST_URL=http://author_service:8000/api/v1/authors/
    depends_on:
      - book_db

  book_db:
    image: postgres:12.1-alpine
    volumes:
      - postgres_data_book:/var/lib/postgresql/data/
    environment:
      - POSTGRES_USER=book_db_username
      - POSTGRES_PASSWORD=book_db_password
      - POSTGRES_DB=book_db_dev

  author_service:
    build: ./author-service
    command: uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
    volumes:
      - ./author-service/:/app/
    ports:
      - 8002:8000
    environment:
      - DATABASE_URI=postgresql://author_db_username:author_db_password@author_db/author_db_dev
    depends_on:
      - author_db

  author_db:
    image: postgres:12.1-alpine
    volumes:
      - postgres_data_author:/var/lib/postgres/data
    environment:
      - POSTGRES_USER=author_db_username
      - POSTGRES_PASSWORD=author_db_password
      - POSTGRES_DB=author_db_dev

  nginx:
    image: nginx:latest
    ports:
      - "8080:8080"
    volumes:
      - ./nginx_config.conf:/etc/nginx/conf.d/default.conf
    depends_on:
      - author_service
      - book_service

  redis:
    image: redis:3.2-alpine
    volumes:
      #      - redis_data:/data
      - ./redis.conf:/usr/local/etc/redis/redis.conf
    command: redis-server /usr/local/etc/redis/redis.conf
    ports:
      - 6379:6379

    networks:
      node_net:
        ipv4_address: 172.28.1.4

networks:
  node_net:
    ipam:
      driver: default
      config:
        - subnet: 172.28.0.0/16

volumes:
  postgres_data_book:
  postgres_data_author:
  redis_data: