Flask配置Cache报错

Traceback (most recent call last):
  File "/home/ahua/pycharm-professional-2022.1.2/pycharm-2022.1.2/plugins/python/helpers/pydev/_pydevd_bundle/pydevd_resolver.py", line 178, in _getPyDictionary
    attr = getattr(var, n)
  File "/dfs/dn1/Projects/et_services/venv/lib/python3.10/site-packages/flask_caching/__init__.py", line 186, in cache
    return app.extensions["cache"][self]
KeyError: <service_websocket.api_flask.cache.CacheClass object at 0x7f161cb984f0>

解决方案:

　　cache.init_app(app)