fix bug the file path get in local cache

[tiandi0716]

now we can not use the local cache file path， we need compute every times

[mergify[bot]]

感谢您提出Pull Request，我会尽快Review。我会在1-2日内进行查看或者回复，如果遇到节假日可能会处理较慢，敬请谅解。

[nobodyiam]

Shall we add some unit tests to prevent the logic from being mistakenly modified in the future?

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.