Add the 'hit callback' func

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[codecov[bot]]

Codecov Report

Merging #542 (8ca4b88) into dev (be57ba2) will increase coverage by 0.00%. Report is 2 commits behind head on dev. The diff coverage is 100.00%.

Additional details and impacted files

[](https://app.codecov.io/gh/zilliztech/GPTCache/pull/542?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zilliztech) ```diff @@ Coverage Diff @@ ## dev #542 +/- ## ======================================= Coverage 92.91% 92.92% ======================================= Files 97 97 Lines 4249 4253 +4 ======================================= + Hits 3948 3952 +4 Misses 301 301 ``` | [Files Changed](https://app.codecov.io/gh/zilliztech/GPTCache/pull/542?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zilliztech) | Coverage Δ | | |---|---|---| | [gptcache/adapter/adapter.py](https://app.codecov.io/gh/zilliztech/GPTCache/pull/542?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zilliztech#diff-Z3B0Y2FjaGUvYWRhcHRlci9hZGFwdGVyLnB5) | `83.04% <100.00%> (+0.30%)` | :arrow_up: | | [gptcache/utils/\_\_init\_\_.py](https://app.codecov.io/gh/zilliztech/GPTCache/pull/542?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zilliztech#diff-Z3B0Y2FjaGUvdXRpbHMvX19pbml0X18ucHk=) | `89.34% <100.00%> (ø)` | |