v0.5.8.1 (hotfix)

Hotfix:

1. Added a comparison of features between the restricted version and the full version in the README;
2. Corrected an error in the translation process that caused in-depth translation of long texts to not display;
3. Fixed a logic error on the configuration page that led to the failure to load certain data from the configuration file.
4. Fix an unexpected bug occurring when performing a search without selecting any model.
5. Fix the missing hint during translation.
6. Issue of empty fields caused by version truncation in search-based in-depth conversations.