- [PR #5] Fix should query database if exists table transaction (@OuYangJinTing)
- [PR #4] Fix high concurrency causes write dirty cache (@OuYangJinTing)
- [PR #3] Shouldn't open database transaction when use cache lock (@OuYangJinTing)
- [PR #2] Use configuration template as default values (@OuYangJinTing)