Added
新增本地 FSRS 算法参数优化，用户可以拟合最适合自己的记忆曲线。（#15）
Added local FSRS algorithm parameter optimization, allowing users to fit their own memory curve. (#15)
Fixed
修复了在页面缩放时，rate 按钮消失的问题。（#32）
Fixed the issue where the rate button disappeared during page zoom. (#32)
