Merge pull request #583 from linlingyu/dev

[Change] 修入版本号为2.0.2.4，并且将fx注释写得不对的地方进行更正
Merge pull request #584 from linlingyu/dev

Dev
Merge pull request #586 from linlingyu/dev

[BugFix] 修复alpha正则未能匹配小数
[Change] 修改版本号为2.0.2.5