1、选中主菜单，默认选中所有子菜单
2、取消主菜单，默认取消所有子菜单

close https://github.com/elunez/eladmin/issues/449

* refactor:Optimized DeptServiceImpl's deduplication method

* fix:fixed single-login is invalid in application-dev.yml

* fixed prod.yml 's single-login

Co-authored-by: chenyh <chenyh.me@gamil.com>

Merge pull request !17 from suanyun/master

close https://github.com/elunez/eladmin/issues/473

close https://github.com/elunez/eladmin/issues/479

close https://github.com/elunez/eladmin/issues/468

close https://github.com/elunez/eladmin/issues/478

close https://github.com/elunez/eladmin/issues/474

close https://github.com/elunez/eladmin/issues/477

* fix:fixed the capthcha generate 0.0

* fix:fixed all float result from captcha.text() in /auth/code

在IDEA中配置环境变量，可以做到不改源码而使用其他的配置；
命令行启动可以通过如下的方式带上环境变量
java -jar -DDB_NAME=KLYU target/eladmin-system-2.5.0.jar

close https://github.com/elunez/eladmin/issues/428

close https://github.com/elunez/eladmin/issues/443

close https://github.com/elunez/eladmin/issues/440

close https://github.com/elunez/eladmin/issues/434

close https://github.com/elunez/eladmin/issues/429

close https://github.com/elunez/eladmin/issues/422

close https://github.com/elunez/eladmin/issues/419

close https://github.com/elunez/eladmin/issues/415

不是子任务时，uuid是空的，需要加个判断。