* 修复了<Button>{0}</Button> 显示异常的bug
* Fix the bug<Button>{0}</Button> display abnormal
* Fix the bug<Button>{0}</Button> display abnormal
* Unit test writing error
* Unit tests were added to test the rendering of {0}, 0, {false} respectively
* Fix Tooltip won't hide at disabled button
closereact-component/tooltip#18
* change button text in test case
* Add comments for display attribute
* correct test case