[]Button连续点击触发MOUSE_OUT事件问题

项目中给“Button”分别添加了MOUSE_OVER, MOUSE_OUT,CLICK事件，业务需求是鼠标移到按钮上显示悬浮框，移出按钮关闭悬浮框，但现遇到一个问题，鼠标正常从按钮上移入，移出都没问题，只要在按钮上连续点击就会触发MOUSE_OUT事件，这是什么情况？

日志如下：=========================================
button width: 155, height: 155
mouse position, x: 374, y: 835
event type: click
button width: 155, height: 155
mouse position, x: 374, y: 835
event type: mouseout
button width: 155, height: 155
mouse position, x: 374, y: 835
event type: click
button width: 155, height: 155
mouse position, x: 374, y: 835
event type: mouseout