鼠标放上来就消失了，有什么解决方法吗
https://developers.weixin.qq.com/blogdetail?action=get_post_info&docid=ff6edd6ad21fd05f4b991a3d29237a58&highline=%E9%BC%A0%E6%A0%87&token=1255340432&lang=zh_CN 参考下这个贴
