很小的功能，记录一下mounted() {window.addEventListener('scroll', this.handleScroll, true)},methods: {handleScroll: function() {console.log(window.scrollY)}}

el-dialog作为子组件使用时，点击dialog自带关闭按钮会报错：[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property ba