警告信息如下：[Violation] Added non-passive event listener to a scroll-blocking ‘mousewheel’ event. Consider marking event handler as ‘passive’ to make the page more responsive.

解决办法：1、直接在项目终端下载安装npm install default-passive-events
2、在main.js中引入就可以了import "default-passive-events";
//添加事件管理者’passive’，来阻止’touchstart’事件，让页面更加流畅。 解决chrome下的warning问题

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[Violation] Added non-passive event listener to a scroll-blocking ‘mousewheel‘ e