解决vant 框架 tab切换插件标题样式不能自定义问题 找到源码:node_modules/vant/es/tabs/Title.js 修改如下代码: return h(div, { attrs: { role: tab, aria-selected: this.isActive }, class: [bem({ active: this.isActive, disabled: this.disabled, complete: !this.ellipsis }), { 'van-ellipsi