vux 中的panel 組件該如何使用？我只要寫了panel 標簽就會報錯 <a v-for="item in list" v-if="type === '1'">: Using v-if and v-for on the same element is not recommended - consider filtering the source Array instead.<panel header="這樣寫不行嗎？" :list="list" ></panel>應該怎么該？希望大神指點一二，萬分感謝