App端的cover-image怎么控制显示和隐藏啊？请问各位，用v-if不行哇

cover-image怎么控制显示和隐藏啊？请问各位，用v-if不行哇。delvide方法控制videoshow这个变量哇，没有效果..

<cover-image @click="delvide(index)" src="../../static/images/sc.png" class="del" v-if="videoshow"></cover-image>