4dkankan-components/docs/examples-bk/avatar/fallback.vue

<template>
    <div class="demo-type">
        <el-avatar :size="60" src="https://empty" @error="errorHandler">
            <img src="https://cube.elemecdn.com/e/fd/0fc7d20532fdaf769a25683617711png.png" />
        </el-avatar>
    </div>
</template>

<script lang="ts" setup>
const errorHandler = () => true
</script>