z_element_plus/docs/examples/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>