message: fix: fix copying errors of  icon demo
diff: @@ -126,10 +126,10 @@ const copy = (icon: string, option: Record<string, unknown> = {}) => {
  <demo-block :title="t('color')">
  <van-row>
  - <van-col span="6" @click="copy(demoIcon, { color: '#1989fa' })">
  + <van-col span="6" @click="copy('cart-o', { color: '#1989fa' })">
  <van-icon name="cart-o" color="#1989fa" />
  </van-col>
  - <van-col span="6" @click="copy(demoIcon, { color: '#ee0a24' })">
  + <van-col span="6" @click="copy('fire-o', { color: '#ee0a24' })">
  <van-icon name="fire-o" color="#ee0a24" />
  </van-col>
  </van-row>
  