�级 Istio 之前，建议执行 <code>istioctl x precheck</code> 命令，以确保升级与您的环境兼容。</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl x precheck
✔ No issues found when checking the cluster. Istio is safe to install or upgrade!
  To get started, check out https://istio.io/latest/docs/setup/getting-started/
</code></pre><div><aside class="callout idea"><div class=type><svg class="large-icon"><use xlink:href="/v1.15/img/icons.svg#callout-idea"/>