name=ie value=utf-8>
<input type=hidden name=hl value=zh>
<input type=hidden id=search-page-url value=/zh/search>
<input id=search-textbox class="search-textbox form-control" name=q type=search aria-label="搜索 istio.io" placeholder=搜索>
<button id=search-close title=取消搜索 type=reset aria-label=取消搜索><svg class="icon menu-close"><use xlink:href="/v1.13/img/icons.svg#menu-close"/></svg></button></form></nav></header><div class=banner-container></div><main class="primary container has-sideb