<p class="shortdesc">启用登录保护后，您在登录控制台时除了需要输入账号和密码外，还需要通过短信验证码进行二次校验。</p> <section class="section context" id="shortmessage__context_ph4_nhs_zkb"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <div class="p"> <div class="note important note_important"><span class="note__title">重要：</span> 只有主账号才能设置登录保护。</div> </div> </section> <section id="shortmessage__steps_xfb_llm_zkb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="shortmessage__steps_xfb_llm_zkb"><li class="li step stepexpand" id="shortmessage__step_ahn_vzh_hlb"> <span class="ph cmd">使用主账号登录<a class="xref" href="/console/home/dashboard" target="_blank">控制台</a>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击页面右上角的用户名后方的下拉菜单，选择<span class="ph uicontrol">账号信息</span>，进入<span class="ph uicontrol">账号中心</span>。</span> <div class="itemgroup info"><img class="image" id="shortmessage__d7e41" src="https://pcp-portal-sca.obs-cn-shenzhen.pinganyun.com/pcp-portal-sca/20203107175944-1af4cffe916c.png"></div> </li><li class="li step stepexpand" id="shortmessage__step_g1y_zzh_hlb"> <span class="ph cmd">在左侧导航栏中，单击<span class="ph menucascade"><span class="ph uicontrol">安全设置</span><abbr> > </abbr><span class="ph uicontrol">登录验证策略</span></span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">开启<span class="ph uicontrol">登录保护</span>按钮。</span> <div class="itemgroup info"> <img class="image" id="shortmessage__image_vb3_pq5_zkb" src="https://pcp-portal-sca.obs-cn-shenzhen.pinganyun.com/pcp-portal-sca/20203107175945-1aa1748c9fc2.png"> </div> </li><li class="li step stepexpand"> <span class="ph cmd">填写验证码，单击<span class="ph uicontrol">确定</span>。</span> </li></ol></section>