add case number

assets/scss/footer.scss

@@ -259,6 +259,10 @@
         letter-spacing: 1.08px;
         color: #242e42;
       }
+
+      .case {
+        margin-top: 20px;
+      }
     }
   }
 }

config/upstream-zh/config.toml

@@ -1,2 +1,5 @@
 baseURL = "https://kubesphere.com.cn"
-defaultContentLanguage = "zh"
+defaultContentLanguage = "zh"
+
+[params]
+showCaseNumber = true

data/zh/head.yaml

@@ -1,3 +1,3 @@
-title: "KubeSphere | The Kubernetes platform tailored for hybrid multicloud"
-description: "KubeSphere is a distributed operating system managing cloud native applications with Kubernetes as its kernel, and provides plug-and-play architecture for the seamless integration of third-party applications to boost its ecosystem."
-keywords: "KubeSphere, Kubernetes, container platform, DevOps, hybrid cloud, cloud native"
+title: "KubeSphere | 面向云原生应用的容器混合云"
+description: "KubeSphere 是在 Kubernetes 之上构建的以应用为中心的多租户容器平台，提供全栈的 IT 自动化运维的能力，简化企业的 DevOps 工作流。KubeSphere 提供了运维友好的向导式操作界面，帮助企业快速构建一个强大和功能丰富的容器云平台。"
+keywords: "KubeSphere, Kubernetes, 容器平台, DevOps, 混合云"

layouts/partials/footer.html

@@ -64,6 +64,25 @@
                     <a class='linkedin-a' href="{{ .Site.Params.linkedinLink }}" target="_blank" rel="noopener noreferrer"></a>
                 </div>
                 <p class='p1'>{{ i18n "introduction2" }}</p>
+                {{ if .Site.Params.showCaseNumber }}
+                <p class="case">
+                    <a
+                    href="http://www.beian.miit.gov.cn/"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                  >
+                    <span>京ICP备13019086号</span>
+                  </a>
+                  <a 
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=11010502041003"
+                  >
+                    <img src='/images/footer/case-icon.png' alt="备案图标"/>
+                    <span>京公网安备 11010502041003号</span>
+                  </a>
+                </p>
+                {{ end }}
             </div>
         </div>
     </div>