diff --git a/exampleSiteMultilingual/hugo.toml b/exampleSiteMultilingual/hugo.toml
index 26ef82d..29db0d1 100644
--- a/exampleSiteMultilingual/hugo.toml
+++ b/exampleSiteMultilingual/hugo.toml
@@ -18,6 +18,7 @@ dateFormat = "2006-01-02"
 paginationSinglePost = true
 
 # icp = "京ICP备xxxxx号-1" # for China ICP license
+# police = "京公网安备 xxxxxxxx号" # for China police beian
 
 colorTheme = "auto"
 colorThemeSwitcher = true
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index d0e4555..ea511b7 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -20,9 +20,20 @@
             <a aria-label="Check statistics data" style="display: flex; align-items: center; border-bottom: none; cursor: pointer; color: var(--pagination-link-color)" href="{{ .Site.Params.UmamiAnalytics.shareUrl }}"><svg xmlns="http://www.w3.org/2000/svg"  width="16"  height="16"  viewBox="0 0 24 24"  fill="none"  stroke="currentColor"  stroke-width="2"  stroke-linecap="round"  stroke-linejoin="round"  class="icon icon-tabler icons-tabler-outline icon-tabler-report-analytics"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M9 5h-2a2 2 0 0 0 -2 2v12a2 2 0 0 0 2 2h10a2 2 0 0 0 2 -2v-12a2 2 0 0 0 -2 -2h-2" /><path d="M9 3m0 2a2 2 0 0 1 2 -2h2a2 2 0 0 1 2 2v0a2 2 0 0 1 -2 2h-2a2 2 0 0 1 -2 -2z" /><path d="M9 17v-5" /><path d="M12 17v-1" /><path d="M15 17v-3" /></svg></a>
             {{ end }}
         </div>
-        <div>
+        <div style="display:flex;align-items: center">
+            {{ $police := .Site.Params.police }}
+            {{ $info := "info" }}
+            {{ $pattern := "[0-9]+" }}
+            {{ $matches := findRE $pattern $police }}
+            {{ if $matches }}
+            {{ $firstNumber := index $matches 0 }}
+            {{ $info = print  $firstNumber }}
+            <img src="https://beian.mps.gov.cn/img/logo01.dd7ff50e.png" alt="备案图标" style="width: 1em;height: 1em;object-fit: contain;">
+            <a target="_blank" href="https://www.beian.gov.cn/portal/registerSystemInfo?recordcode={{$info}}">{{ .Site.Params.police }}</a>
+            &nbsp;
+            {{ end }}
             {{ if .Site.Params.icp }}
-                <a target="_blank" href="http://beian.miit.gov.cn/">{{ .Site.Params.icp }}</a>
+            <a target="_blank" href="https://beian.miit.gov.cn/">{{ .Site.Params.icp }}</a>
             {{ end }}
         </div>
         <div>