fix: 添加备案号

index.html

@@ -41,6 +41,7 @@
             box-shadow: 0px 0px 50px 5px white;
             background: rgba(255, 255, 255, 0.6);
         }
+
         .relocating {
             opacity: 0;
             font-size: 13px;
@@ -71,6 +72,13 @@
                 </div>
             </div>
         </div>
+        <div class="row" style="height: 20%;">
+            <div class="col text-center">
+                <div class="btn-group" role="group" aria-label="Links">
+                    <p><a href="http://beian.miit.gov.cn" target="_blank">陕ICP备16007928号</a></p>
+                </div>
+            </div>
+        </div>
     </div>
     <div class="relocating">
         跳转到: <span class="relocate-location"></span>