修改

src/main/resources/static/js/indexHome/function.js

@@ -3,6 +3,9 @@ function clickItem(obj){
     if($(obj).attr("name") == "途丫旅游"){
         window.open("https://www.tuyatrip.com/", "_blank");
         return false;
+    } else if($(obj).attr("name") == "系统操作视频"){
+        window.open("https://lidaotech.oss-cn-beijing.aliyuncs.com/tuya/WeChat_20220929144944.mp4", "_blank");
+        return false;
     }
     if($(obj).hasClass("layui-nav-itemed")){
         $.each($(".layui-nav-item"), (index, item) => {
@@ -17,7 +20,7 @@ function clickItem(obj){
             clickEvent(obj);
             iframeClick(obj);
         }
-    }else{
+    } else {
         $(obj).find("a cite img").attr("src",  "/images/indeHome/" + $(obj).attr("titleVal") + ".png");
     }
 }

src/main/resources/templates/indexHome.html

@@ -148,6 +148,14 @@
                             </a>
                             <dl class="layui-nav-child">
 
+                            </dl>
+                        </li>
+                        <li class="layui-nav-item" name="系统操作视频" titleVal="xitongcaozship" onclick="clickItem(this)">
+                            <a lay-id="#" lay-url="#">
+                                <i class="ri-shield-keyhole-line"></i>&emsp;<cite name="系统操作视频"><img src="/images/indeHome/xitongcaozship.png"/><span>系统操作视频</span></cite>
+                            </a>
+                            <dl class="layui-nav-child">
+
                             </dl>
                         </li>
                     </ul>