fix：解决控制台报错的问题

nezha-fronted/src/components/common/project/overViewTopology.vue

@@ -702,6 +702,7 @@
           setTimeout(()=>{
             this_.setData();
             setTimeout(()=>{
+              if(this_.network){
                 this_.zoom=this_.network.view.targetScale;
                 this_.network.moveTo({
                   // position: this_.viewsCenter,
@@ -711,6 +712,7 @@
                 this_.modelTopUpdate();
                 this_.selNodeArrUpdate();
                 this_.networkPopShow=false;
+              }
             },100)
           });
           return false

nezha-fronted/src/components/page/dashboard/panel.vue

@@ -732,8 +732,10 @@
       },
     },
     beforeDestroy(){
+      if(document.querySelector("#tableList")){
         document.querySelector("#tableList").removeEventListener("mouseenter", this.tableListEnter);
         document.querySelector("#tableList").removeEventListener("mouseleave", this.tableListLeave);
+      }
       this.scrollbarWrap.removeEventListener('scroll', bus.debounce);
     }
   }