优化banner加载速度

assets/js/commonVue.js

@@ -130,10 +130,10 @@ const App = {
       }
       setTimeout(function(){
         _this.contentBoolean=true
-      },500)
+      },1500)
       setTimeout(function(){
         _this.footerBoolean=true
-      },3000)
+      },2000)
     },