watch:{
      Applist:()=>{
        console.log("Applist改变");
        var _self = this;
        console.log(_self);
        var scroll_area = document.getElementById('scroll_area');
        setTimeout(()=>{
          console.log(_self);
          _self.scrollbar(scroll_area);
        },100)
      }
    },
    mounted: function(){
      let _self=this;
      console.log("log self");
      console.log(_self);
      let scroll_area = document.getElementById('scroll_area');
      _self.getAppList();
      setTimeout(()=>{
        _self.scrollbar(scroll_area);
      },100)
    }