标准库的选择树显示优化，去除null的显示

deslrey

昨天 1f138c929cbec68a018f9ebcd16af35bcc9bb179

 src/components/index/scroll-paging.vue

@@ -34,7 +34,6 @@
      deep:true,
      handler(){
        this.isLoding = false
        console.log(this.isLoding)
      }
    }
  },