修复ztree显示空目录功能

zhangzengfei

2021-12-14 ff9b976bde73fe1d31e9b84cf1fa6b91e1b79dbc

 src/pages/cameraAccess/index/App.vue

@@ -4,7 +4,7 @@
      <div class="resize-bar"></div>
      <div class="resize-line"></div>
      <div class="resize-save">
        <left-nav :appName="app" :height="screenHeight"></left-nav>
        <left-nav :appName="app" :height="screenHeight" ref="leftTree"></left-nav>
      </div>
    </div>
    <div class="column-right">