修复ztree显示空目录功能

zhangzengfei

2021-12-14 ff9b976bde73fe1d31e9b84cf1fa6b91e1b79dbc

 src/pages/visual/components/subComponents/CardItem.vue

@@ -754,6 +754,7 @@
    float: left;
    overflow: hidden;
    //background-color: #fff;
    background-color: transparent;
    text-align: left;
    padding-left: 10px;
    box-sizing: border-box;