编译报错，虚拟机一直加载中

nvue中不支持如下css。如全局或公共样式受影响，建议将告警样式写在ifndef APP-PLUS-NVUE的条件编译中，详情如下：
09:29:52.112 ERROR: property value var(--status-bar-height) is not supported for height (only number and pixel values are supported) at pages/index/index.nvue:421
09:29:52.117 ​WARNING: float is not a standard property name (may not be supported) at pages/index/index.nvue:437​
09:29:52.121 ​WARNING: float is not a standard property name (may not be supported) at pages/index/index.nvue:488​
09:29:52.122 ​WARNING: align-content is not a standard property name (may not be supported) at pages/index/index.nvue:616​
09:29:52.127 ERROR: property value none is not valid for background-color at pages/index/index.nvue:633
09:29:52.154 ERROR: Selector ::-webkit-scrollbar is not supported. Weex only support classname selector at App.vue:18