HarmonyOS Text多行文本不能居中对齐

@Entry  
@Component  
struct TextDemo {  
  build() {  
    Column() {  
      Text('已关注，\n成为珍爱粉哈哈')  
        .fontSize(9)  
        .maxLines(2)  
        .textAlign(TextAlign.Center)  
        .fontWeight(FontWeight.Medium)  
        .fontColor(Color.Black)  
        .align(Alignment.Center)  
        .backgroundColor(Color.Green)  
    }  
    .backgroundColor(Color.Red)  
    .width(90)  
    .height(24)  
  }  
}