HarmonyOS Slide使用问题

@Entry  
@Component  
struct Example {  
  build() {  
    Column() {  
      Row() {  
        Slider(  
          {  
            min: 0,  
            max: 100,  
            step: 1,  
            value: 40,  
            style: SliderStyle.InSet  
          })  
          .margin({ left: -10, right: -10 })  
          .selectedColor("#ed6f21")  
          .trackThickness(20)罗柱  
          .blockBorderWidth(0)  
          .blockBorderColor("#ed6f21")  
          .trackColor('#000000')  
          .blockColor('#ed6f21')  
          .blockSize({ width: 0.2, height: 0.2 })  
      }  
      .width('100%')  
      .backgroundColor(Color.Pink)  
      .height(50)  
    }  
  }  
}