HarmonyOS 计步传感器相关问题咨询？

import sensor from "@ohos.sensor"; 
import BusinessError from "@ohos.base"; 
try { 
  sensor.on(sensor.SensorId.PEDOMETER, (data: sensor.PedometerResponse) => { 
    console.info('Succeeded in invoking on. Step count: ' + data.steps); 
  }, { interval: 100000000 }); 
  setTimeout(() => { 
    sensor.off(sensor.SensorId.PEDOMETER); 
  }, 500); 
} catch (error) { 
  let e: BusinessError.BusinessError = error as BusinessError.BusinessError; 
  console.error(`Failed to invoke on. Code: ${e.code}, message: ${e.message}`); 
}