HarmonyOS 设置变焦值，重新获取最新的变焦值，不一致

bool MTCamera::setZoom(const float zoomValue) { 
  Camera_ErrorCode ret = OH_CaptureSession_SetZoomRatio(mCameraCaptureSession, zoomValue); 
  if (ret == CAMERA_OK) { 
    float curZoom = getCurZoom(); 
    OH_LOG_INFO(LOG_APP, "OH_CaptureSession_SetZoomRatio success. curValue = %{public}f ,setZoomValue =%{public}f ",curZoom,zoomValue); 
    return true; 
  } else { 
    OH_LOG_ERROR(LOG_APP, "OH_CaptureSession_SetZoomRatio failed. %{public}d ", ret); 
    return false; 
  } 
} 
float MTCamera::getCurZoom() { 
  float zoomValue; 
  Camera_ErrorCode ret = OH_CaptureSession_GetZoomRatio(mCameraCaptureSession, &zoomValue); 
  if (ret == CAMERA_OK) { 
    MT_LOG_INFO("OH_CaptureSession_GetZoomRatio success "); 
  } else { 
    MT_LOG_ERROR("OH_CaptureSession_GetZoomRatio failed. %d ", ret); 
  } 
  return zoomValue; 
}
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