原文:2.指纹采集窗使用较长时间后,表面会沾 污垢或表面潮湿,请用千燥软布轻轻擦拭 译文: When the fingerprint sensor to be dirty or wet. Here, it can be clean by dry and soft cloth Not use any hard and sharp object to scratch the surface of fingerprint sensor(include fingernail原文：2.指纹采集窗使用较长时间后，表面会沾 污垢或表面潮湿，请用干燥软布轻轻擦拭。 译文：When the fingerprint sensor to be dirty or wet. Here, it can be clean by dry and soft cloth. Not use any hard and sharp object to scratch the surface of fingerprint sensor (include fingernail)