接收时间：2019-12-27 07:48:31: |N100018|Ake4541@a2525128004154|3|8000000046|01|30|2019122707480853368510|ofAKKwDnIKaMpvpiVdG-mceKeSyk|20191227074816
返回时间：2019-12-27 07:48:31: {"ret":"1","ren":"31.08"}
接收时间：2019-12-27 16:51:55: |N100018|Ake4541@a2525128004154|3|8000000140|01|30|2019122716513262230126|ofAKKwM_R06HlChhzI3zfDjrbuMc|20191227165139
返回时间：2019-12-27 16:51:55: {"ret":"1","ren":"31.7"}