日期	单位净值
2021-05-14	1.0052
2021-05-07	1.0055
2021-04-30	1.0068
2021-04-23	1.0091
2021-04-16	1.0104
2021-04-09	1.0108
2021-04-02	1.0131
2021-03-26	1.0075
2021-03-19	1.0068
2021-03-12	1.0091
2021-03-05	1.0055
2021-02-26	1.0018
2021-02-19	1.0081
2021-02-10	0.9996
2021-02-05	0.9969
2021-01-29	0.9942