日期	单位净值
2021-05-14	1.0057
2021-05-07	1.0060
2021-04-30	1.0073
2021-04-23	1.0096
2021-04-16	1.0109
2021-04-09	1.0112
2021-04-02	1.0135
2021-03-26	1.0079
2021-03-19	1.0072
2021-03-12	1.0095
2021-03-05	1.0057
2021-02-26	1.0021
2021-02-19	1.0083
2021-02-10	0.9999
2021-02-05	0.9971
2021-01-29	0.9945