日期	单位净值
2021-05-14	1.0074
2021-05-07	1.0031
2021-04-30	1.0068
2021-04-23	1.0081
2021-04-16	1.0032
2021-04-09	1.0040
2021-04-02	1.0092
2021-03-26	1.0063
2021-03-19	1.0010
2021-03-12	1.0014
2021-03-05	1.0061
2021-02-26	1.0041
2021-02-19	1.0134
2021-02-10	1.0113
2021-02-05	0.9984
2021-01-29	0.9974