日期	单位净值
2021-05-14	1.0053
2021-05-07	1.0057
2021-04-30	1.0070
2021-04-23	1.0093
2021-04-16	1.0106
2021-04-09	1.0109
2021-04-02	1.0132
2021-03-26	1.0076
2021-03-19	1.0069
2021-03-12	1.0092
2021-03-05	1.0056
2021-02-26	1.0020
2021-02-19	1.0082
2021-02-10	0.9998
2021-02-05	0.9971
2021-01-29	0.9945