日期	单位净值
2021-05-20	1.0170
2021-05-14	1.0084
2021-05-07	1.0173
2021-04-30	1.0184
2021-04-23	1.0275
2021-04-20	1.0256
2021-04-16	1.0100
2021-04-12	1.0039
2021-04-09	1.0154
2021-04-02	1.0121