日期	单位净值
2021-04-30	1.6723
2021-04-23	1.6771
2021-04-16	1.6736
2021-04-09	1.6823
2021-04-02	1.6803
2021-03-26	1.6859
2021-03-19	1.6882
2021-03-12	1.6868
2021-03-05	1.6937
2021-02-26	1.7013
2021-02-19	1.7869
2021-02-10	1.8212
2021-02-05	1.8200
2021-01-29	1.8190
2021-01-22	1.9279
2021-01-20	1.8641