日期	单位净值
2021-04-20	1.2908
2021-04-16	1.2890
2021-04-09	1.2931
2021-04-02	1.2962
2021-03-26	1.2857
2021-03-19	1.2855
2021-03-12	1.2896
2021-03-05	1.2858
2021-02-26	1.2782
2021-02-19	1.2941
2021-02-10	1.2707
2021-02-05	1.2620
2021-01-29	1.2632
2021-01-22	1.2841
2021-01-20	1.2862
2021-01-15	1.2726