日期	单位净值
2021-05-21	1.2675
2021-05-20	1.2666
2021-05-14	1.2677
2021-05-07	1.2669
2021-04-30	1.2690
2021-04-23	1.2734
2021-04-20	1.2782
2021-04-16	1.2754
2021-04-09	1.2794
2021-04-02	1.2825
2021-03-26	1.2721
2021-03-19	1.2721
2021-03-12	1.2761
2021-03-05	1.2724
2021-02-26	1.2640
2021-02-19	1.2795