日期	单位净值
2021-05-28	1.2968
2021-05-21	1.2862
2021-05-20	1.2853
2021-05-14	1.2874
2021-05-07	1.2866
2021-04-30	1.2888
2021-04-23	1.2929
2021-04-20	1.2979
2021-04-16	1.2950
2021-04-09	1.2992
2021-04-02	1.3023
2021-03-26	1.2917
2021-03-19	1.2901
2021-03-12	1.2942
2021-03-05	1.2905
2021-02-26	1.2828