日期	单位净值
2021-05-28	0.8843
2021-05-21	0.8829
2021-05-07	0.8799
2021-04-30	0.8786
2021-04-23	0.8774
2021-04-16	0.8758
2021-04-09	0.8869
2021-04-02	0.8858
2021-03-26	0.8843
2021-03-19	0.8829
2021-03-12	0.8826
2021-03-05	0.8813
2021-02-26	0.8806
2021-02-19	0.8791
2021-02-10	0.8775
2021-02-05	0.8766