日期	单位净值
2021-05-28	1.2964
2021-05-21	1.2858
2021-05-20	1.2848
2021-05-14	1.2870
2021-05-07	1.2862
2021-04-30	1.2873
2021-04-23	1.2915
2021-04-20	1.2966
2021-04-16	1.2947
2021-04-09	1.2988
2021-04-02	1.3020
2021-03-26	1.2914
2021-03-19	1.2892
2021-03-12	1.2933
2021-03-05	1.2896
2021-02-26	1.2809