日期	单位净值
2021-05-28	1.0579
2021-05-21	1.0560
2021-05-14	1.0544
2021-05-07	1.0524
2021-04-30	1.0511
2021-04-23	1.0502
2021-04-16	1.0484
2021-04-09	1.0468
2021-04-02	1.0456
2021-03-26	1.0444
2021-03-19	1.0428
2021-03-12	1.0385
2021-03-05	1.0371
2021-02-26	1.0356
2021-02-19	1.0339
2021-02-10	1.0323