日期	单位净值
2021-05-21	4.4318
2021-05-20	4.4512
2021-05-14	4.2406
2021-05-07	4.2954
2021-04-30	4.5507
2021-04-23	4.6254
2021-04-20	4.4498
2021-04-16	4.3860
2021-04-09	4.5127
2021-04-02	4.7143
2021-03-26	4.4502
2021-03-19	4.7284
2021-03-12	4.8015
2021-03-05	4.9494
2021-02-26	4.9918
2021-02-19	5.8945