日期	单位净值
2021-05-28	2.1926
2021-05-21	2.2664
2021-05-14	2.2266
2021-05-07	2.4137
2021-04-30	2.3837
2021-04-23	2.3165
2021-04-20	2.3662
2021-04-16	2.3352
2021-04-09	2.3819
2021-04-02	2.5602
2021-03-26	2.5748
2021-03-19	2.5295
2021-03-12	2.4801
2021-03-05	2.6314
2021-02-26	2.6767
2021-02-19	2.7651