日期	单位净值
2021-05-14	2.8988
2021-05-07	2.8993
2021-04-30	2.8997
2021-04-23	2.9002
2021-04-20	2.9004
2021-04-16	2.9006
2021-04-09	2.9011
2021-04-02	2.9040
2021-03-26	2.9073
2021-03-19	2.6846
2021-03-12	2.6400
2021-03-05	2.6667
2021-02-26	2.6570
2021-02-19	2.9949
2021-02-10	3.1130
2021-02-05	2.8837