日期	单位净值
2021-05-28	1.0190
2021-05-21	1.0062
2021-05-14	1.0060
2021-05-07	1.0017
2021-04-30	1.0055
2021-04-23	1.0067
2021-04-16	1.0018
2021-04-09	1.0026
2021-04-02	1.0078
2021-03-26	1.0049
2021-03-19	0.9994
2021-03-12	0.9998
2021-03-05	1.0045
2021-02-26	1.0025
2021-02-19	1.0118
2021-02-10	1.0097