日期	单位净值
2021-05-21	1.0244
2021-05-14	1.0242
2021-05-07	1.0199
2021-04-30	1.0237
2021-04-23	1.0249
2021-04-16	1.0200
2021-04-09	1.0208
2021-04-02	1.0261
2021-03-26	1.0231
2021-03-19	1.0177
2021-03-12	1.0181
2021-03-05	1.0229
2021-02-26	1.0209
2021-02-19	1.0303
2021-02-10	1.0282
2021-02-05	1.0152