日期	单位净值
2021-05-21	1.0270
2021-05-14	1.0269
2021-05-07	1.0225
2021-04-30	1.0263
2021-04-23	1.0276
2021-04-16	1.0226
2021-04-09	1.0234
2021-04-02	1.0288
2021-03-26	1.0257
2021-03-19	1.0204
2021-03-12	1.0208
2021-03-05	1.0256
2021-02-26	1.0236
2021-02-19	1.0331
2021-02-10	1.0309
2021-02-05	1.0178