日期	单位净值
2021-05-28	1.0442
2021-05-21	1.0429
2021-05-14	1.0416
2021-05-07	1.0390
2021-04-30	1.0378
2021-04-23	1.0369
2021-04-16	1.0355
2021-04-09	1.0334
2021-04-02	1.0320
2021-03-26	1.0305
2021-03-19	1.0293
2021-03-12	1.0291
2021-03-05	1.0282
2021-02-26	1.0272
2021-02-19	1.0266
2021-02-10	1.0253