日期	单位净值
2021-06-18	1.0459
2021-06-11	1.0453
2021-06-04	1.0445
2021-05-28	1.0433
2021-05-21	1.0420
2021-05-14	1.0407
2021-05-07	1.0381
2021-04-30	1.0369
2021-04-23	1.0359
2021-04-16	1.0346
2021-04-09	1.0325
2021-04-02	1.0311
2021-03-26	1.0296
2021-03-19	1.0284
2021-03-12	1.0282
2021-03-05	1.0273