日期	单位净值
2021-08-20	4.7686
2021-08-13	4.8401
2021-08-06	4.9514
2021-07-30	4.9106
2021-07-23	5.0378
2021-07-20	4.8655
2021-07-16	4.9507
2021-07-09	4.9089
2021-07-02	4.6577
2021-06-25	4.6434
2021-06-18	4.5288
2021-06-11	4.5763
2021-06-04	4.5784
2021-05-28	4.5989
2021-05-21	4.5111
2021-05-20	4.5318