日期	单位净值
2021-08-20	1.0507
2021-08-13	1.0490
2021-08-06	1.0480
2021-07-30	1.0461
2021-07-23	1.0455
2021-07-16	1.0455
2021-07-09	1.0420
2021-07-02	1.0405
2021-06-25	1.0387
2021-06-18	1.0378
2021-06-11	1.0372
2021-06-04	1.0364
2021-05-28	1.0352
2021-05-21	1.0339
2021-05-14	1.0326
2021-05-07	1.0300