日期	单位净值
2021-08-20	1.0419
2021-08-13	1.0727
2021-08-06	1.0493
2021-07-30	1.0242
2021-07-23	1.0436
2021-07-20	1.0306
2021-07-16	1.0280
2021-07-09	1.0090
2021-07-02	1.0101
2021-06-25	1.0340
2021-06-18	1.0118
2021-06-11	1.0287
2021-06-04	1.0350
2021-05-28	1.0326
2021-05-21	1.0161
2021-05-20	1.0170