日期	单位净值
2021-08-20	1.0246
2021-08-13	1.0287
2021-08-06	1.0318
2021-07-30	1.0229
2021-07-23	1.0238
2021-07-16	0.9989
2021-07-09	1.0172
2021-07-02	1.0071
2021-06-25	1.0110
2021-06-18	0.9859
2021-06-11	1.0127
2021-06-04	0.9829
2021-05-28	0.9872
2021-05-21	0.9747
2021-05-14	0.9748
2021-05-07	0.9734