日期	单位净值
2021-08-13	1.0505
2021-08-06	1.0517
2021-07-30	1.0390
2021-07-23	1.0454
2021-07-16	1.0418
2021-07-09	1.0395
2021-07-02	1.0336
2021-06-25	1.0369
2021-06-18	1.0332
2021-06-11	1.0372
2021-06-04	1.0381
2021-05-28	1.0368
2021-05-21	1.0237
2021-05-14	1.0235
2021-05-07	1.0192
2021-04-30	1.0230