日期	单位净值
2021-08-13	1.0502
2021-08-06	1.0485
2021-07-30	1.0464
2021-07-23	1.0455
2021-07-16	1.0434
2021-07-09	1.0411
2021-07-02	1.0389
2021-06-25	1.0381
2021-06-18	1.0358
2021-06-11	1.0357
2021-06-04	1.0352
2021-05-28	1.0342
2021-05-21	1.0324
2021-05-14	1.0308
2021-05-07	1.0288
2021-04-30	1.0276