日期	单位净值
2021-07-30	1.0438
2021-07-23	1.0502
2021-07-16	1.0466
2021-07-09	1.0443
2021-07-02	1.0384
2021-06-25	1.0417
2021-06-18	1.0380
2021-06-11	1.0420
2021-06-04	1.0429
2021-05-28	1.0416
2021-05-21	1.0285
2021-05-14	1.0283
2021-05-07	1.0239
2021-04-30	1.0278
2021-04-23	1.0290
2021-04-16	1.0241