日期	单位净值
2021-06-30	0.0000
2021-06-25	1.0456
2021-06-18	1.0447
2021-06-11	1.0441
2021-06-04	1.0432
2021-05-28	1.0421
2021-05-21	1.0407
2021-05-14	1.0395
2021-05-07	1.0368
2021-04-30	1.0357
2021-04-23	1.0347
2021-04-16	1.0334
2021-04-09	1.0313
2021-04-02	1.0299
2021-03-26	1.0284
2021-03-19	1.0272