日期	单位净值
2021-06-30	1.0419
2021-06-25	1.0409
2021-06-18	1.0391
2021-06-11	1.0406
2021-06-04	1.0334
2021-05-31	1.0290
2021-05-28	1.0278
2021-05-21	1.0274
2021-05-20	1.0345
2021-05-14	1.0349
2021-05-07	1.0357
2021-04-30	1.0266
2021-04-23	1.0276
2021-04-20	1.0239
2021-04-16	1.0263
2021-04-09	1.0198