日期	单位净值
2021-05-28	1.8371
2021-05-21	1.7715
2021-05-14	1.7176
2021-05-07	1.7124
2021-04-30	1.7393
2021-04-23	1.7650
2021-04-20	1.7434
2021-04-16	1.7099
2021-04-09	1.6972
2021-04-02	1.7531
2021-03-26	1.6946
2021-03-19	1.7131
2021-03-12	1.7437
2021-03-05	1.8095
2021-02-26	1.8407
2021-02-19	2.0653