日期	单位净值
2021-05-28	1.2639
2021-05-21	1.2546
2021-05-14	1.2533
2021-05-07	1.2417
2021-04-30	1.2419
2021-04-23	1.2417
2021-04-16	1.2452
2021-04-09	1.2473
2021-04-02	1.2491
2021-03-26	1.2433
2021-03-19	1.2432
2021-03-12	1.2434
2021-03-05	1.2429
2021-02-26	1.2425
2021-02-19	1.2434
2021-02-10	1.2423