日期	单位净值
2021-05-28	1.0421
2021-05-21	1.0402
2021-05-14	1.0386
2021-05-07	1.0366
2021-04-30	1.0354
2021-04-23	1.0345
2021-04-16	1.0327
2021-04-09	1.0311
2021-04-02	1.0300
2021-03-26	1.0287
2021-03-19	1.0272
2021-03-12	1.0230
2021-03-05	1.0216
2021-02-26	1.0201
2021-02-19	1.0185
2021-02-10	1.0169