日期	单位净值
2021-05-28	1.0318
2021-05-21	1.0305
2021-05-14	1.0292
2021-05-07	1.0266
2021-04-30	1.0255
2021-04-23	1.0245
2021-04-16	1.0232
2021-04-09	1.0212
2021-04-02	1.0197
2021-03-26	1.0183
2021-03-19	1.0170
2021-03-12	1.0169
2021-03-05	1.0160
2021-02-26	1.0150
2021-02-19	1.0144
2021-02-10	1.0131