日期	单位净值
2021-04-23	1.0419
2021-04-16	1.0402
2021-04-09	1.0385
2021-04-02	1.0374
2021-03-26	1.0361
2021-03-19	1.0346
2021-03-12	1.0303
2021-03-05	1.0290
2021-02-26	1.0274
2021-02-19	1.0258
2021-02-10	1.0242
2021-02-05	1.0234
2021-01-29	1.0231
2021-01-22	1.0251
2021-01-15	1.0247
2021-01-08	1.0231