日期	单位净值
2021-04-30	1.0289
2021-04-23	1.0279
2021-04-16	1.0266
2021-04-09	1.0245
2021-04-02	1.0231
2021-03-26	1.0216
2021-03-19	1.0204
2021-03-12	1.0202
2021-03-05	1.0194
2021-02-26	1.0183
2021-02-19	1.0177
2021-02-10	1.0164
2021-02-05	1.0156
2021-01-29	1.0150
2021-01-22	1.0168
2021-01-15	1.0169