日期	单位净值
2017-05-12	1.0279
2017-05-12	1.0279
2017-05-05	1.0144
2017-05-05	1.0144
2017-04-28	1.0022
2017-04-28	1.0022
2017-04-21	1.0036
2017-04-21	1.0036
2017-04-14	1.0024
2017-04-14	1.0024
2017-04-07	1.0012
2017-04-07	1.0012
2017-03-31	1.0000
2017-03-31	1.0000
2017-03-24	1.0488
2017-03-24	1.0488