日期	单位净值
2017-08-04	0.6679
2017-07-28	0.6749
2017-07-21	0.6726
2017-07-20	0.6725
2017-07-14	0.6818
2017-07-07	0.6759
2017-06-30	0.6653
2017-06-23	0.6566
2017-06-20	0.6613
2017-06-16	0.6538
2017-06-09	0.6469
2017-05-31	0.6407
2017-05-26	0.6466
2017-05-19	0.6692
2017-05-12	0.6653
2017-05-05	0.6838