日期	单位净值
2017-09-08	1.0370
2017-09-01	1.0487
2017-08-31	1.0510
2017-08-25	1.0357
2017-08-18	1.0258
2017-08-11	0.9960
2017-08-04	0.9768
2017-07-31	0.9957
2017-07-28	0.9914
2017-07-21	0.9741
2017-07-14	1.0042
2017-07-07	1.0090
2017-06-30	0.9952
2017-06-23	0.9693
2017-06-16	0.9572
2017-06-09	0.9641