日期	单位净值
2017-09-01	1.0365
2017-08-25	1.0132
2017-08-18	1.0024
2017-08-15	1.0000
2017-08-11	0.9771
2017-08-04	0.9863
2017-07-28	0.9959
2017-07-21	0.9685
2017-07-20	0.9651
2017-07-17	0.9404
2017-07-14	0.9779
2017-07-07	1.0007
2017-06-30	0.9955
2017-06-23	0.9911
2017-06-16	0.9886
2017-06-09	0.9856