日期	单位净值
2015-08-20	0.9948
2015-08-14	1.0038
2015-08-07	1.0006
2015-07-31	0.9940
2015-07-24	1.0018
2015-07-20	0.9982
2015-07-17	1.0010
2015-07-10	1.0002
2015-07-03	1.0000