日期	单位净值
2017-12-20	1.0509
2017-12-15	1.0343
2017-12-08	1.0081
2017-12-01	1.0248
2017-11-24	0.9870
2017-11-20	0.9695
2017-11-17	0.9519
2017-11-10	1.0008
2017-11-03	0.8592
2017-10-27	0.8786
2017-10-20	0.8828
2017-10-13	0.9407
2017-09-29	0.9741
2017-09-22	0.9693
2017-09-20	0.9382
2017-09-15	0.9145