日期	单位净值
2017-06-30	1.0000
2017-06-23	1.0000
2017-06-16	1.0000
2017-06-09	1.0000
2017-05-31	1.0000
2017-05-26	1.0000
2017-05-19	0.9999
2017-05-12	0.9999
2017-05-05	0.9999
2017-04-28	0.9999
2017-04-21	0.9999
2017-04-14	0.9999
2017-04-07	0.9999
2017-03-31	0.9999
2017-03-24	0.9999