日期	单位净值
2025-07-21	1.0002
2025-07-18	1.0001
2025-07-17	1.0000
2025-07-16	1.0000
2025-07-15	1.0000
2025-07-14	1.0000
2025-07-11	1.0000
2025-07-10	1.0000