日期	万份收益	七日年化收益率(%)
2026-04-21	0.3435	0.4935
2026-04-20	0.0932	0.3406
2026-04-19	0.0932	0.3406
2026-04-18	0.0932	0.3406
2026-04-17	0.0932	0.3406
2026-04-16	0.0932	0.3406