国债期货收盘，30年期主力合约涨0.17%

Group 1 - The core point of the news is the performance of government bond futures on December 30, with mixed results across different maturities [1] Group 2 - The 30-year main contract increased by 0.17% [1] - The 10-year main contract decreased by 0.02% [1] - The 5-year main contract saw a slight decline of 0.01% [1] - The 2-year main contract experienced a marginal increase of 0.01% [1]