Group 1 - The core viewpoint of the article highlights that Zhangjiakou City has completed the home modification for 3,000 households of special difficulty elderly individuals this year, with all projects passing inspection [1] - Since the initiation of this work in 2022, a total of 39,300 households have undergone modifications [1] - The modifications are based on a precise identification process, involving data cross-checking with various departments and on-site verification to create a detailed information ledger for each household [1] Group 2 - The modification work focuses on enhancing the safety and convenience of elderly individuals' home lives, installing facilities such as non-slip mats, handrails, shower chairs, and assistive devices [1] - A subsidy incentive mechanism has been introduced, providing a 30% financial subsidy for families opting for six categories of upgraded modification products, ensuring basic needs are met while respecting individual choices [2] - The initiative aims to integrate hardware modifications with subsequent home care services, establishing a new model of community-based elderly care that combines environmental improvements with support services [2]