The Effects of "Social Optimization Chat for Interactive Learning for Heart Failure" (SOCIAL_HF) on Improving Social Frailty: A Randomized Controlled Trial

The goal of this clinical trial is to learn whether the WeChat-based program "Social Optimization Chat for Interactive Learning for Heart Failure" (SOCIAL\_HF) can improve social frailty in elderly patients with heart failure. The main questions it aims to answer are: Can a 6-week WeChat online group interactive learning program (SOCIAL\_HF) improve social frailty? Does the intervention enhance self-care abilities, social participation, and perceived social support? Researchers will compare SOCIAL\_HF to usual care (self-study heart failure self-care manual) to assess whether SOCIAL\_HF can improve social functioning. Participants will: Engage in weekly WeChat video meetings for six weeks (Participate in peer sharing and collaborative tasks). Complete daily health task check-ins. Access online self-care resources.