Responsible for the design and control of long-term content such as the season system and social modules of the SLG product. Responsible for data indicators such as ROI and retention for the product's six-month and longer-term performance, actively thinking about how to make the product's long-term performance more sustainable and stable. Design solutions according to design objectives, follow up on development, acceptance and deliver tests, and be responsible for the final user experience. Conduct in-depth analysis of competitive products, reverse engineer similar systems, and ensure that the solutions have excellent gameplay and competitive advantages. After the function goes live, actively follow up on online issues and handle them in a timely manner, conduct data analysis, and make subsequent optimization iterations.