Responsible for the design and control of long-term content such as the seasonal module and social module of SLG products. Responsible for the ROI, retention, and other data indicators of the product for half a year or longer, proactively 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, disassemble similar systems, and ensure that the solution has excellent gameplay and competitive advantages. After the function is launched, actively follow up on online issues and deal with them in a timely manner, conduct data analysis, and make subsequent optimization iterations.