## Description (需求描述) <!-- Describe the new feature or modification to an existing feature clearly and consciously. --> ## Motivation (需求背景) <!-- Explain the reason for adding or modifying this feature. --> ## Key changes (关键改动) <!-- Provide a technically detailed description of the key changes made. --> - Frontend (前端) - Backend (后端) ## Test plan (测试计划) ### Suggestions (测试建议) <!-- Provide any suggestions or recommendations for improvements in the testing plan. --> ### Underlying risk (潜在风险) <!-- Identify any potential risks or issues that may arise from the new feature or modification. --> ## Showcase (结果展示) <!-- Including any screenshots of the new feature or modification. -->