diff --git a/.agent/workflows/plugin-development.md b/.agent/workflows/plugin-development.md
index 1855905..ffa53fd 100644
--- a/.agent/workflows/plugin-development.md
+++ b/.agent/workflows/plugin-development.md
@@ -35,8 +35,8 @@ Every plugin **MUST** have bilingual versions for both code and documentation:
 When adding or updating a plugin, you **MUST** update the following documentation files to maintain consistency:
 
 ### Plugin Directory
-- `README.md`: Update version, description, and usage.
-- `README_CN.md`: Update version, description, and usage.
+- `README.md`: Update version, description, and usage. **Explicitly describe new features.**
+- `README_CN.md`: Update version, description, and usage. **Explicitly describe new features.**
 
 ### Global Documentation (`docs/`)
 - **Index Pages**:
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index f23d151..76196de 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -37,7 +37,9 @@ README 文件应包含以下内容：
 - 安装和设置说明 / Installation and setup instructions
 - 使用示例 / Usage examples
 - 故障排除指南 / Troubleshooting guide
+- 故障排除指南 / Troubleshooting guide
 - 版本和作者信息 / Version and author information
+- **新增功能 / New Features**: 如果是更新现有插件，必须明确列出并描述新增功能（发布到官方市场的重要要求）。/ If updating an existing plugin, explicitly list and describe new features (Critical for official market release).
 
 ### 官方文档 (Official Documentation)