Improve the following code
提示词内容
Improve the following code
```
${selectedText}
```
Please suggest improvements for:
1. Code readability and maintainability
2. Performance optimization
3. Best practices and patterns
4. Error handling and edge cases
Provide the improved code along with explanations for each enhancement.暂无效果展示
作者尚未提供生成效果案例；新的公开提示词需要至少添加一个案例。