# Description (Bug描述）

## Steps to reproduce (复现步骤)   
Clear steps to reproduce the bug.

## Expected behavior (预期行为)  
Describe what the expected behavior should be when the code is executed without the bug.

## Actual behavior (实际行为)
Describe what actually happens when the code is executed with the bug.   

## Related issues (相关issue)
Include any related issues or previous bug reports related to this bug.

# Reason (原因）
Explain what caused the bug to occur.   

# Solution (解决方案)
Describe solution to the bug clearly and consciously.