Merge pull request #1 from sunpcm/patch-1

Update feedback section format in chapter 4

docs/chapter4/第四章 智能体经典范式构建.md

@@ -1023,8 +1023,9 @@ REFINE_PROMPT_TEMPLATE = """
 {task}
 
 # 你上一轮尝试的代码:
-```
+```python
 {last_code_attempt}
+```
 评审员的反馈：
 {feedback}