diff --git a/examples/smart_minion/gsm8k/evalute_gsm8k_re2.py b/examples/smart_minion/gsm8k/evalute_gsm8k_re2.py
index c9e808e1..8f3db3f2 100644
--- a/examples/smart_minion/gsm8k/evalute_gsm8k_re2.py
+++ b/examples/smart_minion/gsm8k/evalute_gsm8k_re2.py
@@ -119,7 +119,7 @@ async def save_run_info(filename, last_processed_id):
                 last_processed_id = last_processed_item["item_id"]
                 tasks = []  # Reset tasks after processing
                 pbar.set_postfix({"Correct": correct, "count": count})
-                pbar.update(6)
+                pbar.update(concurrency_count)
 
                 # Save running information after each batch
                 await save_run_info(filename=run_filename, last_processed_id=last_processed_id)
diff --git a/examples/smart_minion/human_eval/evalute_human_eval.py b/examples/smart_minion/human_eval/evalute_human_eval.py
index af083c0e..cc372f29 100644
--- a/examples/smart_minion/human_eval/evalute_human_eval.py
+++ b/examples/smart_minion/human_eval/evalute_human_eval.py
@@ -271,8 +271,10 @@ async def solve_question(question, route=None):
     # print(obs)
     return obs
 
+#model = "gpt-4o-mini"
+model = "default"
 
-llm = create_llm_provider(config.models.get("default"))
+llm = create_llm_provider(config.models.get(model))
 cost_manager = CostManager()
 llm.cost_manager = cost_manager
 async def main():
@@ -282,7 +284,7 @@ async def main():
     # data = await load_data_sample(file_name, samples=1055)
 
     correct, count, matched_ids, mismatched_ids = await evaluate_dataset(
-        data, run_filename="run_human_eval_deepseek.json", continue_process=True, concurrency_count=1
+        data, run_filename=f"run_human_eval_{model}_check.json", continue_process=True, concurrency_count=60
     )
 
     print(f"Accuracy: {correct/count:.2%}")
diff --git a/examples/smart_minion/human_eval/human_eval_config.json b/examples/smart_minion/human_eval/human_eval_config.json
index 1b230444..d149b9f3 100644
--- a/examples/smart_minion/human_eval/human_eval_config.json
+++ b/examples/smart_minion/human_eval/human_eval_config.json
@@ -5,7 +5,7 @@
     {
       "name": "cot",
       "count": 1,
-      "check": false,
+      "check": true,
       "post_processing": "extract_python"
     }
   ],
diff --git a/minion/actions/action_node.py b/minion/actions/action_node.py
index 8fa0b383..45ee2f5d 100644
--- a/minion/actions/action_node.py
+++ b/minion/actions/action_node.py
@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from typing import Any, Optional, List, Dict
+from typing import Any, Optional, List, Dict, Union
 import json
 
 from tenacity import retry, stop_after_attempt, retry_if_exception_type
@@ -39,35 +39,22 @@ async def execute(self, messages: List[Message], **kwargs) -> Any:
 
         return response
 
-    def normalize_response(self, response: Dict[Any, Any] | str, is_answer_format = False) -> Dict[str, str]:
-
-        # 初始化response_is_str标志
-        response_is_str = isinstance(response, str)
-        
-        # 如果响应是字符串，尝试解析为JSON
-        if response_is_str:
+    def normalize_response(self, response: Union[str, dict], is_answer_format: bool = False) -> Union[str, dict]:
+        """规范化响应格式"""
+        response_is_str = False
+        if isinstance(response, str):
+            response_is_str = True
+            # 使用更新后的 extract_json 函数处理响应
             response_str = extract_json(response)
             try:
-                response = json.loads(response_str)
+              response = json.loads(response_str)
             except json.JSONDecodeError:
-                # 如果解析失败，将字符串作为原样返回
-                return response
-
-        # 如果响应已经是简单格式
-        if is_answer_format:
-            if "answer" in response:
-                if response_is_str:
-                    return response_str
-                return response
-
-            # 如果响应是schema格式
-            if "properties" in response and "answer" in response["properties"]:
-                answer_value = response["properties"]["answer"].get("default", "")
-                if response_is_str:
-                    return json.dumps({"answer": answer_value})
-                return {"answer": answer_value}
-
-        # 如果是其他格式,返回空答案
+              return response_str
+
+        # 处理 schema 格式
+        if is_answer_format and isinstance(response, dict) and "properties" in response:
+            if "answer" in response["properties"]:
+                return {"answer": response["properties"]["answer"].get("default", "")}
         if response_is_str:
             return json.dumps(response)
         return response
diff --git a/minion/utils/utils.py b/minion/utils/utils.py
index c35013ec..32794fe9 100644
--- a/minion/utils/utils.py
+++ b/minion/utils/utils.py
@@ -5,7 +5,7 @@
 import re
 from difflib import SequenceMatcher
 from pathlib import Path
-from typing import Optional
+from typing import Optional, Union
 
 import aiofiles
 from nltk.corpus import wordnet
@@ -49,16 +49,49 @@ def recursive_replace(obj):
     return recursive_replace(config)
 
 
-def extract_json(text):
-    # Regular expression pattern to match all content between ```json and ```
-    pattern = r"```json\s*([\s\S]*?)\s*```"
-
-    # Find all matches in the input text
-    matches = re.findall(pattern, text)
-
-    if matches:
-        return matches[0]
-    else:
+def extract_json(text: str) -> Union[str, dict]:
+    """
+    从文本中提取 JSON 内容，支持处理嵌套的代码块
+    
+    Args:
+        text: 输入文本，可能包含 JSON 字符串或被 ``` 包裹的 JSON
+        
+    Returns:
+        解析后的 JSON 对象或原始字符串
+    """
+    text = text.strip()
+    
+    # 处理被多层 ``` 包裹的情况
+    while text.startswith('```'):
+        # 移除开头的 ```
+        text = text[3:]
+        # 检查是否有语言标识符（如 json）
+        first_line_end = text.find('\n')
+        first_line = text[:first_line_end].strip() if first_line_end != -1 else text
+        if first_line.lower() == 'json' or first_line.startswith('{'):
+            text = text[first_line_end + 1:] if first_line_end != -1 else text
+        else:
+            text = text.strip()
+        
+        # 移除结尾的 ```
+        if text.endswith('```'):
+            text = text[:-3].strip()
+    
+    try:
+        # 尝试解析 JSON
+        return json.dumps(json.loads(text))
+    except json.JSONDecodeError:
+        # 如果解析失败，尝试在文本中查找 JSON 对象
+        start_brace = text.find('{')
+        end_brace = text.rfind('}')
+        
+        if start_brace != -1 and end_brace != -1:
+            try:
+                json_str = text[start_brace:end_brace + 1]
+                return json.dumps(json.loads(json_str))
+            except json.JSONDecodeError:
+                pass
+                
         return text
 
 def extract_last_number(text: str):
diff --git a/tests/actions/test_action_node.py b/tests/actions/test_action_node.py
index 488e85ba..c508453b 100644
--- a/tests/actions/test_action_node.py
+++ b/tests/actions/test_action_node.py
@@ -54,6 +54,30 @@ def test_normalize_response_json_string(llm_action_node):
     assert parsed_result["correct"] is True
     assert parsed_result["score"] == 1
 
+
+def test_normalize_response_json_string2(llm_action_node):
+    # 测试JSON字符串输入
+    json_input = r'''
+    ```json
+{
+    "feedback": "The provided function implementation generally follows the instructions and addresses the problem context effectively. However, there are a few areas that could be improved for clarity and correctness:\n\n1. **Variable Naming**: The variable `total_needed` is not used in the logic. It might be clearer to directly use `number + need` in the comparison.\n2. **Edge Cases**: The function does not explicitly handle the edge cases where `need` is 0 or `remaining` is 0. While the logic implicitly covers these cases, it would be better to explicitly mention them in the comments or handle them separately.\n3. **Clarity in Logic**: The logic could be slightly simplified by directly comparing `remaining` with `need` without calculating `total_needed` separately.\n\nSuggested Improvement:\n```python\ndef eat(number, need, remaining):\n    # Calculate the total number of carrots eaten\n    if remaining >= need:\n        total_eaten = number + need\n        carrots_left = remaining - need\n    else:\n        total_eaten = number + remaining\n        carrots_left = 0\n    \n    # Return the result\n    return [total_eaten, carrots_left]\n```\n\nThis version simplifies the logic and makes it clearer by directly comparing `remaining` with `need`.",
+    "correct": true,
+    "score": 0.9
+}
+```
+    '''
+
+    result = llm_action_node.normalize_response(json_input)
+    # 验证返回的是提取并格式化后的JSON字符串
+    assert isinstance(result, str)
+    # 确保可以被解析回JSON对象
+    parsed_result = json.loads(result)
+    assert "feedback" in parsed_result
+    assert "correct" in parsed_result
+    assert "score" in parsed_result
+    assert parsed_result["correct"] is True
+    assert parsed_result["score"] == 0.9
+
 def test_normalize_response_dict_with_answer(llm_action_node):
     # 测试包含answer字段的字典
     input_dict = {"answer": "test answer"}
@@ -83,4 +107,46 @@ def test_normalize_response_plain_string(llm_action_node):
     # 测试普通字符串输入
     plain_string = "This is a test string"
     result = llm_action_node.normalize_response(plain_string)
-    assert result == plain_string 
\ No newline at end of file
+    assert result == plain_string
+
+def test_normalize_response_complex_json(llm_action_node):
+    # 测试包含详细反馈、正确性和分数的复杂 JSON 响应
+    complex_json = {
+        "feedback": "The provided function implementation is generally correct...",
+        "correct": True,
+        "score": 0.9
+    }
+    
+    result = llm_action_node.normalize_response(complex_json)
+    assert isinstance(result, dict)
+    assert "feedback" in result
+    assert "correct" in result
+    assert "score" in result
+    assert isinstance(result["feedback"], str)
+    assert isinstance(result["correct"], bool)
+    assert isinstance(result["score"], (int, float))
+    assert result["correct"] is True
+    assert result["score"] == 0.9
+
+def test_normalize_response_nested_json_string(llm_action_node):
+    # 测试嵌套引号的 JSON 字符串输入
+    nested_json = r'''```json
+{
+    "feedback": "The provided function implementation generally follows the instructions and addresses the problem context effectively. However, there are a few areas that could be improved for clarity and correctness:\n\n1. **Variable Naming**: The variable `total_needed` is not used in the logic. It might be clearer to directly use `number + need` in the comparison.\n2. **Edge Cases**: The function does not explicitly handle the edge cases where `need` is 0 or `remaining` is 0. While the logic implicitly covers these cases, it would be better to explicitly mention them in the comments or handle them separately.\n3. **Clarity in Logic**: The logic could be slightly simplified by directly comparing `remaining` with `need` without calculating `total_needed` separately.\n\nSuggested Improvement:\n```python\ndef eat(number, need, remaining):\n    # Calculate the total number of carrots eaten\n    if remaining >= need:\n        total_eaten = number + need\n        carrots_left = remaining - need\n    else:\n        total_eaten = number + remaining\n        carrots_left = 0\n    \n    # Return the result\n    return [total_eaten, carrots_left]\n```\n\nThis version simplifies the logic and makes it clearer by directly comparing `remaining` with `need`.",
+    "correct": true,
+    "score": 0.9
+}
+```'''
+    
+    result = llm_action_node.normalize_response(nested_json)
+    # 验证返回的是提取并格式化后的JSON字符串
+    print(result)
+    result = json.loads(result)
+    assert isinstance(result, dict)
+    assert "feedback" in result
+    assert "correct" in result
+    assert "score" in result
+    # 确保内部的代码块被正确保留
+    assert "```python" in result["feedback"]
+    assert result["correct"] is True
+    assert result["score"] == 0.9
\ No newline at end of file