diff --git a/examples/werewolf_game/evals/utils.py b/examples/werewolf_game/evals/utils.py
index 2e83b38f6..ac2eecdf6 100644
--- a/examples/werewolf_game/evals/utils.py
+++ b/examples/werewolf_game/evals/utils.py
@@ -1,120 +1,68 @@
 '''
 Filename: MetaGPT/examples/werewolf_game/evals/utils.py
-Created Date: Oct 2, 2023
+Created Date: Oct 10, 2023
 Author: [Aria](https://github.com/ariafyy)
 '''
 from metagpt.const import WORKSPACE_ROOT, PROJECT_ROOT
-import re, json
+import re
 
 
 class Utils:
+    """Utils: utils of logs"""
+    
     def __init__(self):
         pass
 
-    def _action(self, text: str) -> str:
-        """
-        # get action
-        input: I vote to eliminate Player3
-        output: vote
-        """
-        text = text.lower()
-        if "vote" in text:
-            action = "vote"
-            return action
-        if "verify" in text:
-            action = "verify"
-            return action
-        if "kill" in text:
-            action = "kill"
-            return action
-        else:
-            action = "chat"
-            return action
+    def polish_log(self, in_logfile, out_txtfile):
+        """polish logs for evaluation"""
+        pattern_text = r"(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{3}) \| (\w+) +\| ([\w\.]+:\w+:\d+) - (.*\S)"
+        pattern_player = r"(Player(\d{1}): \w+)"
+        pattern_start = False
+        json_start = False
 
-    def _life(self, text: str) -> str:
-        """
-        # get life
-        input: Kill Player6
-        output: dead
-        """
-        text = text.lower()
-        if re.search(r'\b(eliminated|killed|kill)\b', text, re.I):
-            life = 'dead'
-            dead_role = re.findall(r'\[(.*?)\]', text)
-            if re.search(r'no one was killed', text, re.I):
-                return "alive", []
-            else:
-                return life, dead_role
-        else:
-            life = "alive"
-            return life, []
+        with open(in_logfile, "r") as f, open(out_txtfile, "w") as out:
+            for line in f.readlines():
+                matches = re.match(pattern_text, line)
+                if matches:
+                    message = matches.group(4).strip()
+                    pattern_start = True
+                    json_start = False
 
-    def txt2data(self, file):
-        """
-        input: .txt file
-        output: data for json format
-        """
-        result = {}
-        count = 0
-        day = -1
-        flag = False
-
-        with open(file, "r") as f:
-            lines = f.readlines()
-            for line in lines:
-                if "Moderator(Moderator): 0" in line:
-                    flag = True
-                if flag:
-                    if "It’s dark, everyone close your eyes." in line:
-                        day += 1
-                        count = 0
-                    data = {}
-                    parts = line.split("|")
-                    data["role"] = parts[0].strip().split(":")[0]
-                    data["day"] = day
-                    data["turn"] = count
-                    if len(parts) > 1:
-                        data["text"] = parts[1].strip()
-                        data["action"] = self._action(data["text"])
-                        data["life"], data["dead_role"] = self._life(data["text"])
+                    if "Moderator(Moderator) ready to InstructSpeak" not in message and "Moderator(Moderator) ready to ParseSpeak" not in message and "Total running cost:" not in message:
+                        out.write("- " + message + '\n')
                     else:
-                        continue
-                    key = "day_{}".format(day)
-                    if key not in result:
-                        result[key] = []
-                    result[key].append(data)
-                    count += 1
-            return result
+                        out.write('\n')
 
-    def data2json(self, in_file):
-        """
-        output examples:
-        {
-          "day_0": [
-            {
-              "role": "Moderator(Moderator)",
-              "day": 0,
-              "turn": 0,
-              "text": "It’s dark, everyone close your eyes. I will talk with you/your team secretly at night.",
-              "action": "chat",
-              "life": "alive",
-              "dead_role": []
-            },{}]
-            ...
-            }
-        """
+                elif pattern_start and not matches:
+                    if "gpt-4 may update over time" in line:
+                        line = ""
+                    out.write(line)
 
-        result = self.txt2data(in_file)
-        self._save_json(result)
-        return result
+                elif line.strip().startswith("{"):
+                    out.write(line.strip())
+                    json_start = True
 
-    def _save_json(self, data):
-        with open(WORKSPACE_ROOT / 'werewolf_transcript.json', "w", encoding='utf-8') as f:
-            json.dump(data, f, ensure_ascii=False, indent=2)
-            f.write('\n')
+                elif json_start and not line.strip().endswith("}"):
+                    out.write(line.strip())
+
+                elif json_start and line.strip().endswith("}"):
+                    out.write(line.strip())
+                    json_start = False
+
+                elif line.startswith("(User):"):
+                    out.write(line)
+
+                elif line.startswith("********** STEP:"):
+                    out.write(line)
+
+                elif re.search(pattern_player, line):
+                    out.write(line)
+
+                else:
+                    out.write("\n")
 
 
 if __name__ == '__main__':
-    txt_path = WORKSPACE_ROOT / "werewolf_transcript.txt"
-    log_path = PROJECT_ROOT / "logs/log.txt"
-    Utils().data2json(txt_path)
+    in_logfile = PROJECT_ROOT / "logs/log.txt"
+    out_txtfile = "input your wish path"
+    Utils().polish_log(in_logfile, out_txtfile)