diff --git a/tools/puzzle.py b/tools/puzzle.py
index f090f12..851f0dd 100644
--- a/tools/puzzle.py
+++ b/tools/puzzle.py
@@ -1,3 +1,6 @@
+'''
+词库来自: https://diginoodles.com/projects/eowl
+'''
 import os
 import json
 import random
@@ -208,8 +211,20 @@ def generate_wordlist():
     从 RESULT_DIR 下的 matched 文件中提取无重复字母的单词，并按 f 分类写入 words_{f}.txt
     """
     word_map = defaultdict(list)
+    all_words = set()
 
-    for file in sorted(os.scandir(RESULT_DIR), key=lambda f: int(f.name[:5])):
+    # 优化写法：先筛选再排序
+    matched_files = []
+    for file in os.scandir(RESULT_DIR):
+        # 同上的过滤条件
+        if (file.is_file() 
+            and file.name.endswith('.json') 
+            and 'matched' in file.name 
+            and len(file.name) >= 5 
+            and file.name[:5].isdigit()):
+            matched_files.append(file)
+
+    for file in sorted(matched_files, key=lambda f: int(f.name[:5])):
         if 'matched' not in file.name:
             continue
 
@@ -222,6 +237,7 @@ def generate_wordlist():
             freq = item.get('f')
             if word and freq and has_no_repeated_letters(word):
                 word_map[freq].append(word)
+                all_words.add(word)
 
     # 写入文件
     for freq, words in word_map.items():
@@ -231,6 +247,12 @@ def generate_wordlist():
                 f.write(word + '\n')
         logging.info(f'✅ 写入完成: {filename} ({len(words)} 个单词)')
 
+    # 写全量
+    filename = os.path.join(RESULT_DIR, 'wordlist.txt')
+    with open(filename, 'w', encoding='utf-8') as f:
+        for word in all_words:
+            f.write(word + '\n')
+    logging.info(f'✅ 写入完成: {filename} ({len(all_words)} 个单词)')
 
 def main():
     parser = argparse.ArgumentParser()