fix: wrong sentences

modules/info_extractor.py

@@ -288,8 +288,7 @@ class InfoExtractor:
             'weekend': 2, 'week': 7, 'month': 30, 'vacation': 7, 'holiday': 3
         }
 
-        def extract(self, user_message: str) -> dict:
-        """使用分词策略进行信息提取"""
+    def extract(self, user_message: str) -> dict:
         
         # 输入验证
         if not user_message or not isinstance(user_message, str):
@@ -778,8 +777,7 @@ class InfoExtractor:
                     break
             
             # 处理纯数字token（需要查看上下文）
-            if not amount and re.match(r'^\d+(?:\.\d+)?
-                , token):
+            if not amount and re.match(r'^\d+(?:\.\d+)?', token):
                 number = float(token)
                 
                 # 检查前面的token是否有预算相关词汇