refactor: extract database save logic into separate method in SearchManager

mylib/search_manager.py

@@ -34,15 +34,27 @@ class SearchManager:
         html_path = self.save_page(keyword, start)
         
         # 保存到数据库
-        restult = self.db_manager.save_search_result(
+        return self.save_search_result(keyword, start, url, html_path)
+        
+    def save_search_result(self, keyword: str, start: int, url: str, html_path: str) -> SearchResult:
+        """保存搜索结果到数据库
+        
+        Args:
+            keyword: 搜索关键词
+            start: 起始位置
+            url: 搜索URL
+            html_path: 保存的HTML文件路径
+            
+        Returns:
+            数据库中的SearchResult记录
+        """
+        return self.db_manager.save_search_result(
             keyword=keyword,
             start=start,
             url=url,
             html_path=str(html_path)
         )
         
-        return html_path
-        
     async def next_page(self, keyword: str, current_start: int) -> list[str]:
         """翻到下一页并返回结果链接
         
@@ -63,8 +75,6 @@ class SearchManager:
         
         save_path = save_dir / f"{start}.html"
         save_to_file(self.page.html, save_path)
-        
-        # 保存到数据库
         return save_path
         
     async def _process_page(self, url: str) -> CrawlResult: