fix(爬虫): 更新上证所数据抓取的XPath并添加备用路径

原XPath无法定位元素，更新为更精确的路径并添加多个备用XPath

spider.py

@@ -185,7 +185,7 @@ class SpiderManager:
             return {}
         
         sse_url = "https://www.sse.com.cn/"
-        xpath = "//*[@id=\"hq_area\"]"
+        xpath = "//*[@id=\"hq_controller\"]/table/tbody/tr/td[1]/rowspan[2]/i[1]"
         
         logger.info(f"开始爬取上海证券交易所数据: {sse_url}")
         
@@ -204,6 +204,7 @@ class SpiderManager:
                 logger.warning("未找到股票数据元素，尝试备用XPath")
                 # 尝试备用XPath
                 backup_xpaths = [
+                    "//*[@id='hq_area']",
                     "//*[@id='hq_controller']//td[contains(@class, 'price')]//text()",
                     "//*[contains(@class, 'stock-price')]//text()",
                     "//*[contains(@class, 'price')]//text()"