diff --git a/core/datasource/flask_server.py b/core/datasource/flask_server.py
index d9874f7..e1e8fba 100644
--- a/core/datasource/flask_server.py
+++ b/core/datasource/flask_server.py
@@ -232,7 +232,8 @@ def dataframe_to_json(df: pd.DataFrame) -> Dict:
     # 转换为字典列表
     records = df_reset.to_dict(orient='records')
     
-    return {
+    # 构建返回结果
+    result = {
         "data": records,
         "count": len(records),
         "columns": list(df_reset.columns),
@@ -241,6 +242,12 @@ def dataframe_to_json(df: pd.DataFrame) -> Dict:
             "end": df.index.max().strftime('%Y-%m-%d') if hasattr(df.index.max(), 'strftime') else str(df.index.max()),
         } if len(df) > 0 else None
     }
+    
+    # 添加股票信息（如果存在）
+    if hasattr(df, 'attrs') and df.attrs.get('info'):
+        result['info'] = df.attrs['info']
+    
+    return result
 
 
 def validate_date(date_str: str) -> bool:
diff --git a/core/datasource/universal_fetcher.py b/core/datasource/universal_fetcher.py
index 0da1fe7..1fc9eb7 100644
--- a/core/datasource/universal_fetcher.py
+++ b/core/datasource/universal_fetcher.py
@@ -362,6 +362,20 @@ class UniversalDataFetcher:
         
         try:
             ticker = yf.Ticker(yf_code)
+            
+            # 获取公司信息（仅对股票）
+            info = {}
+            if asset_type in ['us_stock', 'hk_stock']:
+                try:
+                    stock_info = ticker.info
+                    info = {
+                        'sector': stock_info.get('sector'),
+                        'industry': stock_info.get('industry'),
+                        'market_cap': stock_info.get('marketCap'),
+                    }
+                except Exception:
+                    pass
+            
             # end_date 需要加一天（yfinance 的 end 是排他的）
             end_date_obj = pd.Timestamp(end_date) + timedelta(days=1)
             data = ticker.history(
@@ -388,6 +402,10 @@ class UniversalDataFetcher:
             data = data[available]
             data['code'] = code
             
+            # 添加公司信息到 DataFrame 的 attrs（属性）
+            if info:
+                data.attrs['info'] = info
+            
             return data
             
         except Exception as e: