fix: 修复连接池泄漏(conn.close改为put_db) + put_db处理已关闭连接 + 添加日线同步cron

stock-html/routes/market.py

@@ -6,7 +6,7 @@ import pandas as pd
 from datetime import datetime, timedelta
 from services.stock_service import get_stock_fund_flow, load_cached_data
 from services.stock_algorithms import get_kline_data as algo_get_kline_data
-from db import get_db
+from db import get_db, put_db
 
 bp = Blueprint('market', __name__, url_prefix='/api')
 
@@ -40,7 +40,7 @@ def db_realtime_price(stock_code):
             'data': dict(row)
         })
     finally:
-        conn.close()
+        put_db(conn)
 
 
 @bp.route('/db/realtime_prices', methods=['POST'])
@@ -71,7 +71,7 @@ def db_realtime_prices():
             'data': [dict(row) for row in rows]
         })
     finally:
-        conn.close()
+        put_db(conn)
 
 
 @bp.route('/db/fund_flow_today/<stock_code>', methods=['GET'])
@@ -102,7 +102,7 @@ def db_fund_flow_today(stock_code):
             'data': dict(row)
         })
     finally:
-        conn.close()
+        put_db(conn)
 
 
 @bp.route('/db/fund_flow_today_batch', methods=['POST'])
@@ -135,7 +135,7 @@ def db_fund_flow_today_batch():
             'data': [dict(row) for row in rows]
         })
     finally:
-        conn.close()
+        put_db(conn)
 
 
 @bp.route('/db/data_status', methods=['GET'])
@@ -171,7 +171,7 @@ def db_data_status():
             'recent_logs': [dict(log) for log in logs]
         })
     finally:
-        conn.close()
+        put_db(conn)
 
 
 # ============ 原有API（兼容） ============
@@ -305,7 +305,7 @@ def get_fund_flow_rank():
                 return jsonify({'success': True, 'data': flow_data, 'total': len(flow_data),
                                 'source': 'cache'})
             finally:
-                _conn.close()
+                _put_db(conn)
         
         return jsonify({'success': True, 'data': [], 'total': 0})
     except Exception as e:
@@ -389,7 +389,7 @@ def get_fundamental(stock_code):
                         'triggered_count': sig_row[2] or 0,
                     }
                 
-                conn.close()
+                put_db(conn)
         except Exception as e:
             print(f"获取数据失败: {e}")