update

backend/app/services/paper_trading_service.py

@@ -254,12 +254,24 @@ class PaperTradingService:
         """
         db = db_service.get_session()
         try:
+            # 从数据库重新查询订单，确保在当前会话中
+            db_order = db.query(PaperOrder).filter(PaperOrder.order_id == order.order_id).first()
+            if not db_order:
+                logger.error(f"数据库中未找到订单: {order.order_id}")
+                return None
+
+            # 更新订单状态
+            db_order.status = OrderStatus.OPEN
+            db_order.filled_price = filled_price
+            db_order.opened_at = datetime.utcnow()
+
+            db.commit()
+            db.refresh(db_order)
+
+            # 同步更新内存缓存
             order.status = OrderStatus.OPEN
             order.filled_price = filled_price
-            order.opened_at = datetime.utcnow()
+            order.opened_at = db_order.opened_at
-
-            db.merge(order)
-            db.commit()
 
             logger.info(f"挂单已激活: {order.order_id} | {order.symbol} {order.side.value} @ ${filled_price:,.2f}")
 
@@ -278,6 +290,8 @@ class PaperTradingService:
             }
         except Exception as e:
             logger.error(f"激活挂单失败: {e}")
+            import traceback
+            logger.error(traceback.format_exc())
             db.rollback()
             return None
         finally:
@@ -319,53 +333,61 @@ class PaperTradingService:
         """平仓并计算盈亏"""
         db = db_service.get_session()
         try:
-            # 计算盈亏
+            # 从数据库重新查询订单，确保在当前会话中
-            if order.side == OrderSide.LONG:
+            db_order = db.query(PaperOrder).filter(PaperOrder.order_id == order.order_id).first()
-                pnl_percent = ((exit_price - order.filled_price) / order.filled_price) * 100
+            if not db_order:
-            else:
+                logger.error(f"数据库中未找到订单: {order.order_id}")
-                pnl_percent = ((order.filled_price - exit_price) / order.filled_price) * 100
+                return None
 
-            pnl_amount = order.quantity * pnl_percent / 100
+            # 计算盈亏
+            if db_order.side == OrderSide.LONG:
+                pnl_percent = ((exit_price - db_order.filled_price) / db_order.filled_price) * 100
+            else:
+                pnl_percent = ((db_order.filled_price - exit_price) / db_order.filled_price) * 100
+
+            pnl_amount = db_order.quantity * pnl_percent / 100
 
             # 计算持仓时间
-            hold_duration = datetime.utcnow() - order.opened_at if order.opened_at else timedelta(0)
+            hold_duration = datetime.utcnow() - db_order.opened_at if db_order.opened_at else timedelta(0)
 
             # 更新订单
-            order.status = status
+            db_order.status = status
-            order.exit_price = exit_price
+            db_order.exit_price = exit_price
-            order.closed_at = datetime.utcnow()
+            db_order.closed_at = datetime.utcnow()
-            order.pnl_amount = round(pnl_amount, 2)
+            db_order.pnl_amount = round(pnl_amount, 2)
-            order.pnl_percent = round(pnl_percent, 4)
+            db_order.pnl_percent = round(pnl_percent, 4)
 
-            db.merge(order)
             db.commit()
+            db.refresh(db_order)
 
             # 从活跃订单缓存中移除
             if order.order_id in self.active_orders:
                 del self.active_orders[order.order_id]
 
             result = {
-                'order_id': order.order_id,
+                'order_id': db_order.order_id,
-                'symbol': order.symbol,
+                'symbol': db_order.symbol,
-                'side': order.side.value,
+                'side': db_order.side.value,
                 'status': status.value,
-                'entry_price': order.filled_price,
+                'entry_price': db_order.filled_price,
                 'exit_price': exit_price,
-                'quantity': order.quantity,
+                'quantity': db_order.quantity,
-                'pnl_amount': order.pnl_amount,
+                'pnl_amount': db_order.pnl_amount,
-                'pnl_percent': order.pnl_percent,
+                'pnl_percent': db_order.pnl_percent,
                 'is_win': pnl_amount > 0,
                 'hold_duration': str(hold_duration).split('.')[0],  # 去掉微秒
-                'signal_grade': order.signal_grade.value if order.signal_grade else None
+                'signal_grade': db_order.signal_grade.value if db_order.signal_grade else None
             }
 
             status_text = "止盈" if status == OrderStatus.CLOSED_TP else "止损"
-            logger.info(f"订单{status_text}: {order.order_id} | {order.symbol} | 盈亏: {pnl_percent:+.2f}% (${pnl_amount:+.2f})")
+            logger.info(f"订单{status_text}: {db_order.order_id} | {db_order.symbol} | 盈亏: {pnl_percent:+.2f}% (${pnl_amount:+.2f})")
 
             return result
 
         except Exception as e:
             logger.error(f"平仓失败: {e}")
+            import traceback
+            logger.error(traceback.format_exc())
             db.rollback()
             return None
         finally: