update

backend/app/api/paper_trading.py

@@ -129,6 +129,35 @@ async def close_order(order_id: str, request: CloseOrderRequest):
         raise HTTPException(status_code=500, detail=str(e))
 
 
+@router.delete("/orders/{order_id}")
+async def delete_order(order_id: str):
+    """
+    删除订单（不产生盈亏，仅删除记录）
+
+    注意：此操作会直接删除订单记录，不会产生任何盈亏计算，
+    也不会影响收益率等统计指标。主要用于删除错误订单或测试数据。
+
+    - order_id: 订单ID
+    """
+    try:
+        service = get_paper_trading_service()
+        result = service.delete_order(order_id)
+
+        if not result:
+            raise HTTPException(status_code=404, detail="订单不存在")
+
+        return {
+            "success": True,
+            "message": "订单已删除",
+            "result": result
+        }
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"删除订单失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 @router.get("/statistics")
 async def get_statistics(
     symbol: Optional[str] = Query(None, description="交易对筛选"),

backend/app/services/paper_trading_service.py

@@ -880,6 +880,55 @@ class PaperTradingService:
 
         return self._close_order(order, OrderStatus.CLOSED_MANUAL, exit_price)
 
+    def delete_order(self, order_id: str) -> Optional[Dict[str, Any]]:
+        """
+        删除订单（不产生盈亏，仅删除记录）
+
+        注意：此操作会直接从数据库中删除订单记录，不会产生任何盈亏计算，
+        也不会影响收益率等统计指标。主要用于删除错误订单或测试数据。
+
+        Args:
+            order_id: 订单ID
+
+        Returns:
+            删除结果字典
+        """
+        if order_id not in self.active_orders:
+            logger.warning(f"订单不存在或已删除: {order_id}")
+            return None
+
+        order = self.active_orders[order_id]
+        symbol = order.symbol
+        side = order.side.value
+        status = order.status.value
+
+        db = db_service.get_session()
+        try:
+            # 从数据库中彻底删除订单
+            db_order = db.query(PaperOrder).filter(PaperOrder.order_id == order_id).first()
+            if db_order:
+                db.delete(db_order)
+                db.commit()
+                logger.info(f"订单已从数据库删除: {order_id} | {symbol} {side} | 原状态: {status}")
+
+            # 从活跃订单缓存中移除
+            if order_id in self.active_orders:
+                del self.active_orders[order_id]
+
+            return {
+                'order_id': order_id,
+                'symbol': symbol,
+                'side': side,
+                'status': status,
+                'message': '订单已删除（不影响收益率）'
+            }
+        except Exception as e:
+            logger.error(f"删除订单失败: {e}")
+            db.rollback()
+            return None
+        finally:
+            db.close()
+
     def _cancel_pending_order(self, order: PaperOrder) -> Dict[str, Any]:
         """取消挂单"""
         db = db_service.get_session()

frontend/paper-trading.html

@@ -592,6 +592,10 @@
             color: #ff4444;
         }
 
+        .action-btn + .action-btn {
+            margin-left: 6px;
+        }
+
         /* 持仓汇总 */
         .position-summary {
             display: flex;
@@ -1319,6 +1323,9 @@
                                     <button class="action-btn danger" @click="closeOrder(order)">
                                         {{ order.status === 'pending' ? '取消' : '平仓' }}
                                     </button>
+                                    <button class="action-btn" @click="deleteOrder(order)" title="删除订单（不影响收益率）">
+                                        删除
+                                    </button>
                                     <span v-if="order.status === 'open'" class="share-link" @click="shareOrder(order)" title="分享">
                                         分享
                                     </span>
@@ -1958,6 +1965,27 @@
                     }
                 },
 
+                async deleteOrder(order) {
+                    if (!confirm(`确定要删除订单 ${order.order_id.slice(-12)} 吗？\n\n此操作会直接删除订单记录，不会产生任何盈亏计算，也不会影响收益率等统计指标。`)) {
+                        return;
+                    }
+
+                    try {
+                        const response = await fetch(`/api/paper-trading/orders/${order.order_id}`, {
+                            method: 'DELETE'
+                        });
+                        const data = await response.json();
+                        if (data.success) {
+                            alert('订单已删除');
+                            this.refreshData();
+                        } else {
+                            alert('删除失败: ' + (data.detail || '未知错误'));
+                        }
+                    } catch (e) {
+                        alert('删除失败: ' + e.message);
+                    }
+                },
+
                 formatTime(timeStr) {
                     if (!timeStr) return '-';
                     const date = new Date(timeStr);