diff --git a/trader/aster_trader.go b/trader/aster_trader.go
index e4d7f12d..5427e4da 100644
--- a/trader/aster_trader.go
+++ b/trader/aster_trader.go
@@ -981,6 +981,61 @@ func (t *AsterTrader) CancelAllOrders(symbol string) error {
 	return err
 }
 
+// CancelStopOrders 取消该币种的止盈/止损单（用于调整止盈止损位置）
+func (t *AsterTrader) CancelStopOrders(symbol string) error {
+	// 获取该币种的所有未完成订单
+	params := map[string]interface{}{
+		"symbol": symbol,
+	}
+
+	body, err := t.request("GET", "/fapi/v3/openOrders", params)
+	if err != nil {
+		return fmt.Errorf("获取未完成订单失败: %w", err)
+	}
+
+	var orders []map[string]interface{}
+	if err := json.Unmarshal(body, &orders); err != nil {
+		return fmt.Errorf("解析订单数据失败: %w", err)
+	}
+
+	// 过滤出止盈止损单并取消
+	canceledCount := 0
+	for _, order := range orders {
+		orderType, _ := order["type"].(string)
+
+		// 只取消止损和止盈订单
+		if orderType == "STOP_MARKET" ||
+			orderType == "TAKE_PROFIT_MARKET" ||
+			orderType == "STOP" ||
+			orderType == "TAKE_PROFIT" {
+
+			orderID, _ := order["orderId"].(float64)
+			cancelParams := map[string]interface{}{
+				"symbol":  symbol,
+				"orderId": int64(orderID),
+			}
+
+			_, err := t.request("DELETE", "/fapi/v3/order", cancelParams)
+			if err != nil {
+				log.Printf("  ⚠ 取消订单 %d 失败: %v", int64(orderID), err)
+				continue
+			}
+
+			canceledCount++
+			log.Printf("  ✓ 已取消 %s 的止盈/止损单 (订单ID: %d, 类型: %s)",
+				symbol, int64(orderID), orderType)
+		}
+	}
+
+	if canceledCount == 0 {
+		log.Printf("  ℹ %s 没有止盈/止损单需要取消", symbol)
+	} else {
+		log.Printf("  ✓ 已取消 %s 的 %d 个止盈/止损单", symbol, canceledCount)
+	}
+
+	return nil
+}
+
 // FormatQuantity 格式化数量（实现Trader接口）
 func (t *AsterTrader) FormatQuantity(symbol string, quantity float64) (string, error) {
 	formatted, err := t.formatQuantity(symbol, quantity)
diff --git a/trader/auto_trader.go b/trader/auto_trader.go
index f3e6cbc4..a40434b8 100644
--- a/trader/auto_trader.go
+++ b/trader/auto_trader.go
@@ -837,6 +837,12 @@ func (at *AutoTrader) executeUpdateStopLossWithRecord(decision *decision.Decisio
 		return fmt.Errorf("空单止损必须高于当前价格 (当前: %.2f, 新止损: %.2f)", marketData.CurrentPrice, decision.NewStopLoss)
 	}
 
+	// 取消旧的止损单（避免多个止损单共存）
+	if err := at.trader.CancelStopOrders(decision.Symbol); err != nil {
+		log.Printf("  ⚠ 取消旧止损单失败: %v", err)
+		// 不中断执行，继续设置新止损
+	}
+
 	// 调用交易所 API 修改止损
 	quantity := math.Abs(positionAmt)
 	err = at.trader.SetStopLoss(decision.Symbol, positionSide, quantity, decision.NewStopLoss)
@@ -893,6 +899,12 @@ func (at *AutoTrader) executeUpdateTakeProfitWithRecord(decision *decision.Decis
 		return fmt.Errorf("空单止盈必须低于当前价格 (当前: %.2f, 新止盈: %.2f)", marketData.CurrentPrice, decision.NewTakeProfit)
 	}
 
+	// 取消旧的止盈单（避免多个止盈单共存）
+	if err := at.trader.CancelStopOrders(decision.Symbol); err != nil {
+		log.Printf("  ⚠ 取消旧止盈单失败: %v", err)
+		// 不中断执行，继续设置新止盈
+	}
+
 	// 调用交易所 API 修改止盈
 	quantity := math.Abs(positionAmt)
 	err = at.trader.SetTakeProfit(decision.Symbol, positionSide, quantity, decision.NewTakeProfit)
diff --git a/trader/binance_futures.go b/trader/binance_futures.go
index c10fadeb..d04eeaae 100644
--- a/trader/binance_futures.go
+++ b/trader/binance_futures.go
@@ -425,6 +425,53 @@ func (t *FuturesTrader) CancelAllOrders(symbol string) error {
 	return nil
 }
 
+// CancelStopOrders 取消该币种的止盈/止损单（用于调整止盈止损位置）
+func (t *FuturesTrader) CancelStopOrders(symbol string) error {
+	// 获取该币种的所有未完成订单
+	orders, err := t.client.NewListOpenOrdersService().
+		Symbol(symbol).
+		Do(context.Background())
+
+	if err != nil {
+		return fmt.Errorf("获取未完成订单失败: %w", err)
+	}
+
+	// 过滤出止盈止损单并取消
+	canceledCount := 0
+	for _, order := range orders {
+		orderType := order.Type
+
+		// 只取消止损和止盈订单
+		if orderType == futures.OrderTypeStopMarket ||
+			orderType == futures.OrderTypeTakeProfitMarket ||
+			orderType == futures.OrderTypeStop ||
+			orderType == futures.OrderTypeTakeProfit {
+
+			_, err := t.client.NewCancelOrderService().
+				Symbol(symbol).
+				OrderID(order.OrderID).
+				Do(context.Background())
+
+			if err != nil {
+				log.Printf("  ⚠ 取消订单 %d 失败: %v", order.OrderID, err)
+				continue
+			}
+
+			canceledCount++
+			log.Printf("  ✓ 已取消 %s 的止盈/止损单 (订单ID: %d, 类型: %s)",
+				symbol, order.OrderID, orderType)
+		}
+	}
+
+	if canceledCount == 0 {
+		log.Printf("  ℹ %s 没有止盈/止损单需要取消", symbol)
+	} else {
+		log.Printf("  ✓ 已取消 %s 的 %d 个止盈/止损单", symbol, canceledCount)
+	}
+
+	return nil
+}
+
 // GetMarketPrice 获取市场价格
 func (t *FuturesTrader) GetMarketPrice(symbol string) (float64, error) {
 	prices, err := t.client.NewListPricesService().Symbol(symbol).Do(context.Background())
diff --git a/trader/hyperliquid_trader.go b/trader/hyperliquid_trader.go
index 3073b342..c89f6b14 100644
--- a/trader/hyperliquid_trader.go
+++ b/trader/hyperliquid_trader.go
@@ -501,6 +501,47 @@ func (t *HyperliquidTrader) CancelAllOrders(symbol string) error {
 	return nil
 }
 
+// CancelStopOrders 取消该币种的止盈/止损单（用于调整止盈止损位置）
+func (t *HyperliquidTrader) CancelStopOrders(symbol string) error {
+	coin := convertSymbolToHyperliquid(symbol)
+
+	// 获取所有挂单
+	openOrders, err := t.exchange.Info().OpenOrders(t.ctx, t.walletAddr)
+	if err != nil {
+		return fmt.Errorf("获取挂单失败: %w", err)
+	}
+
+	// 过滤出止盈止损单并取消
+	canceledCount := 0
+	for _, order := range openOrders {
+		if order.Coin == coin {
+			// Hyperliquid 的止损止盈订单通常是 trigger 订单
+			// 检查是否有 triggerPx 字段（表示触发价格）
+			isTriggerOrder := order.TriggerPx != "" && order.TriggerPx != "0"
+
+			if isTriggerOrder {
+				_, err := t.exchange.Cancel(t.ctx, coin, order.Oid)
+				if err != nil {
+					log.Printf("  ⚠ 取消止盈/止损单失败 (oid=%d): %v", order.Oid, err)
+					continue
+				}
+
+				canceledCount++
+				log.Printf("  ✓ 已取消 %s 的止盈/止损单 (订单ID: %d, 触发价: %s)",
+					symbol, order.Oid, order.TriggerPx)
+			}
+		}
+	}
+
+	if canceledCount == 0 {
+		log.Printf("  ℹ %s 没有止盈/止损单需要取消", symbol)
+	} else {
+		log.Printf("  ✓ 已取消 %s 的 %d 个止盈/止损单", symbol, canceledCount)
+	}
+
+	return nil
+}
+
 // GetMarketPrice 获取市场价格
 func (t *HyperliquidTrader) GetMarketPrice(symbol string) (float64, error) {
 	coin := convertSymbolToHyperliquid(symbol)
diff --git a/trader/interface.go b/trader/interface.go
index 18d75ee7..edf70d32 100644
--- a/trader/interface.go
+++ b/trader/interface.go
@@ -39,6 +39,9 @@ type Trader interface {
 	// CancelAllOrders 取消该币种的所有挂单
 	CancelAllOrders(symbol string) error
 
+	// CancelStopOrders 取消该币种的止盈/止损单（用于调整止盈止损位置）
+	CancelStopOrders(symbol string) error
+
 	// FormatQuantity 格式化数量到正确的精度
 	FormatQuantity(symbol string, quantity float64) (string, error)
 }