diff --git a/src/core/order-coordinator.ts b/src/core/order-coordinator.ts
index d41e0f3..253bd21 100644
--- a/src/core/order-coordinator.ts
+++ b/src/core/order-coordinator.ts
@@ -169,9 +169,6 @@ export async function placeOrder(
   lockOperating(locks, timers, pendings, type, log);
   try {
     const closePosition = reduceOnly ? true : undefined;
-    // StandX API: reduce-only 订单不能设置 tp/sl
-    const slPrice = reduceOnly ? undefined : opts?.slPrice;
-    const tpPrice = reduceOnly ? undefined : opts?.tpPrice;
     const order = await routeLimitOrder({
       adapter,
       symbol,
@@ -181,8 +178,8 @@ export async function placeOrder(
       timeInForce: reduceOnly ? "GTC" : "GTX",
       reduceOnly: reduceOnly ? true : undefined,
       closePosition,
-      slPrice,
-      tpPrice,
+      slPrice: opts?.slPrice,
+      tpPrice: opts?.tpPrice,
     });
     pendings[type] = String(order.orderId);
     log("order", `挂限价单: ${side} @ ${priceNum} 数量 ${quantity} reduceOnly=${reduceOnly}${opts?.slPrice ? ` sl=${opts.slPrice}` : ""}`);
diff --git a/src/strategy/maker-points-engine.ts b/src/strategy/maker-points-engine.ts
index a83b0c6..40073fc 100644
--- a/src/strategy/maker-points-engine.ts
+++ b/src/strategy/maker-points-engine.ts
@@ -701,9 +701,13 @@ export class MakerPointsEngine {
       if (!target) continue;
       if (target.amount < EPS) continue;
       try {
-        // 计算止损价格：买单在价格下方 $1，卖单在价格上方 $1
+        // reduce-only 订单不能设置 tp/sl，仅开仓单设置止损
         const priceNum = Number(target.price);
-        const slPrice = target.side === "BUY" ? priceNum - 1 : priceNum + 1;
+        const slPrice = target.reduceOnly
+          ? undefined
+          : target.side === "BUY"
+            ? priceNum - 1
+            : priceNum + 1;
         await placeOrder(
           this.exchange,
           this.config.symbol,