diff --git a/trading_system/position_manager.py b/trading_system/position_manager.py
index 28a7056..a030258 100644
--- a/trading_system/position_manager.py
+++ b/trading_system/position_manager.py
@@ -1412,30 +1412,35 @@ class PositionManager:
             logger.warning(f"{symbol} 止损或止盈价格为空，跳过挂保护单: stop_loss={stop_loss}, take_profit={take_profit}")
             return
 
-        # 验证止损价格是否合理；若无效则自动修正为最小安全距离，避免跳过挂单导致无保护
+        # 验证止损价格是否合理。保本/移动止损时：多单止损可≥入场价、空单止损可≤入场价，不得被改回亏损价
         entry_price = position_info.get("entryPrice")
         if entry_price:
             try:
                 entry_price_val = float(entry_price)
                 stop_loss_val = float(stop_loss)
-                # 验证止损价格方向：BUY时止损价应低于入场价，SELL时止损价应高于入场价
                 min_gap_pct = 0.005  # 最小 0.5% 距离，与 risk_manager 一致
+                # 多单止损≥入场价 = 保本/移动止损，有效；空单止损≤入场价 = 保本/移动止损，有效
                 if side == "BUY" and stop_loss_val >= entry_price_val:
-                    safe_sl = entry_price_val * (1 - min_gap_pct)
-                    logger.warning(
-                        f"{symbol} 止损价({stop_loss_val:.8f})>=入场价({entry_price_val:.8f}) 无效(BUY)，"
-                        f"已修正为 {safe_sl:.8f} 并继续挂单"
-                    )
-                    stop_loss = safe_sl
-                    position_info["stopLoss"] = stop_loss
+                    # 保本或移动止损，保留不修正
+                    pass
                 elif side == "SELL" and stop_loss_val <= entry_price_val:
-                    safe_sl = entry_price_val * (1 + min_gap_pct)
-                    logger.warning(
-                        f"{symbol} 止损价({stop_loss_val:.8f})<=入场价({entry_price_val:.8f}) 无效(SELL)，"
-                        f"已修正为 {safe_sl:.8f} 并继续挂单"
-                    )
-                    stop_loss = safe_sl
-                    position_info["stopLoss"] = stop_loss
+                    pass
+                elif side == "BUY" and stop_loss_val < entry_price_val:
+                    if stop_loss_val > entry_price_val * (1 - min_gap_pct):
+                        safe_sl = entry_price_val * (1 - min_gap_pct)
+                        logger.warning(
+                            f"{symbol} 止损价({stop_loss_val:.8f})距入场过近(BUY)，已修正为 {safe_sl:.8f}"
+                        )
+                        stop_loss = safe_sl
+                        position_info["stopLoss"] = stop_loss
+                elif side == "SELL" and stop_loss_val > entry_price_val:
+                    if stop_loss_val < entry_price_val * (1 + min_gap_pct):
+                        safe_sl = entry_price_val * (1 + min_gap_pct)
+                        logger.warning(
+                            f"{symbol} 止损价({stop_loss_val:.8f})距入场过近(SELL)，已修正为 {safe_sl:.8f}"
+                        )
+                        stop_loss = safe_sl
+                        position_info["stopLoss"] = stop_loss
             except Exception as e:
                 logger.warning(f"{symbol} 验证止损价格时出错: {e}")