diff --git a/Assets/Scripts/FixSystemNew/Cable/Plug.cs b/Assets/Scripts/FixSystemNew/Cable/Plug.cs
index 73cf4ca01..fc1cd83ac 100644
--- a/Assets/Scripts/FixSystemNew/Cable/Plug.cs
+++ b/Assets/Scripts/FixSystemNew/Cable/Plug.cs
@@ -101,7 +101,7 @@ namespace AibisDream.FixSystem
             if (_isInserting) return;
             _isInserting = true;
 
-            cablePanel.ClearDragHighlight();
+            cablePanel.ClearDragHighlight(targetSocket as BodyModule);
             ClearFeedbackOffset();
 
             var targetPos = targetSocket.GetSocketPos().position;
diff --git a/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs b/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs
index 4c0f964aa..3750de779 100644
--- a/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs	
+++ b/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs	
@@ -308,10 +308,10 @@ namespace AibisDream.FixSystem
             physicCableRef.SetPointer(pointerWorldPos);
         }
 
-        /// <summary>结束拖拽：关闭所有插孔盖。</summary>
-        public void ClearDragHighlight()
+        /// <summary>结束拖拽：关闭除指定保留模块外的插孔盖；不指定时全部关闭。</summary>
+        public void ClearDragHighlight(BodyModule preservedModule = null)
         {
-            BodyModuleSystem?.CloseModuleSlots(null);
+            BodyModuleSystem?.CloseModuleSlots(preservedModule);
         }
 
         /// <summary>松手且未插中插孔：解除钉住，线缆自动回收，插头挂回绳末端。</summary>