diff --git a/Assets/Scripts/FixSystemNew/BodyModule/CableReel.cs b/Assets/Scripts/FixSystemNew/BodyModule/CableReel.cs
index 8e771ee6e..604bbaac9 100644
--- a/Assets/Scripts/FixSystemNew/BodyModule/CableReel.cs
+++ b/Assets/Scripts/FixSystemNew/BodyModule/CableReel.cs
@@ -21,6 +21,9 @@ namespace AibisDream.FixSystem
         {
             // 获取CablePanel引用
             cablePanel = transform.GetComponentInParent<CablePanel>();
+            // 兼容尚未重新保存的旧场景/预制体：新增序列化字段缺失时仍使用设计默认值。
+            if (maxHalfAngle <= 0f) maxHalfAngle = 60f;
+            if (returnSpeed <= 0f) returnSpeed = 4f;
             currentAngle = transform.eulerAngles.z;
             
             // 获取SpriteRenderer并计算半径
@@ -62,10 +65,24 @@ namespace AibisDream.FixSystem
             UpdateRotation(true);
         }
 
+        /// <summary>
+        /// 供旧 CableSystem 使用：以插头位置驱动线盘，并在收线时缓动回正。
+        /// </summary>
+        public void UpdateRotation(Transform plugTransform, bool active)
+        {
+            UpdateRotation(plugTransform, active, 1f);
+        }
+
         /// <summary>拖拽/插接中朝拉力方向施加扭矩；闲置时缓动回正。</summary>
         public void UpdateRotation(bool active, float tautness = 1f)
         {
             if (cablePanel == null || cablePanel.PlugRef == null) return;
+            UpdateRotation(cablePanel.PlugRef.transform, active, tautness);
+        }
+
+        private void UpdateRotation(Transform plugTransform, bool active, float tautness)
+        {
+            if (plugTransform == null) return;
 
             if (!active)
             {
@@ -85,7 +102,7 @@ namespace AibisDream.FixSystem
 
             Vector2 center = transform.position;
             Vector2 outlet = outletPos;
-            Vector2 force = (Vector2)cablePanel.PlugRef.transform.position - outlet;
+            Vector2 force = (Vector2)plugTransform.position - outlet;
             Vector2 r = outlet - center;
 
             float torque = (r.x * force.y - r.y * force.x) * tautness;
@@ -108,4 +125,4 @@ namespace AibisDream.FixSystem
             UpdateOutletPosition();
         }
     }
-} 
\ No newline at end of file
+}
diff --git a/Assets/Scripts/FixSystemNew/BodyModule/CableSystem.cs b/Assets/Scripts/FixSystemNew/BodyModule/CableSystem.cs
index 5209cb166..d1f977992 100644
--- a/Assets/Scripts/FixSystemNew/BodyModule/CableSystem.cs
+++ b/Assets/Scripts/FixSystemNew/BodyModule/CableSystem.cs
@@ -98,10 +98,10 @@ namespace AibisDream.FixSystem
 
         private void Update()
         {
-            // 获取线缆方向并更新转盘旋转
+            // 以正下方为中心驱动线盘旋转；CableReel 内部限制为左右各 60°。
             if (CableRef != null && CableReelRef != null)
             {
-                CableReelRef.UpdateRotation();
+                CableReelRef.UpdateRotation(PlugRef != null ? PlugRef.transform : null, !isCableRetracted);
             }
         }
 
diff --git a/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs b/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs
index acd20d7c0..ef741b082 100644
--- a/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs	
+++ b/Assets/Scripts/FixSystemNew/Screen System/FixPanel/CablePanel.cs	
@@ -196,14 +196,14 @@ namespace AibisDream.FixSystem
 
         private void Update()
         {
-            // 拖拽/插接时转盘朝拉力方向转动，闲置时缓动回正
+            // 拖拽/插接时转盘朝插头方向转动，闲置时缓动回正。
+            // 不再要求线缆完全绷紧，否则送线会让 tautness 长时间为 0，视觉上看不到旋转。
             if (CableReelRef != null && physicCableRef != null
                 && physicCableRef.State != PhysicCable.CableState.Hidden)
             {
                 bool active = physicCableRef.State == PhysicCable.CableState.Dragging
                               || physicCableRef.State == PhysicCable.CableState.Plugged;
-                float tautness = active ? physicCableRef.GetTautness() : 0f;
-                CableReelRef.UpdateRotation(active, tautness);
+                CableReelRef.UpdateRotation(active);
             }
         }