diff --git a/Assets/Scenes/Test.unity b/Assets/Scenes/Test.unity
index 1ca72f9..cdbdaf4 100644
--- a/Assets/Scenes/Test.unity
+++ b/Assets/Scenes/Test.unity
@@ -192,6 +192,18 @@ PrefabInstance:
     m_AddedGameObjects: []
     m_AddedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 2a2113dbf189fbd44bca90f4df91f338, type: 3}
+--- !u!114 &183959152 stripped
+MonoBehaviour:
+  m_CorrespondingSourceObject: {fileID: 605469399670797709, guid: b3e24e2df98d14e4ebc08cc68c071afa,
+    type: 3}
+  m_PrefabInstance: {fileID: 2088331975902746738}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3bdc5380046d4cacb0dd579877f320eb, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &410087039
 GameObject:
   m_ObjectHideFlags: 0
@@ -582,6 +594,86 @@ PrefabInstance:
     m_AddedGameObjects: []
     m_AddedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: b3e24e2df98d14e4ebc08cc68c071afa, type: 3}
+--- !u!1001 &1240498723
+PrefabInstance:
+  m_ObjectHideFlags: 0
+  serializedVersion: 2
+  m_Modification:
+    serializedVersion: 3
+    m_TransformParent: {fileID: 0}
+    m_Modifications:
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalPosition.x
+      value: -5
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalPosition.y
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalPosition.z
+      value: -5
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalRotation.w
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalRotation.x
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalRotation.y
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalRotation.z
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.x
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.y
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 502199709937918930, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.z
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 2052340463965227198, guid: ddd89e93db279184daa80d86bd4e770f,
+        type: 3}
+      propertyPath: m_Name
+      value: Button (3)
+      objectReference: {fileID: 0}
+    m_RemovedComponents: []
+    m_RemovedGameObjects: []
+    m_AddedGameObjects: []
+    m_AddedComponents: []
+  m_SourcePrefab: {fileID: 100100000, guid: ddd89e93db279184daa80d86bd4e770f, type: 3}
+--- !u!114 &1240498724 stripped
+MonoBehaviour:
+  m_CorrespondingSourceObject: {fileID: 4434834246038522293, guid: ddd89e93db279184daa80d86bd4e770f,
+    type: 3}
+  m_PrefabInstance: {fileID: 1240498723}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 7f5359facd804a0cb94d416c9c54a167, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &1274249800
 GameObject:
   m_ObjectHideFlags: 0
@@ -1412,6 +1504,21 @@ PrefabInstance:
       propertyPath: m_Name
       value: ConnectionManager
       objectReference: {fileID: 0}
+    - target: {fileID: 6919868315282518728, guid: e6007da0e1121fd4ab3b932c054f6256,
+        type: 3}
+      propertyPath: preConnectionLines.Array.size
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 6919868315282518728, guid: e6007da0e1121fd4ab3b932c054f6256,
+        type: 3}
+      propertyPath: preConnectionLines.Array.data[0].source
+      value: 
+      objectReference: {fileID: 1240498724}
+    - target: {fileID: 6919868315282518728, guid: e6007da0e1121fd4ab3b932c054f6256,
+        type: 3}
+      propertyPath: preConnectionLines.Array.data[0].target
+      value: 
+      objectReference: {fileID: 183959152}
     - target: {fileID: 8209060139561151121, guid: e6007da0e1121fd4ab3b932c054f6256,
         type: 3}
       propertyPath: m_LocalPosition.x
@@ -1487,6 +1594,7 @@ SceneRoots:
   - {fileID: 1781028406820323425}
   - {fileID: 366996911271636373}
   - {fileID: 6191742170513974480}
+  - {fileID: 1240498723}
   - {fileID: 473911345}
   - {fileID: 865274353}
   - {fileID: 6350903300567888677}
diff --git a/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs b/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
index bdd336e..e322ff8 100644
--- a/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
+++ b/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
@@ -1,25 +1,58 @@
+using System;
 using UnityEngine;
 using System.Collections.Generic;
 using Core;
 
 namespace Script.Gameplay.Connect
 {
+    [Serializable]
+    public class PreviousConnection
+    {
+        public int PreConnectionID;
+        public MonoBehaviour source;
+        public MonoBehaviour target;
+    }
     public class ConnectionLineManager : MonoSingleton<ConnectionLineManager>
     {
         [SerializeField] private GameObject linePrefab; 
-        public List<ConnectionLine> connectionLines = new List<ConnectionLine>();
-        
+        [SerializeField]private List<PreviousConnection> preConnectionLines = new List<PreviousConnection>();
+        private List<ConnectionLine> connectionLines = new List<ConnectionLine>();
+
+        private void Start()
+        {
+            GeneratePreviousConnectionLines(preConnectionLines);
+        }
+
         public ConnectionLine GenerateConnectionLine(IConnectable source, IConnectable target)
         {
             GameObject lineObject = Instantiate(linePrefab, this.transform);
             ConnectionLine connectionLine = lineObject.GetComponent<ConnectionLine>();
             if (connectionLine != null)
             {
+                source.OutputConnectionLine = connectionLine;
+                target.InputConnectionLine = connectionLine;
                 connectionLine.SetConnectable(source, target);
                 connectionLines.Add(connectionLine);
                 return connectionLine;
             }
             return null;
         }
+        
+        public void GeneratePreviousConnectionLines(List<PreviousConnection> previousConnections)
+        {
+            foreach (var preConnection in previousConnections)
+            {
+                IConnectable source = preConnection.source as IConnectable;
+                IConnectable target = preConnection.target as IConnectable;
+                if (source != null && target != null)
+                {
+                    GenerateConnectionLine(source, target);
+                }
+                else
+                {
+                    Debug.Log(preConnection.PreConnectionID + " connection failed to load.");
+                }
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Assets/Script/Gameplay/Player/PlayerConnectController.cs b/Assets/Script/Gameplay/Player/PlayerConnectController.cs
index d14c7f3..f804bdb 100644
--- a/Assets/Script/Gameplay/Player/PlayerConnectController.cs
+++ b/Assets/Script/Gameplay/Player/PlayerConnectController.cs
@@ -121,8 +121,7 @@ namespace Script.Gameplay.Player
                 }
                 // 创建连接线
                 ConnectionLine connectionLine = ConnectionLineManager.Instance.GenerateConnectionLine(outTarget, inputTarget);
-                outTarget.OutputConnectionLine = connectionLine;
-                inputTarget.InputConnectionLine = connectionLine;
+  
                 // 重置信号目标
                 outTarget = null;
                 inputTarget = null;