diff --git a/Assets/Scripts/Line/LineConnect.cs b/Assets/Scripts/Line/LineConnect.cs
index 8ca5483..a9eebf5 100644
--- a/Assets/Scripts/Line/LineConnect.cs
+++ b/Assets/Scripts/Line/LineConnect.cs
@@ -73,7 +73,7 @@ public class LineConnect : MonoBehaviour
     public bool isClick = false;
     private void OnMouseDown()
     {
-        if (!isClick && LineManager.instance.Addtime >= 4)
+        if (!isClick && LineManager.instance.Addtime >= 1.5f)
         {
             isClick = true;
             Debug.Log(transform.name);
diff --git a/Assets/Scripts/Line/LineManager.cs b/Assets/Scripts/Line/LineManager.cs
index a215000..2e338ce 100644
--- a/Assets/Scripts/Line/LineManager.cs
+++ b/Assets/Scripts/Line/LineManager.cs
@@ -78,13 +78,24 @@ public class LineManager : SerializedMonoBehaviour
     public void ResetLine()
     {
         #region 弃用保存连线方法
-        if (PlayerPrefs.GetString("LineData") != "")
+
+        if (PlayerPrefs.GetString("LineData") != "" && PlayerPrefs.GetString("LineData") != null)
         {
             int index = PlayerPrefs.GetInt("classnum");
+            if (UI_ExperimentChooesPanel.instance != null)
+            {
+                for (int i = 0; i < UI_ExperimentChooesPanel.instance.SubjectTog.Count; i++)
+                {
+                    if (UI_ExperimentChooesPanel.instance.SubjectTog[i].name.Replace("-", "") == (PlayerPrefs.GetInt("classnum").ToString()))
+                    {
+                        UI_ExperimentChooesPanel.instance.SubjectTog[i].isOn = (true);
+                    }
+                }
+            }
             Models = new List<GameObject>();
             Highlights = new List<HighlightEffect>();
             Highlights_Backup = new List<HighlightEffect>();
-
+            string str = PlayerPrefs.GetString("LineData");
             lineData = JsonConvert.DeserializeObject<LineData>(PlayerPrefs.GetString("LineData"));
             Models = Modeldic[index].ToList();
             Highlights_Backup = highlightsdic[index].ToList();
@@ -124,16 +135,6 @@ public class LineManager : SerializedMonoBehaviour
             Highlights[0].highlighted = true;
             Highlights[0].GetComponent<BoxCollider>().enabled = true;
         }
-        if (UI_ExperimentChooesPanel.instance != null)
-        {
-            for (int i = 0; i < UI_ExperimentChooesPanel.instance.SubjectTog.Count; i++)
-            {
-                if (UI_ExperimentChooesPanel.instance.SubjectTog[i].name.Replace("-", "") == (PlayerPrefs.GetInt("classnum").ToString()))
-                {
-                    UI_ExperimentChooesPanel.instance.SubjectTog[i].SetIsOnWithoutNotify(true);
-                }
-            }
-        }
         Initialization(PlayerPrefs.GetInt("classnum"));
         #endregion
     }
@@ -220,8 +221,11 @@ public class LineManager : SerializedMonoBehaviour
             Highlights_Backup = highlightsdic[indext].ToList();
             Models.ForEach((x) => { x.SetActive(false); });
             Models = Modeldic[indext].ToList();
-            PlayerPrefs.SetInt("classnum", indext);
-            PlayerPrefs.SetString("LineData", "");
+            if (PlayerPrefs.GetInt("classnum") != indext)
+            {
+                PlayerPrefs.SetInt("classnum", indext);
+                PlayerPrefs.SetString("LineData", "");
+            }
             Initialization(indext);
             //isInit = false;
         }
diff --git a/Assets/Scripts/UI/UIPanel/UI_RoamingPanel.cs b/Assets/Scripts/UI/UIPanel/UI_RoamingPanel.cs
index 7ca5be8..c8777b4 100644
--- a/Assets/Scripts/UI/UIPanel/UI_RoamingPanel.cs
+++ b/Assets/Scripts/UI/UIPanel/UI_RoamingPanel.cs
@@ -54,6 +54,7 @@ public class UI_RoamingPanel : BasePanel
     /// <returns></returns>
     private IEnumerator RoamingIE()
     {
+       
         yield return new WaitForSeconds(3f);
         GameManager.Instance.MoveCamera.transform.SetLocalPositionAndRotation(GameManager.Instance.MoveAndRotatePonit[1].position,
            GameManager.Instance.MoveAndRotatePonit[2].rotation);
@@ -63,6 +64,7 @@ public class UI_RoamingPanel : BasePanel
             GameManager.Instance.MoveAndRotatePonit[3].rotation);
         yield return new WaitForSeconds(3.6f);
         LineManager.instance.ResetLine();
+        yield return new WaitForSeconds(1f);
         Bootstrap.Instance.uiManager.HidePanel<UI_RoamingPanel>();
 
     }
diff --git a/Assets/Scripts/UI/UIPanel/UI_TopTitlePanel.cs b/Assets/Scripts/UI/UIPanel/UI_TopTitlePanel.cs
index efc6b87..c2312c9 100644
--- a/Assets/Scripts/UI/UIPanel/UI_TopTitlePanel.cs
+++ b/Assets/Scripts/UI/UIPanel/UI_TopTitlePanel.cs
@@ -118,13 +118,13 @@ public class UI_TopTitlePanel : BasePanel
                 {
                     Bootstrap.Instance.uiManager.ShowPanel<UI_ChooesPanel>(this, E_UI_Layer.Mid, (panel) =>
                     {
-                        Bootstrap.Instance.uiManager.ShowPanel<UI_TopTitlePanel>(this, E_UI_Layer.Top, (panel) =>
-                        {
+                        //Bootstrap.Instance.uiManager.ShowPanel<UI_TopTitlePanel>(this, E_UI_Layer.Top, (panel) =>
+                        //{
                             Bootstrap.Instance.uiManager.HidePanel<UI_LoginPanel>();
                             Bootstrap.Instance.uiManager.HidePanel<UI_TopTipPanel>();
                             Bootstrap.Instance.uiManager.HidePanel<UI_ExperimentChooesPanel>();
                             Debug.Log("场景加载成功");
-                        });
+                        //});
                     });
                 }
                    );