diff --git a/全自动水压检测仪/NormalTemperatureMode.cs b/全自动水压检测仪/NormalTemperatureMode.cs
index ef42647..607db6c 100644
--- a/全自动水压检测仪/NormalTemperatureMode.cs
+++ b/全自动水压检测仪/NormalTemperatureMode.cs
@@ -1480,7 +1480,7 @@ namespace 全自动水压检测仪
         //    windowInstance.Show();
         //}
 
-        private void SwitchWindow<T>(T windowInstance, Func<T> createFunc) where T : UIForm
+        private void SwitchWindow<T>(ref T windowInstance, Func<T> createFunc) where T : UIForm
         {
             _isSwitchingWindow = true;
             _readTimer?.Stop();
@@ -1497,44 +1497,55 @@ namespace 全自动水压检测仪
                     {
                         MessageBox.Show("TCP连接已断开，请重新连接！", "提示");
                     });
+                    ResumeAfterChildWindow();
                     return;
                 }
             }
 
-            // 需要将 windowInstance 声明为局部变量
-            T localInstance = windowInstance;
-
             // 复用窗口实例
-            if (localInstance == null || localInstance.IsDisposed)
+            if (windowInstance == null || windowInstance.IsDisposed)
             {
-                localInstance = createFunc();
-                localInstance.FormClosed += (s, e) =>
+                windowInstance = createFunc();
+                windowInstance.FormClosed += (s, e) =>
                 {
-                    SafeInvoke(() =>
-                    {
-                        _isSwitchingWindow = false;
-                        _readTimer?.Start();
-                        _readTimerTwo?.Start();
-                        _alarmMonitorTimer?.Start();
-                        this.Show();
-                        this.Activate();
-                    });
+                    ResumeAfterChildWindow();
                 };
             }
-            else
-            {
-                SafeInvoke(() => localInstance.Activate());
-                return;
-            }
+
+            T targetWindow = windowInstance;
 
             SafeInvoke(() =>
             {
                 this.Hide();
-                localInstance.Show();
+                if (!targetWindow.Visible)
+                {
+                    targetWindow.Show();
+                }
+                targetWindow.Activate();
             });
+        }
 
-            // 如果需要更新外部引用，可以返回实例
-            // return localInstance;
+        public void ResumeAfterChildWindow()
+        {
+            SafeInvoke(() =>
+            {
+                _isSwitchingWindow = false;
+
+                if (_modbusMaster != null)
+                {
+                    _readTimer?.Start();
+                    _readTimerTwo?.Start();
+                    _alarmMonitorTimer?.Start();
+                }
+
+                if (!this.Visible)
+                {
+                    this.Show();
+                }
+
+                this.Activate();
+                UpdateControlsVisibilityByMode();
+            });
         }
 
         private void NormalTemperatureMode_FormClosing(object sender, FormClosingEventArgs e)
@@ -1683,13 +1694,13 @@ namespace 全自动水压检测仪
         private void EnterFunction()
         {
             // 长按后进入的功能
-            SwitchWindow(_coeffiicientsetting, () => new Coeffiicientsetting());
+            SwitchWindow(ref _coeffiicientsetting, () => new Coeffiicientsetting());
         }
 
         //切换报告界面
         private void uiButton1_Click(object sender, EventArgs e)
         {
-            SwitchWindow(_report, () => new Report(CurrentReport));
+            SwitchWindow(ref _report, () => new Report(CurrentReport));
         }
 
         //箱体温度设置
@@ -1841,7 +1852,7 @@ namespace 全自动水压检测仪
         //返回录入系统
         private void uiButton7_Click(object sender, EventArgs e)
         {
-            SwitchWindow(_scanImport, () => new ScanImport());
+            SwitchWindow(ref _scanImport, () => new ScanImport(this));
         }
 
 
@@ -2203,4 +2214,4 @@ namespace 全自动水压检测仪
             });
         }
     }
-}
\ No newline at end of file
+}
diff --git a/全自动水压检测仪/ScanImport.cs b/全自动水压检测仪/ScanImport.cs
index b91ebe8..d63a8f0 100644
--- a/全自动水压检测仪/ScanImport.cs
+++ b/全自动水压检测仪/ScanImport.cs
@@ -18,8 +18,14 @@ namespace 全自动水压检测仪
 
         private ConductivityRepository _repository;
         public ScanImport()
+            : this(null)
+        {
+        }
+
+        public ScanImport(NormalTemperatureMode normalTemperatureMode)
         {
             InitializeComponent();
+            _normalTemperatureMode = normalTemperatureMode;
             _repository = new ConductivityRepository();
             uiDataGridView1.AutoGenerateColumns = false;
         }
@@ -419,17 +425,13 @@ namespace 全自动水压检测仪
                 }
             }
         }
-        private void SwitchWindow<T>(T windowInstance, Func<T> createFunc) where T : UIForm
+        private void SwitchWindow<T>(ref T windowInstance, Func<T> createFunc) where T : UIForm
         {
-
-            // 需要将 windowInstance 声明为局部变量
-            T localInstance = windowInstance;
-
             // 复用窗口实例
-            if (localInstance == null || localInstance.IsDisposed)
+            if (windowInstance == null || windowInstance.IsDisposed)
             {
-                localInstance = createFunc();
-                localInstance.FormClosed += (s, e) =>
+                windowInstance = createFunc();
+                windowInstance.FormClosed += (s, e) =>
                 {
                     SafeInvoke(() =>
                     {
@@ -438,24 +440,32 @@ namespace 全自动水压检测仪
                     });
                 };
             }
-            else
-            {
-                SafeInvoke(() => localInstance.Activate());
-                return;
-            }
+
+            T targetWindow = windowInstance;
 
             SafeInvoke(() =>
             {
                 this.Hide();
-                localInstance.Show();
+                if (!targetWindow.Visible)
+                {
+                    targetWindow.Show();
+                }
+                targetWindow.Activate();
             });
-
-            // 如果需要更新外部引用，可以返回实例
-            // return localInstance;
         }
         private void uiButton1_Click(object sender, EventArgs e)
         {
-            SwitchWindow(_normalTemperatureMode, () => new NormalTemperatureMode());
+            if (_normalTemperatureMode != null && !_normalTemperatureMode.IsDisposed)
+            {
+                SafeInvoke(() =>
+                {
+                    this.Hide();
+                    _normalTemperatureMode.ResumeAfterChildWindow();
+                });
+                return;
+            }
+
+            SwitchWindow(ref _normalTemperatureMode, () => new NormalTemperatureMode());
         }