diff --git a/MisakaTranslator-WPF/TranslateWindow.xaml.cs b/MisakaTranslator-WPF/TranslateWindow.xaml.cs
index 964050e9..6983b808 100644
--- a/MisakaTranslator-WPF/TranslateWindow.xaml.cs
+++ b/MisakaTranslator-WPF/TranslateWindow.xaml.cs
@@ -53,6 +53,9 @@ public partial class TranslateWindow
         public volatile bool IsOCRingFlag; //线程锁:判断是否正在OCR线程中，保证同时只有一组在跑OCR
         public bool IsNotPausedFlag; //是否处在暂停状态（专用于OCR）,为真可以翻译
 
+        private static Timer ocrTimer;  // ocr timing-task
+        private volatile bool ocrTimerPause;  // ocr timing-task pause flag
+
         private bool _isShowSource; //是否显示原文
         private bool _isLocked;
 
@@ -270,6 +273,22 @@ public static ITranslator TranslatorAuto(string translator)
             }
         }
 
+        /// <summary>
+        /// 定时事件
+        /// </summary>
+        private void Hook_OnTimingActivity()
+        {
+            ocrTimerPause = false;
+            ocrTimer = new Timer(registerTimingOCR, null, 0, Common.UsingOCRDelay);
+        }
+        private void registerTimingOCR(object obj)
+        {
+            if (!ocrTimerPause)
+            {
+                TranslateEventOcr(isTimer: true);
+            }
+        }
+
         /// <summary>
         /// 键盘点击事件
         /// </summary>
@@ -296,7 +315,7 @@ private void Hook_OnMouseActivity(object sender, POINT e)
         /// OCR事件
         /// </summary>
         /// <param name="isRenew">是否是重新获取翻译</param>
-        private async void TranslateEventOcr(bool isRenew = false)
+        private async void TranslateEventOcr(bool isRenew = false, bool isTimer = false)
         {
             if (!IsNotPausedFlag && IsOCRingFlag)
                 return;
@@ -307,7 +326,7 @@ private async void TranslateEventOcr(bool isRenew = false)
             for (int i = 0; i < 3; i++)
             {
                 // 重新OCR不需要等待
-                if (!isRenew)
+                if (!isRenew || isTimer)
                     await Task.Delay(Common.UsingOCRDelay);
 
                 srcText = await Common.ocr.OCRProcessAsync();
@@ -714,6 +733,7 @@ private void Pause_Item_Click(object sender, RoutedEventArgs e)
                 {
                     PauseButton.SetValue(FontAwesome.WPF.Awesome.ContentProperty, FontAwesomeIcon.Play);
                 }
+                ocrTimerPause = !ocrTimerPause;
                 Common.textHooker.Pause = !Common.textHooker.Pause;
             }
             else
@@ -751,6 +771,11 @@ private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs
             Common.appSettings.TF_SizeW = Convert.ToString((int)this.ActualWidth);
             Common.appSettings.TF_SizeH = Convert.ToString((int)this.ActualHeight);
 
+            if (ocrTimer != null)
+            {
+                ocrTimerPause = true;
+                ocrTimer.Dispose();
+            }
             if (hook != null)
             {
                 hook.Stop();