diff --git a/LunaTranslator/LunaTranslator/LunaTranslator.py b/LunaTranslator/LunaTranslator/LunaTranslator.py
index 5d1ea8f3..5b0134cd 100644
--- a/LunaTranslator/LunaTranslator/LunaTranslator.py
+++ b/LunaTranslator/LunaTranslator/LunaTranslator.py
@@ -46,7 +46,7 @@ import gobject
 import winsharedutils
 from winsharedutils import collect_running_pids
 from myutils.post import POSTSOLVE
-from myutils.utils import nowisdark
+from myutils.utils import nowisdark, getfilemd5
 from myutils.traceplaytime import playtimemanager
 from myutils.audioplayer import series_audioplayer
 from gui.dynalang import LAction, LMenu
@@ -89,6 +89,7 @@ class MAINUI:
         self.audioplayer = series_audioplayer()
         self._internal_reader = None
         self.reader_uid = None
+        self.__hwnd = None
 
     @property
     def reader(self):
@@ -110,6 +111,41 @@ class MAINUI:
     def textsource(self):
         return self.textsource_p
 
+    @property
+    def hwnd(self):
+        return self.__hwnd
+
+    @hwnd.setter
+    def hwnd(self, __hwnd):
+        self.__hwnd = __hwnd
+        if not __hwnd:
+            self.translation_ui.processismuteed = False
+            self.translation_ui.isbindedwindow = False
+            self.translation_ui.refreshtooliconsignal.emit()
+            self.translation_ui.thistimenotsetop = False
+        else:
+            _mute = winsharedutils.GetProcessMute(
+                windows.GetWindowThreadProcessId(__hwnd)
+            )
+            self.translation_ui.processismuteed = _mute
+            self.translation_ui.isbindedwindow = True
+            self.translation_ui.refreshtooliconsignal.emit()
+            try:
+                if not self.textsource:
+                    return
+                if not self.textsource.autofindpids:
+                    return
+                self.textsource.pids = [windows.GetWindowThreadProcessId(__hwnd)]
+                gameuid = findgameuidofpath(getpidexe(self.textsource.pids[0]))
+                if gameuid:
+                    self.textsource.gameuid = gameuid[0]
+                    self.textsource.md5 = getfilemd5(uid2gamepath[gameuid[0]])
+            except:
+                print_exc()
+
+        if globalconfig["keepontop"]:
+            self.translation_ui.settop()
+
     @textsource.setter
     def textsource(self, _):
         if _ is None and self.textsource_p:
@@ -117,6 +153,7 @@ class MAINUI:
                 self.textsource_p.end()
             except:
                 print_exc()
+            self.hwnd = None
         self.textsource_p = _
 
     @property
@@ -513,10 +550,10 @@ class MAINUI:
         try:
             for _ in (0,):
 
-                if not gobject.baseobject.textsource:
+                if not self.textsource:
                     break
 
-                gameuid = gobject.baseobject.textsource.gameuid
+                gameuid = self.textsource.gameuid
                 if not gameuid:
                     break
                 if savehook_new_data[gameuid]["tts_follow_default"]:
@@ -669,7 +706,8 @@ class MAINUI:
             gameuid = find_or_create_uid(savehook_new_list, pexe, title)
             savehook_new_list.insert(0, gameuid)
 
-        self.textsource = texthook(pids, hwnd, pexe, gameuid, autostart=False)
+        self.textsource = texthook(pids, pexe, gameuid, autostart=False)
+        self.hwnd = hwnd
         self.textsource.start()
 
     def starttextsource(self, use=None, checked=True):
@@ -899,7 +937,8 @@ class MAINUI:
             if globalconfig["startgamenototop"] == False:
                 idx = reflist.index(uid)
                 reflist.insert(0, reflist.pop(idx))
-            self.textsource = texthook(pids, hwnd, name_, uid, autostart=True)
+            self.textsource = texthook(pids, name_, uid, autostart=True)
+            self.hwnd = hwnd
             self.textsource.start()
 
         while self.isrunning:
@@ -1070,6 +1109,7 @@ class MAINUI:
         self.mainuiloadafter()
 
     def mainuiloadafter(self):
+        self.__checkmutethread()
         self.safeloadprocessmodels()
         self.prepare()
         self.startxiaoxueguan()
@@ -1093,6 +1133,20 @@ class MAINUI:
         self.playtimemanager = playtimemanager()
         self.__count = 0
 
+    @threader
+    def __checkmutethread(self):
+        while True:
+            time.sleep(0.5)
+            if not self.hwnd:
+                continue
+            pid = windows.GetWindowThreadProcessId(self.hwnd)
+            if not pid:
+                continue
+            _mute = winsharedutils.GetProcessMute(pid)
+            if self.translation_ui.processismuteed != _mute:
+                self.translation_ui.processismuteed = _mute
+                self.translation_ui.refreshtooliconsignal.emit()
+
     def openlink(self, file):
         if file.startswith("http") and checkisusingwine():
             self.translation_ui.displaylink.emit(file)
diff --git a/LunaTranslator/LunaTranslator/gui/edittext.py b/LunaTranslator/LunaTranslator/gui/edittext.py
index 5d8c6858..4a181654 100644
--- a/LunaTranslator/LunaTranslator/gui/edittext.py
+++ b/LunaTranslator/LunaTranslator/gui/edittext.py
@@ -127,7 +127,7 @@ class edittrans(LMainWindow):
         self.trykeeppos()
 
     def trykeeppos(self):
-        self.followhwnd = gobject.baseobject.textsource.hwnd
+        self.followhwnd = gobject.baseobject.hwnd
         rect = windows.GetWindowRect(self.followhwnd)
         if rect is None:
             raise
diff --git a/LunaTranslator/LunaTranslator/gui/showword.py b/LunaTranslator/LunaTranslator/gui/showword.py
index 36b90e8c..d61c6e17 100644
--- a/LunaTranslator/LunaTranslator/gui/showword.py
+++ b/LunaTranslator/LunaTranslator/gui/showword.py
@@ -354,7 +354,7 @@ class AnkiWindow(QWidget):
         if not keystring:
             return
         try:
-            windows.SetForegroundWindow(gobject.baseobject.textsource.hwnd)
+            windows.SetForegroundWindow(gobject.baseobject.hwnd)
             time.sleep(0.1)
         except:
             pass
diff --git a/LunaTranslator/LunaTranslator/gui/translatorUI.py b/LunaTranslator/LunaTranslator/gui/translatorUI.py
index 51624ee3..adf71af9 100644
--- a/LunaTranslator/LunaTranslator/gui/translatorUI.py
+++ b/LunaTranslator/LunaTranslator/gui/translatorUI.py
@@ -272,15 +272,15 @@ class TranslatorWindow(resizableframeless):
             if self.isdoingsomething():
                 lastpos = None
                 continue
-            try:
-                hwnd = gobject.baseobject.textsource.hwnd
-                if hwnd != tracehwnd:
-                    lastpos = None
-            except:
+
+            hwnd = gobject.baseobject.hwnd
+            if not hwnd:
+                continue
+            if hwnd != tracehwnd:
+                tracehwnd = hwnd
                 lastpos = None
                 continue
             rect = windows.GetWindowRect(hwnd)
-            tracehwnd = hwnd
             if not rect:
                 lastpos = None
                 continue
@@ -468,9 +468,9 @@ class TranslatorWindow(resizableframeless):
 
     @threader
     def simulate_key_enter(self):
-        windows.SetForegroundWindow(gobject.baseobject.textsource.hwnd)
+        windows.SetForegroundWindow(gobject.baseobject.hwnd)
         time.sleep(0.1)
-        while windows.GetForegroundWindow() == gobject.baseobject.textsource.hwnd:
+        while windows.GetForegroundWindow() == gobject.baseobject.hwnd:
             time.sleep(0.001)
             windows.keybd_event(13, 0, 0, 0)
         windows.keybd_event(13, 0, windows.KEYEVENTF_KEYUP, 0)
@@ -487,10 +487,10 @@ class TranslatorWindow(resizableframeless):
 
     def addbuttons(self):
         def simulate_key_ctrl():
-            windows.SetForegroundWindow(gobject.baseobject.textsource.hwnd)
+            windows.SetForegroundWindow(gobject.baseobject.hwnd)
             time.sleep(0.1)
             windows.keybd_event(17, 0, 0, 0)
-            while windows.GetForegroundWindow() == gobject.baseobject.textsource.hwnd:
+            while windows.GetForegroundWindow() == gobject.baseobject.hwnd:
                 time.sleep(0.001)
             windows.keybd_event(17, 0, windows.KEYEVENTF_KEYUP, 0)
 
@@ -1080,8 +1080,8 @@ class TranslatorWindow(resizableframeless):
             return
         self.fullscreenmanager_busy = True
         try:
-            if gobject.baseobject.textsource and gobject.baseobject.textsource.hwnd:
-                _hwnd = gobject.baseobject.textsource.hwnd
+            if gobject.baseobject.hwnd:
+                _hwnd = gobject.baseobject.hwnd
             else:
                 _hwnd = windows.GetForegroundWindow()
                 _pid = windows.GetWindowThreadProcessId(_hwnd)
@@ -1180,7 +1180,7 @@ class TranslatorWindow(resizableframeless):
 
     def bindcropwindowcallback(self, pid, hwnd):
         _pid = os.getpid()
-        gobject.baseobject.textsource.hwnd = hwnd if pid != _pid else None
+        gobject.baseobject.hwnd = hwnd if pid != _pid else None
 
     def changeshowhideraw(self):
         try:
diff --git a/LunaTranslator/LunaTranslator/myutils/hwnd.py b/LunaTranslator/LunaTranslator/myutils/hwnd.py
index b4629f3b..0c7a503b 100644
--- a/LunaTranslator/LunaTranslator/myutils/hwnd.py
+++ b/LunaTranslator/LunaTranslator/myutils/hwnd.py
@@ -14,10 +14,14 @@ def grabwindow(app="PNG", callback_origin=None):
         fname = gobject.gettempdir(time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime()))
         uid = None
     else:
-        try:
-            dirname = gobject.baseobject.textsource.basename
-        except:
-            dirname = "0"
+
+        hwndx = gobject.baseobject.hwnd
+        if not hwndx:
+            hwndx = windows.GetForegroundWindow()
+        gamepath = getpidexe(windows.GetWindowThreadProcessId(hwndx))
+        dirname = os.path.basename(gamepath).replace(
+            "." + os.path.basename(gamepath).split(".")[-1], ""
+        )
         try:
             uid = gobject.baseobject.textsource.gameuid
         except:
@@ -48,11 +52,9 @@ def grabwindow(app="PNG", callback_origin=None):
             callback(fname + "_winrt_magpie." + app)
 
         _()
-    try:
-        hwnd = gobject.baseobject.textsource.hwnd
-        if not hwnd:
-            raise
-    except:
+
+    hwnd = gobject.baseobject.hwnd
+    if not hwnd:
         hwnd = windows.GetForegroundWindow()
 
     _ = windows.GetClientRect(hwnd)
diff --git a/LunaTranslator/LunaTranslator/myutils/utils.py b/LunaTranslator/LunaTranslator/myutils/utils.py
index 05bedbba..3f17edba 100644
--- a/LunaTranslator/LunaTranslator/myutils/utils.py
+++ b/LunaTranslator/LunaTranslator/myutils/utils.py
@@ -427,13 +427,15 @@ def minmaxmoveobservefunc(self):
     ):
 
         try:
-            if gobject.baseobject.textsource is None:
-                return
-            if not gobject.baseobject.textsource.hwnd:
-                return
-            if not gobject.baseobject.textsource.pids:
+            if not gobject.baseobject.hwnd:
                 return
+            if event == windows.EVENT_OBJECT_DESTROY:
+                if hwnd == gobject.baseobject.hwnd:
+                    gobject.baseobject.hwnd = None
+                    return
             p_pids = gobject.baseobject.textsource.pids
+            if not p_pids:
+                return
             _focusp = windows.GetWindowThreadProcessId(hwnd)
             if event != windows.EVENT_SYSTEM_FOREGROUND:
                 return
@@ -441,7 +443,6 @@ def minmaxmoveobservefunc(self):
                 return
             if _focusp == os.getpid():
                 return
-
             if windows.FindWindow(
                 "Window_Magpie_967EB565-6F73-4E94-AE53-00CC42592A22", None
             ):
@@ -467,7 +468,10 @@ def minmaxmoveobservefunc(self):
 
     win_event_callback_cfunc = WinEventProcType(win_event_callback)
 
-    eventpairs = ((windows.EVENT_SYSTEM_FOREGROUND, windows.EVENT_SYSTEM_FOREGROUND),)
+    eventpairs = (
+        (windows.EVENT_SYSTEM_FOREGROUND, windows.EVENT_SYSTEM_FOREGROUND),
+        (windows.EVENT_OBJECT_DESTROY, windows.EVENT_OBJECT_DESTROY),
+    )
 
     def _():
         for pair in eventpairs:
diff --git a/LunaTranslator/LunaTranslator/textsource/ocrtext.py b/LunaTranslator/LunaTranslator/textsource/ocrtext.py
index f03e516e..ea7cd3fa 100644
--- a/LunaTranslator/LunaTranslator/textsource/ocrtext.py
+++ b/LunaTranslator/LunaTranslator/textsource/ocrtext.py
@@ -74,7 +74,7 @@ class ocrtext(basetext):
         h4 = windows.WindowFromPoint(windows.POINT(p2[0], p1[1]))
 
         self.range_ui[-1].setrect(rect)
-        if len(self.range_ui) > 1:
+        if gobject.baseobject.hwnd:
             return
         usehwnds = []
         for _ in (h1, h2, h3, h4):
@@ -86,7 +86,7 @@ class ocrtext(basetext):
             return
         hwnd, count = Counter(usehwnds).most_common()[0]
         if count == len(usehwnds):
-            self.hwnd = hwnd
+            gobject.baseobject.hwnd = hwnd
 
     def setstyle(self):
         [_.setstyle() for _ in self.range_ui]
@@ -114,7 +114,12 @@ class ocrtext(basetext):
             if rect is None:
                 continue
             imgr = imageCut(
-                self.hwnd, rect[0][0], rect[0][1], rect[1][0], rect[1][1], i == 0
+                gobject.baseobject.hwnd,
+                rect[0][0],
+                rect[0][1],
+                rect[1][0],
+                rect[1][1],
+                i == 0,
             )
             ok = True
 
@@ -186,7 +191,9 @@ class ocrtext(basetext):
                 continue
             if rect[0][0] > rect[1][0] or rect[0][1] > rect[1][1]:
                 return
-            img = imageCut(self.hwnd, rect[0][0], rect[0][1], rect[1][0], rect[1][1])
+            img = imageCut(
+                gobject.baseobject.hwnd, rect[0][0], rect[0][1], rect[1][0], rect[1][1]
+            )
 
             text = ocr_run(img)
             imgr1 = qimge2np(img)
diff --git a/LunaTranslator/LunaTranslator/textsource/texthook.py b/LunaTranslator/LunaTranslator/textsource/texthook.py
index ec39ef23..90d53c8c 100644
--- a/LunaTranslator/LunaTranslator/textsource/texthook.py
+++ b/LunaTranslator/LunaTranslator/textsource/texthook.py
@@ -103,7 +103,7 @@ class texthook(basetext):
 
             return __shitdict(savehook_new_data[self.gameuid]["hooksetting_private"])
 
-    def __init__(self, pids, hwnd, gamepath, gameuid, autostart=False):
+    def __init__(self, pids, gamepath, gameuid, autostart=False):
         if autostart:
             autostarthookcode = savehook_new_data[gameuid]["hook"]
             needinserthookcode = savehook_new_data[gameuid]["needinserthookcode"]
@@ -136,7 +136,6 @@ class texthook(basetext):
         self.gameuid = gameuid
         self.pids = pids
         self.is64bit = Is64bit(pids[0])
-        self.hwnd = hwnd
         gobject.baseobject.hookselectdialog.changeprocessclearsignal.emit()
         self.isremoveuseless = self.config["removeuseless"] and len(
             self.autostarthookcode
diff --git a/LunaTranslator/LunaTranslator/textsource/textsourcebase.py b/LunaTranslator/LunaTranslator/textsource/textsourcebase.py
index 31055061..96762abf 100644
--- a/LunaTranslator/LunaTranslator/textsource/textsourcebase.py
+++ b/LunaTranslator/LunaTranslator/textsource/textsourcebase.py
@@ -1,97 +1,15 @@
 import threading, gobject, queue
-import time, sqlite3, json, os, windows, winsharedutils
+import time, sqlite3, json, os
 from traceback import print_exc
-from myutils.config import (
-    globalconfig,
-    savehook_new_data,
-    findgameuidofpath,
-    uid2gamepath,
-)
-from myutils.utils import autosql, getfilemd5
-from myutils.hwnd import getpidexe
-from myutils.wrapper import threader
-
-
-class hwndchecker:
-    def __del__(self):
-        if self.ref.hwnd:
-            return
-        gobject.baseobject.translation_ui.processismuteed = False
-        gobject.baseobject.translation_ui.isbindedwindow = False
-        gobject.baseobject.translation_ui.refreshtooliconsignal.emit()
-        gobject.baseobject.translation_ui.thistimenotsetop = False
-        if globalconfig["keepontop"]:
-            gobject.baseobject.translation_ui.settop()
-
-    def __init__(self, hwnd, ref) -> None:
-        self.hwnd = hwnd
-        self.ref = ref
-        self.end = False
-
-        _mute = winsharedutils.GetProcessMute(
-            windows.GetWindowThreadProcessId(self.hwnd)
-        )
-
-        gobject.baseobject.translation_ui.processismuteed = _mute
-        gobject.baseobject.translation_ui.isbindedwindow = True
-        gobject.baseobject.translation_ui.refreshtooliconsignal.emit()
-        self.__checkthread()
-
-    @threader
-    def __checkthread(self):
-        while not self.end:
-            pid = windows.GetWindowThreadProcessId(self.hwnd)
-            if not pid:
-                self.hwnd = None
-                self.__del__()
-                break
-            _mute = winsharedutils.GetProcessMute(pid)
-            if gobject.baseobject.translation_ui.processismuteed != _mute:
-                gobject.baseobject.translation_ui.processismuteed = _mute
-                gobject.baseobject.translation_ui.refreshtooliconsignal.emit()
-            time.sleep(0.5)
+from myutils.config import globalconfig, savehook_new_data
+from myutils.utils import autosql
 
 
 class basetext:
     autofindpids = True
 
-    @property
-    def hwnd(self):
-
-        if self.__hwnd is None:
-            return None
-        return self.__hwnd.hwnd
-
-    @hwnd.setter
-    def hwnd(self, _hwnd):
-        if self.__hwnd:
-            self.__hwnd.end = True
-        self.__hwnd = None
-        if self.autofindpids:
-            self.pids = []
-            self.gameuid = None
-            self.md5 = "0"
-            self.basename = self.__basename
-        if _hwnd:
-
-            self.__hwnd = hwndchecker(_hwnd, self)
-
-            if not self.autofindpids:
-                return
-            self.pids = [windows.GetWindowThreadProcessId(_hwnd)]
-            gameuid = findgameuidofpath(getpidexe(self.pids[0]))
-            if gameuid:
-                self.gameuid = gameuid[0]
-                self.md5 = getfilemd5(uid2gamepath[gameuid[0]])
-                gamepath = uid2gamepath[self.gameuid]
-                self.basename = os.path.basename(gamepath).replace(
-                    "." + os.path.basename(gamepath).split(".")[-1], ""
-                )
-
     def __init__(self, md5, basename):
         self.md5 = md5
-        self.__basename = self.basename = basename
-        self.__hwnd = None
         self.pids = []
         self.gameuid = None
         #
@@ -137,7 +55,6 @@ class basetext:
         return None
 
     def end(self):
-        self.hwnd = None
         self.ending = True
 
     ##################
diff --git a/LunaTranslator/LunaTranslator/windows.py b/LunaTranslator/LunaTranslator/windows.py
index d76b481c..13904402 100644
--- a/LunaTranslator/LunaTranslator/windows.py
+++ b/LunaTranslator/LunaTranslator/windows.py
@@ -60,7 +60,7 @@ EVENT_SYSTEM_MINIMIZEEND = 23
 EVENT_SYSTEM_MOVESIZESTART = 10
 EVENT_SYSTEM_MOVESIZEEND = 11
 EVENT_SYSTEM_FOREGROUND = 3
-
+EVENT_OBJECT_DESTROY = 0x8001
 
 PIPE_ACCESS_INBOUND = 0x00000001
 PIPE_ACCESS_OUTBOUND = 0x00000002
@@ -261,6 +261,7 @@ _keybd_event.argtypes = c_byte, c_byte, c_uint, c_void_p
 _RegisterWindowMessage = _user32.RegisterWindowMessageW
 
 _GetWindowThreadProcessId = _user32.GetWindowThreadProcessId
+_GetWindowThreadProcessId.argtypes = HWND, c_void_p
 _GetClipboardOwner = _user32.GetClipboardOwner
 
 try: