diff --git a/py/LunaTranslator/rendertext/webview.py b/py/LunaTranslator/rendertext/webview.py
index 64faca6e..c69aaf47 100644
--- a/py/LunaTranslator/rendertext/webview.py
+++ b/py/LunaTranslator/rendertext/webview.py
@@ -117,7 +117,7 @@ class TextBrowser(QWidget, dataget):
             # 而且SetCapture后会立即被父窗口把capture夺走，无法后面的释放&移动，所以只能开个线程来弄
             if not self.selectable:
                 self.trackingthread()
-        return windows.WNDPROCTYPE(orig)(hwnd, msg, wp, lp)
+        return windows.WNDPROCTYPE_1(orig)(hwnd, msg, wp, lp)
 
     @tryprint
     def showEvent(self, e):
diff --git a/py/LunaTranslator/windows.py b/py/LunaTranslator/windows.py
index 5bfd9e1b..b1fce0a2 100644
--- a/py/LunaTranslator/windows.py
+++ b/py/LunaTranslator/windows.py
@@ -861,6 +861,7 @@ IsZoomed.argtypes = (HWND,)
 IsZoomed.restype = BOOL
 
 WNDPROCTYPE = WINFUNCTYPE(INT, HWND, INT, WPARAM, LPARAM)
+WNDPROCTYPE_1 = CFUNCTYPE(INT, HWND, INT, WPARAM, LPARAM)
 
 GWLP_WNDPROC = -4
 if sizeof(c_void_p) == 8: