diff --git a/LunaTranslator/LunaTranslator/gui/edittext.py b/LunaTranslator/LunaTranslator/gui/edittext.py
index 9094f2b7..0811a8fa 100644
--- a/LunaTranslator/LunaTranslator/gui/edittext.py
+++ b/LunaTranslator/LunaTranslator/gui/edittext.py
@@ -122,13 +122,10 @@ class edittrans(QMainWindow):
         self.trykeeppos()
 
     def trykeeppos(self):
-        try:
-            self.followhwnd = gobject.baseobject.textsource.hwnd
-            self.follow()
-            self.show()
-        except:
-            pass
-
+        self.followhwnd = gobject.baseobject.textsource.hwnd
+        self.follow()
+        self.show()
+        
     @threader
     def follow(self):
         while True:
diff --git a/LunaTranslator/LunaTranslator/myutils/wrapper.py b/LunaTranslator/LunaTranslator/myutils/wrapper.py
index b00bf14e..3f35bfe0 100644
--- a/LunaTranslator/LunaTranslator/myutils/wrapper.py
+++ b/LunaTranslator/LunaTranslator/myutils/wrapper.py
@@ -43,8 +43,12 @@ def Singleton_impl(cls, behavior="activate"):
                     self.deleteLater()
                     _instance.pop(cls)
                 _lock.release()
-
-        _inst = __(*args, **kwagrs)
+        try:
+            _inst = __(*args, **kwagrs)
+        except:
+            print_exc()
+            _lock.release()
+            return None
         if _inst.Singleton_flag:
             _instance[cls] = _inst
         return _inst