diff --git a/addons/fastwq/gui/common.py b/addons/fastwq/gui/common.py
index 2e4b2a8..96bb682 100644
--- a/addons/fastwq/gui/common.py
+++ b/addons/fastwq/gui/common.py
@@ -51,6 +51,7 @@ def show_fm_dialog(browser = None):
     if fm_dialog.exec_() == QDialog.Accepted:
         # update local services
         service_manager.update_services()
+    fm_dialog.destroy()
     # reshow options window
     show_options(browser)
 
@@ -65,6 +66,7 @@ def show_options(browser = None, model_id = -1, callback = None, *args, **kwargs
     if opt_dialog.exec_() == QDialog.Accepted:
         if isinstance(callback, types.FunctionType):
             callback(*args, **kwargs)
+    opt_dialog.destroy()
 
 
 def show_about_dialog(parent):
diff --git a/addons/fastwq/gui/options.py b/addons/fastwq/gui/options.py
index a974641..df29d02 100644
--- a/addons/fastwq/gui/options.py
+++ b/addons/fastwq/gui/options.py
@@ -142,6 +142,7 @@ class OptionsDialog(Dialog):
         '''open setting dialog'''
         dialog = SettingDialog(self, u'Setting')
         dialog.exec_()
+        dialog.destroy()
 
     def check_updates(self):
         '''check addon version'''
@@ -153,6 +154,7 @@ class OptionsDialog(Dialog):
         from .common import show_fm_dialog
         self.save()
         self.close()
+        self.destroy()
         show_fm_dialog(self._parent)
 
     def show_about(self):
diff --git a/addons21/fastwq/gui/common.py b/addons21/fastwq/gui/common.py
index 2e4b2a8..96bb682 100644
--- a/addons21/fastwq/gui/common.py
+++ b/addons21/fastwq/gui/common.py
@@ -51,6 +51,7 @@ def show_fm_dialog(browser = None):
     if fm_dialog.exec_() == QDialog.Accepted:
         # update local services
         service_manager.update_services()
+    fm_dialog.destroy()
     # reshow options window
     show_options(browser)
 
@@ -65,6 +66,7 @@ def show_options(browser = None, model_id = -1, callback = None, *args, **kwargs
     if opt_dialog.exec_() == QDialog.Accepted:
         if isinstance(callback, types.FunctionType):
             callback(*args, **kwargs)
+    opt_dialog.destroy()
 
 
 def show_about_dialog(parent):
diff --git a/addons21/fastwq/gui/options.py b/addons21/fastwq/gui/options.py
index a974641..df29d02 100644
--- a/addons21/fastwq/gui/options.py
+++ b/addons21/fastwq/gui/options.py
@@ -142,6 +142,7 @@ class OptionsDialog(Dialog):
         '''open setting dialog'''
         dialog = SettingDialog(self, u'Setting')
         dialog.exec_()
+        dialog.destroy()
 
     def check_updates(self):
         '''check addon version'''
@@ -153,6 +154,7 @@ class OptionsDialog(Dialog):
         from .common import show_fm_dialog
         self.save()
         self.close()
+        self.destroy()
         show_fm_dialog(self._parent)
 
     def show_about(self):