diff --git a/source/libublsettings-gtk3-misc.c b/source/libublsettings-gtk3-misc.c
index 8cf752f..993539f 100644
--- a/source/libublsettings-gtk3-misc.c
+++ b/source/libublsettings-gtk3-misc.c
@@ -280,7 +280,7 @@ void yon_on_insert_restricted_check(GtkEditable *editable, const gchar *text, gi
     gint i, j = 0;
 
     for (i = 0; i < length; i++) {
-        if (text[i]!='!'&&text[i]!='@'&&text[i]!='#'&&text[i]!='%'&&text[i]!='^'&&text[i]!='&'&&text[i]!='*'&&text[i]!='\"'&&text[i]!='\'') {
+        if ((text[i]>='0'&&text[i]<='9')||(text[i]>='a'&&text[i]<='z')||(text[i]>='A'&&text[i]<='Z')) {
             new_text[j] = text[i];
             j++;
         }
diff --git a/source/libublsettings-gtk3-window-config.c b/source/libublsettings-gtk3-window-config.c
index 536276e..4c57974 100644
--- a/source/libublsettings-gtk3-window-config.c
+++ b/source/libublsettings-gtk3-window-config.c
@@ -181,9 +181,7 @@
                 }
                 g_object_set_property(G_OBJECT(param->track_widget),param->property_name,val);
             }
-            if (__yon_main_window_config.width==0) gtk_window_get_size(GTK_WINDOW(__yon_window_config_target_window),&__yon_main_window_config.width,NULL);
-            if (__yon_main_window_config.height==0) gtk_window_get_size(GTK_WINDOW(__yon_window_config_target_window),NULL,&__yon_main_window_config.height);
-            gtk_window_resize(__yon_window_config_target_window,__yon_main_window_config.width,__yon_main_window_config.height);
+            if (__yon_main_window_config.width&&__yon_main_window_config.height) gtk_window_resize(__yon_window_config_target_window,__yon_main_window_config.width,__yon_main_window_config.height);
             gtk_window_move(__yon_window_config_target_window,__yon_main_window_config.x,__yon_main_window_config.y);
             pthread_t tid;
             pthread_create(&tid,NULL,(void *)_yon_maximize,NULL);