fix

sub/GroupUpdater.cpp

@@ -610,6 +610,7 @@ namespace NekoGui_sub {
                         group->order.append(ent->id);
                     }
                 }
+                group->Save();
 
                 // cleanup
                 for (const auto &ent: out_all) {

ui/dialog_basic_settings.cpp

@@ -367,6 +367,7 @@ void DialogBasicSettings::on_set_custom_icon_clicked() {
             MessageBoxWarning(title, tr("Please select a valid square image."));
             return;
         }
+        QFile::remove(user_icon_path);
         QFile::copy(fn, user_icon_path);
     } else if (c == 1) {
         QFile::remove(user_icon_path);