diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index c5132fae..ce278d62 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -3361,7 +3361,7 @@ void MainWindow::on_act_help_triggered()
     #endif
 #else
     std::string osName = GetOSName();
-    if ("UnionTech" == osName)
+    if ("UnionTech" == osName || "UOS" == osName)
     {
 #if defined(OEM_HANWANG)
         filename = QApplication::applicationDirPath() + "/../../entries/help/HanvonScan_App_Help_manual.pdf";