diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 43ae8aea..73a28223 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -2349,11 +2349,11 @@ if [ $ventoy_img_count -gt 0 ]; then
     fi
 else
     if [ -n "$VTOY_NO_ISO_TIP" ]; then
-        NO_ISO_MENU="No ISO files found, $VTOY_NO_ISO_TIP"
+        NO_ISO_MENU="No ISO or supported IMG files found, $VTOY_NO_ISO_TIP"
     elif [ -n "$VTOY_DEFAULT_SEARCH_ROOT" ]; then
-        NO_ISO_MENU="No ISO files found, please check VTOY_DEFAULT_SEARCH_ROOT"
+        NO_ISO_MENU="No ISO or supported IMG files found, please check VTOY_DEFAULT_SEARCH_ROOT"
     else
-        NO_ISO_MENU="No ISO files found"
+        NO_ISO_MENU="No ISO or supported IMG files found"
     fi
     menuentry "$NO_ISO_MENU (Press enter to reboot ...)" {
         echo -e "\n    Rebooting ... "