diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 162acf35..e8fd9715 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -1771,6 +1771,8 @@ for vtTFile in ventoy.json ventoy_grub.cfg; do
     fi
 done
 
+#clear all input key before show main menu
+vt_clear_key
 
 #export necessary variable
 export theme