diff --git a/source/ubinstall-gtk-kernel.c b/source/ubinstall-gtk-kernel.c
index f41a73c..f76edfe 100644
--- a/source/ubinstall-gtk-kernel.c
+++ b/source/ubinstall-gtk-kernel.c
@@ -209,6 +209,7 @@ void yon_kernel_setup(main_window *widgets){
     for (int i=1;i<size;i++){
         int parsed_size;
         config_str parsed = yon_char_parse(kernels[i],&parsed_size,";");
+        if (!yon_packages_check_exist(parsed[1])||!yon_packages_check_exist(parsed[3])) continue;
         char *name = parsed[0];
         char *modules = yon_char_unite(parsed[1]," ",parsed[3],NULL);
         char *tags = parsed[5];
diff --git a/source/ubinstall-gtk.h b/source/ubinstall-gtk.h
index 02e1875..ea225ad 100755
--- a/source/ubinstall-gtk.h
+++ b/source/ubinstall-gtk.h
@@ -131,6 +131,8 @@ layout && /description:/ {\
 \" | sort -u\
 "
 
+#define get_keyboard_layout_change_command "grep \"grp:\" /usr/share/X11/xkb/rules/base.lst | awk '{$1=$1; sub(/^!.*$/, \"\"); if ($1 ~ /^grp:/) {opt=$1; $1=\"\"; print opt \"|\" substr($0,2)}}'"
+
 #define enable_vnc_command "ubconfig --target system set [desktop] X11VNC=ublinux"
 #define disable_vnc_command "ubconfig --target system remove [desktop] X11VNC=ublinux"