diff --git a/IMG/cpio/ventoy/loop/lakka/ventoy-disk.sh b/IMG/cpio/ventoy/loop/lakka/ventoy-disk.sh
index 88b93796..42a8e7fe 100644
--- a/IMG/cpio/ventoy/loop/lakka/ventoy-disk.sh
+++ b/IMG/cpio/ventoy/loop/lakka/ventoy-disk.sh
@@ -34,14 +34,18 @@ else
     vtBit=32
 fi
 
-if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz ]; then
-    xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz
-    insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko
-fi
+if grep -q "device-mapper" /proc/devices; then
+    vtlog "device-mapper enabled by system"
+else
+    if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz ]; then
+        xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz
+        insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko
+    fi
 
-if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz ]; then
-    xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz
-    insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko
+    if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz ]; then
+        xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz
+        insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko
+    fi
 fi
 
 wait_for_usb_disk_ready
diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 8f231a23..12ae6d02 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -1796,7 +1796,7 @@ function img_unsupport_menuentry {
 #############################################################
 #############################################################
 
-set VENTOY_VERSION="1.0.45"
+set VENTOY_VERSION="1.0.46"
 
 #ACPI not compatible with Window7/8, so disable by default
 set VTOY_PARAM_NO_ACPI=1
diff --git a/INSTALL/ventoy/ipxe.krn b/INSTALL/ventoy/ipxe.krn
index 229bdddc..aebf3bbd 100644
Binary files a/INSTALL/ventoy/ipxe.krn and b/INSTALL/ventoy/ipxe.krn differ