diff --git a/IMG/cpio/ventoy/hook/gobo/ventoy-inotifyd-hook.sh b/IMG/cpio/ventoy/hook/gobo/ventoy-inotifyd-hook.sh
index 76009e86..34a70a0f 100644
--- a/IMG/cpio/ventoy/hook/gobo/ventoy-inotifyd-hook.sh
+++ b/IMG/cpio/ventoy/hook/gobo/ventoy-inotifyd-hook.sh
@@ -31,16 +31,6 @@ if is_inotify_ventoy_part $3; then
     vtlog "find ventoy partition $3 ..."
     $BUSYBOX_PATH/sh $VTOY_PATH/hook/default/udev_disk_hook.sh $3 noreplace
     
-    # blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
-    # vtDM=$(ventoy_find_dm_id ${blkdev_num})
-    # 
-    # if [ "$vtDM" = "dm-0" ]; then
-    #     vtlog "This is dm-0, OK ..."
-    # else
-    #     vtlog "####### This is $vtDM ####### this is abnormal ..."
-    #     ventoy_swap_device /dev/dm-0 /dev/$vtDM
-    # fi
-    
     set_ventoy_hook_finish
 else
     vtlog "##### INOTIFYD: $2/$3 is created (NO)..."
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-hook.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-hook.sh
index bf95ab0c..2fb4a557 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-hook.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-hook.sh
@@ -28,19 +28,19 @@ else
     for vtParam in $($CAT /proc/cmdline); do
         if echo $vtParam | $GREP -q 'inst.ks=hd:LABEL='; then
             vtRawKs=$(echo $vtParam | $AWK -F: '{print $NF}')
-            VTKS="inst.ks=hd:/dev/dm-0:$vtRawKs"
+            VTKS="inst.ks=hd:/dev/ventoy:$vtRawKs"
             break
         fi
         
         if echo $vtParam | $GREP -q '^ks=.*:/'; then
             vtRawKs=$(echo $vtParam | $AWK -F: '{print $NF}')
-            VTKS="ks=hd:/dev/dm-0:$vtRawKs"
+            VTKS="ks=hd:/dev/ventoy:$vtRawKs"
             break
         fi
         
         if echo $vtParam | $GREP -q '^inst.ks=.*:/'; then
             vtRawKs=$(echo $vtParam | $AWK -F: '{print $NF}')
-            VTKS="inst.ks=hd:/dev/dm-0:$vtRawKs"
+            VTKS="inst.ks=hd:/dev/ventoy:$vtRawKs"
             break
         fi
     done
@@ -75,9 +75,9 @@ fi
 echo "vtInstDD=$vtInstDD" >> $VTLOG
 
 if $GREP -q 'root=live' /proc/cmdline; then
-    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE root=live:/dev/dm-0 $VTKS $VTOVERLAY $vtInstDD#" -i /lib/dracut-lib.sh
+    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE root=live:/dev/ventoy $VTKS $VTOVERLAY $vtInstDD#" -i /lib/dracut-lib.sh
 else
-    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE inst.stage2=hd:/dev/dm-0 $VTKS $VTOVERLAY $vtInstDD#" -i /lib/dracut-lib.sh
+    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE inst.stage2=hd:/dev/ventoy $VTKS $VTOVERLAY $vtInstDD#" -i /lib/dracut-lib.sh
 fi
 
 ventoy_set_inotify_script  rhel7/ventoy-inotifyd-hook.sh
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
index 40df0e79..c19991e2 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
@@ -43,14 +43,9 @@ if is_inotify_ventoy_part $3; then
     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 
-    if [ "$vtDM" = "dm-0" ]; then
-        vtlog "This is dm-0, OK ..."
-    else
-        vtlog "####### This is $vtDM ####### this is abnormal ..."
-        ventoy_swap_device /dev/dm-0 /dev/$vtDM
-    fi
-    
-    
+    cp -a /dev/$vtDM  /dev/ventoy
+    $BUSYBOX_PATH/modprobe isofs >/dev/null 2>&1
+
     vtGenRulFile='/etc/udev/rules.d/99-live-squash.rules'
     if [ -e $vtGenRulFile ] && $GREP -q dmsquash $vtGenRulFile; then
         vtScript=$($GREP -m1 'RUN.=' $vtGenRulFile | $AWK -F'RUN.=' '{print $2}' | $SED 's/"\(.*\)".*/\1/')
@@ -60,10 +55,9 @@ if is_inotify_ventoy_part $3; then
         vtlog "$vtGenRulFile not exist..."
     fi
     
-    
     if [ -e /sbin/anaconda-diskroot ]; then
-        vtlog "set anaconda-diskroot ..."
-        /sbin/anaconda-diskroot /dev/dm-0    
+        vtlog "set anaconda-diskroot ..."        
+        /sbin/anaconda-diskroot /dev/ventoy
     fi
     
     set_ventoy_hook_finish
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
index ee68b124..a6923361 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
@@ -23,17 +23,20 @@ if [ ! -e /dev/dm-0 ]; then
     exit 0
 fi
 
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+
 if ! [ -e /dev/mapper/ventoy ]; then
-    vtlog "link to /dev/mapper/ventoy"
-    ln -s /dev/dm-0 /dev/mapper/ventoy
+    vtlog "link /dev/$vtDM to /dev/mapper/ventoy"
+    ln -s /dev/$vtDM /dev/mapper/ventoy
 fi
 
-VTLABEL=$($BUSYBOX_PATH/blkid /dev/dm-0 | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
+VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 vtlog "VTLABEL=$VTLABEL"
 
 if [ -n "$VTLABEL" ]; then
     if ! [ -e "/dev/disk/by-label/$VTLABEL" ]; then
-        vtlog "link to /dev/disk/by-label/$VTLABEL"
-        ln -s /dev/dm-0 "/dev/disk/by-label/$VTLABEL"
+        vtlog "link /dev/$vtDM to /dev/disk/by-label/$VTLABEL"
+        ln -s /dev/$vtDM "/dev/disk/by-label/$VTLABEL"
     fi
 fi
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
index 87ece3be..77260fec 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
@@ -25,10 +25,11 @@ VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
 
 blkdev_num=$(dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
 vtDM=$(ventoy_find_dm_id ${blkdev_num})
+[ -e /dev/ventoy ] || cp -a /dev/$vtDM /dev/ventoy
 
 if [ -e /sbin/anaconda-diskroot ]; then
-    vtlog "set anaconda-diskroot ..."
-    /sbin/anaconda-diskroot /dev/dm-0    
+    vtlog "set anaconda-diskroot /dev/ventoy ..."
+    /sbin/anaconda-diskroot /dev/ventoy
 fi
 
 PATH=$VTPATH_OLD