diff --git a/entry.sh b/entry.sh
index 2bcbb6b..ae9efb9 100755
--- a/entry.sh
+++ b/entry.sh
@@ -88,3 +88,9 @@ function second_stage(){
 	
 }
 
+function post_install_stage(){
+	sleep 0.5
+    mount | grep target | awk '{print $3}'| sort -r | while read LINE; do
+        umount -l $LINE;
+    done
+}