diff --git a/system/base/base-files/base-files.sysconf b/system/base/base-files/base-files.sysconf
new file mode 100644
index 00000000..8c268b94
--- /dev/null
+++ b/system/base/base-files/base-files.sysconf
@@ -0,0 +1,21 @@
+#!/bin/sh
+if [ ! -d /data/user/root ]; then
+    cat /etc/passwd.d/* > /etc/passwd
+    mkdir /data/user/root -p
+    mkdir /data/log -p
+    mkdir -p /kernel/modules
+    mkdir -p /kernel/firmware
+    mkdir -p /usr/lib64
+    chown root /data/user/root
+    chmod 700 /data/user/root
+    ln -s data/user/root /root
+    ln -s ../run /var/run
+    ln -s ../data /data/data
+    ln -s ../tmp /data/tmp
+    ln -s ../data/log /var/log
+    ln -s ../kernel/modules /lib/modules
+    ln -s ../kernel/firmware /lib/firmare
+    ln -s ../lib64 /usr/lib
+else
+    exit 0
+fi
diff --git a/system/base/base-files/ympbuild b/system/base/base-files/ympbuild
index d1ccd096..ea99ea29 100644
--- a/system/base/base-files/ympbuild
+++ b/system/base/base-files/ympbuild
@@ -17,5 +17,7 @@ if [[ -d "$name-$version" ]] ; then
 fi
 
 package(){
+    mkdir -p ${DESTDIR}/etc/sysconf.d
     make install
+    install ../base-files.sysconf  ${DESTDIR}/etc/sysconf.d/base-files
 }
diff --git a/system/base/busybox/busybox.sysconf b/system/base/busybox/busybox.sysconf
index fd3b6ba3..05f594c1 100644
--- a/system/base/busybox/busybox.sysconf
+++ b/system/base/busybox/busybox.sysconf
@@ -2,5 +2,7 @@
 /bin/busybox mkdir -p /var/lib/ymp/sysconf/busybox/
 if /bin/busybox [ ! -f /var/lib/ymp/sysconf/busybox/postinstall.done ] ; then
     /bin/busybox --install -s /bin
+    /bin/busybox install /bin/busybox /bin/su
+    /bin/busybox chmod u+s /bin/su
     /bin/busybox date > /var/lib/ymp/sysconf/busybox.postinst.done
 fi