diff --git a/rw-system.sh b/rw-system.sh
index cf45343..3cfb4ed 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -12,31 +12,35 @@
 
 img="$(find /dev/block -type l |grep by-name |grep /kernel$(getprop ro.boot.slot_suffix) |head -n 1)"
 [ -z "$img" ] && img="$(find /dev/block -type l |grep by-name |grep /boot$(getprop ro.boot.slot_suffix) |head -n 1)"
-[ -z "$img" ] && exit 0
+if [ -n "$img" ];then
+    #Rewrite SPL/Android version if needed
+    Arelease="$(getSPL $img android)"
+    setprop ro.keymaster.xxx.release $Arelease
+    setprop ro.keymaster.xxx.security_patch "$(getSPL $img spl)"
 
-#Rewrite SPL/Android version if needed
-Arelease="$(getSPL $img android)"
-setprop ro.keymaster.xxx.release $Arelease
-setprop ro.keymaster.xxx.security_patch "$(getSPL $img spl)"
+    #Only Android 8.0 needs this
+    if ! echo "$Arelease" |grep -qF 8.0;then
+        exit 0
+    fi
 
-#Only Android 8.0 needs this
-if ! echo "$Arelease" |grep -qF 8.0;then
-	exit 0
+    for f in /vendor/lib64/hw/android.hardware.keymaster@3.0-impl-qti.so /system/lib64/vndk-26/libsoftkeymasterdevice.so;do
+        [ ! -f $f ] && continue
+        b="$(basename "$f")"
+
+        mkdir -p /dev/phh/
+        cp $f /dev/phh/$b
+        sed -i -e 's/ro.build.version.release/ro.keymaster.xxx.release/g' -e 's/ro.build.version.security_patch/ro.keymaster.xxx.security_patch/g' /dev/phh/$b
+        if echo $f |grep vendor;then
+            chcon u:object_r:vendor_file:s0 /dev/phh/$b
+        else
+            chcon u:object_r:system_file:s0 /dev/phh/$b
+        fi
+        chmod 0644 /dev/phh/$b
+        mount -o bind /dev/phh/$b $f
+    done
+    setprop ctl.restart keymaster-3-0
 fi
 
-for f in /vendor/lib64/hw/android.hardware.keymaster@3.0-impl-qti.so /system/lib64/vndk-26/libsoftkeymasterdevice.so;do
-	[ ! -f $f ] && continue
-	b="$(basename "$f")"
-
-	mkdir -p /dev/phh/
-	cp $f /dev/phh/$b
-	sed -i -e 's/ro.build.version.release/ro.keymaster.xxx.release/g' -e 's/ro.build.version.security_patch/ro.keymaster.xxx.security_patch/g' /dev/phh/$b
-	if echo $f |grep vendor;then
-		chcon u:object_r:vendor_file:s0 /dev/phh/$b
-	else
-		chcon u:object_r:system_file:s0 /dev/phh/$b
-	fi
-	chmod 0644 /dev/phh/$b
-	mount -o bind /dev/phh/$b $f
-done
-setprop ctl.restart keymaster-3-0
+if grep vendor.huawei.hardware.biometrics.fingerprint /vendor/manifest.xml;then
+    mount -o bind system/phh/huawei/fingerprint.kl /vendor/usr/keylayout/fingerprint.kl
+fi