diff --git a/build.sh b/build.sh
index 6ac7140..4a8cda5 100755
--- a/build.sh
+++ b/build.sh
@@ -2,5 +2,6 @@
 
 rm "LogDisablerLite.zip"
 pushd src || exit 1
+mkdir -p ./system/lib64
 zip -r "../LogDisablerLite.zip" ./*
 popd || exit 2
diff --git a/src/customize.sh b/src/customize.sh
index ad7efd5..71c95cc 100755
--- a/src/customize.sh
+++ b/src/customize.sh
@@ -12,6 +12,12 @@ PATCHED_LIB="liblog_patched.so"
 #     echo "$*"
 # }
 
+
+READELF="${MODPATH}/toybox-aarch64 readelf"
+if ! chmod a+x "${MODPATH}/toybox-aarch64"; then
+    abort "Failed to chmod a+x ${MODPATH}/toybox-aarch64"
+fi
+
 # copy to TMPDIR
 if ! cp -f "${TARGET_DIR}/${TARGET_LIB}" "${TMPDIR}/${TARGET_LIB}"; then
     abort "Failed to copy ${TARGET_DIR}/${TARGET_LIB} to ${TMPDIR}/${TARGET_LIB}"
@@ -19,8 +25,8 @@ fi
 ui_print "Success to copy ${TARGET_DIR}/${TARGET_LIB} to ${TMPDIR}/${TARGET_LIB}"
 
 # parse liblog.so to get the virtual address of __android_log_is_loggable
-TARGET_FUNC_VADDR=$(readelf -sW "${TMPDIR}/${TARGET_LIB}" | grep -w __android_log_is_loggable | awk '{print $2}')
-if [ -z "$TARGET_FUNC_VADDR" ]; then
+TARGET_FUNC_VADDR=$($READELF -sW "${TMPDIR}/${TARGET_LIB}" | grep -w __android_log_is_loggable | awk '{print $2}')
+if [ $? -ne 0 ] || [ -z "$TARGET_FUNC_VADDR" ]; then
     abort "Failed to get virtual address of __android_log_is_loggable from ${TMPDIR}/${TARGET_LIB}"
 fi
 ui_print "Success to get virtual address of __android_log_is_loggable: ${TARGET_FUNC_VADDR}"
@@ -28,8 +34,8 @@ ui_print "Success to get virtual address of __android_log_is_loggable: ${TARGET_
 TARGET_FUNC_VADDR=$(printf "%ld" "0x${TARGET_FUNC_VADDR}")
 
 # parse liblog.so to get elf headers
-HEADERS=$(readelf -l "${TMPDIR}/${TARGET_LIB}" | sed '/Program Headers/,/Section to Segment mapping/!d;/Program Headers/d;/Section to Segment mapping/d')
-if [ -z "$HEADERS" ]; then
+HEADERS=$($READELF -l "${TMPDIR}/${TARGET_LIB}" | sed '/Program Headers/,/Section to Segment mapping/!d;/Program Headers/d;/Section to Segment mapping/d')
+if [ $? -ne 0 ] || [ -z "$HEADERS" ]; then
     abort "Failed to parse program headers from ${TMPDIR}/${TARGET_LIB}"
 fi
 
diff --git a/src/module.prop b/src/module.prop
index 8889a87..b49cc05 100644
--- a/src/module.prop
+++ b/src/module.prop
@@ -1,6 +1,6 @@
 id=logddisablerlite
 name=LogDisablerLite
-version=1.2
-versionCode=3
+version=1.3
+versionCode=4
 author=shizhx@github
 description=Disable Logging to logcat
\ No newline at end of file
diff --git a/src/toybox-aarch64 b/src/toybox-aarch64
new file mode 100755
index 0000000..fa92f06
Binary files /dev/null and b/src/toybox-aarch64 differ