diff --git a/bbootimg/src/main/kotlin/bootimg/Common.kt b/bbootimg/src/main/kotlin/bootimg/Common.kt
index bbeb3ec1..5817349b 100644
--- a/bbootimg/src/main/kotlin/bootimg/Common.kt
+++ b/bbootimg/src/main/kotlin/bootimg/Common.kt
@@ -17,7 +17,7 @@ package cfig.bootimg
 import cc.cfig.io.Struct
 import cfig.utils.EnvironmentVerifier
 import cfig.bootimg.cpio.AndroidCpio
-import cfig.utils.DTC
+import rom.fdt.DTC
 import cfig.helper.Helper
 import cfig.helper.ZipHelper
 import cfig.utils.KernelExtractor
@@ -179,10 +179,10 @@ class Common {
             return ret
         }
 
-        fun dumpDtb(s: Helper.Slice) {
+        fun dumpDtb(s: Helper.Slice, decompile: Boolean = true) {
             Helper.extractFile(s.srcFile, s.dumpFile, s.offset.toLong(), s.length)
             //extract DTB
-            if (EnvironmentVerifier().hasDtc) {
+            if (EnvironmentVerifier().hasDtc && decompile) {
                 DTC().decompile(s.dumpFile, s.dumpFile + "." + Helper.prop("config.dts_suffix"))
             }
         }
diff --git a/bbootimg/src/main/kotlin/bootimg/v2/BootV2.kt b/bbootimg/src/main/kotlin/bootimg/v2/BootV2.kt
index 1be764bc..79f6029c 100644
--- a/bbootimg/src/main/kotlin/bootimg/v2/BootV2.kt
+++ b/bbootimg/src/main/kotlin/bootimg/v2/BootV2.kt
@@ -24,7 +24,7 @@ import cfig.helper.Dumpling
 import cfig.helper.Helper
 import cfig.helper.ZipHelper
 import cfig.packable.VBMetaParser
-import cfig.utils.DTC
+import rom.fdt.DTC
 import cfig.utils.EnvironmentVerifier
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.github.freva.asciitable.HorizontalAlign
@@ -250,7 +250,7 @@ data class BootV2(
         }
         //dtb
         this.dtb?.let { _ ->
-            Common.dumpDtb(Helper.Slice(info.output, dtb!!.position.toInt(), dtb!!.size, dtb!!.file!!))
+            Common.dumpDtb(Helper.Slice(info.output, dtb!!.position.toInt(), dtb!!.size, dtb!!.file!!), false)
             this.dtb!!.dtbList = DTC.parseMultiple(dtb!!.file!!)
             log.info("dtb sz = " + this.dtb!!.dtbList.size)
             //dump info again
@@ -359,7 +359,7 @@ data class BootV2(
                     it.addRule()
                     it.addRow("dtb", theDtb.file)
                     prints.add(Pair("dtb", theDtb.file.toString()))
-                    if (File(theDtb.file + ".${dtsSuffix}").exists()) {
+                    if (File(theDtb.file + ".0.${dtsSuffix}").exists()) {
                         it.addRow("\\-- decompiled dts [$dtbCount]", theDtb.file + ".*.${dtsSuffix}")
                         prints.add(Pair("\\-- decompiled dts [$dtbCount]", theDtb.file + ".*.${dtsSuffix}"))
                     }
@@ -456,7 +456,7 @@ data class BootV2(
         }
         //refresh dtb size
         dtb?.let { theDtb ->
-            if (File(theDtb.file!! + ".${dtsSuffix}").exists()) {
+            if (File(theDtb.file!! + ".0.${dtsSuffix}").exists()) {
                 DTC.packMultiple(theDtb.file!!, theDtb.dtbList)
             }
             theDtb.size = File(theDtb.file!!).length().toInt()
diff --git a/bbootimg/src/main/kotlin/bootimg/v3/VendorBoot.kt b/bbootimg/src/main/kotlin/bootimg/v3/VendorBoot.kt
index e69704e3..c655eee0 100644
--- a/bbootimg/src/main/kotlin/bootimg/v3/VendorBoot.kt
+++ b/bbootimg/src/main/kotlin/bootimg/v3/VendorBoot.kt
@@ -24,7 +24,7 @@ import cfig.helper.Dumpling
 import cfig.helper.Helper
 import cfig.helper.ZipHelper
 import cfig.packable.VBMetaParser
-import cfig.utils.DTC
+import rom.fdt.DTC
 import cfig.utils.EnvironmentVerifier
 import com.fasterxml.jackson.databind.ObjectMapper
 import de.vandermeer.asciitable.AsciiTable
@@ -258,7 +258,7 @@ data class VendorBoot(
             }
         }
         //update dtb
-        if (File(this.dtb.file + ".${dtsSuffix}").exists()) {
+        if (File(this.dtb.file + ".0.${dtsSuffix}").exists()) {
             DTC.packMultiple(this.dtb.file, this.dtb.dtbList)
         }
         this.dtb.size = File(this.dtb.file).length().toInt()
@@ -368,7 +368,7 @@ data class VendorBoot(
         }
         //dtb
         run {
-            C.dumpDtb(Helper.Slice(info.output, dtb.position.toInt(), dtb.size, dtb.file))
+            C.dumpDtb(Helper.Slice(info.output, dtb.position.toInt(), dtb.size, dtb.file), false)
             if (dtb.size > 0) {
                 dtb.dtbList = DTC.parseMultiple(dtb.file)
                 DTC.extractMultiple(dtb.file, dtb.dtbList)
@@ -438,7 +438,7 @@ data class VendorBoot(
             if (this.dtb.size > 0) {
                 it.addRow("dtb", this.dtb.file)
                 prints.add(Pair("dtb", this.dtb.file))
-                if (File(this.dtb.file + ".${dtsSuffix}").exists()) {
+                if (File(this.dtb.file + ".0.${dtsSuffix}").exists()) {
                     it.addRow("\\-- decompiled dts [${dtb.dtbList.size}]", dtb.file + "*.${dtsSuffix}")
                     prints.add(Pair("\\-- decompiled dts [${dtb.dtbList.size}]", dtb.file + "*.${dtsSuffix}"))
                 }
diff --git a/bbootimg/src/main/kotlin/packable/BootImgParser.kt b/bbootimg/src/main/kotlin/packable/BootImgParser.kt
index 1733b42d..af71f503 100644
--- a/bbootimg/src/main/kotlin/packable/BootImgParser.kt
+++ b/bbootimg/src/main/kotlin/packable/BootImgParser.kt
@@ -20,12 +20,13 @@ import cfig.bootimg.v2.BootV2
 import cfig.bootimg.v2.BootV2Dialects
 import cfig.bootimg.v3.BootV3
 import cfig.helper.Helper
-import cfig.helper.Helper.Companion.deleteIfExists
 import com.fasterxml.jackson.databind.ObjectMapper
 import de.vandermeer.asciitable.AsciiTable
 import org.slf4j.LoggerFactory
 import java.io.File
 import java.io.FileInputStream
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class BootImgParser : IPackable {
     override val loopNo: Int
@@ -142,7 +143,7 @@ class BootImgParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".clear", ".google", ".clear", ".signed", ".signed2").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
         VBMetaParser().clear("vbmeta.img")
     }
diff --git a/bbootimg/src/main/kotlin/packable/DeviceTreeParser.kt b/bbootimg/src/main/kotlin/packable/DeviceTreeParser.kt
index cccc9fd6..6bcc8343 100644
--- a/bbootimg/src/main/kotlin/packable/DeviceTreeParser.kt
+++ b/bbootimg/src/main/kotlin/packable/DeviceTreeParser.kt
@@ -4,11 +4,12 @@ import cfig.bootimg.Common
 import cfig.helper.Helper
 import cfig.helper.Helper.Companion.check_call
 import cfig.helper.Helper.Companion.check_output
-import cfig.helper.Helper.Companion.deleteIfExists
 import cfig.packable.IPackable
-import cfig.utils.DTC
 import org.slf4j.LoggerFactory
+import rom.fdt.DTC
 import java.io.File
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class DeviceTreeParser : IPackable {
     override fun capabilities(): List<String> {
@@ -74,7 +75,7 @@ class DeviceTreeParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".new").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
     }
 
diff --git a/bbootimg/src/main/kotlin/packable/DtboParser.kt b/bbootimg/src/main/kotlin/packable/DtboParser.kt
index f1e3c39c..1613c3b8 100644
--- a/bbootimg/src/main/kotlin/packable/DtboParser.kt
+++ b/bbootimg/src/main/kotlin/packable/DtboParser.kt
@@ -15,17 +15,18 @@
 package cfig.packable
 
 import cfig.helper.Helper
-import cfig.helper.Helper.Companion.deleteIfExists
-import cfig.utils.DTC
 import cfig.utils.EnvironmentVerifier
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.apache.commons.exec.CommandLine
 import org.apache.commons.exec.DefaultExecutor
 import org.slf4j.LoggerFactory
-import utils.Dtbo
+import rom.fdt.DTC
+import rom.fdt.Dtbo
 import java.io.File
 import java.io.FileInputStream
 import java.util.*
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class DtboParser(val workDir: File) : IPackable {
     override val loopNo: Int
@@ -78,7 +79,7 @@ class DtboParser(val workDir: File) : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".clear", ".google", ".clear", ".signed", ".signed2").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
         VBMetaParser().clear("vbmeta.img")
     }
diff --git a/bbootimg/src/main/kotlin/packable/IPackable.kt b/bbootimg/src/main/kotlin/packable/IPackable.kt
index 82dd2405..3b2ee1b6 100644
--- a/bbootimg/src/main/kotlin/packable/IPackable.kt
+++ b/bbootimg/src/main/kotlin/packable/IPackable.kt
@@ -16,14 +16,15 @@ package cfig.packable
 
 import avb.AVBInfo
 import cfig.Avb
-import cfig.helper.Helper
 import cfig.helper.Dumpling
+import cfig.helper.Helper
 import cfig.helper.Helper.Companion.check_call
 import cfig.helper.Helper.Companion.check_output
-import cfig.helper.Helper.Companion.deleteIfExists
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import java.io.File
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 interface IPackable {
     val loopNo: Int
@@ -79,7 +80,9 @@ interface IPackable {
             File(workDir).deleteRecursively()
         }
         File(workDir).mkdirs()
-        "uiderrors".deleteIfExists()
+        // java.nio.file.Files.deleteIfExists() will throw exception on Windows platform, so use java.io.File
+        // Caused by: java.nio.file.FileSystemException: uiderrors: The process cannot access the file because it is being used by another process
+        File("uiderrors").deleteOnExit()
     }
 
     companion object {
diff --git a/bbootimg/src/main/kotlin/packable/MiscImgParser.kt b/bbootimg/src/main/kotlin/packable/MiscImgParser.kt
index a8438680..bc0e50fd 100644
--- a/bbootimg/src/main/kotlin/packable/MiscImgParser.kt
+++ b/bbootimg/src/main/kotlin/packable/MiscImgParser.kt
@@ -15,12 +15,13 @@
 package cfig.packable
 
 import cfig.helper.Helper
-import rom.misc.MiscImage
-import cfig.helper.Helper.Companion.deleteIfExists
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.slf4j.LoggerFactory
+import rom.misc.MiscImage
 import java.io.File
 import java.io.RandomAccessFile
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class MiscImgParser : IPackable {
     override val loopNo: Int
@@ -78,7 +79,7 @@ class MiscImgParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".new").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
     }
 
diff --git a/bbootimg/src/main/kotlin/packable/PayloadBinParser.kt b/bbootimg/src/main/kotlin/packable/PayloadBinParser.kt
index 9fad30ae..a6fbd130 100644
--- a/bbootimg/src/main/kotlin/packable/PayloadBinParser.kt
+++ b/bbootimg/src/main/kotlin/packable/PayloadBinParser.kt
@@ -15,8 +15,9 @@
 package cfig.packable
 
 import cc.cfig.droid.ota.Payload
-import cfig.helper.Helper.Companion.deleteIfExists
 import org.slf4j.LoggerFactory
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class PayloadBinParser : IPackable {
     override val loopNo: Int = 0
@@ -47,7 +48,7 @@ class PayloadBinParser : IPackable {
 
     fun clear(fileName: String) {
         super.clear()
-        fileName.deleteIfExists()
+        Path(fileName).deleteIfExists()
     }
 
     override fun flash(fileName: String, deviceName: String) {
diff --git a/bbootimg/src/main/kotlin/packable/VBMetaParser.kt b/bbootimg/src/main/kotlin/packable/VBMetaParser.kt
index 1d1b84ac..761cbf8f 100644
--- a/bbootimg/src/main/kotlin/packable/VBMetaParser.kt
+++ b/bbootimg/src/main/kotlin/packable/VBMetaParser.kt
@@ -18,13 +18,14 @@ import avb.AVBInfo
 import cfig.Avb
 import cfig.helper.Dumpling
 import cfig.helper.Helper
-import cfig.helper.Helper.Companion.deleteIfExists
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.slf4j.LoggerFactory
 import java.io.File
 import java.nio.file.Files
 import java.nio.file.Paths
 import java.nio.file.StandardOpenOption
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class VBMetaParser : IPackable {
     override val loopNo: Int
@@ -66,7 +67,7 @@ class VBMetaParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".signed").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
     }
 
diff --git a/bbootimg/src/main/kotlin/packable/VendorBootParser.kt b/bbootimg/src/main/kotlin/packable/VendorBootParser.kt
index 23ed6c6f..2aeb85b7 100644
--- a/bbootimg/src/main/kotlin/packable/VendorBootParser.kt
+++ b/bbootimg/src/main/kotlin/packable/VendorBootParser.kt
@@ -15,10 +15,11 @@
 package cfig.packable
 
 import cfig.bootimg.v3.VendorBoot
-import cfig.helper.Helper.Companion.deleteIfExists
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.slf4j.LoggerFactory
 import java.io.File
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class VendorBootParser : IPackable {
     override val loopNo: Int = 0
@@ -59,7 +60,7 @@ class VendorBootParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".clear", ".google", ".clear", ".signed", ".signed2").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
         VBMetaParser().clear("vbmeta.img")
     }
diff --git a/bbootimg/src/main/kotlin/utils/DTC.kt b/bbootimg/src/main/kotlin/rom/fdt/DTC.kt
similarity index 96%
rename from bbootimg/src/main/kotlin/utils/DTC.kt
rename to bbootimg/src/main/kotlin/rom/fdt/DTC.kt
index e4455f73..7387e365 100644
--- a/bbootimg/src/main/kotlin/utils/DTC.kt
+++ b/bbootimg/src/main/kotlin/rom/fdt/DTC.kt
@@ -12,11 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package cfig.utils
+package rom.fdt
 
 import cc.cfig.io.Struct
 import cfig.helper.Dumpling
 import cfig.helper.Helper
+import cfig.utils.EnvironmentVerifier
 import org.apache.commons.exec.CommandLine
 import org.apache.commons.exec.DefaultExecutor
 import org.slf4j.LoggerFactory
@@ -34,7 +35,7 @@ class DTC {
     )
 
     data class FdtHeader(
-        var magic: Int = 0,
+        var magic: Long = 0L,
         val totalsize: Int = 0,
         val offDtStruct: Int = 0,
         val offDtStrings: Int = 0,
@@ -47,7 +48,7 @@ class DTC {
     ) {
         companion object {
             private const val MAGIC = 0xd00dfeedu
-            const val FORMAT_STRING = ">10i"
+            const val FORMAT_STRING = ">I9i"
             const val SIZE = 40
 
             init {
@@ -58,7 +59,7 @@ class DTC {
             fun parse(iS: InputStream): FdtHeader {
                 val info = Struct(FORMAT_STRING).unpack(iS)
                 val ret = FdtHeader(
-                    info[0] as Int,
+                    (info[0] as UInt).toLong(),
                     info[1] as Int,
                     info[2] as Int,
                     info[3] as Int,
@@ -150,9 +151,9 @@ class DTC {
             }
             val remainder = File(fileName).length() - ret.sumOf { it.header.totalsize }.toLong()
             if (remainder == 0L) {
-                log.info("Successfully parsed ${ret.size} FDT headers")
+                log.info("Successfully parsed ${ret.size} FDT headers from $fileName")
             } else {
-                log.warn("Successfully parsed ${ret.size} FDT headers, remainder: $remainder bytes")
+                log.warn("Successfully parsed ${ret.size} FDT headers from $fileName, remainder: $remainder bytes")
             }
             return ret
         }
diff --git a/bbootimg/src/main/kotlin/utils/Dtbo.kt b/bbootimg/src/main/kotlin/rom/fdt/Dtbo.kt
similarity index 96%
rename from bbootimg/src/main/kotlin/utils/Dtbo.kt
rename to bbootimg/src/main/kotlin/rom/fdt/Dtbo.kt
index f8390f0b..2a8c0187 100644
--- a/bbootimg/src/main/kotlin/utils/Dtbo.kt
+++ b/bbootimg/src/main/kotlin/rom/fdt/Dtbo.kt
@@ -1,4 +1,4 @@
-package utils
+package rom.fdt
 
 import avb.AVBInfo
 import cc.cfig.io.Struct
@@ -8,7 +8,6 @@ import cfig.bootimg.Signer
 import cfig.helper.Dumpling
 import cfig.helper.Helper
 import cfig.packable.VBMetaParser
-import cfig.utils.DTC
 import com.fasterxml.jackson.databind.ObjectMapper
 import de.vandermeer.asciitable.AsciiTable
 import org.slf4j.LoggerFactory
@@ -59,8 +58,8 @@ class Dtbo(
             }
             totalSize = info[1] as Int
             headerSize = info[2] as Int
-            if (headerSize != DtboHeader.SIZE) {
-                log.warn("headerSize $headerSize != ${DtboHeader.SIZE}")
+            if (headerSize != SIZE) {
+                log.warn("headerSize $headerSize != $SIZE")
             }
             entrySize = info[3] as Int
             if (entrySize != DeviceTreeTableEntry.SIZE) {
@@ -186,7 +185,7 @@ class Dtbo(
                 .toInt()
             // Part II - a
             for (index in 0 until dtEntries.size) {
-                DTC().compile("${outDir}dt/dt.${index}.${dtsSuffix}", "${outDir}dt/dt.${index}")
+                DTC().compile("${outDir}dt/dt.${index}.$dtsSuffix", "${outDir}dt/dt.${index}")
             }
             // Part II - b
             var offset = DtboHeader.SIZE + (header.entryCount * DeviceTreeTableEntry.SIZE)
@@ -221,7 +220,7 @@ class Dtbo(
             it.addRow("image info", outDir + info.output.removeSuffix(".img") + ".json")
             it.addRule()
             it.addRow("device-tree blob   (${this.header.entryCount} blobs)", "${outDir}dt/dt.*")
-            it.addRow("\\-- device-tree source ", "${outDir}dt/dt.*.${dtsSuffix}")
+            it.addRow("\\-- device-tree source ", "${outDir}dt/dt.*.$dtsSuffix")
             it.addRule()
             it.addRow("AVB info", Avb.getJsonFileName(info.output))
             it.addRule()
diff --git a/bbootimg/src/main/kotlin/rom/sparse/SparseImgParser.kt b/bbootimg/src/main/kotlin/rom/sparse/SparseImgParser.kt
index d9a13486..492f4d11 100644
--- a/bbootimg/src/main/kotlin/rom/sparse/SparseImgParser.kt
+++ b/bbootimg/src/main/kotlin/rom/sparse/SparseImgParser.kt
@@ -14,20 +14,16 @@
 
 package rom.sparse
 
-import avb.AVBInfo
 import avb.blob.Footer
-import cfig.Avb
-import cfig.bootimg.Common.Companion.deleleIfExists
-import cfig.helper.Dumpling
 import cfig.helper.Helper
-import cfig.helper.Helper.Companion.deleteIfExists
 import cfig.packable.IPackable
 import cfig.packable.VBMetaParser
 import com.fasterxml.jackson.databind.ObjectMapper
-import de.vandermeer.asciitable.AsciiTable
 import org.slf4j.LoggerFactory
 import java.io.File
 import java.io.FileInputStream
+import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class SparseImgParser : IPackable {
     override val loopNo: Int
@@ -87,7 +83,7 @@ class SparseImgParser : IPackable {
     fun clear(fileName: String) {
         super.clear()
         listOf("", ".clear", ".signed").forEach {
-            "$fileName$it".deleteIfExists()
+            Path("$fileName$it").deleteIfExists()
         }
         VBMetaParser().clear("vbmeta.img")
     }
diff --git a/bbootimg/src/test/kotlin/rom/fdt/DTCTest.kt b/bbootimg/src/test/kotlin/rom/fdt/DTCTest.kt
new file mode 100644
index 00000000..089cf90b
--- /dev/null
+++ b/bbootimg/src/test/kotlin/rom/fdt/DTCTest.kt
@@ -0,0 +1,30 @@
+package rom.fdt
+
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import kotlin.io.path.createTempFile
+import kotlin.io.path.deleteIfExists
+import kotlin.io.path.writeBytes
+
+class DTCTest {
+    private lateinit var tempFile :java.nio.file.Path
+
+    @Before
+    fun before() {
+        tempFile = createTempFile()
+        val dtbData = this::class.java.classLoader.getResourceAsStream("multiple_DT.dtb")!!.readAllBytes()
+        tempFile.writeBytes(dtbData)
+    }
+
+    @After
+    fun after() {
+        tempFile.deleteIfExists()
+    }
+
+    @Test
+    fun doIt() {
+        val dtbList = DTC.parseMultiple(tempFile.toAbsolutePath().toString())
+        check(dtbList.size == 4)
+    }
+}
diff --git a/bbootimg/src/test/resources/multiple_DT.dtb b/bbootimg/src/test/resources/multiple_DT.dtb
new file mode 100644
index 00000000..77c49d69
Binary files /dev/null and b/bbootimg/src/test/resources/multiple_DT.dtb differ
diff --git a/doc/Pixel8_vbmeta.png b/doc/Pixel8_vbmeta.png
new file mode 100644
index 00000000..7b7b20ff
Binary files /dev/null and b/doc/Pixel8_vbmeta.png differ
diff --git a/helper/src/main/kotlin/cfig/helper/Helper.kt b/helper/src/main/kotlin/cfig/helper/Helper.kt
index b76f9ae5..2712a75e 100644
--- a/helper/src/main/kotlin/cfig/helper/Helper.kt
+++ b/helper/src/main/kotlin/cfig/helper/Helper.kt
@@ -179,13 +179,6 @@ class Helper {
             log.info("Dumping data to $dumpFile done")
         }
 
-        fun String.deleteIfExists() {
-            if (File(this).exists()) {
-                log.info("deleting $this")
-                File(this).delete()
-            }
-        }
-
         fun String.check_call(inWorkdir: String? = null): Boolean {
             val ret: Boolean
             try {
diff --git a/integrationTest.py b/integrationTest.py
index 9da95e44..4daf5a27 100755
--- a/integrationTest.py
+++ b/integrationTest.py
@@ -190,6 +190,8 @@ def main():
         verifySingleDir(resDir3, "issue_133_repack_ext4")
     else:
         log.info("sparse image is not supported on OS other than Linux, skip testing")
+    # Issue 134: multiple DTs
+    verifySingleDir(resDir3, "issue_134_multiple_DTs")
 
     log.info(successLogo)
 
diff --git a/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/Pidstat.kt b/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/Pidstat.kt
index 0a059b77..697de385 100644
--- a/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/Pidstat.kt
+++ b/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/Pidstat.kt
@@ -1,6 +1,5 @@
 package cfig.lazybox.sysinfo
 
-import cfig.helper.Helper.Companion.deleteIfExists
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.slf4j.LoggerFactory
 import java.io.File
@@ -8,6 +7,7 @@ import java.nio.file.Files
 import java.nio.file.attribute.FileAttribute
 import java.nio.file.attribute.PosixFilePermissions
 import kotlin.io.path.Path
+import kotlin.io.path.deleteIfExists
 
 class Pidstat {
     data class Cfg(
@@ -63,13 +63,13 @@ class Pidstat {
                     val permissions: FileAttribute<*> = PosixFilePermissions.asFileAttribute(ownerWritable)
 
                     String.format(outFile, 1).let {
-                        it.deleteIfExists()
+                        Path(it).deleteIfExists()
                         Files.createFile(Path(it), permissions)
                         File(it).writeText("#!/bin/bash\nset -x\n$cmd1\n")
                         log.info("$it is ready")
                     }
                     String.format(outFile, 2).let {
-                        it.deleteIfExists()
+                        Path(it).deleteIfExists()
                         if (run2) {
                             Files.createFile(Path(it), permissions)
                             File(it).writeText("#!/bin/bash\necho $cmd2\n$cmd2\n")
diff --git a/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/SysInfo.kt b/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/SysInfo.kt
index 67bf4318..0df04195 100644
--- a/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/SysInfo.kt
+++ b/lazybox/src/main/kotlin/cfig/lazybox/sysinfo/SysInfo.kt
@@ -2,7 +2,6 @@ package cfig.lazybox.sysinfo
 
 import cfig.helper.Helper
 import cfig.helper.Helper.Companion.check_call
-import cfig.helper.Helper.Companion.deleteIfExists
 import cfig.helper.ZipHelper
 import org.slf4j.LoggerFactory
 import java.io.File
@@ -10,6 +9,7 @@ import java.io.FileOutputStream
 import java.io.OutputStream
 import java.nio.file.Files
 import java.nio.file.Paths
+import kotlin.io.path.Path
 import kotlin.io.path.deleteIfExists
 import kotlin.io.path.writeText
 
@@ -63,7 +63,7 @@ makeTar("%s", "%s")
     fun run() {
         "adb wait-for-device".check_call()
         "adb root".check_call()
-        "sysinfo.tar".deleteIfExists()
+        Path("sysinfo.tar").deleteIfExists()
         val prefix = "sysinfo"
         File("sysinfo").let {
             if (it.exists()) {
diff --git a/lazybox/src/test/kotlin/cfig/lazybox/sysinfo/CpuInfoTest.kt b/lazybox/src/test/kotlin/cfig/lazybox/sysinfo/CpuInfoTest.kt
deleted file mode 100644
index e5bdc283..00000000
--- a/lazybox/src/test/kotlin/cfig/lazybox/sysinfo/CpuInfoTest.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package cfig.lazybox.sysinfo
-
-import org.junit.jupiter.api.Test
-
-import org.junit.jupiter.api.Assertions.*
-import java.io.File
-
-class CpuInfoTest {
-
-    @Test
-    fun probeInfo() {
-        CpuInfo.construct()
-    }
-}
\ No newline at end of file
diff --git a/src/integrationTest/resources b/src/integrationTest/resources
index c2e5850a..24b0660f 160000
--- a/src/integrationTest/resources
+++ b/src/integrationTest/resources
@@ -1 +1 @@
-Subproject commit c2e5850a225bd765fa45b6c628106a82aee2a66f
+Subproject commit 24b0660fb6859fe738599b1e0a1faf1aa9381613
diff --git a/src/integrationTest/resources_2 b/src/integrationTest/resources_2
index b5906e9a..106cacec 160000
--- a/src/integrationTest/resources_2
+++ b/src/integrationTest/resources_2
@@ -1 +1 @@
-Subproject commit b5906e9ac69e0de09d8380b3f3409ed336017262
+Subproject commit 106cacece826ef18b67117118a37ff034ec72f61
diff --git a/src/integrationTest/resources_3 b/src/integrationTest/resources_3
index 631af3d1..4ed25ab4 160000
--- a/src/integrationTest/resources_3
+++ b/src/integrationTest/resources_3
@@ -1 +1 @@
-Subproject commit 631af3d1c11343c0a2df1d044cabd44e78fdf865
+Subproject commit 4ed25ab4b19cacc8f65753cd35fb4978fdb7229f