diff --git a/app/src/main/kotlin/ir/armor/tachidesk/Main.kt b/app/src/main/kotlin/ir/armor/tachidesk/Main.kt
index 1e78d99..213a79a 100644
--- a/app/src/main/kotlin/ir/armor/tachidesk/Main.kt
+++ b/app/src/main/kotlin/ir/armor/tachidesk/Main.kt
@@ -1,56 +1,64 @@
 package ir.armor.tachidesk
 
+import eu.kanade.tachiyomi.extension.api.ExtensionGithubApi
+import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.model.MangasPage
+import kotlinx.coroutines.runBlocking
 import okhttp3.Request
+import okio.BufferedSink
+import okio.buffer
+import okio.sink
 import rx.Observable
 import java.io.File
 import java.net.URL
 import java.net.URLClassLoader
+import kotlin.system.exitProcess
 
 class Main {
     companion object {
         @JvmStatic
         fun main(args: Array<String>) {
+            val contentRoot = "/tmp/tachidesk"
+            File(contentRoot).mkdirs()
+
             // get list of extensions
             var apkToDownload: String = ""
-//            runBlocking {
-//                val api = ExtensionGithubApi()
-//                apkToDownload = api.getApkUrl(api.findExtensions().first {
-//                    api.getApkUrl(it).endsWith("killsixbilliondemons-v1.2.3.apk")
-//                })
-//            }
+            runBlocking {
+                val api = ExtensionGithubApi()
+                apkToDownload = api.getApkUrl(api.findExtensions().first {
+                    api.getApkUrl(it).endsWith("killsixbilliondemons-v1.2.3.apk")
+                })
+            }
             apkToDownload = "https://raw.githubusercontent.com/inorichi/tachiyomi-extensions/repo/apk/tachiyomi-en.killsixbilliondemons-v1.2.3.apk"
             println(apkToDownload)
 
             val apkFileName = apkToDownload.split("/").last()
-            val apkFileDir = apkFileName.substringBefore(".apk")
-            val apkFileDirAbsolutePath = File("$apkFileDir.jar").absolutePath
+            val apkFilePath = "$contentRoot/$apkFileName"
+            val zipDirPath = apkFilePath.substringBefore(".apk")
+            val jarFilePath = "$contentRoot/$zipDirPath.jar"
 
-            val request = Request.Builder().url(apkToDownload)
-//                    .addHeader("Content-Type", "application/json")
-                    .build();
-//            val response = NetworkHelper().client.newCall(request).execute();
-//            println(response.code)
-//
-//            val downloadedFile = File(apkFileName)
-//            val sink: BufferedSink = downloadedFile.sink().buffer()
-//            sink.writeAll(response.body!!.source())
-//            sink.close()
+            val request = Request.Builder().url(apkToDownload).build()
+            val response = NetworkHelper().client.newCall(request).execute();
+            println(response.code)
 
-//            Runtime.getRuntime().exec("unzip $apkFileName -d $apkFileDir")
-//            Runtime.getRuntime().exec("dex2jar $apkFileDir/classes.dex -o $apkFileDir.jar")
+            val downloadedFile = File(apkFilePath)
+            val sink: BufferedSink = downloadedFile.sink().buffer()
+            sink.writeAll(response.body!!.source())
+            sink.close()
 
-            val child = URLClassLoader(arrayOf<URL>(URL("file:$apkFileDirAbsolutePath")), this.javaClass.classLoader)
+            Runtime.getRuntime().exec("unzip ${downloadedFile.absolutePath} -d $zipDirPath").waitFor()
+            Runtime.getRuntime().exec("dex2jar $zipDirPath/classes.dex -o $jarFilePath").waitFor()
+
+            val child = URLClassLoader(arrayOf<URL>(URL("file:$jarFilePath")), this.javaClass.classLoader)
             val classToLoad = Class.forName("eu.kanade.tachiyomi.extension.en.killsixbilliondemons.KillSixBillionDemons", true, child)
-//            val method = classToLoad.getDeclaredMethod("fetchPopularManga")
             val instance = classToLoad.newInstance() as CatalogueSource
-//            val result = method.invoke(instance, 1) as Observable<MangasPage>
             val result = instance.fetchPopularManga(1)
             val mangasPage = result.toBlocking().first() as MangasPage
             mangasPage.mangas.forEach{
                 println(it.title)
             }
+            exitProcess(0)
 
         }
     }