diff --git a/.gitignore b/.gitignore
index 7ae24427c21ceddfbe31b243b28695c3eba5bf82..315030c82712995245e2f40998be4706a34cdfa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,9 @@
-*.iml
 .gradle
 /local.properties
 /.idea
 .DS_Store
 /build
 /captures
-.externalNativeBuild
 ### Android template
 # Built application files
 *.apk
@@ -41,16 +39,6 @@ proguard/
 # Android Studio captures folder
 captures/
 
-# IntelliJ
-*.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/assetWizardSettings.xml
-.idea/dictionaries
-.idea/libraries
-.idea/caches
-
 # Keystore files
 # Uncomment the following line if you do not want to check your keystore files in.
 #*.jks
diff --git a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
index f241a51c68dff19a0b1612bfbf54bc6d773d1f4a..b59b02a82d9804e3d24d50422d1b48395a2281be 100644
--- a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
@@ -6,22 +6,46 @@ import android.support.v4.content.LocalBroadcastManager
 import android.support.v7.app.AppCompatActivity
 import android.util.Log
 import android.widget.Button
+import com.duolebo.blyrobot.service.BylRobotService
+import com.duolebo.blyrobot.util.Constants
 
 class MainActivity : AppCompatActivity() {
 
+    private val TAG = "MainActivity"
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        Log.i("", "onCreate....")
+        Log.i(TAG, "onCreate....")
         setContentView(R.layout.activity_main)
 
+        startRobotService()
+
         val startBtn = findViewById<Button>(R.id.startBtn)
         startBtn.setOnClickListener{
+            startRobot()
+        }
+
+        val stopBtn = findViewById<Button>(R.id.stopBtn)
+        stopBtn.setOnClickListener{
+            stopRobot()
         }
+        startBtn.requestFocus()
+    }
+
+    private fun startRobotService() {
+        startService(Intent(this, BylRobotService::class.java))
     }
 
     private fun startRobot() {
-        val intent = Intent()
+        Log.i(TAG, "startRobot...")
+        val intent = Intent(Constants.ACTION_LOCAL_SERVICE)
+        intent.putExtra(Constants.KEY_CMD, Constants.CMD_START)
+        LocalBroadcastManager.getInstance(this).sendBroadcast(intent)
+    }
+
+    private fun stopRobot() {
+        val intent = Intent(Constants.ACTION_LOCAL_SERVICE)
+        intent.putExtra(Constants.KEY_CMD,  Constants.CMD_STOP)
         LocalBroadcastManager.getInstance(this).sendBroadcast(intent)
     }
 
diff --git a/app/src/main/java/com/duolebo/blyrobot/data/Task.kt b/app/src/main/java/com/duolebo/blyrobot/data/Task.kt
index 38f5e4fdf85e980727dd5c4a66e86af6c2119d6d..f85bf01cc77c8e5e779ddfff861f37931609aac3 100644
--- a/app/src/main/java/com/duolebo/blyrobot/data/Task.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/data/Task.kt
@@ -20,7 +20,7 @@ class Task {
     private var launchDelay = 15
     private var context: Context
     private val imageDateFormat = SimpleDateFormat("yyyy_MM_dd_HH_mm_ss", Locale.CHINA)
-    var proc: Process ?= null
+    var proc: Process? = null
 
     constructor(context: Context) {
         this.context = context
@@ -38,10 +38,14 @@ class Task {
 
     fun start() {
         this.launchApp()
+        stop()
     }
 
-    fun finish() {
+    fun stop() {
         AdbUtil.stopApp(this.packageName)
+        this.taskListener?.run {
+            onComplete()
+        }
     }
 
     fun launchApp(reset: Boolean = true) {
@@ -49,7 +53,7 @@ class Task {
             AdbUtil.resetApp(this.packageName)
         }
 
-        AdbUtil.launchApp("{$packageName}/{$launcher}")
+        AdbUtil.launchApp("$packageName/$launcher")
         Thread.sleep(launchDelay * 1000L)
     }
 
@@ -104,7 +108,7 @@ class Task {
 
     fun screenShot() {
         val time = imageDateFormat.format(Date())
-        val imagePath = this.imagePath + "/{$packageName}_$time.png"
+        val imagePath = this.imagePath + "/${packageName}_$time.png"
         AdbUtil.screenShot(imagePath)
     }
 
@@ -126,4 +130,10 @@ class Task {
         }
 
     }
+
+    var taskListener: OnTaskListener? = null
+
+    interface OnTaskListener {
+        fun onComplete()
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/duolebo/blyrobot/service/BylRobotService.kt b/app/src/main/java/com/duolebo/blyrobot/service/BylRobotService.kt
index 57584991102b33a880201375dd3356e0f848effa..84b8b6f279aa355a0944bd34756246be4f3ce9fa 100644
--- a/app/src/main/java/com/duolebo/blyrobot/service/BylRobotService.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/service/BylRobotService.kt
@@ -10,6 +10,7 @@ import android.os.IBinder
 import android.support.v4.content.LocalBroadcastManager
 import android.util.Log
 import com.duolebo.blyrobot.data.Task
+import com.duolebo.blyrobot.tools.TaskManager
 import com.duolebo.blyrobot.util.AdbUtil
 import com.duolebo.blyrobot.util.AppUtil
 import com.duolebo.blyrobot.util.Constants
@@ -22,17 +23,23 @@ class BylRobotService: Service() {
     private val TAG = "BylRobotService"
     private var timer: Timer? = null
     private var count = 0
-    private val tasks = ArrayList<Task>()
 
     private val broadcastReceiver = object : BroadcastReceiver() {
-        override fun onReceive(p0: Context?, p1: Intent?) {
-
+        override fun onReceive(p0: Context?, intent: Intent?) {
+            if (intent != null) {
+                val cmd = intent.getStringExtra(Constants.KEY_CMD)
+                when (cmd) {
+                    Constants.CMD_START -> loadTask()
+                    Constants.CMD_STOP -> stopTask()
+                }
+                loadTask()
+            }
         }
     }
 
     override fun onCreate() {
         super.onCreate()
-
+        initBroadcast()
         timer = Timer()
 
         timer!!.schedule(object: TimerTask() {
@@ -50,16 +57,22 @@ class BylRobotService: Service() {
     }
 
     private fun initBroadcast() {
-        val intentFilter = IntentFilter(Constants.BC_SERVICE)
+        Log.i(TAG, "initBroadcast...")
+        val intentFilter = IntentFilter(Constants.ACTION_LOCAL_SERVICE)
         LocalBroadcastManager.getInstance(this).registerReceiver(broadcastReceiver, intentFilter)
     }
 
     private fun loadTask() {
+        Log.i(TAG, "loadTask...")
         val task = Task(this)
         task.from(JSONObject(AppUtil.readFromAssert(this, "test.json")))
-        tasks.add(task)
+        TaskManager.instance.add(task)
+        TaskManager.instance.start()
     }
 
+    private fun stopTask() {
+        TaskManager.instance.stop()
+    }
 
     private fun screenShot() {
         Thread(Runnable {
diff --git a/app/src/main/java/com/duolebo/blyrobot/tools/TaskManager.kt b/app/src/main/java/com/duolebo/blyrobot/tools/TaskManager.kt
index f94e6aa9790e8faf4838a042cd93f884a6a524dd..21ed06bae20be8f443ccb737f85e006c2e8f3ca1 100644
--- a/app/src/main/java/com/duolebo/blyrobot/tools/TaskManager.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/tools/TaskManager.kt
@@ -1,12 +1,28 @@
 package com.duolebo.blyrobot.tools
 
+import android.util.Log
 import com.duolebo.blyrobot.data.Task
 import kotlin.collections.ArrayList
 
 class TaskManager {
+    private val TAG = "TaskManager"
     private val tasks = ArrayList<Task>()
+    private var isRunning = false
+    private var currentTask: Task ?= null
+
+    private val runnable = Runnable {
+        while (isRunning && tasks.size > 0) {
+            currentTask = tasks[0]
+            currentTask!!.start()
+        }
+    }
 
     fun add(task: Task) {
+        task.taskListener = object : Task.OnTaskListener {
+            override fun onComplete() {
+                remove(task)
+            }
+        }
         this.tasks.add(task)
     }
 
@@ -29,10 +45,21 @@ class TaskManager {
     }
 
     fun start() {
-
+        if (this.isRunning) {
+            Log.i(TAG, "is running")
+            return
+        }
+        this.isRunning = true
+        val t =  Thread(runnable)
+        t.start()
     }
 
     fun stop() {
+        this.tasks.clear()
+        this.isRunning = false
+    }
 
+    companion object {
+        val instance = TaskManager()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/duolebo/blyrobot/util/AdbUtil.kt b/app/src/main/java/com/duolebo/blyrobot/util/AdbUtil.kt
index f2013917c17d13cdf2d97fa3d70aaa0a6103d88b..ca33a49aea07f49b2e986555223accc1dc870b32 100644
--- a/app/src/main/java/com/duolebo/blyrobot/util/AdbUtil.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/util/AdbUtil.kt
@@ -247,11 +247,11 @@ object AdbUtil {
     }
 
     fun resetApp(packageName: String) {
-        exeCmdEcho("pm clear $packageName")
+        exeCmdEcho("pm clear $packageName", true)
     }
 
     fun launchApp(launchInfo: String) {
-        exeCmdEcho("am start -n $launchInfo")
+        exeCmdEcho("am start -n $launchInfo", true)
     }
 
     fun stopApp(packageName: String) {
diff --git a/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt b/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt
index 53db088469be81fed68d1d6eee996105e998e482..e25bb8933e684ea3536b52c311416d07119973eb 100644
--- a/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt
@@ -1,8 +1,12 @@
 package com.duolebo.blyrobot.util
 
 object Constants {
-    val KEY_URL = "url"
-    val KEY_TIME = "time"
+    const val KEY_URL = "url"
+    const val KEY_TIME = "time"
+    const val KEY_CMD = "cmd"
+
+    const val CMD_START = "start"
+    const val CMD_STOP = "stop"
 
     val KEY_MAP = mapOf(
             "0" to "7",
@@ -34,5 +38,5 @@ object Constants {
     const val LAUNCHER = "launcher"
     const val LAUNCH_DELAY = "launchDelay"
 
-    const val BC_SERVICE = "broadcast_service"
+    const val ACTION_LOCAL_SERVICE = "action_local_service"
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt b/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt
index 0624ec0d7b78c001d9c6bba5abb89cffb13e0b8a..98a6e12012d147013e5f74017d4ee18346fdb929 100644
--- a/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt
@@ -92,7 +92,7 @@ class CaptureWebServer : NanoHTTPD {
             val appInfo = next.appInfo
 
             if (appInfo != null) {
-                val appPackageName = appInfo!!.pkgs.getAt(0)
+                val appPackageName = appInfo.pkgs.getAt(0)
                 if (packageName == appPackageName) {
                     iterator.remove()
                     continue
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 8fcc74fb570e77289747578cca16e7877f25c214..cd6462964329f4d954b6affdedbf7f4382dc0abe 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -15,6 +15,13 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="启动"/>
+
+        <Button
+            android:id="@+id/stopBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="停止"/>
     </LinearLayout>
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 00f1c1f62242ccb738f19a73ba34c7a1583ad047..78b9d0bf053b7f4056f4e97c88e583a1b1bad029 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.61'
+    ext.kotlin_version = '1.2.71'
     repositories {
         google()
         jcenter()
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e2ee29e1d99a2a6dd7f50d227299222c9a7c40b6..09bc3aea2c131c8ecba90f6d9e8e8e9199afca22 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
-#Mon Jul 09 10:52:01 CST 2018
+#Tue Sep 25 09:27:36 CST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
-android.enableBuildCache = false
\ No newline at end of file
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+android.enableBuildCache=false