diff --git a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
index e76122f132d45df3911ee9347b055592d74a70fd..cbd4b0f15b4c1de29717f0923773033f731489b6 100644
--- a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
@@ -3,19 +3,18 @@ package com.duolebo.blyrobot
 import android.app.Activity
 import android.content.Context
 import android.content.Intent
+import android.os.Build
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.util.Log
-import android.view.View
-import android.widget.Button
-import android.widget.Toast
+import android.widget.*
 import com.duolebo.blyrobot.activity.PackageListActivity
 import com.duolebo.blyrobot.data.ApkPackageInfo
 import com.duolebo.blyrobot.service.BylWebService
 import com.duolebo.blyrobot.util.AppUtil
+import com.duolebo.blyrobot.util.Constants
 import com.minhui.vpn.ProxyConfig
 import com.minhui.vpn.VPNConstants.*
-import com.minhui.vpn.service.FirewallVpnService
 import com.minhui.vpn.utils.ThreadProxy
 import com.minhui.vpn.utils.VpnServiceHelper
 import com.minhui.vpn.utils.VpnServiceHelper.START_VPN_SERVICE_REQUEST_CODE
@@ -53,10 +52,29 @@ class MainActivity : AppCompatActivity() {
             selectApp()
         }
 
-        captureButton = findViewById(R.id.captureButton)
+        captureButton = findViewById(R.id.captureBtn)
         captureButton.setOnClickListener {
             runOrStopCapture()
         }
+
+        val clearBtn = findViewById<Button>(R.id.clearBtn)
+        clearBtn.setOnClickListener {
+            clearHistoryData()
+        }
+
+        initCheckbox()
+
+        val webUrlText = findViewById<TextView>(R.id.webUrl)
+        webUrlText.text = "启动抓取后请在浏览器打开：\nhttp://" + AppUtil.getIPAddress(true, null) + ":48080"
+    }
+
+    private fun initCheckbox() {
+        val checkbox = findViewById<CheckBox>(R.id.videoCheckbox)
+        val sp = getSharedPreferences(VPN_SP_NAME, Context.MODE_PRIVATE)
+        checkbox.isChecked = sp.getBoolean(Constants.ONLY_VIDEO, false)
+        checkbox.setOnCheckedChangeListener { _, isChecked ->
+            sp.edit().putBoolean(Constants.ONLY_VIDEO, isChecked).apply()
+        }
     }
 
     override fun onResume() {
@@ -80,7 +98,11 @@ class MainActivity : AppCompatActivity() {
 
     private fun runOrStopCapture() {
         if (VpnServiceHelper.vpnRunningStatus()) {
-//            stopService(Intent(this, BylWebService::class.java))
+            // 由于5.0以下系统无法控制抓取规则，所以停止抓取之后才能通过web查看
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                stopService(Intent(this, BylWebService::class.java))
+            }
+
             VpnServiceHelper.changeVpnRunningStatus(this, false)
         }
         else {
diff --git a/app/src/main/java/com/duolebo/blyrobot/util/AppUtil.kt b/app/src/main/java/com/duolebo/blyrobot/util/AppUtil.kt
index add1da67953b63ed44de13a6ed30e901dd442b16..89cb617598bd2fbe3b3a9c87c5d5e87991371ed8 100644
--- a/app/src/main/java/com/duolebo/blyrobot/util/AppUtil.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/util/AppUtil.kt
@@ -1,7 +1,12 @@
 package com.duolebo.blyrobot.util
 
+import android.text.TextUtils
 import java.io.File
 import java.io.FileFilter
+import java.net.Inet4Address
+import java.net.InetAddress
+import java.net.NetworkInterface
+import java.util.*
 
 object AppUtil {
     fun deleteFile(file: File?, fileFilter: FileFilter) {
@@ -25,4 +30,35 @@ object AppUtil {
         }
         file.delete()
     }
+
+    fun getIPAddress(useIPv4: Boolean, interfaceName: String?): String {
+        try {
+            val interfaces = Collections.list(NetworkInterface.getNetworkInterfaces())
+            for (intf in interfaces) {
+                if (!TextUtils.isEmpty(interfaceName) && intf.name != interfaceName) {
+                    continue
+                }
+                val addrs = Collections.list(intf.inetAddresses)
+                for (addr in addrs) {
+                    if (!addr.isLoopbackAddress) {
+                        val sAddr = addr.hostAddress.toUpperCase()
+                        //                        boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
+                        val isIPv4 = addr is Inet4Address //Since API-23 InetAddressUtils was removed
+                        if (useIPv4) {
+                            if (isIPv4)
+                                return sAddr
+                        } else {
+                            if (!isIPv4) {
+                                val delim = sAddr.indexOf('%') // drop ip6 port suffix
+                                return if (delim < 0) sAddr else sAddr.substring(0, delim)
+                            }
+                        }
+                    }
+                }
+            }
+        } catch (ex: Exception) {
+        }
+        // for now eat exceptions
+        return ""
+    }
 }
\ No newline at end of file
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 11180993d46237c4571729dfa2ecee62e2b65f65..3b2d687ad4517e52abe44b212396f4855e750d25 100644
--- a/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/util/Constants.kt
@@ -22,4 +22,7 @@ object Constants {
             "ok" to "23",
             "back" to "4",
             "mute" to "164")
+
+    const val ONLY_VIDEO = "only_video"
+    val VIDEO_EXTS = "m3u8|.ts|.mp4|.rmvb|.mkv|.wmv"
 }
\ 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 c12348b9eb4bcc8599ac382a96abba58e8339b70..0624ec0d7b78c001d9c6bba5abb89cffb13e0b8a 100644
--- a/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/web/CaptureWebServer.kt
@@ -1,6 +1,7 @@
 package com.duolebo.blyrobot.web
 
 import android.content.Context
+import com.duolebo.blyrobot.util.Constants
 import com.minhui.vpn.ProxyConfig
 import com.minhui.vpn.VPNConstants
 import com.minhui.vpn.VPNConstants.DEFAULT_PACKAGE_ID
@@ -71,6 +72,7 @@ class CaptureWebServer : NanoHTTPD {
 
         val sp = context.getSharedPreferences(VPNConstants.VPN_SP_NAME, Context.MODE_PRIVATE)
         val selectPackage = sp.getString(DEFAULT_PACKAGE_ID, null)
+        val onlyVideo = sp.getBoolean(Constants.ONLY_VIDEO, false)
         while (iterator.hasNext()) {
             val next = iterator.next()
             if (next.bytesSent == 0 && next.receiveByteNum == 0L) {
@@ -82,6 +84,11 @@ class CaptureWebServer : NanoHTTPD {
                 continue
             }
 
+            if (onlyVideo && !(next.getRequestUrl().contains(".ts") || next.getRequestUrl().contains("m3u8"))) {
+                iterator.remove()
+                continue
+            }
+
             val appInfo = next.appInfo
 
             if (appInfo != null) {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 1b20f116b94a20a33918c93755dfeb8f5f1c55cf..169a3886fb182e378b03841e62be6089140fefdb 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -5,20 +5,43 @@
     android:layout_height="match_parent"
     android:layout_width="match_parent">
 
-    <Button
-        android:id="@+id/selectBtn"
+    <LinearLayout
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="选择App抓包"
-        android:layout_centerInParent="true"/>
+        android:orientation="vertical"
+        android:layout_centerInParent="true">
+        <Button
+            android:id="@+id/selectBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="选择目标App"/>
 
-    <Button
-        android:id="@+id/captureButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:layout_centerHorizontal="true"
-        android:layout_below="@+id/selectBtn"
-        android:text="开始抓包"/>
+        <Button
+            android:id="@+id/captureBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="开始抓包"/>
+
+        <CheckBox
+            android:id="@+id/videoCheckbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="只抓取视频"/>
+
+        <Button
+            android:id="@+id/clearBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="清除历史"/>
+
+        <TextView
+            android:id="@+id/webUrl"
+            android:layout_marginTop="10dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+    </LinearLayout>
 
 </RelativeLayout>
\ No newline at end of file