diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/nvr/VideoNvrActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/nvr/VideoNvrActivity.kt
index e50b8b818..d47714b9e 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/nvr/VideoNvrActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/nvr/VideoNvrActivity.kt
@@ -87,8 +87,8 @@ class VideoNvrActivity : VideoBaseActivity(), DevsAdapter.OnItemClicked, XP2PCal
 
                 App.data.accessInfo?.let {
                     countDownLatch = CountDownLatch(1)
-                    var started = XP2P.startServiceWithXp2pInfo("${it.productId}/${devName}",
-                        it.productId, devName, "", 5)
+                    var started = XP2P.startServiceWithXp2pInfo(this@VideoNvrActivity, "${it.productId}/${devName}",
+                        it.productId, devName, "")
                     if (started != 0) return@launch
 
                     countDownLatch.await(5, TimeUnit.SECONDS)
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/playback/localPlayback/VideoLocalPlaybackFragment.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/playback/localPlayback/VideoLocalPlaybackFragment.kt
index 8b29d19d0..5011fb2e5 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/playback/localPlayback/VideoLocalPlaybackFragment.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/playback/localPlayback/VideoLocalPlaybackFragment.kt
@@ -619,9 +619,9 @@ class VideoLocalPlaybackFragment : VideoPlaybackBaseFragment(), TextureView.Surf
 
         Thread(Runnable {
             var id = "${App.data.accessInfo?.productId}/${devInfo?.DeviceName}"
-            var started = XP2P.startServiceWithXp2pInfo(
+            var started = XP2P.startServiceWithXp2pInfo(context,
                 id,
-                App.data.accessInfo?.productId, devInfo?.DeviceName, "",5
+                App.data.accessInfo?.productId, devInfo?.DeviceName, ""
             )
             if (started != 0) {
                 launch(Dispatchers.Main) {
@@ -663,11 +663,11 @@ class VideoLocalPlaybackFragment : VideoPlaybackBaseFragment(), TextureView.Surf
 
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
                 XP2P.stopService(id)
-                while (XP2P.startServiceWithXp2pInfo(
+                while (XP2P.startServiceWithXp2pInfo(context,
                         id,
                         App.data.accessInfo!!.productId,
                         devInfo?.DeviceName,
-                        "", 5
+                        ""
                     ) != 0
                 ) {
                     XP2P.stopService(id)
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoMultiPreviewActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoMultiPreviewActivity.kt
index bd382be2b..48fd5e60d 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoMultiPreviewActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoMultiPreviewActivity.kt
@@ -112,8 +112,8 @@ class VideoMultiPreviewActivity : VideoBaseActivity(), XP2PCallback, CoroutineSc
     private fun setPlayerSource(player: IjkMediaPlayer, devName: String, channel: Int) {
         Thread(Runnable {
             var id = "${App.data.accessInfo!!.productId}/${devName}"
-            var started = XP2P.startServiceWithXp2pInfo(id,
-                App.data.accessInfo!!.productId, devName, "", 5)
+            var started = XP2P.startServiceWithXp2pInfo(this@VideoMultiPreviewActivity, id,
+                App.data.accessInfo!!.productId, devName, "")
             // 已经启动过，或者第一次启动，继续进行
             if (started != 0 && started != -1011) {
                 launch(Dispatchers.Main) {
@@ -281,13 +281,13 @@ class VideoMultiPreviewActivity : VideoBaseActivity(), XP2PCallback, CoroutineSc
                 if (!playerHolder.keepAliveThreadRuning) break //锁被释放后，检查守护线程是否继续运行
 
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
-                var flag = XP2P.startServiceWithXp2pInfo(id, App.data.accessInfo!!.productId, playerHolder.devName, "", 5)
+                var flag = XP2P.startServiceWithXp2pInfo(this@VideoMultiPreviewActivity, id, App.data.accessInfo!!.productId, playerHolder.devName, "")
                 while (flag != 0 && flag != -1011) {
                     // XP2P.stopService(id)
                     synchronized(objectLock) {
                         objectLock.wait(1000)
                     }
-                    flag = XP2P.startServiceWithXp2pInfo(id, App.data.accessInfo!!.productId, playerHolder.devName, "", 5)
+                    flag = XP2P.startServiceWithXp2pInfo(this@VideoMultiPreviewActivity, id, App.data.accessInfo!!.productId, playerHolder.devName, "")
                 }
 
                 Log.d(tag, "index=${id!!}/${channel} keepPlayerplay countDownLatch wait ")
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
index 29d157d12..509e74135 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
@@ -146,8 +146,8 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
         }
 
         XP2P.setCallback(this)
-        XP2P.startService("${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
-            App.data.accessInfo!!.productId, presenter.getDeviceName(), 5
+        XP2P.startService(this@VideoPreviewActivity, "${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
+            App.data.accessInfo!!.productId, presenter.getDeviceName()
         )
 
         //实例化对象并设置监听器
@@ -217,7 +217,7 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
                 Log.d(tag, "====开始尝试重连...")
                 XP2P.stopService(id)
-                while (XP2P.startService(id, App.data.accessInfo!!.productId, presenter.getDeviceName(), 5)!=0
+                while (XP2P.startService(this@VideoPreviewActivity, id, App.data.accessInfo!!.productId, presenter.getDeviceName())!=0
                     || XP2P.setParamsForXp2pInfo(id, accessId, accessToken, "") != 0
                     || getDeviceStatus(id) != 0) {
                     XP2P.stopService(id)
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewMJPEGActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewMJPEGActivity.kt
index 545bab191..0ee0e2afb 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewMJPEGActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewMJPEGActivity.kt
@@ -142,8 +142,8 @@ class VideoPreviewMJPEGActivity : VideoBaseActivity(), EventView, TextureView.Su
         }
 
         XP2P.setCallback(this)
-        XP2P.startService("${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
-            App.data.accessInfo!!.productId, presenter.getDeviceName(), 5
+        XP2P.startService(this@VideoPreviewMJPEGActivity, "${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
+            App.data.accessInfo!!.productId, presenter.getDeviceName()
         )
 
         //实例化对象并设置监听器
@@ -213,7 +213,7 @@ class VideoPreviewMJPEGActivity : VideoBaseActivity(), EventView, TextureView.Su
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
                 Log.d(tag, "====开始尝试重连...")
                 XP2P.stopService(id)
-                while (XP2P.startService(id, App.data.accessInfo!!.productId, presenter.getDeviceName(), 5)!=0
+                while (XP2P.startService(this@VideoPreviewMJPEGActivity, id, App.data.accessInfo!!.productId, presenter.getDeviceName())!=0
                     || XP2P.setParamsForXp2pInfo(id, accessId, accessToken, "") != 0
                     || getDeviceStatus(id) != 0) {
                     XP2P.stopService(id)
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPushStreamActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPushStreamActivity.kt
index 4daff3da5..c19e03d58 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPushStreamActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPushStreamActivity.kt
@@ -127,8 +127,8 @@ class VideoPushStreamActivity : VideoBaseActivity(), EventView, TextureView.Surf
         }
 
         XP2P.setCallback(this)
-        XP2P.startService("${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
-            App.data.accessInfo!!.productId, presenter.getDeviceName(), 5
+        XP2P.startService(this@VideoPushStreamActivity, "${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
+            App.data.accessInfo!!.productId, presenter.getDeviceName()
         )
 
         holder = sv_camera_view.holder
@@ -220,7 +220,7 @@ class VideoPushStreamActivity : VideoBaseActivity(), EventView, TextureView.Surf
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
                 Log.d(tag, "====开始尝试重连...")
                 XP2P.stopService(id)
-                while (XP2P.startService(id, App.data.accessInfo!!.productId, presenter.getDeviceName(), 5)!=0
+                while (XP2P.startService(this@VideoPushStreamActivity, id, App.data.accessInfo!!.productId, presenter.getDeviceName())!=0
                     || XP2P.setParamsForXp2pInfo(id, accessId, accessToken, "") != 0
                     || getDeviceStatus(id) != 0) {
                     XP2P.stopService(id)
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoWithoutPropertyActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoWithoutPropertyActivity.kt
index c7bc99a36..a3d7a6ee2 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoWithoutPropertyActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoWithoutPropertyActivity.kt
@@ -151,8 +151,8 @@ class VideoWithoutPropertyActivity : VideoBaseActivity(), EventView, TextureView
         }
 
         XP2P.setCallback(this)
-        XP2P.startService("${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
-            App.data.accessInfo!!.productId, presenter.getDeviceName(), 5
+        XP2P.startService(this@VideoWithoutPropertyActivity, "${App.data.accessInfo!!.productId}/${presenter.getDeviceName()}",
+            App.data.accessInfo!!.productId, presenter.getDeviceName()
         )
 
         val wm = this.getSystemService(WINDOW_SERVICE) as WindowManager
@@ -257,7 +257,7 @@ class VideoWithoutPropertyActivity : VideoBaseActivity(), EventView, TextureView
                 // 发现断开尝试恢复视频，每隔一秒尝试一次
                 Log.d(tag, "====开始尝试重连...")
                 XP2P.stopService(id)
-                while (XP2P.startService(id, App.data.accessInfo!!.productId, presenter.getDeviceName(), 5)!=0
+                while (XP2P.startService(this@VideoWithoutPropertyActivity, id, App.data.accessInfo!!.productId, presenter.getDeviceName())!=0
                     || XP2P.setParamsForXp2pInfo(id, accessId, accessToken, "") != 0
                     || getDeviceStatus(id) != 0) {
                     XP2P.stopService(id)