diff --git a/sdk/video-link-android/build.gradle b/sdk/video-link-android/build.gradle
index e72b8f0d9..4241d0c4f 100644
--- a/sdk/video-link-android/build.gradle
+++ b/sdk/video-link-android/build.gradle
@@ -49,7 +49,7 @@ dependencies {
 //        changing = true
 //    }
     api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.3.5'
-//    api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.4.1-SNAPSHOT'
+//    api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.4.22-SNAPSHOT'
 }
 
 configurations.all {
diff --git a/sdkdemo/build.gradle b/sdkdemo/build.gradle
index 79191545f..40ebf5f7b 100644
--- a/sdkdemo/build.gradle
+++ b/sdkdemo/build.gradle
@@ -139,6 +139,7 @@ dependencies {
 
     implementation 'com.tencent.iot.thirdparty.android:ijkplayer-java:1.0.5'
     implementation 'com.tencent.iot.thirdparty.android:ijkplayer-armv7a:1.0.5'
+    implementation 'com.tencent.iot.thirdparty.android:ijkplayer-arm64:1.0.5'
     implementation 'cn.aigestudio.wheelpicker:WheelPicker:1.1.3'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7-mpp-dev-11'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.7-mpp-dev-11'
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 067c4f653..1baaa7c64 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
@@ -431,7 +431,7 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
 
             it.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "analyzemaxduration", 100)
             it.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "probesize", 25 * 1024)
-            it.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "packet-buffering", 0)
+//            it.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "packet-buffering", 0)
             it.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "start-on-prepared", 1)
             it.setOption(IjkMediaPlayer.OPT_CATEGORY_CODEC, "threads", 1)
             it.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "sync-av-start", 0)