diff --git a/app/src/main/java/com/waynell/videolist/demo/activity/ListViewActivity.java b/app/src/main/java/com/waynell/videolist/demo/activity/ListViewActivity.java
index 44327b8..6c7942e 100644
--- a/app/src/main/java/com/waynell/videolist/demo/activity/ListViewActivity.java
+++ b/app/src/main/java/com/waynell/videolist/demo/activity/ListViewActivity.java
@@ -13,6 +13,7 @@
 
 import com.waynell.videolist.demo.R;
 import com.waynell.videolist.demo.holder.BaseViewHolder;
+import com.waynell.videolist.demo.holder.VideoViewHolder;
 import com.waynell.videolist.demo.holder.ViewHolderFactory;
 import com.waynell.videolist.demo.model.BaseItem;
 import com.waynell.videolist.demo.util.ItemUtils;
@@ -140,8 +141,8 @@ public ListItem getListItem(int position) {
             for (int i = 0; i < childCount; i++) {
                 View view = mListView.getChildAt(i);
                 if(view != null) {
-                    if (view.getTag() instanceof BaseViewHolder) {
-                        BaseViewHolder holder = (BaseViewHolder) view.getTag();
+                    if (view.getTag() instanceof VideoViewHolder) {
+                        VideoViewHolder holder = (VideoViewHolder) view.getTag();
                         int holderPosition = mHolderHelper.get(holder);
                         if (holderPosition == position) {
                             return holder;
diff --git a/app/src/main/java/com/waynell/videolist/demo/holder/BaseViewHolder.java b/app/src/main/java/com/waynell/videolist/demo/holder/BaseViewHolder.java
index c163f30..7e5ca40 100644
--- a/app/src/main/java/com/waynell/videolist/demo/holder/BaseViewHolder.java
+++ b/app/src/main/java/com/waynell/videolist/demo/holder/BaseViewHolder.java
@@ -4,14 +4,13 @@
 import android.view.View;
 
 import com.waynell.videolist.demo.model.BaseItem;
-import com.waynell.videolist.visibility.items.ListItem;
 
 import butterknife.ButterKnife;
 
 /**
  * @author Wayne
  */
-public abstract class BaseViewHolder<T extends BaseItem> extends RecyclerView.ViewHolder implements ListItem {
+public abstract class BaseViewHolder<T extends BaseItem> extends RecyclerView.ViewHolder {
 
     public BaseViewHolder(View itemView) {
         super(itemView);
@@ -19,14 +18,4 @@ public BaseViewHolder(View itemView) {
     }
 
     public abstract void onBind(int position, T iItem);
-
-    @Override
-    public void setActive(View newActiveView, int newActiveViewPosition) {
-
-    }
-
-    @Override
-    public void deactivate(View currentView, int position) {
-
-    }
 }
diff --git a/app/src/main/java/com/waynell/videolist/demo/holder/VideoViewHolder.java b/app/src/main/java/com/waynell/videolist/demo/holder/VideoViewHolder.java
index f2d6f7c..aeb9fff 100644
--- a/app/src/main/java/com/waynell/videolist/demo/holder/VideoViewHolder.java
+++ b/app/src/main/java/com/waynell/videolist/demo/holder/VideoViewHolder.java
@@ -21,6 +21,7 @@
 import com.waynell.videolist.demo.model.VideoLoadMvpView;
 import com.waynell.videolist.demo.target.VideoLoadTarget;
 import com.waynell.videolist.demo.target.VideoProgressTarget;
+import com.waynell.videolist.visibility.items.ListItem;
 import com.waynell.videolist.widget.TextureVideoView;
 
 import java.io.File;
@@ -31,7 +32,7 @@
 
 
 public class VideoViewHolder extends BaseViewHolder<VideoItem>
-        implements VideoLoadMvpView, ViewPropertyAnimatorListener {
+        implements VideoLoadMvpView, ViewPropertyAnimatorListener, ListItem {
 
     @Bind(R.id.video_view)
     public TextureVideoView videoView;