diff --git a/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
index e7cea73c1..5c11cc094 100644
--- a/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
+++ b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
@@ -6,7 +6,6 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.AsyncListDiffer;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.fongmi.android.tv.impl.BaseItemCallback;
 import com.fongmi.android.tv.impl.Diffable;
 
 import java.util.ArrayList;
diff --git a/app/src/main/java/com/fongmi/android/tv/impl/BaseItemCallback.java b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseItemCallback.java
similarity index 84%
rename from app/src/main/java/com/fongmi/android/tv/impl/BaseItemCallback.java
rename to app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseItemCallback.java
index 1ab3dd214..7c32e00bf 100644
--- a/app/src/main/java/com/fongmi/android/tv/impl/BaseItemCallback.java
+++ b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseItemCallback.java
@@ -1,8 +1,10 @@
-package com.fongmi.android.tv.impl;
+package com.fongmi.android.tv.ui.adapter;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.DiffUtil;
 
+import com.fongmi.android.tv.impl.Diffable;
+
 public class BaseItemCallback<T extends Diffable<T>> extends DiffUtil.ItemCallback<T> {
 
     @Override