diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java b/app/src/leanback/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
index ae91b0445..cedf337e6 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
@@ -36,7 +36,7 @@ public class RestoreAdapter extends RecyclerView.Adapter<RestoreAdapter.ViewHold
         File[] files = Path.tv().listFiles();
         if (files == null) files = new File[0];
         for (File file : files) if (file.getName().startsWith("tv") && file.getName().endsWith(".bk.gz")) mItems.add(file);
-        if (!mItems.isEmpty()) Collections.sort(mItems, (f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
+        if (!mItems.isEmpty()) mItems.sort((f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
         notifyDataSetChanged();
     }
 
diff --git a/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java b/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
index 7519c635c..a13de2514 100644
--- a/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
+++ b/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
@@ -28,7 +28,6 @@ import com.github.catvod.utils.Path;
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
@@ -86,7 +85,7 @@ public abstract class AppDatabase extends RoomDatabase {
         File[] files = Path.tv().listFiles();
         if (files == null) files = new File[0];
         for (File file : files) if (file.getName().startsWith("tv") && file.getName().endsWith(".bk.gz")) items.add(file);
-        if (!items.isEmpty()) Collections.sort(items, (f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
+        if (!items.isEmpty()) items.sort((f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
         if (items.size() > 7) for (int i = 7; i < items.size(); i++) Path.clear(items.get(i));
     }
 
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java b/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
index bdbeb3e72..8a97fc605 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/RestoreAdapter.java
@@ -40,7 +40,7 @@ public class RestoreAdapter extends RecyclerView.Adapter<RestoreAdapter.ViewHold
         File[] files = Path.tv().listFiles();
         if (files == null) files = new File[0];
         for (File file : files) if (file.getName().startsWith("tv") && file.getName().endsWith(".bk.gz")) mItems.add(file);
-        if (!mItems.isEmpty()) Collections.sort(mItems, (f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
+        if (!mItems.isEmpty()) mItems.sort((f1, f2) -> Long.compare(f2.lastModified(), f1.lastModified()));
         notifyDataSetChanged();
     }