diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/DefAdpater.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/DefAdpater.java
deleted file mode 100644
index 2a4978f81..000000000
--- a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/DefAdpater.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package com.chad.baserecyclerviewadapterhelper.adapter;
-
-import android.content.Context;
-import androidx.recyclerview.widget.RecyclerView;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import com.chad.baserecyclerviewadapterhelper.R;
-import com.chad.baserecyclerviewadapterhelper.data.DataServer;
-import com.chad.baserecyclerviewadapterhelper.entity.Status;
-
-import java.util.List;
-
-/**
- * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
- */
-public class DefAdpater extends RecyclerView.Adapter<DefAdpater.ViewHolder> {
-    private final List<Status> sampleData = DataServer.getSampleData(100);
-    private Context mContext;
-    private LayoutInflater mLayoutInflater;
-    public DefAdpater(Context context) {
-        mContext = context;
-        mLayoutInflater = LayoutInflater.from(context);
-    }
-
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View item = mLayoutInflater.inflate(R.layout.layout_animation, parent, false);
-        return new ViewHolder(item);
-    }
-
-    @Override
-    public void onBindViewHolder(ViewHolder holder, int position) {
-        Status status = sampleData.get(position);
-        holder.name.setText(status.getUserName());
-        holder.text.setText(status.getText());
-        holder.date.setText(status.getCreatedAt());
-    }
-
-    @Override
-    public int getItemCount() {
-        return sampleData.size();
-    }
-
-    public static class ViewHolder extends RecyclerView.ViewHolder {
-
-        private TextView name;
-        private TextView date;
-        private TextView text;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            text = (TextView) itemView.findViewById(R.id.tweetText);
-            name = (TextView) itemView.findViewById(R.id.tweetName);
-            date = (TextView) itemView.findViewById(R.id.tweetDate);
-
-        }
-    }
-}
\ No newline at end of file