diff --git a/src/MyApplication/app/src/main/java/com/example/administrator/myapplication/adapter/NotebookAdapter.java b/src/MyApplication/app/src/main/java/com/example/administrator/myapplication/adapter/NotebookAdapter.java
index 55aa5f1..6f99d3a 100644
--- a/src/MyApplication/app/src/main/java/com/example/administrator/myapplication/adapter/NotebookAdapter.java
+++ b/src/MyApplication/app/src/main/java/com/example/administrator/myapplication/adapter/NotebookAdapter.java
@@ -1,9 +1,6 @@
 package com.example.administrator.myapplication.adapter;
 
 import android.app.Activity;
-import android.graphics.Color;
-import android.graphics.drawable.ColorDrawable;
-import android.provider.CalendarContract;
 import android.text.Html;
 import android.view.View;
 import android.view.ViewGroup;
@@ -91,7 +88,6 @@ public class NotebookAdapter extends BaseAdapter implements HTQDragGridView.Drag
         datas.get(position).setIid(position);
         NotebookData data = datas.get(position);
 
-        ViewHolder holder = null;
         if (v == null) {
             holder = new ViewHolder();
             v = View.inflate(aty, R.layout.item_notebook, null);
@@ -108,7 +104,7 @@ public class NotebookAdapter extends BaseAdapter implements HTQDragGridView.Drag
         LayoutParams params = (LayoutParams) holder.content
                 .getLayoutParams();
         params.width = width;
-        params.height = (params.width - height);
+        params.height = params.width - height;
         holder.content.setLayoutParams(params);
 
         holder.titleBar