diff --git a/lib/main.dart b/lib/main.dart
index aafde49..f163c2c 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -9,9 +9,10 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       // debugShowCheckedModeBanner: false,
-      title: 'Dripper',
+      title: 'dripper',
       home: HomePage(),
       theme: ThemeData(
+          primarySwatch: Colors.brown,
           textTheme:
               GoogleFonts.notoSansTextTheme(Theme.of(context).textTheme)),
     );
diff --git a/lib/models/process.dart b/lib/models/process.dart
index b0f35e9..6d5a6cb 100644
--- a/lib/models/process.dart
+++ b/lib/models/process.dart
@@ -7,6 +7,7 @@ final String columnType = 'type';
 final String columnDuration = 'duration';
 final String columnWater = 'water';
 final String columnStep = 'step';
+final String columnNote = 'note';
 
 enum ProcessType { Bloom, Wait, Pour, Stir, Other }
 
@@ -17,6 +18,7 @@ class Process {
   int duration;
   int water;
   int step = 1;
+  String note = '';
   int inSeconds;
 
   String get typeText {
@@ -38,6 +40,7 @@ class Process {
       columnDuration: duration,
       columnWater: water,
       columnStep: step,
+      columnNote: note,
     };
     if (id != null) {
       map[columnId] = id;
@@ -54,12 +57,13 @@ class Process {
     duration = map[columnDuration];
     water = map[columnWater];
     step = map[columnStep];
+    note = map[columnNote];
   }
 }
 
 class ProcessProvider {
   static Database _db;
-  static String _tableName = 'todo2';
+  static String _tableName = 'todo3';
 
   Process fromMap(Map<String, dynamic> map) {
     return Process.fromMap(map);
@@ -89,7 +93,7 @@ class ProcessProvider {
     return theDb;
   }
 
-  void onCreate(Database db, int version) async {
+  Future onCreate(Database db, int version) async {
     await db.execute('''
 create table $_tableName ( 
   $columnId integer primary key autoincrement, 
@@ -97,6 +101,7 @@ create table $_tableName (
   $columnType integer not null,
   $columnDuration integer not null,
   $columnStep integer not null,
+  $columnNote text not null,
   $columnWater integer)
 ''');
   }
@@ -127,11 +132,13 @@ create table $_tableName (
 
   Future close() async {
     Database dbClient = await db;
+    _db = null;
     return await dbClient.close();
   }
 
-  Future dropTable() async {
+  Future reCreateTable() async {
     Database dbClient = await db;
     await dbClient.execute('DROP TABLE IF EXISTS $_tableName');
+    await onCreate(dbClient, 1);
   }
 }
diff --git a/lib/models/recipe.dart b/lib/models/recipe.dart
index a5ff3d9..da5518a 100644
--- a/lib/models/recipe.dart
+++ b/lib/models/recipe.dart
@@ -74,7 +74,7 @@ class RecipeProvider {
     return theDb;
   }
 
-  void onCreate(Database db, int version) async {
+  Future onCreate(Database db, int version) async {
     await db.execute('''
 create table $_tableName ( 
   $columnId integer primary key autoincrement, 
@@ -107,11 +107,13 @@ create table $_tableName (
 
   Future close() async {
     Database dbClient = await db;
+    _db = null;
     return await dbClient.close();
   }
 
-  Future dropTable() async {
+  Future reCreateTable() async {
     Database dbClient = await db;
     await dbClient.execute('DROP TABLE IF EXISTS $_tableName');
+    await onCreate(dbClient, 1);
   }
 }
diff --git a/lib/pages/home.dart b/lib/pages/home.dart
index 392b241..24b8015 100644
--- a/lib/pages/home.dart
+++ b/lib/pages/home.dart
@@ -1,6 +1,8 @@
+import 'package:dripper/models/process.dart';
 import 'package:dripper/models/recipe.dart';
 import 'package:dripper/pages/recipe/new.dart';
 import 'package:dripper/pages/recipe/show.dart';
+import 'package:dripper/wigets/customAppBar.dart';
 import 'package:flutter/material.dart';
 
 class HomePage extends StatefulWidget {
@@ -11,28 +13,63 @@ class HomePage extends StatefulWidget {
 }
 
 class _HomePageState extends State<HomePage> {
+  RecipeProvider _recipeProvider = RecipeProvider();
+  ProcessProvider _processProvider = ProcessProvider();
   List<Recipe> _recipes = [];
+  int _titleTapCount = 0;
 
   @override
   void initState() {
     super.initState();
-    loadRecipes();
+    _loadRecipes();
   }
 
-  void loadRecipes() async {
-    RecipeProvider recipeProvider = RecipeProvider();
-    List<Recipe> recipes = await recipeProvider.all();
-    setState(() {
-      _recipes = recipes;
-    });
+  void _loadRecipes() async {
+    List<Recipe> recipes = await _recipeProvider.all();
+    setState(() => _recipes = recipes);
+  }
+
+  void _tapTitle() {
+    _titleTapCount += 1;
+    if (_titleTapCount >= 7) {
+      _titleTapCount = 0;
+
+      showDialog(
+        context: context,
+        builder: (_) {
+          return AlertDialog(
+            title: Text("登録データの一括削除"),
+            content: Text("データを削除してもよろしいですか？"),
+            actions: <Widget>[
+              // ボタン領域
+              FlatButton(
+                child: Text("Cancel"),
+                onPressed: () => Navigator.pop(context),
+              ),
+              FlatButton(
+                child: Text("OK"),
+                onPressed: () async {
+                  await _recipeProvider.reCreateTable();
+                  await _processProvider.reCreateTable();
+                  _loadRecipes();
+                  Navigator.pop(context);
+                },
+              ),
+            ],
+          );
+        },
+      );
+    }
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
-        title: Text('Dripper'),
-      ),
+      appBar: CustomAppBar(
+          onTap: _tapTitle,
+          appBar: AppBar(
+            title: Text('dripper'),
+          )),
       body: ListView.builder(
         itemBuilder: (BuildContext context, int index) {
           Recipe recipe = _recipes[index];
@@ -61,7 +98,7 @@ class _HomePageState extends State<HomePage> {
             },
           ));
           print(result);
-          loadRecipes();
+          _loadRecipes();
         },
         tooltip: 'Add Recipe',
         child: Icon(Icons.add),
diff --git a/lib/wigets/customAppBar.dart b/lib/wigets/customAppBar.dart
new file mode 100644
index 0000000..c0b72ee
--- /dev/null
+++ b/lib/wigets/customAppBar.dart
@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+class CustomAppBar extends StatelessWidget implements PreferredSizeWidget {
+  final VoidCallback onTap;
+  final AppBar appBar;
+
+  const CustomAppBar({Key key, this.onTap, this.appBar}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(onTap: onTap, child: appBar);
+  }
+
+  // TODO: implement preferredSize
+  @override
+  Size get preferredSize => new Size.fromHeight(kToolbarHeight);
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 49748c8..f14bc5f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,7 +11,7 @@ description: Coffee drip timer
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.1.0+2
+version: 0.2.0+3
 
 environment:
   sdk: '>=2.2.0 <3.0.0'