diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/CalendarUnit.java b/app/src/main/java/org/cutem/cutecalendar/presenter/CalendarUnit.java
index fb96843..7f3f12c 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/CalendarUnit.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/CalendarUnit.java
@@ -1,5 +1,8 @@
 package org.cutem.cutecalendar.presenter;
 
+/**
+ * @author hlq07
+ */
 public class CalendarUnit {
 
     public static final int TODAY_FLAG = 1;
diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStage.java b/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStage.java
index 4427dbf..9f2028c 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStage.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStage.java
@@ -17,6 +17,7 @@ import java.net.URL;
 import java.util.ResourceBundle;
 
 
+@Deprecated
 public class NewTodoItemStage implements Initializable {
     private ChoiceBox typeChoicebox;
     private TextField titleInput;
@@ -46,7 +47,6 @@ public class NewTodoItemStage implements Initializable {
         addStage.setTitle("Add a Todo Item");
 
 
-
         ObservableList<String> ways = FXCollections.observableArrayList();
         ways.add("Conference");
         ways.add("Dates");
@@ -183,4 +183,4 @@ public class NewTodoItemStage implements Initializable {
     }
 
 
-    }
+}
diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStrategy.java b/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStrategy.java
index 1b57382..b2caa23 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStrategy.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/NewTodoItemStrategy.java
@@ -17,6 +17,9 @@ import org.jetbrains.annotations.NotNull;
 
 import java.io.IOException;
 
+/**
+ * @author akasakaisami
+ */
 public class NewTodoItemStrategy {
     private static final String FXML_FILE = "fxml/addTodoItemStage.fxml";
     private Parent root;
diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/Presenter.java b/app/src/main/java/org/cutem/cutecalendar/presenter/Presenter.java
index ccc2c0b..082f070 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/Presenter.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/Presenter.java
@@ -10,25 +10,18 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.List;
 
+/**
+ * @author hlq07
+ */
 public abstract class Presenter {
     private static Object LOCK = new Object();
 
     private TodoItemManager manager = TodoItemManager.getInstance();
 
-
-    /**
-     * @author hlq
-     */
     protected abstract Calendar getCalendarShowingDate();
 
-    /**
-     * @author lyq
-     */
     protected abstract void showTodoItemDetail(TodoItem item);
 
-    /**
-     * @author akasakaisami
-     */
     protected abstract void showNewTodoItemStage();
 
     private void save() {
@@ -54,10 +47,6 @@ public abstract class Presenter {
         save();
     }
 
-
-    /**
-     * @author hlq
-     */
     protected abstract void paintCalendar(@NotNull Calendar date, @NotNull List<CalendarUnit> days);
 
     public final void paintCalendar(@NotNull Calendar date) {
@@ -91,9 +80,6 @@ public abstract class Presenter {
         paintCalendar(date, days);
     }
 
-    /**
-     * @author tintin
-     */
     protected abstract void listTodoItems(List<TodoItem> items);
 
     protected final void listTodoItemDuring(Calendar from, Calendar to) {
diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/PresenterSimpleImpl.java b/app/src/main/java/org/cutem/cutecalendar/presenter/PresenterSimpleImpl.java
index 97844d8..7610b96 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/PresenterSimpleImpl.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/PresenterSimpleImpl.java
@@ -7,6 +7,9 @@ import org.jetbrains.annotations.NotNull;
 import java.util.Calendar;
 import java.util.List;
 
+/**
+ * @author hlq07
+ */
 public class PresenterSimpleImpl extends Presenter {
 
     private ListTodoItemsStrategy mListStrategy;
diff --git a/app/src/main/java/org/cutem/cutecalendar/presenter/ShowTodoItemDetailStrategy.java b/app/src/main/java/org/cutem/cutecalendar/presenter/ShowTodoItemDetailStrategy.java
index ce2e7c9..db0a0bc 100644
--- a/app/src/main/java/org/cutem/cutecalendar/presenter/ShowTodoItemDetailStrategy.java
+++ b/app/src/main/java/org/cutem/cutecalendar/presenter/ShowTodoItemDetailStrategy.java
@@ -11,6 +11,9 @@ import org.cutem.cutecalendar.model.TodoItem;
 import org.cutem.cutecalendar.util.CalendarUtil;
 import org.jetbrains.annotations.NotNull;
 
+/**
+ * @author lyq
+ */
 public class ShowTodoItemDetailStrategy {
 
     private Stage mStage;
@@ -121,5 +124,4 @@ public class ShowTodoItemDetailStrategy {
     }
 
 
-
 }