diff --git a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
index 72f42f0..4b4014a 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
@@ -6,6 +6,7 @@
 import org.springframework.stereotype.Repository;
 
 import java.util.Calendar;
+import java.util.Collections;
 import java.util.HashMap;
 
 
@@ -36,8 +37,8 @@
         this.bookManager.addListener(this);
         String[][] accounts = {{"fish", "abc", "def"}, {"bird", "abc", "xyz"}};
         Calendar c = Calendar.getInstance();
-        createTodo(accounts[0][0], 1, c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DATE), "ダミーtodo1");
-        createTodo(accounts[1][0], 1, c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DATE), "ダミーtodo2");
+        createTodo(accounts[0][0], 1, c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DATE), "ダミーtodo1");
+        createTodo(accounts[1][0], 1, c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DATE), "ダミーtodo2");
 
     }