diff --git a/src/main/java/org/ntlab/citrusserver/entities/Todo.java b/src/main/java/org/ntlab/citrusserver/entities/Todo.java
index 73224c4..d808f80 100644
--- a/src/main/java/org/ntlab/citrusserver/entities/Todo.java
+++ b/src/main/java/org/ntlab/citrusserver/entities/Todo.java
@@ -2,22 +2,22 @@
 
 public class Todo {
     String title;
-    Boolean check;
-    Integer year;
-    Integer month;
-    Integer day;
+    boolean check;
+    int year;
+    int month;
+    int day;
     Integer todo_id;
 
     public void setTitle(String t) {title = t;}
     public String getTitle() {return title;}
-    public void setCheck(Boolean c) {check = c;}
-    public Boolean getCheck() {return check;}
-    public void setYear(Integer y) {year = y;}
-    public Integer getYear() {return year;}
-    public void setMonth(Integer m) {month = m;}
-    public Integer getMonth() {return month;}
-    public void setDay(Integer d) {day = d;}
-    public Integer getDay() {return day;}
+    public void setCheck(boolean c) {check = c;}
+    public boolean getCheck() {return check;}
+    public void setYear(int y) {year = y;}
+    public int getYear() {return year;}
+    public void setMonth(int m) {month = m;}
+    public int getMonth() {return month;}
+    public void setDay(int d) {day = d;}
+    public int getDay() {return day;}
     public void setTodo_id(Integer t) {todo_id = t;}
     public Integer getTodo_id() {
         return todo_id;