diff --git a/src/main/java/org/ntlab/citrusserver/entities/Book.java b/src/main/java/org/ntlab/citrusserver/entities/Book.java
index f9aec9b..dc010ff 100644
--- a/src/main/java/org/ntlab/citrusserver/entities/Book.java
+++ b/src/main/java/org/ntlab/citrusserver/entities/Book.java
@@ -2,18 +2,21 @@
 
 public class Book {
 
+    private int bookId;
     private String title;
     private boolean publicity;
     private String color;
-    private int bookId;
-    private int todoId = 0;
 
-    public Book(String title, boolean publicity, String color) {
+
+    public Book(Integer bookid, String title, boolean publicity, String color) {
+        this.bookId = bookid;
+
         this.title = title;
         this.publicity = publicity;
         this.color = color;
     }
 
+
     public void setTitle(String t) {title = t;}
     public String getTitle() {return title;}
     public void setPublicity(boolean p) {publicity = p;}
@@ -22,8 +25,4 @@
     public String getColor() {return color;}
     public void setBookId(int id) {bookId = id;}
     public int getBookId() {return bookId;}
-    public int getTodoId() {
-        todoId += 1;
-        return todoId;
-    }
 }