diff --git a/app/src/main/java/com/example/citrusclient/viewmodels/BooksViewModel.java b/app/src/main/java/com/example/citrusclient/viewmodels/BooksViewModel.java
index 784795f..37989ea 100644
--- a/app/src/main/java/com/example/citrusclient/viewmodels/BooksViewModel.java
+++ b/app/src/main/java/com/example/citrusclient/viewmodels/BooksViewModel.java
@@ -20,14 +20,10 @@
     private final Retrofit retrofit;
     private final BooksRest booksRest;
     private final MutableLiveData<HashMap<Integer, Book>> booksLiveData;
-    private final MutableLiveData<HashMap<Integer,Book>> booksIdLiveData;
     private final MutableLiveData<String> titleLiveData;
     private final MutableLiveData<String> colorLiveData;
     private final MutableLiveData<String> publicityLiveData;
     private final MutableLiveData<String> favoritedLiveData;
-    private final MutableLiveData<String> errorLiveData;
-    private final MutableLiveData<Boolean> successDeleteBookLiveData;
-    private final MutableLiveData<String> delBookErrorLivedata;
 
     public BooksViewModel(MutableLiveData<HashMap<Integer, Book>> booksIdLiveData) {
         this.retrofit = new Retrofit.Builder()
@@ -36,48 +32,41 @@
                 .build();
         this.booksRest = retrofit.create(BooksRest.class);
         this.booksLiveData = new MutableLiveData<>();
-        this.booksIdLiveData = booksIdLiveData;
         this.titleLiveData = new MutableLiveData<>();
         this.colorLiveData = new MutableLiveData<>();
         this.publicityLiveData = new MutableLiveData<>();
         this.favoritedLiveData = new MutableLiveData<>();
-        this.errorLiveData = new MutableLiveData<>();
-        this.successDeleteBookLiveData = new MutableLiveData<>();
-        this.delBookErrorLivedata = new MutableLiveData<>();
     }
 
     public MutableLiveData<HashMap<Integer, Book>> getBookLiveData() { return this.booksLiveData;}//本の一覧を返す
-    public MutableLiveData<HashMap<Integer,Book>> getBooksIdLiveData() {return this.booksIdLiveData;}//本の情報を取得
+    //public MutableLiveData<HashMap<Integer, Book>> getBooksIdLiveData() {return this.booksIdLiveData;}//本の情報を取得
     public MutableLiveData<String> getTitleLiveData() {return this.titleLiveData;}//本のタイトルを返す
     public MutableLiveData<String> getPublicityLiveData() {return this.publicityLiveData;}//本の公開状態を返す
 
-
-    public MutableLiveData<Boolean> getSuccessDeleteBookLiveData() {return successDeleteBookLiveData;}
-
     public void createBook(String accountId, String title, String color, Boolean publicity, String token ){
-        Call<Book> call = booksRest.createBook(accountId , title, color, publicity, token);
+        Call<HashMap<Integer, Book>> call = booksRest.createBook(accountId , title, color, publicity, token);
 
-            call.enqueue(new Callback<Book>() {
+            call.enqueue(new Callback<HashMap<Integer, Book>>() {
                 @Override
-                public  void onResponse(Call<Book> call, Response<Book> response) {
+                public  void onResponse(Call<HashMap<Integer,Book>> call, Response<HashMap<Integer,Book>> response) {
                     if(response.isSuccessful()) {
+                        HashMap<Integer,Book> book = response.body();
+                        booksLiveData.setValue(book);
                         System.out.println("success!" + response.body());
                     }else {
                         System.out.println("fail");
-                        errorLiveData.setValue(parseStatusCode(response.code()));
+                        parseStatusCode(response.code());
                     }
                 }
-
                 @Override
-                public void onFailure(Call<Book> call, Throwable t) {
-
+                public void onFailure(Call<HashMap<Integer,Book>> call, Throwable t) {
+                    System.out.println("NetWorkError" + t);
                 }
             });
-
     }
 
-    public void loadBooks(String account_id, String token){
-        Call<HashMap<Integer, Book>> call = booksRest.getBooks(account_id, token);
+    public void loadBooks(String accountId, String token){
+        Call<HashMap<Integer, Book>> call = booksRest.getBooks(accountId, token);
 
         call.enqueue(new Callback<HashMap<Integer, Book>>() {
             @Override
@@ -91,19 +80,21 @@
 
             @Override
             public void onFailure(Call<HashMap<Integer, Book>> call, Throwable t) {
-                System.out.println("fail");
+                System.out.println("NetWorkError" + t);
             }
         });
     }
 
-    public void deleteBook(String account_id, Integer book_id, String token){
-        Call<String> call = booksRest.deleteBook(account_id, book_id, token);
+    public void deleteBook(String accountId, Integer bookId, String token){
+        Call<HashMap<Integer, Book>> call = booksRest.deleteBook(accountId, bookId, token);
 
-        call.enqueue(new Callback<String>() {
+        call.enqueue(new Callback<HashMap<Integer, Book>>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<HashMap<Integer, Book>> call, Response<HashMap<Integer, Book>> response) {
                 if (response.isSuccessful()) {
-                    successDeleteBookLiveData.setValue(true);
+                    HashMap<Integer, Book> book = response.body();
+                    book.remove(bookId);
+                    booksLiveData.setValue(book);
                     System.out.println("DELETE");
                 } else {
                     System.out.println("response error");
@@ -111,32 +102,20 @@
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable t) {
+            public void onFailure(Call<HashMap<Integer, Book>> call, Throwable t) {
                 System.out.println("correspondence error" + t);
             }
         });
     }
 
-    /*private void deleteBookLiveData(String account_id, Integer book_id) {
-        HashMap<Integer,Book> delData = new HashMap<>();
-        for (Book book: booksLiveData.getValue()) {
-            if (book.getBookId().equals(book_id)) {
-                continue;
-            }
-            delData.add(book);
-        }
-        booksLiveData.setValue(delData);
-    }*/
-
-    public void setTitle(String account_id, Integer book_id, String title, String token){
-        Call<String> call = booksRest.putTitle(account_id, book_id, title, token);
+    public void setTitle(String accountId, Integer bookId, String title, String token){
+        Call<String> call = booksRest.putTitle(accountId, bookId, title, token);
 
         call.enqueue(new Callback<String>() {
             @Override
             public void onResponse(Call<String> call, Response<String> response) {
                 if (response.isSuccessful()){
                     titleLiveData.setValue(title);
-                    System.out.println(response.code());
                     System.out.println("Success SetTiTle" + title);
                 } else {
                     System.out.println("response error");
@@ -150,15 +129,14 @@
         });
     }
 
-    public void setColor(String account_id, Integer book_id, String color, String token){
-        Call<String> call = booksRest.putColor(account_id, book_id, color, token);
+    public void setColor(String accountId, Integer bookId, String color, String token){
+        Call<String> call = booksRest.putColor(accountId, bookId, color, token);
 
         call.enqueue(new Callback<String>() {
             @Override
             public void onResponse(Call<String> call, Response<String> response) {
                 if (response.isSuccessful()){
                     colorLiveData.setValue(color);
-                    System.out.println(response.code());
                     System.out.println("Success SetTiTle" + color);
                 } else {
                     System.out.println("response error");
@@ -172,8 +150,8 @@
         });
     }
 
-    public void setPublicity(String account_id, Integer book_id, Boolean publicity, String token){
-        Call<String> call = booksRest.putPublicity(account_id, book_id, publicity, token);
+    public void setPublicity(String accountId, Integer bookId, Boolean publicity, String token){
+        Call<String> call = booksRest.putPublicity(accountId, bookId, publicity, token);
 
         call.enqueue(new Callback<String>() {
             @Override
@@ -181,7 +159,6 @@
                 if (response.isSuccessful()){
                     String pub = String.valueOf(publicity);
                     publicityLiveData.setValue(pub);
-                    System.out.println(response.code());
                     System.out.println("Success SetTiTle" + publicity);
                 } else {
                     System.out.println("response error");