Can't update child entity spring boot with JPA - spring-boot

Question

when i request to update my parent and child table throw put request (send data through JSON) parent table is update and in child table new extra row create with the same parent id rather than update row.
#Entity
public class Book {
#Id
#GeneratedValue(strategy = GenerationType.AUTO)
private int id;
private String title;
#OneToMany(mappedBy = "book",cascade = CascadeType.ALL,fetch = FetchType.LAZY)
#JsonManagedReference
private List<Author> author;
#OneToOne(cascade = CascadeType.ALL)
#JsonManagedReference
private BookImage bookImage;
// Getters and Setter
#JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class,property = "id")
#Entity
public class Author{
#Id
#GeneratedValue(strategy = GenerationType.AUTO)
private int id;
private String firstname;
private String lastname;
private String language;
#ManyToOne(cascade = CascadeType.ALL,fetch = FetchType.LAZY)
#JsonBackReference
private Book book;
// Getters and Setter
#Entity
public class BookImage{
#Id
#GeneratedValue(strategy = GenerationType.AUTO)
private int id;
private String name;
private String type;
private Long size;
#Lob
private Blob image;
#OneToOne(mappedBy = "bookImage",cascade = CascadeType.ALL,fetch = FetchType.LAZY)
#JsonBackReference
private Book book;
// Getters and Setter
#PutMapping("/book/{id}")
public ResponseEntity<Book> updateBook(#RequestParam("file") MultipartFile file,
#RequestParam("book") String bookData, #PathVariable("id") int id) {
try {
Book book = this.objectMapper.readValue(bookData, Book.class);
// Create Book Image
BookImage bookImage = new BookImage();
bookImage.setId(id);
bookImage.setName(file.getOriginalFilename());
bookImage.setType(file.getContentType());
bookImage.setSize(file.getSize());
bookImage.setImage(new SerialBlob(file.getBytes()));
book.setBookImage(bookImage);
book.setId(id);
this.bookService.updateBook(book);
return ResponseEntity.of(Optional.of(book));
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
}
#Component
public class BookService
{
#Autowired
private BookRepository bookRepository;
public List<Book> getAllBooks(){
return this.bookRepository.findAll();
}
public Book getBookById(int id) {
Book book = null;
try {
book = this.bookRepository.getBookById(id);
}catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return book;
}
public Book addBook(Book book) {
return this.bookRepository.save(book);
}
public void deleteBook(int id) {
this.bookRepository.deleteById(id);
}
public void updateBook(Book book) {
this.bookRepository.save(book);
}
}
Table Data After POST
now put with book id request
after put table data
Create 2 new raw rather than update raw...
Put request with book id 152 update book and book_image data but in author table create a 2 extra new row rather than update the data
i want to update the author table data