bean包的更新

后端的都放着里面/demo/src/main/java/com/example/demo/bean/book.java

@@ -13,10 +13,9 @@ public class book {
     @GeneratedValue(strategy=GenerationType.AUTO)
     private long book_id;
     private String book_name;
-    private String author;
+    private String book_author;
     private String book_sort;
     private int book_num;
-
     public book(){};
 
 }