function complete

src/main/java/library/external/PointSystem.java

@@ -3,12 +3,21 @@ package library.external;
 public class PointSystem {
 
     private Long id;
+    private Long bookId;
 
 
     public Long getId() {
         return id;
     }
 
+    public Long getBookId() {
+        return bookId;
+    }
+
+    public void setBookId(Long bookId) {
+        this.bookId = bookId;
+    }
+
     public void setId(Long id) {
         this.id = id;
     }