diff --git a/src/main/java/com/guwan/backend/Demo1.java b/src/main/java/com/guwan/backend/Demo1.java
new file mode 100644
index 0000000..d178b9a
--- /dev/null
+++ b/src/main/java/com/guwan/backend/Demo1.java
@@ -0,0 +1,12 @@
+package com.guwan.backend;
+
+import com.guwan.backend.entity.BookOfUser;
+import com.guwan.backend.enums.ReadStatus;
+
+public class Demo1 {
+    public static void main(String[] args) {
+        BookOfUser bookOfUser = new BookOfUser();
+        bookOfUser.setReadStatus(ReadStatus.yes);
+        System.out.println("bookOfUser = " + bookOfUser);
+    }
+}