diff --git a/src/main/java/com/msb/prototype/v1/Person.java b/src/main/java/com/msb/prototype/v1/Person.java
new file mode 100644
index 0000000..523b618
--- /dev/null
+++ b/src/main/java/com/msb/prototype/v1/Person.java
@@ -0,0 +1,53 @@
+package com.msb.prototype.v1;
+
+/**
+ * @Author bingor
+ * @Date 2022-10-18 22:25
+ * @Description: com.msb.prototype.v1
+ * @Version: 1.0
+ */
+public class Person implements Cloneable {
+    int id;
+    String name;
+    Location location;
+
+    public Person(int id, String name, Location location) {
+        this.id = id;
+        this.name = name;
+        this.location = location;
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+        Person clone = (Person) super.clone();
+        return clone;
+    }
+}
+
+class Location {
+    String street;
+    String roomNo;
+
+    public Location(String street, String roomNo) {
+        this.street = street;
+        this.roomNo = roomNo;
+    }
+
+    @Override
+    public String toString() {
+        return "Location{" +
+                "street='" + street + '\'' +
+                ", roomNo='" + roomNo + '\'' +
+                '}';
+    }
+}
+
+class Main {
+    public static void main(String[] args) throws CloneNotSupportedException {
+        Location location = new Location("机场路", "8号");
+        Person person1 = new Person(1, "bingor", location);
+        Person person2 = (Person) person1.clone();
+        person1.location.street = "龙水路";
+        System.out.println(person2.location);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/msb/prototype/v2/Person.java b/src/main/java/com/msb/prototype/v2/Person.java
new file mode 100644
index 0000000..e2b7fc7
--- /dev/null
+++ b/src/main/java/com/msb/prototype/v2/Person.java
@@ -0,0 +1,59 @@
+package com.msb.prototype.v2;
+
+/**
+ * @Author bingor
+ * @Date 2022-10-18 22:25
+ * @Description: com.msb.prototype.v1
+ * @Version: 1.0
+ */
+public class Person implements Cloneable {
+    int id;
+    String name;
+    Location location;
+
+    public Person(int id, String name, Location location) {
+        this.id = id;
+        this.name = name;
+        this.location = location;
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+        Person clone = (Person) super.clone();
+        clone.location = (Location) location.clone();
+        return clone;
+    }
+}
+
+class Location implements Cloneable {
+    String street;
+    String roomNo;
+
+    public Location(String street, String roomNo) {
+        this.street = street;
+        this.roomNo = roomNo;
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+
+    @Override
+    public String toString() {
+        return "Location{" +
+                "street='" + street + '\'' +
+                ", roomNo='" + roomNo + '\'' +
+                '}';
+    }
+}
+
+class Main {
+    public static void main(String[] args) throws CloneNotSupportedException {
+        Location location = new Location("机场路", "8号");
+        Person person1 = new Person(1, "bingor", location);
+        Person person2 = (Person) person1.clone();
+        person1.location.street = "龙水路";
+        System.out.println(person2.location);
+    }
+}
\ No newline at end of file