diff --git a/src/main/java/entity/UserStarId.java b/src/main/java/entity/UserStarId.java
new file mode 100644
index 0000000..6cc362b
--- /dev/null
+++ b/src/main/java/entity/UserStarId.java
@@ -0,0 +1,29 @@
+package entity;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class UserStarId implements Serializable {
+    public String userid;  
+    public String seedid;
+
+    public UserStarId() {}  
+
+    public UserStarId(String userid, String seedid) {
+        this.userid = userid;
+        this.seedid = seedid;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        UserStarId that = (UserStarId) o;
+        return Objects.equals(userid, that.userid) && Objects.equals(seedid, that.seedid);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(userid, seedid);
+    }
+}
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