diff --git a/blade-service-api/blade-system-api/src/main/java/org/springblade/system/entity/Menu.java b/blade-service-api/blade-system-api/src/main/java/org/springblade/system/entity/Menu.java
index 94a97bf6..f43ed285 100644
--- a/blade-service-api/blade-system-api/src/main/java/org/springblade/system/entity/Menu.java
+++ b/blade-service-api/blade-system-api/src/main/java/org/springblade/system/entity/Menu.java
@@ -119,6 +119,11 @@ public class Menu implements Serializable {
 	private Integer isDeleted;
 
 
+	@Override
+	public int hashCode() {
+		return (this.getId() == null) ? -1 : this.getId();
+	}
+
 	@Override
 	public boolean equals(Object obj) {
 		if (this == obj) {