diff --git a/src/main/java/xyz/zhouxy/plusone/commons/model/Gender.java b/src/main/java/xyz/zhouxy/plusone/commons/model/Gender.java
index 24dbeb9..7922305 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/model/Gender.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/model/Gender.java
@@ -16,6 +16,7 @@
 
 package xyz.zhouxy.plusone.commons.model;
 
+import xyz.zhouxy.plusone.commons.base.IWithIntCode;
 import xyz.zhouxy.plusone.commons.util.AssertTools;
 
 /**
@@ -23,7 +24,7 @@ import xyz.zhouxy.plusone.commons.util.AssertTools;
  *
  * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
  */
-public enum Gender {
+public enum Gender implements IWithIntCode {
     UNKNOWN(0, "Unknown", "未知"),
     MALE(1, "Male", "男"),
     FEMALE(2, "Female", "女"),
@@ -60,4 +61,9 @@ public enum Gender {
         return displayNameZh;
     }
 
+    @Override
+    public int getCode() {
+        return getValue();
+    }
+
 }