From 801a7c3b9c2ca8a93250907bc8ee319b7436b7be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E6=AD=A3=E6=9D=A8?=
 <8915035+gao-zhengyang123@user.noreply.gitee.com>
Date: Wed, 14 Jan 2026 08:33:56 +0800
Subject: [PATCH] =?UTF-8?q?equals=E5=88=A4=E7=A9=BA=EF=BC=9B?=
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---
 .../src/main/java/com/mhd/common/core/domain/po/RolePO.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mhd-common/mhd-common-core/src/main/java/com/mhd/common/core/domain/po/RolePO.java b/mhd-common/mhd-common-core/src/main/java/com/mhd/common/core/domain/po/RolePO.java
index e56b39c52..953bdfe6c 100644
--- a/mhd-common/mhd-common-core/src/main/java/com/mhd/common/core/domain/po/RolePO.java
+++ b/mhd-common/mhd-common-core/src/main/java/com/mhd/common/core/domain/po/RolePO.java
@@ -1,5 +1,6 @@
 package com.mhd.common.core.domain.po;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.mhd.common.core.web.domain.BaseVOEntity;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -46,6 +47,9 @@ public class RolePO extends BaseVOEntity implements Serializable {
 
     @Override
     public boolean equals(Object o) {
+        if (ObjectUtil.isNull(o)) {
+            return false;
+        }
         RolePO rolePO = (RolePO) o;
         return roleCode.equals(rolePO.getRoleCode());
     }