From 9bf8ae5583a2197c9cfda0599c1252396a722aee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=96=AF=E7=8B=82=E7=9A=84=E7=8B=AE=E5=AD=90Li?=
 <15040126243@163.com>
Date: Fri, 6 Mar 2026 13:08:05 +0800
Subject: [PATCH] =?UTF-8?q?fix=20=E4=BF=AE=E5=A4=8D=20=E7=A7=BB=E9=99=A4?=
 =?UTF-8?q?=E8=B6=85=E7=BA=A7=E7=AE=A1=E7=90=86=E5=91=98=E8=A7=92=E8=89=B2?=
 =?UTF-8?q?=E5=90=8E=E6=96=B0=E5=A2=9E=E8=A7=92=E8=89=B2=E5=88=86=E9=85=8D?=
 =?UTF-8?q?=E6=A0=A1=E9=AA=8C=EF=BC=8C=E9=81=BF=E5=85=8D=E6=97=A0=E8=A7=92?=
 =?UTF-8?q?=E8=89=B2=E5=88=86=E9=85=8D=E6=97=B6=E6=8A=A5=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../org/dromara/system/service/impl/SysUserServiceImpl.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
index 39ad4cb91..a75e9bbc6 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
@@ -497,6 +497,11 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
             roleList.remove(SystemConstants.SUPER_ADMIN_ID);
         }
 
+        // 移除超管角色后若无剩余角色，说明仅选了超管角色且不允许分配，显式报错
+        if (roleList.isEmpty()) {
+            throw new ServiceException("不允许为普通用户分配超级管理员角色，请至少选择一个其他角色");
+        }
+
         // 校验是否有权限访问这些角色（含数据权限控制）
         if (roleMapper.selectRoleCount(roleList) != roleList.size()) {
             throw new ServiceException("没有权限访问角色的数据");