diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserRoleMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserRoleMapper.java
index ce11d0f0c..be8fb8f63 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserRoleMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserRoleMapper.java
@@ -3,6 +3,8 @@ package com.ruoyi.system.mapper;
 import com.ruoyi.common.core.mapper.BaseMapperPlus;
 import com.ruoyi.system.domain.SysUserRole;
 
+import java.util.List;
+
 /**
  * 用户与角色关联表 数据层
  *
@@ -10,6 +12,6 @@ import com.ruoyi.system.domain.SysUserRole;
  */
 public interface SysUserRoleMapper extends BaseMapperPlus<SysUserRoleMapper, SysUserRole, SysUserRole> {
 
-    Long selectUserIdByRoleId(Long roleId);
+    List<Long> selectUserIdsByRoleId(Long roleId);
 
 }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
index 11ff7b906..2ef63881c 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
@@ -115,7 +115,7 @@ public class SysUserServiceImpl implements ISysUserService {
      */
     @Override
     public TableDataInfo<SysUser> selectUnallocatedList(SysUser user, PageQuery pageQuery) {
-        Long userId = userRoleMapper.selectUserIdByRoleId(user.getRoleId());
+        List<Long> userId = userRoleMapper.selectUserIdsByRoleId(user.getRoleId());
         QueryWrapper<SysUser> wrapper = Wrappers.query();
         wrapper.eq("u.del_flag", UserConstants.USER_NORMAL)
             .and(w -> w.ne("r.role_id", user.getRoleId()).or().isNull("r.role_id"))
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysUserRoleMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysUserRoleMapper.xml
index 2c3d18297..63a846d30 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysUserRoleMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysUserRoleMapper.xml
@@ -8,7 +8,7 @@
         <result property="userId" column="user_id"/>
         <result property="roleId" column="role_id"/>
     </resultMap>
-    <select id="selectUserIdByRoleId" resultType="Long">
+    <select id="selectUserIdsByRoleId" resultType="Long">
         select u.user_id from sys_user u
         inner join sys_user_role ur
             on u.user_id = ur.user_id and ur.role_id = #{roleId}