!79 修复 根据角色id查询用户id的bug

Merge pull request !79 from zyk492322922/master

yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/permission/PermissionServiceImpl.java

@@ -406,7 +406,7 @@ public class PermissionServiceImpl implements PermissionService {
     @Override
     public Set<Long> getUserRoleIdListByRoleIds(Collection<Long> roleIds) {
         return CollectionUtils.convertSet(userRoleMapper.selectListByRoleIds(roleIds),
-                UserRoleDO::getRoleId);
+                UserRoleDO::getUserId);
     }
 
 }