diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/permission/PermissionServiceImpl.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/permission/PermissionServiceImpl.java
index 81bfcfc1f..dba2831ca 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/permission/PermissionServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/permission/PermissionServiceImpl.java
@@ -138,8 +138,9 @@ public class PermissionServiceImpl implements PermissionService {
         // 获得角色拥有菜单编号
         Set<Long> dbMenuIds = convertSet(roleMenuMapper.selectListByRoleId(roleId), RoleMenuDO::getMenuId);
         // 计算新增和删除的菜单编号
-        Collection<Long> createMenuIds = CollUtil.subtract(menuIds, dbMenuIds);
-        Collection<Long> deleteMenuIds = CollUtil.subtract(dbMenuIds, menuIds);
+        Set<Long> menuIdList = CollUtil.emptyIfNull(menuIds);
+        Collection<Long> createMenuIds = CollUtil.subtract(menuIdList, dbMenuIds);
+        Collection<Long> deleteMenuIds = CollUtil.subtract(dbMenuIds, menuIdList);
         // 执行新增和删除。对于已经授权的菜单，不用做任何处理
         if (CollUtil.isNotEmpty(createMenuIds)) {
             roleMenuMapper.insertBatch(CollectionUtils.convertList(createMenuIds, menuId -> {
@@ -205,8 +206,9 @@ public class PermissionServiceImpl implements PermissionService {
         Set<Long> dbRoleIds = convertSet(userRoleMapper.selectListByUserId(userId),
                 UserRoleDO::getRoleId);
         // 计算新增和删除的角色编号
-        Collection<Long> createRoleIds = CollUtil.subtract(roleIds, dbRoleIds);
-        Collection<Long> deleteMenuIds = CollUtil.subtract(dbRoleIds, roleIds);
+        Set<Long> roleIdList = CollUtil.emptyIfNull(roleIds);
+        Collection<Long> createRoleIds = CollUtil.subtract(roleIdList, dbRoleIds);
+        Collection<Long> deleteMenuIds = CollUtil.subtract(dbRoleIds, roleIdList);
         // 执行新增和删除。对于已经授权的角色，不用做任何处理
         if (!CollectionUtil.isEmpty(createRoleIds)) {
             userRoleMapper.insertBatch(CollectionUtils.convertList(createRoleIds, roleId -> {
diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/user/AdminUserServiceImpl.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/user/AdminUserServiceImpl.java
index dbfc02ed3..94bde8787 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/user/AdminUserServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/user/AdminUserServiceImpl.java
@@ -117,7 +117,7 @@ public class AdminUserServiceImpl implements AdminUserService {
         Long userId = reqVO.getId();
         Set<Long> dbPostIds = convertSet(userPostMapper.selectListByUserId(userId), UserPostDO::getPostId);
         // 计算新增和删除的岗位编号
-        Set<Long> postIds = updateObj.getPostIds();
+        Set<Long> postIds = CollUtil.emptyIfNull(updateObj.getPostIds());
         Collection<Long> createPostIds = CollUtil.subtract(postIds, dbPostIds);
         Collection<Long> deletePostIds = CollUtil.subtract(dbPostIds, postIds);
         // 执行新增和删除。对于已经授权的菜单，不用做任何处理