Co-authored-by: guqing <1484563614@qq.com>

update Log4j version to 2.17.0
- CVE-2021-45105 Fixed in Log4j 2.17.0 (Java 8)
- CVE-2021-45046 Fixed in Log4j 2.16.0 (Java 8)
Co-authored-by: NHAHH9527 <hahh9527@qq.com>

Co-authored-by: guqing <1484563614@qq.com>

* fix: security warning of log4j 0-day

* refactor: log4j version

* feat: add a todo comment
Co-authored-by: guqing <1484563614@qq.com>

Signed-off-by: NJohn Niang <johnniang@fastmail.com>

Automated cherry pick of #1549: Fixed the problem that copying the default theme at halo startup did not use themeId as the theme folder name (#1562)

* fix: 1547

* refactor: replace the string magic value using a static constant
Co-authored-by: guqing <1484563614@qq.com>

Co-authored-by: NTimber.Wang <57060551+TimberKito@users.noreply.github.com>

* fix: batch update

* refactor: renaming variable
Co-authored-by: guqing <1484563614@qq.com>

Signed-off-by: NJohn Niang <johnniang@fastmail.com>

Signed-off-by: NJohn Niang <johnniang@fastmail.com>

Signed-off-by: NJohn Niang <johnniang@fastmail.com>

* feat: Add backup options

* feat: add sort for list backup items api

* refactor: rename varibles

* hexo语法省略开头的---时无法解析元信息，兼容此种情况

* 修复导入markdown文件时固定条件下出现 [该标签已存在] 的异常

* hexo语法的博客在实际使用时可以省略开头的 --- 分隔符 : add unit test

* fix code style
Co-authored-by: zhanglei <zhanglei9588@foxmail.com>

* feat: Add date parse methods and test

* feat: Add utility methods of get the specified part of the given date

* refactor: Replace the use of dateutil in hutool

* refactor: Replace the StrUtil of hutool with StringUtils of commons-lang3

* refactor: Replace the use of Tuple in hutool

* refactor: Replace the use of ServltUtil in hutool

* refactor: Replace the use of PageUtil in hutool

* refactor: Replace the use of CollectionUtil in hutool

* refactor: Add QRcode generate method

* refactor: replace all hutool utility and add some utils

* fix: check style of tests

* refactor: add logging

* fix: logging

* fix: set default timezone

* fix: code style

* refactor: rename variable tfaKey to mfaKey

* refactor: Use commons-lang3's RandomStringUtils to replace some methods

* refactor: update javadoc

* refactor: update test

* refactor: reformat code

* feat: Add more test case

* feat: Add source

Co-authored-by: Ncetr <2058930674@qq.com>

* #1470 目录加密-目录输入密码访问-看不见文章

* status - > statuses

* fixed #1473

* fixed the problem of without dimension information when uploading an ICO picture#1473
Co-authored-by: NJenson-Mac <Jenson.zq@gmail.com>

* separate admin and client option configuration

* resolve checkstyle error

fix: minIO的Region修改为非必要配置项

* chore: add deployment method option for issue templates.
Signed-off-by: Ryan Wang <i@ryanc.cc>

Co-authored-by: Nli-guohao <liguohao_cn@qq.com>

* fix: deleting a non-picture file throws an exception.

#1437

* doc: update CHANGELOG.md

* fix: #1432

* doc: update CHANGELOG.md