diff --git a/CHANGELOG.md b/CHANGELOG.md
index 366f9ab..569f34f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,10 @@
 - 修复研究生封面上第二导师的显示问题 - [#172]
 - 修复 `\njusetname` 的可选参数问题
 
+### 变动
+
+- 本科生模板封面校徽居中 - [#173]
+
 ### 杂项
 
 - 跟进 2023 年本科毕业论文规定
@@ -507,6 +511,7 @@
 [#169]: https://github.com/nju-lug/NJUThesis/issues/169
 [#170]: https://github.com/nju-lug/NJUThesis/issues/170
 [#172]: https://github.com/nju-lug/NJUThesis/issues/172
+[#173]: https://github.com/nju-lug/NJUThesis/issues/173
 
 [更新日志]: https://keepachangelog.com/zh-CN/1.0.0/
 [语义化版本]: https://semver.org/lang/zh-CN/
diff --git a/source/njuthesis.dtx b/source/njuthesis.dtx
index a967ffd..37a19e1 100644
--- a/source/njuthesis.dtx
+++ b/source/njuthesis.dtx
@@ -115,7 +115,7 @@ To produce the documentation run the original source files ending with
 %<class>\ProvidesExplClass{njuthesis}
 %<def-u>  {Undergraduate definition file for njuthesis}
 %<def-u>\ProvidesExplFile{njuthesis-undergraduate.def}
-%<def-g>  {Graduate definition file for njuthesis}`'
+%<def-g>  {Graduate definition file for njuthesis}
 %<def-g>\ProvidesExplFile{njuthesis-graduate.def}
 % ^^A 诚耀百廿，雄创一流
 % ^^A 南京大学一百二十周年华诞邀您共襄盛举！
@@ -6352,14 +6352,14 @@ To produce the documentation run the original source files ending with
 % \subparagraph{封面}
 %
 % \begin{macro}{u/cover/emblem-img}
+% \changes{v1.1}{2023/01/15}{本科生模板封面校徽居中。}
 % 本科生封面校徽图片实例。
 %    \begin{macrocode}
 %<*def-u>
 \@@_declare_element:nn { u / cover / emblem-img }
   {
     content     = \@@_emblem:N \c_@@_emblemwd_dim,
-    bottom-skip = 10 pt,
-    align       = l
+    bottom-skip = 10 pt
   }
 %    \end{macrocode}
 % \end{macro}