diff --git a/Makefile b/Makefile
index 84c77cc..c28cf6a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 
 TITLE = pkuthss
 EXAMPLE = thesis
-VERSION = 1.8.2
+VERSION = 1.8.3
 
 default: dist
 
diff --git a/doc/readme/ChangeLog.txt b/doc/readme/ChangeLog.txt
index 820daec..aaf026b 100644
--- a/doc/readme/ChangeLog.txt
+++ b/doc/readme/ChangeLog.txt
@@ -1,3 +1,21 @@
+2020-11-02, v1.8.3
+
+	* Changes to example template:
+	- ctex-fontset-pkuthss.def: update `\ctex_load_zhmap' usage.
+	- Remove Makefile.
+
+	* Changes to package code:
+	- pkuthss.cls: do not let ulem mess with `\emph'.
+	- pkuthss.cls: make `ugly' title page more compliant.
+
+	* Changes to documentation:
+	- pkuthss-chap[12].tex: `须'/`需' typo.
+	- Remove space around `\zhdigits' in date.
+	- Add pkuthss.bib to copyright lines.
+
+	* Misc:
+	- Minor fixes and cosmetics.
+
 2019-11-17, v1.8.2
 
 	* Misc:
diff --git a/doc/readme/pkuthss.tex b/doc/readme/pkuthss.tex
index 5ad2335..522ebd9 100644
--- a/doc/readme/pkuthss.tex
+++ b/doc/readme/pkuthss.tex
@@ -50,7 +50,7 @@
 	tabsize = 4, formatcom = {\ifXeTeX\xeCJKVerbAddon\fi}
 }
 
-\newcommand*{\docversion}{v1.8.2}
+\newcommand*{\docversion}{v1.8.3}
 \pkuthssinfo{
 	cthesisname = {本科生毕业论文}, ethesisname = {Undergraduate Thesis},
 	ctitle = {北京大学学位论文模版\\pkuthss \docversion},
@@ -61,7 +61,7 @@
 	cauthor = {盖茨波·钛·维克托},
 	eauthor = {Casper Ti.\ Vector},
 	studentid = {00910???},
-	date = {\zhdigits{2019}年\zhnumber{11}月},
+	date = {\zhdigits{2020}年\zhnumber{11}月},
 	school = {化学与分子工程学院},
 	cmajor = {化学（？）}, emajor = {Chemistry ... ?},
 	direction = {据说 Casper 自己也不知道},
diff --git a/tex/pkuthss-gbk.def b/tex/pkuthss-gbk.def
index 02e885d..caf9986 100644
--- a/tex/pkuthss-gbk.def
+++ b/tex/pkuthss-gbk.def
@@ -22,7 +22,7 @@
 %   pkuword.eps
 
 \ProvidesFile{pkuthss-gbk.def}
-	[2019/11/17 v1.8.2 Labels and captions in GBK encoding
+	[2020/11/02 v1.8.3 Labels and captions in GBK encoding
 		for the pkuthss document class]
 
 \def\label@ctitle{��Ŀ��}
diff --git a/tex/pkuthss-utf8.def b/tex/pkuthss-utf8.def
index 9bc6000..a5f2722 100644
--- a/tex/pkuthss-utf8.def
+++ b/tex/pkuthss-utf8.def
@@ -22,7 +22,7 @@
 %   pkuword.eps
 
 \ProvidesFile{pkuthss-utf8.def}
-	[2019/11/17 v1.8.2 Labels and captions in UTF-8 encoding
+	[2020/11/02 v1.8.3 Labels and captions in UTF-8 encoding
 		for the pkuthss document class]
 
 \def\label@ctitle{题目：}
diff --git a/tex/pkuthss.cls b/tex/pkuthss.cls
index e34fe2d..0a021b8 100644
--- a/tex/pkuthss.cls
+++ b/tex/pkuthss.cls
@@ -23,7 +23,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesClass{pkuthss}
-	[2019/11/17 v1.8.2 Peking University dissertation document class]
+	[2020/11/02 v1.8.3 Peking University dissertation document class]
 
 % eg. `\thss@int@boolopt{spacing}{true}' will expand to:
 %   \newif\ifthss@opt@spacing \thss@opt@spacingtrue