diff --git a/Makefile b/Makefile
index 473b793..067c7f3 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 TITLE = pkuthss
 README = $(TITLE)
 EXAMPLE = thesis
-VERSION = 1.8.0
+VERSION = 1.8.1
 
 default: dist
 
diff --git a/doc/example/latexmkrc b/doc/example/latexmkrc
index 4878610..8df2c24 100644
--- a/doc/example/latexmkrc
+++ b/doc/example/latexmkrc
@@ -1,3 +1,6 @@
+# Copyright (c) 2019 Casper Ti. Vector
+# Public domain.
+
 @default_files = ('thesis');
 # 5：xelatex；3：latex（+ dvipdfmx）；1：pdflatex。
 $pdf_mode = 5;
diff --git a/doc/example/spine.tex b/doc/example/spine.tex
index a2520ff..005e4c3 100644
--- a/doc/example/spine.tex
+++ b/doc/example/spine.tex
@@ -1,4 +1,4 @@
-% Copyright (c) 2018 Casper Ti. Vector
+% Copyright (c) 2018-2019 Casper Ti. Vector
 % Public domain.
 
 \documentclass[UTF8, zihao = -4]{ctexart}
diff --git a/doc/readme/ChangeLog.txt b/doc/readme/ChangeLog.txt
index f1f0027..57eac50 100644
--- a/doc/readme/ChangeLog.txt
+++ b/doc/readme/ChangeLog.txt
@@ -1,3 +1,25 @@
+2019-11-15, v1.8.1
+
+	* Changes to example template:
+	- Migrate to latexmk (also for packaging).
+	- ctex-fontset-pkuthss.def: `[ simkai.ttf ]' etc is no longer supported.
+	- spine.tex: fix garbled characters and hbox warnings with pdflatex.
+
+	* Changes to package code:
+	- pkuthss.cls: work around the `\lvert already defined' error.
+	- pkuthss.cls: fix section title spacing below the page header.
+	- pkuthss.cls: adjust titlepage spacing.
+
+	* Changes to documentation:
+	- Synchronise with the current code.
+	- Use \mbox around \supercite by default.
+	- Improve verbatims.
+
+	* Misc:
+	- Completion of some previous commits.
+	- Migrate to Gitea, "for obvious reasons".
+	- Minor fixes and cosmetics.
+
 2018-07-02, v1.8.0
 
 	* Changes to example template:
diff --git a/doc/readme/chap/pkuthss-copy.tex b/doc/readme/chap/pkuthss-copy.tex
index 74b2cc1..68fa2d9 100644
--- a/doc/readme/chap/pkuthss-copy.tex
+++ b/doc/readme/chap/pkuthss-copy.tex
@@ -31,7 +31,7 @@
 
 版权所有 \copyright\ 2008--2009 solvethis
 \par
-版权所有 \copyright\ 2010--2017 Casper Ti. Vector
+版权所有 \copyright\ 2010--2019 Casper Ti. Vector
 \vskip 1em
 
 pkuthss 文档类及其说明文档均以 \hologo{LaTeX} Project Public License 发布。
diff --git a/doc/readme/latexmkrc b/doc/readme/latexmkrc
index ac55586..0f25b84 100644
--- a/doc/readme/latexmkrc
+++ b/doc/readme/latexmkrc
@@ -1,3 +1,6 @@
+# Copyright (c) 2019 Casper Ti. Vector
+# Public domain.
+
 @default_files = ('pkuthss');
 $pdf_mode = 5;
 $dvipdf = "dvipdfmx %O -o %D %S";
diff --git a/doc/readme/pkuthss.tex b/doc/readme/pkuthss.tex
index 0a4ad2e..70989ba 100644
--- a/doc/readme/pkuthss.tex
+++ b/doc/readme/pkuthss.tex
@@ -1,7 +1,7 @@
 % Documentation for pkuthss.
 %
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2016,2018 Casper Ti. Vector
+% Copyright (c) 2010-2016,2018-2019 Casper Ti. Vector
 %
 % This work may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License, either version 1.3 of this license or (at
@@ -60,7 +60,7 @@
 	cauthor = {盖茨波·钛·维克托},
 	eauthor = {Casper Ti.\ Vector},
 	studentid = {00910???},
-	date = {\zhdigits{2018}年\zhnumber{7}月},
+	date = {\zhdigits{2019} 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 8c39301..8ebb0f6 100644
--- a/tex/pkuthss-gbk.def
+++ b/tex/pkuthss-gbk.def
@@ -22,7 +22,7 @@
 %   pkuword.eps
 
 \ProvidesFile{pkuthss-gbk.def}
-	[2018/07/02 v1.8.0 Labels and captions in GBK encoding
+	[2019/11/15 v1.8.1 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 b699685..64cbcf1 100644
--- a/tex/pkuthss-utf8.def
+++ b/tex/pkuthss-utf8.def
@@ -22,7 +22,7 @@
 %   pkuword.eps
 
 \ProvidesFile{pkuthss-utf8.def}
-	[2018/07/02 v1.8.0 Labels and captions in UTF-8 encoding
+	[2019/11/15 v1.8.1 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 c1337c8..0e0c766 100644
--- a/tex/pkuthss.cls
+++ b/tex/pkuthss.cls
@@ -1,7 +1,7 @@
 % Peking University dissertation document class
 %
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2018 Casper Ti. Vector
+% Copyright (c) 2010-2019 Casper Ti. Vector
 %
 % This work may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License, either version 1.3 of this license or (at
@@ -23,7 +23,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesClass{pkuthss}
-	[2018/07/02 v1.8.0 Peking University dissertation document class]
+	[2019/11/15 v1.8.1 Peking University dissertation document class]
 
 % eg. `\thss@int@boolopt{spacing}{true}' will expand to:
 %   \newif\ifthss@opt@spacing \thss@opt@spacingtrue
diff --git a/utils/bump b/utils/bump
index 1c96b95..32152f2 100755
--- a/utils/bump
+++ b/utils/bump
@@ -4,7 +4,7 @@
 # Public domain.
 
 NUMDATE = $(shell date '+%Y/%m/%d')
-CNDATE = $(shell date '+\\zhdigits{%Y}年\\zhnumber{%-m}月')
+CNDATE = $(shell date '+\\zhdigits{%Y} 年 \\zhnumber{%-m} 月')
 
 revbump:
 	sed -i '/\\Provides/,+1 s;\[[^ ]* [^ ]*;[$(NUMDATE) v$(VERSION);g' \