diff --git a/doc/example/Make.bat b/doc/example/Make.bat
index e57cca7..efbd3df 100644
--- a/doc/example/Make.bat
+++ b/doc/example/Make.bat
@@ -1,32 +1,19 @@
 @echo off
 
 @rem Copyright (c) 2008-2009 solvethis
-@rem Copyright (c) 2010-2012 Casper Ti. Vector
+@rem Copyright (c) 2010-2012,2019 Casper Ti. Vector
 @rem Public domain.
 
-set JOB=thesis
-@rem 这个变量的值可以为 latex、pdflatex 或 xelatex。
-set LATEX=latex
-set BIBTEX=biber -l zh__pinyin --output-safechars
-set DVIPDF=dvipdfmx
-
-if "%LATEX%"=="latex" (set DODVIPDF=%DVIPDF% %JOB%
-) else (set DODVIPDF=echo No need to run %DVIPDF%.)
 if "%1"=="" goto doc
 if "%1"=="doc" goto doc
 if "%1"=="clean" (goto clean) else (goto usage)
 
 :doc
-%LATEX% %JOB%
-%BIBTEX% %JOB%
-%LATEX% %JOB%
-%LATEX% %JOB%
-%DODVIPDF%
+latexmk
 goto end
 
 :clean
-del *.aux *.bbl *.bcf *.blg *.dvi *.lof *.log *.lot *.run.xml *.toc *.out
-del missfont.log chap\*.aux
+latexmk -c
 goto end
 
 :usage
diff --git a/doc/example/latexmkrc b/doc/example/latexmkrc
new file mode 100644
index 0000000..4878610
--- /dev/null
+++ b/doc/example/latexmkrc
@@ -0,0 +1,11 @@
+@default_files = ('thesis');
+# 5锛歺elatex锛�3锛歭atex锛�+ dvipdfmx锛夛紱1锛歱dflatex銆�
+$pdf_mode = 5;
+# 鐢� latex 妯″紡缂栬瘧鏃讹紝浣跨敤 dvipdfmx 鑰岄潪榛樿鐨� dvipdf銆�
+$dvipdf = "dvipdfmx %O -o %D %S";
+# 姝ら�夐」鐩稿叧璇存槑瑙� texdoc latexmk銆�
+$bibtex_use = 1.5;
+$biber = "biber -l zh__pinyin --output-safechars %O %S";
+# latexmk -c 鏃惰嚜鍔ㄥ垹闄� .run.xml 鏂囦欢銆�
+$clean_ext = "run.xml";
+
diff --git a/doc/readme/Makefile b/doc/readme/Makefile
deleted file mode 100644
index 8835cd2..0000000
--- a/doc/readme/Makefile
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright (c) 2008-2009 solvethis
-# Copyright (c) 2010-2012,2014-2015,2018 Casper Ti. Vector
-# Public domain.
-
-JOB = pkuthss
-BIBTEX = biber -l zh__pinyin --output-safechars
-DVIPDF = dvipdfmx
-MAKE = make
-RM = rm -f
-
-ifndef LATEX
-	LATEX1 = latex
-	LATEX2 = xelatex
-else
-	LATEX1 = $(LATEX)
-	LATEX2 = $(LATEX)
-endif
-
-ifeq ($(LATEX), latex)
-	DODVIPDF = $(DVIPDF) $(JOB)
-endif
-
-doc:
-	$(LATEX1) $(JOB)
-	$(BIBTEX) $(JOB)
-	$(LATEX2) $(JOB)
-	$(LATEX2) $(JOB)
-	$(DODVIPDF)
-
-clean:
-	$(RM) $(JOB).aux $(JOB).bbl $(JOB).bcf $(JOB).blg $(JOB).dvi \
-		$(JOB).lof $(JOB).log $(JOB).lot $(JOB).run.xml $(JOB).toc \
-		$(JOB).out $(JOB).out.bak missfont.log texput.log chap/*.aux
-
-distclean: clean
-	$(RM) $(JOB).pdf
-
-# vim:ts=4:sw=4
diff --git a/doc/readme/latexmkrc b/doc/readme/latexmkrc
new file mode 100644
index 0000000..ac55586
--- /dev/null
+++ b/doc/readme/latexmkrc
@@ -0,0 +1,7 @@
+@default_files = ('pkuthss');
+$pdf_mode = 5;
+$dvipdf = "dvipdfmx %O -o %D %S";
+$bibtex_use = 1.5;
+$biber = "biber -l zh__pinyin --output-safechars %O %S";
+$clean_ext = "run.xml";
+
diff --git a/utils/dist b/utils/dist
index 7dc8c35..7a7aedd 100755
--- a/utils/dist
+++ b/utils/dist
@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 #
-# Copyright (c) 2011-2015 Casper Ti. Vector
+# Copyright (c) 2011-2015,2019 Casper Ti. Vector
 # Public domain.
 
 CP = cp -a
@@ -9,6 +9,7 @@ MD = mkdir -p
 RM = rm -rf
 ZIP = zip -rT
 MAKE = make
+LMK = latexmk
 SELF = utils/dist
 PERM = find . -type d -exec chmod 755 '{}' + && \
 	find . -type f -exec chmod 644 '{}' +
@@ -26,11 +27,11 @@ doc-dist: doc/
 	# Make the directory.
 	$(MD) $@/
 	# Example src and pdf.
-	cd doc/example/ && $(MAKE) && $(MAKE) clean
+	cd doc/example/ && $(LMK) && $(LMK) -c && $(RM) *.xdv
 	$(MV) doc/example/$(EXAMPLE).pdf $@/example.pdf
 	$(CP) doc/example/ $@/example
 	# Readme src and pdf.
-	cd doc/readme/ && $(MAKE) && $(MAKE) clean
+	cd doc/readme/ && $(LMK) && $(LMK) -c && $(RM) *.xdv
 	$(MV) doc/readme/$(README).pdf $@/readme.pdf
 	$(CP) doc/readme/ $@/readme
 
@@ -56,8 +57,8 @@ $(TITLE)-$(VERSION).zip: dir-ctan
 		$(ZIP) -y ../$@ $(TITLE)/ $(TITLE).tds.zip
 
 clean:
-	cd doc/readme/ && $(MAKE) distclean
-	cd doc/example/ && $(MAKE) distclean
+	cd doc/readme/ && $(LMK) -C
+	cd doc/example/ && $(LMK) -C
 	$(RM) dir-ctan/ dir-tds/ tex-dist/ doc-dist/
 
 distclean: