diff --git a/ctex/ctex.dtx b/ctex/ctex.dtx
index ddf6c3b5..dbdd1376 100644
--- a/ctex/ctex.dtx
+++ b/ctex/ctex.dtx
@@ -530,7 +530,7 @@ Copyright and Licence
 %<founder>\ProvidesExplFile{ctex-fontset-founder.def}
 %<ubuntu>  {Ubuntu fonts definition (CTEX)}
 %<ubuntu>\ProvidesExplFile{ctex-fontset-ubuntu.def}
-%<!driver>  {\ExplFileDate}{2.4.16}{\ExplFileDescription}
+%<!driver>  {\ExplFileDate}{2.5}{\ExplFileDescription}
 %</!(fd|ctexspa|dict|backend)>
 %<c19&rm>\ProvidesFile{c19rm.fd}%
 %<c19&sf>\ProvidesFile{c19sf.fd}%
@@ -548,10 +548,10 @@ Copyright and Licence
 %<backend>\ProvidesFile{ctexbackend.cfg}%
 %<dict&theorem&GBK>\ProvidesDictionary{translator-theorem-dictionary}{ChineseGBK}%
 %<dict&theorem&UTF8>\ProvidesDictionary{translator-theorem-dictionary}{ChineseUTF8}%
-%<fd>  [2019/05/29 v2.4.16 Chinese font definition (CTEX)]
-%<ctexspa>  [2019/05/29 v2.4.16 Space info for CJKpunct (CTEX)]
-%<backend>  [2019/05/29 v2.4.16 Backend configuration file (CTEX)]
-%<dict&theorem>  [2019/05/29 v2.4.16 Chinese translation for theorem name (CTEX)]
+%<fd>  [2020/05/01 v2.5 Chinese font definition (CTEX)]
+%<ctexspa>  [2020/05/01 v2.5 Space info for CJKpunct (CTEX)]
+%<backend>  [2020/05/01 v2.5 Backend configuration file (CTEX)]
+%<dict&theorem>  [2020/05/01 v2.5 Chinese translation for theorem name (CTEX)]
 %</!(driver|readme|install|zhmap|spa|docstrip)>
 %<*driver>
 \documentclass{ctxdoc}
@@ -10600,17 +10600,17 @@ Copyright and Licence
 % 文件标识信息。
 %    \begin{macrocode}
 %<adobe>\ProvidesFile{zhadobefonts.tex}%
-%<adobe>  [2019/05/29 v2.4.16 Adobe font map loader for DVIPDFMx (CTEX)]
+%<adobe>  [2020/05/01 v2.5 Adobe font map loader for DVIPDFMx (CTEX)]
 %<fandol>\ProvidesFile{zhfandolfonts.tex}%
-%<fandol>  [2019/05/29 v2.4.16 Fandol font map loader for DVIPDFMx (CTEX)]
+%<fandol>  [2020/05/01 v2.5 Fandol font map loader for DVIPDFMx (CTEX)]
 %<founder>\ProvidesFile{zhfounderfonts.tex}%
-%<founder>  [2019/05/29 v2.4.16 Founder font map loader for pdfTeX and DVIPDFMx (CTEX)]
+%<founder>  [2020/05/01 v2.5 Founder font map loader for pdfTeX and DVIPDFMx (CTEX)]
 %<mac>\ProvidesFile{zhmacfonts.tex}%
-%<mac>  [2019/05/29 v2.4.16 Mac font map loader for pdfTeX and DVIPDFMx (CTEX)]
+%<mac>  [2020/05/01 v2.5 Mac font map loader for pdfTeX and DVIPDFMx (CTEX)]
 %<ubuntu>\ProvidesFile{zhubuntufonts.tex}%
-%<ubuntu>  [2019/05/29 v2.4.16 Ubuntu font map loader for pdfTeX and DVIPDFMx (CTEX)]
+%<ubuntu>  [2020/05/01 v2.5 Ubuntu font map loader for pdfTeX and DVIPDFMx (CTEX)]
 %<windows>\ProvidesFile{zhwindowsfonts.tex}%
-%<windows>  [2019/05/29 v2.4.16 Windows font map loader for pdfTeX and DVIPDFMx (CTEX)]
+%<windows>  [2020/05/01 v2.5 Windows font map loader for pdfTeX and DVIPDFMx (CTEX)]
 %    \end{macrocode}
 %
 % \paragraph{\pkg{zhadobefonts.tex}}
diff --git a/support/zhconv.lua b/support/zhconv.lua
index 0297f0b1..8af2161e 100644
--- a/support/zhconv.lua
+++ b/support/zhconv.lua
@@ -32,8 +32,8 @@ zhconv        = zhconv or { }
 local zhconv  = zhconv
 zhconv.module = {
   name        = "zhconv",
-  version     = "0",
-  date        = "2020/04/10",
+  version     = "0.1",
+  date        = "2020/05/01",
   description = "GBK/GB18030/Big5 encoder",
   author      = "Qing Lee",
   copyright   = "Qing Lee",