[tex-live] simplefonts module of context fails to work in TL2010

[xiebin]

After a fresh web installation, the simplefonts module fails to work.
Here is the related info:
system          : module simplefonts loaded
(C:/texlive/2010/texmf-dist/tex/context/third/simplefonts/t-simplefonts.tex
loading         : ConTeXt User Module / Simplefonts
! LuaTeX error <main ctx instance>:1: unexpected symbol near ')'.
<argument> ....loadluafile("t-simplefonts",\par )}
\secondoftwoarguments #1#2->#2
l.144
?
And here is my input tex file:
\usemodule[simplefonts]
\setmainfont[timesnewroman]
\setcjkmainfont[microsoftyahei]
\setscript[hanzi]
\starttext
test
\stoptext
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