Possible Duplicate:
LaTeX baffled by BOM---Unicode's byte order mark.
\documentclass[12pt,a4paper]{article}
\usepackage{CJK}
\usepackage{pinyin}
\begin{document}
\begin{CJK}{UTF8}{cyberbit}
Test
新年快乐
\end{CJK}
\end{document}

How to solve it?