[NTG-context] pinyin in context

I input pinyin above Chinese character in bellow way: ------------------------------------------- \documentclass{article} \usepackage[overlap, CJK]{ruby} \usepackage{pinyin} \usepackage{CJK} \begin{CJK*}{UTF8}{song} \begin{document} \renewcommand{\rubysep}{.3ex} \renewcommand{\rubysize}{.5} \ruby{静}{\jing4} \ruby{夜}{\ye4}\ruby{思}{\si1} \end{CJK*} \end{document} ------------------------------------------------ but it has poor line break, Does contex support pinyin ? and how to implement? Thanks. -- 卷829_3 【怀香炉峰道人】贯休 常思峰顶叟，石窟土为床。日日先见日，烟霞多异香。 冥心同槁木，扫雪带微阳。终必相寻去，斯人不可忘。