明笔峒山房刊刻的《槃薖硕人增改定本西厢记》,已经为古典戏曲研究者所熟知,1963年,中华书局影印了该本,著名学者王季思还为该本写了跋文,作了介绍和评论(见《玉轮轩曲论》,中华书局1980年出版)。但是,槃薖硕人增改的《琵琶记》却一直没有得到注意;关于该本的藏处,侯百朋先生的《〈琵琶记〉资料汇编》(书目文献出版社1989年出版)注明藏于日本东京大学, Ming dynasty room mountain house engraved “master” to modify the fixed capital of the Western Chamber, “has been well known to classical opera researchers, in 1963, Zhonghua Book Company photocopy the book, the famous scholar Wang Jisi wrote the postscript for the book, made Introduction and comment (see ”Yulun Xuan song theory“, Zhonghua Book Company published in 1980). However, the ”Pipa“, which is a monumental change, has not been noticed for a long time. On this collection, Hou Baipeng’s ”Pipa" Collection of Compilation (Bibliography Press, 1989) Tokyo University, Japan,