diff --git a/amsmath-zh/UsersGuideForamsmathpackage-zh-cn.pdf b/amsmath-zh/UsersGuideForamsmathpackage-zh-cn.pdf
new file mode 100644
index 0000000..7bb247b
Binary files /dev/null and b/amsmath-zh/UsersGuideForamsmathpackage-zh-cn.pdf differ