diff --git a/book/instructions.cls b/book/instructions.cls
index b186e68..4bf9094 100644
--- a/book/instructions.cls
+++ b/book/instructions.cls
@@ -77,9 +77,9 @@
 %======================================================================
 % 设置 PDF 文件信息
 \hypersetup{
-  pdfauthor = {333},
-  pdftitle = {Q-book},
-  pdfkeywords = {template}}
+  pdfauthor = {计算机网络教案社区},
+  pdftitle = {实验指导书},
+  pdfkeywords = {计算机网络}}
 %======================================================================
 % 汉化参考文献标题
 \g@addto@macro\backmatter{