diff --git a/lib/layouts/ctex-article.layout b/lib/layouts/ctex-article.layout
index 0972d057bd..d5b0e7c0e0 100644
--- a/lib/layouts/ctex-article.layout
+++ b/lib/layouts/ctex-article.layout
@@ -1,5 +1,5 @@
 #% Do not delete the line below; configure depends on this      
-#  \DeclareLaTeXClass[ctexart]{article (CTeX)}
+#  \DeclareLaTeXClass[ctexart,savesym.sty,xeCJK.sty]{article (CTeX)}
 
 Format 35
 
diff --git a/lib/layouts/ctex-book.layout b/lib/layouts/ctex-book.layout
index e170451c10..6ccc6fbe34 100644
--- a/lib/layouts/ctex-book.layout
+++ b/lib/layouts/ctex-book.layout
@@ -1,5 +1,5 @@
 #% Do not delete the line below; configure depends on this      
-#  \DeclareLaTeXClass[ctexbook]{book (CTeX)}
+#  \DeclareLaTeXClass[ctexbook,savesym.sty,xeCJK.sty]{book (CTeX)}
 
 Format 35
 
diff --git a/lib/layouts/ctex-report.layout b/lib/layouts/ctex-report.layout
index 1e441e77dd..8625532756 100644
--- a/lib/layouts/ctex-report.layout
+++ b/lib/layouts/ctex-report.layout
@@ -1,5 +1,5 @@
 #% Do not delete the line below; configure depends on this      
-#  \DeclareLaTeXClass[ctexrep]{report (CTeX)}
+#  \DeclareLaTeXClass[ctexrep,savesym.sty,xeCJK.sty]{report (CTeX)}
 
 Format 35