diff --git a/book.toml b/book.toml
index 8d7bde4..a8d0c4e 100644
--- a/book.toml
+++ b/book.toml
@@ -5,15 +5,15 @@ multilingual = false
 src = "src"
 title = "rust-note"
 
-[preprocessor.theme]
-pagetoc = true
-sidebar-width = "320px"
-pagetoc-width = "15%"
-content-max-width = "75%"
-content-main-margin-left  = "4%"
-content-main-margin-right = "4%"
-nav-chapters-max-width    = "3%"
-nav-chapters-min-width    = "3%"
+# [preprocessor.theme]
+# pagetoc = true
+# sidebar-width = "320px"
+# pagetoc-width = "15%"
+# content-max-width = "75%"
+# content-main-margin-left  = "4%"
+# content-main-margin-right = "4%"
+# nav-chapters-max-width    = "3%"
+# nav-chapters-min-width    = "3%"
 
 [output.html]
 default-theme = "ayu"