diff --git a/.gitmodules b/.gitmodules
index 3b359674..613a669e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,7 @@
 	path = tools/rust-course
 	url = https://github.com/sunface/rust-course.git
 	branch = gh-pages
+[submodule "tools/rusty-book"]
+	path = tools/rusty-book
+	url = https://github.com/rustlang-cn/rusty-book.git
+	branch = gh-pages
diff --git a/tools/rusty-book b/tools/rusty-book
new file mode 160000
index 00000000..916a455f
--- /dev/null
+++ b/tools/rusty-book
@@ -0,0 +1 @@
+Subproject commit 916a455f422b4a1a2146ce3d96602165227a09b4