diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..64cb43c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "assets/lexicon/THUOCL"]
+	path = assets/lexicon/THUOCL
+	url = https://github.com/thunlp/THUOCL.git
diff --git a/assets/lexicon/THUOCL b/assets/lexicon/THUOCL
new file mode 160000
index 0000000..a30ce79
--- /dev/null
+++ b/assets/lexicon/THUOCL
@@ -0,0 +1 @@
+Subproject commit a30ce79d895d01ab5132a5c74c29703ff7efb4cc