diff --git a/.gitmodules b/.gitmodules
index 048cce1..22d6b7e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,9 @@
 [submodule "third_party/tools"]
 	path = third_party/tools
 	url = git@git.kingsome.cn:server_common/tools.git
+[submodule "third_party/behaviac"]
+	path = third_party/behaviac
+	url = git@git.kingsome.cn:libs/behaviac.git
+[submodule "third_party/recastnavigation"]
+	path = third_party/recastnavigation
+	url = git@git.kingsome.cn:libs/recastnavigation.git
diff --git a/third_party/behaviac b/third_party/behaviac
new file mode 160000
index 0000000..2404145
--- /dev/null
+++ b/third_party/behaviac
@@ -0,0 +1 @@
+Subproject commit 240414570ee2848291d24ff8d3102dc43d4104a3
diff --git a/third_party/recastnavigation b/third_party/recastnavigation
new file mode 160000
index 0000000..35ca2ea
--- /dev/null
+++ b/third_party/recastnavigation
@@ -0,0 +1 @@
+Subproject commit 35ca2eadc32161cd6ab479d1a2626759a73bb5a3