diff --git a/.gitmodules b/.gitmodules
index f266782..501493c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "third_party/a8engine"]
 	path = third_party/a8engine
 	url = git@git.kingsome.cn:server_common/a8engine.git
+[submodule "third_party/behaviac"]
+	path = third_party/behaviac
+	url = git@git.kingsome.cn:libs/behaviac.git
diff --git a/third_party/behaviac b/third_party/behaviac
new file mode 160000
index 0000000..fb32ab5
--- /dev/null
+++ b/third_party/behaviac
@@ -0,0 +1 @@
+Subproject commit fb32ab557952bc66abd459452a11f12db425a793