diff --git a/.gitmodules b/.gitmodules
index 5a15324..f38695b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,9 @@
 [submodule "third_party/recastnavigation"]
 	path = third_party/recastnavigation
 	url = git@git.kingsome.cn:libs/recastnavigation.git
+[submodule "third_party/a8"]
+	path = third_party/a8
+	url = git@git.kingsome.cn:server_common/a8.git
+[submodule "third_party/f8"]
+	path = third_party/f8
+	url = git@git.kingsome.cn:server_common/f8.git
diff --git a/third_party/a8 b/third_party/a8
new file mode 160000
index 0000000..73a4706
--- /dev/null
+++ b/third_party/a8
@@ -0,0 +1 @@
+Subproject commit 73a4706673d6b773ca2e5cf102c45e0f2245aa5b
diff --git a/third_party/f8 b/third_party/f8
new file mode 160000
index 0000000..208022c
--- /dev/null
+++ b/third_party/f8
@@ -0,0 +1 @@
+Subproject commit 208022cc5f24064097151264ce6374013e827d7d