diff --git a/.gitmodules b/.gitmodules
index 4256a76..685b928 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "common/pb"]
 	path = common/pb
 	url = http://114.132.124.145:3000/liuxiaobo/pb.git
+[submodule "fox"]
+	path = fox
+	url = http://114.132.124.145:3000/liuxiaobo/fox.git
diff --git a/fox b/fox
new file mode 160000
index 0000000..b73c3e8
--- /dev/null
+++ b/fox
@@ -0,0 +1 @@
+Subproject commit b73c3e89dd5ffcfaa3e38fbd30fc95b07caab58e