diff --git a/.gitmodules b/.gitmodules
index 14b84f0..52f0e1a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "src/main/proto"]
 	path = src/main/proto
 	url = http://git.yuandian.com/project/proto/dataflow
+	branch = v1.0.3
\ No newline at end of file