diff --git a/protos b/protos
index a01eb6e..5644415 160000
--- a/protos
+++ b/protos
@@ -1 +1 @@
-Subproject commit a01eb6ede9a8e3f9d5ec30bf41e9f6e0f4f9ee1f
+Subproject commit 564441523f2a69a4efeb2116addae2ed926d6e53
diff --git a/test/client.go b/test/client.go
index 58878ab..6fb3082 100644
--- a/test/client.go
+++ b/test/client.go
@@ -1,3 +1,5 @@
+//参考：https://jergoo.gitbooks.io/go-grpc-practice-guide/content/chapter2/interceptor.html
+
 package main
 
 import (
--
libgit2 0.21.2