diff --git a/service/basic.proto b/service/basic.proto
index 28c99eb..5a944da 100644
--- a/service/basic.proto
+++ b/service/basic.proto
@@ -13,7 +13,7 @@ message Request {
 
 // golang使用一个map返回, 使用这个response
 message Response {
-    google.protobuf.Value data=1;
+    bytes data=1;
 }