diff --git a/proto/sgx/dtpm.proto b/proto/sgx/dtpm.proto
index 89cc5d1..200b5d2 100644
--- a/proto/sgx/dtpm.proto
+++ b/proto/sgx/dtpm.proto
@@ -38,7 +38,6 @@ message RestartPolicy {
   }
 }
 
-
 message DtpmSetConfigReq {
   DtpmConfigData config_data = 1;
   string metadata = 2;
@@ -55,6 +54,6 @@ message DtpmGetConfigRes {
 
 service DtpmConfigManager {
   rpc SetConfig(DtpmSetConfigReq) returns (DtpmSetConfigRes) {}
-  rpc UploadFiles(stream FileEntry) returns (DtpmSetConfigRes) {}
+  rpc UploadFiles(stream FileEntry) returns (common_proto.Empty) {}
   rpc GetConfig(common_proto.Empty) returns (DtpmGetConfigRes) {}
 }
\ No newline at end of file