diff --git a/proto/sgx/dtpm.proto b/proto/sgx/dtpm.proto
index edf83ab..5622bb3 100644
--- a/proto/sgx/dtpm.proto
+++ b/proto/sgx/dtpm.proto
@@ -2,8 +2,7 @@ syntax = "proto3";
 
 package dtpm_proto;
 
-message Empty {
-}
+import "shared/common.proto";
 
 message DtpmConfigData {
   repeated FileEntry filesystems = 1;
@@ -46,16 +45,12 @@ message DtpmSetConfigRes {
   string status = 1;
   string error = 2;
 }
-message DtpmGetConfigReq {
-  Empty empty = 1;
-}
 
 message DtpmGetConfigRes {
   DtpmConfigData config_data = 1;
 }
 
-
 service DtpmConfigManager {
   rpc SetConfig(DtpmSetConfigReq) returns (DtpmSetConfigRes) {}
-  rpc GetConfig(DtpmGetConfigReq) returns (DtpmGetConfigRes) {}
+  rpc GetConfig(common_proto.Empty) returns (DtpmGetConfigRes) {}
 }
\ No newline at end of file