diff --git a/role.proto b/role.proto
index d2e857f..9f8f708 100644
--- a/role.proto
+++ b/role.proto
@@ -279,6 +279,7 @@ message RoleTaskOpenNty {
 
 
 message RoleSurviveCarbonStartReq {
+  int32 carbon_id = 1;
 }
 
 message RoleSurviveCarbonStartRsp {
--
libgit2 0.21.2