diff --git a/game.proto b/game.proto
index 4750312..6d694af 100644
--- a/game.proto
+++ b/game.proto
@@ -71,7 +71,7 @@ message RoleStartBattleReq {
 }
 
 message RoleStartBattleRsp {
-  int32 curSp = 1;
+  int32 cur_sp = 1;
 }
 
 message RoleEndBattleReq {
--
libgit2 0.21.2