diff --git a/game.proto b/game.proto
index 0cc2d00..2fa0821 100644
--- a/game.proto
+++ b/game.proto
@@ -101,11 +101,11 @@ message RoleTaskRar {
 
 message RoleOpenBoxReq {
   string key = 1;
-  string costs = 2;
+  map<string, int32> costs = 2;
 }
 
-message RoleOpenBoxRsp {
-  string reward = 3;
+message RoleOpenBoxRsp{
+  map<string, int32> reward = 3;
 }
 
 message EquipmentDelRar {
--
libgit2 0.21.2