diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index cc14d3ad..bfc855dc 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -540,6 +540,7 @@ message PveGeminiMode
     optional string score_reward = 5;
     optional string round_score = 7;
     optional string next_door = 6;
+    optional int32 wave_prepare_time = 8;
 }
 
 //end