diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 004ff735..72d39a2c 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -704,6 +704,7 @@ message MFExplosion
     optional int32 effect = 4 [default = 0]; //爆照效果 0：普通爆照 1:核爆炸
     optional float rotate = 5; //旋转
     optional float rad = 6; //半径
+    optional int32 bullet_uniid = 7; //子弹唯一id,如果是子弹产生的爆炸
 }
 
 //烟雾