diff --git a/server/gameserver/gridcell.cc b/server/gameserver/gridcell.cc
index be058384..48792fad 100644
--- a/server/gameserver/gridcell.cc
+++ b/server/gameserver/gridcell.cc
@@ -39,6 +39,9 @@ void GridCell::TraverseHumanList(std::function<void (Human*, bool&)> func,
         if (!c->IsHuman()) {
             continue;
         }
+        if (c->IsOb()) {
+            continue;
+        }
         Human* hum = (Human*)c;
         func(hum, stop);
         if (stop) {
@@ -55,6 +58,9 @@ void GridCell::TraverseCreatures(std::function<void (Creature*, bool&)>& func,
 {
     ++Perf::Instance()->traversing_cell_creature_count;
     for (Creature* c : creatures_[room_idx]) {
+        if (c->IsOb()) {
+            continue;
+        }
         func(c, stop);
         if (stop) {
             --Perf::Instance()->traversing_cell_creature_count;
diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index acc51b91..0516da5f 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -2108,6 +2108,10 @@ void Human::PushJoinRoomMsg()
         } else {
             notifymsg.set_side(0);
         }
+        if (IsOb()) {
+            notifymsg.set_is_viewer(1);
+            notifymsg.set_player_id(0);
+        }
         GGListener::Instance()->SendToClient(socket_handle, 0, notifymsg);
         #ifdef MYDEBUG
         a8::XPrintf("PushJoinRooMmsg %d side:%d\n", {GetUniId(), side});
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 247739b4..179aab6f 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -1723,6 +1723,7 @@ message SMMapInfo
     optional int32 pve_instance_id = 16; //pve副本id
     optional int32 mapid = 17; //地图id之后会删除，目前只给老版本用
     optional int32 side = 18; //moba模式出生点 0：无 1：左侧 2：右侧
+    optional int32 is_viewer = 20; //是否观战者
 }
 
 //帧事件