diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index 21c32756..993d5ff4 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -2171,6 +2171,9 @@ void Human::ReJoin(long ip_saddr, int socket_handle, std::shared_ptr<cs::CMJoin>
             Human* target = target_list.at(rand() % target_list.size());
             FollowTarget(target);
             target->StartRefreshViewTimer();
+            cs::SMWatchTarget rsp_msg;
+            rsp_msg.set_target_uniid(target->GetUniId());
+            SendNotifyMsg(rsp_msg);
         }
     }
     SendViewerUiNotify();
diff --git a/server/gameserver/roomob.cc b/server/gameserver/roomob.cc
index 9c317f7e..420a5ce1 100644
--- a/server/gameserver/roomob.cc
+++ b/server/gameserver/roomob.cc
@@ -2,6 +2,7 @@
 
 #include "roomob.h"
 #include "room.h"
+#include "player.h"
 
 RoomOb::RoomOb(Room* room)
 {
@@ -31,10 +32,19 @@ Player* RoomOb::GetByAccountId(const std::string& account_id)
 
 void RoomOb::AddOb(Player* hum)
 {
-
+    id_hash_[hum->account_id] = hum;
 }
 
 void RoomOb::SendViewerUiMemberUpdate(std::vector<int> member_ids)
 {
 
 }
+
+void RoomOb::TraverseOb(std::function<bool (Player*)> cb)
+{
+    for (auto& pair : id_hash_) {
+        if (!cb(pair.second)) {
+            break;
+        }
+    }
+}
diff --git a/server/gameserver/roomob.h b/server/gameserver/roomob.h
index d2e8512d..0df4298a 100644
--- a/server/gameserver/roomob.h
+++ b/server/gameserver/roomob.h
@@ -15,6 +15,7 @@ class RoomOb : public std::enable_shared_from_this<RoomOb>
     Player* GetByAccountId(const std::string& account_id);
     void AddOb(Player* hum);
     void SendViewerUiMemberUpdate(std::vector<int> member_ids);
+    void TraverseOb(std::function<bool (Player*)> cb);
 
 private:
     Room* room_ = nullptr;