diff --git a/server/gameserver/custom_member.h b/server/gameserver/custom_member.h
index efde43bb..e6765eb7 100644
--- a/server/gameserver/custom_member.h
+++ b/server/gameserver/custom_member.h
@@ -9,6 +9,7 @@ class CustomMember
     void Join(Player* hum);
     bool IsJoined() { return joined_; }
     int GetJoinTime() { return join_time_; }
+    bool IsViewer() { return is_viewer_; }
     const std::string& GetAccountId() { return account_id_; }
     const std::string& GetSessionId() { return session_id_; }
     std::shared_ptr<BattleDataContext>& GetNetData() { return battle_context_; };
@@ -16,6 +17,7 @@ class CustomMember
  private:
     bool joined_ = false;
     int join_time_ = 0;
+    bool is_viewer_ = false;
     std::string account_id_;
     std::string session_id_;
     std::shared_ptr<BattleDataContext> battle_context_;
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 55c47da5..48607e59 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -43,6 +43,7 @@
 #include "batchsync.h"
 #include "trigger.h"
 #include "custom_battle.h"
+#include "custom_member.h"
 
 #include "mt/Param.h"
 #include "mt/Hero.h"
@@ -3542,5 +3543,13 @@ int Room::GetMaxTeamNum()
 
 void Room::FillCustomBattleHuman()
 {
+    custom_battle_->TraverseMemberList
+        (
+         [] (CustomMember* member) -> bool
+         {
+             if (!member->IsJoined()) {
 
+             }
+             return true;
+         });
 }