diff --git a/server/gameserver/matchteam.cc b/server/gameserver/matchteam.cc
index c95d39b5..0822024f 100644
--- a/server/gameserver/matchteam.cc
+++ b/server/gameserver/matchteam.cc
@@ -808,5 +808,6 @@ int MatchTeam::GetEmptySlotNum()
     for (auto& pair : combined_team_hash_) {
         alloced_slot_num += pair.second->GetInitMemberNum();
     }
-    return 0;
+    int empty_slot_num = std::max(0, GetSlotNum() - alloced_slot_num);
+    return empty_slot_num;
 }