diff --git a/server/gameserver/roommgr.cc b/server/gameserver/roommgr.cc
index 496a7eae..8c656a74 100644
--- a/server/gameserver/roommgr.cc
+++ b/server/gameserver/roommgr.cc
@@ -864,5 +864,13 @@ void RoomMgr::_CMJoinCustomBattle(f8::MsgHdr& hdr, const cs::CMJoin& msg)
 void RoomMgr::SendGetCustomBattleData(std::shared_ptr<cs::CMJoin> join_msg,
                                       std::function<void(int, const std::string, std::shared_ptr<CustomBattle>)> cb)
 {
-
+    auto pos = join_msg->custom_room_payload().find('|');
+    std::string head;
+    std::string body;
+    if (pos == std::string::npos) {
+        cb(1, "custom battle data error", nullptr);
+        return;
+    }
+    head = join_msg->custom_room_payload().substr(0, pos - 1);
+    body = join_msg->custom_room_payload().substr(pos);
 }