diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 2249af75..add6c3e5 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -2379,7 +2379,7 @@ void Human::GenBattleReportData(a8::MutableXObject* params)
                  return true;
              });
         post_data->SetVal("team_list", *team_list.get());
-        params->SetVal("__POST", *post_data.get());
+        params->SetVal("__POST", post_data->ToJsonStr());
     }
 }