diff --git a/dota.py b/dota.py
index 9139ba3..479389d 100644
--- a/dota.py
+++ b/dota.py
@@ -220,8 +220,11 @@ def serialize_match_for_discord(match_):
       break
   win = is_radiant == match_['radiant_win']
   if not match_['party_size']:
-    summary = f"??黑 {match_['duration']}"
-  elif match_['party_size'] > 1:
+    if Match.filter(match_id=match_['match_id']).exists():
+      match_['party_size'] = Match.get(match_id=match_['match_id']).party_size
+    else:
+      summary = f"{match_['duration']}"
+  if match_['party_size'] > 1:
     summary = f"{match_['party_size']}黑 {match_['duration']}"
   else:
     summary = f"单排 {match_['duration']}"