diff --git a/main.py b/main.py
index 6d2b1f5..65dc95f 100644
--- a/main.py
+++ b/main.py
@@ -55,13 +55,15 @@ def main (
     snack_time = SnackTime (game)
     CurrentTime (game, DEERJIKA_FONT)
 
+    broadcast: Broadcast | None = None
     try:
         broadcast = Broadcast (os.environ['BROADCAST_CODE'])
-    except Exception:
-        pass
+    except KeyError:
+        broadcast = None
 
     waiting_balloon = (False, '', '')
     last_flags_poll: float = 0
+    traced_af_ids: list[int] = []
 
     while True:
         now_m = time.monotonic ()
@@ -76,15 +78,19 @@ def main (
                 deerjika.talk (waiting_balloon[1], waiting_balloon[2])
                 waiting_balloon = (False, '', '')
 
-            if now_m - last_flags_poll >= 10:
+            if now_m - last_flags_poll >= 1:
                 last_flags_poll = now_m
+                log (f"balloon: { balloon.enabled }, snack: { snack_time.enabled }")
                 try:
                     DB.begin_transaction ()
                     answer_flags = (AnsweredFlag.where ('platform', Platform.YOUTUBE.value)
                                                 .where ('answered', False)
+                                                .where_not_in ('id', traced_af_ids)
                                                 .get ())
+                    log (f"pending: { len (answer_flags) }")
                     if answer_flags:
                         answer_flag = random.choice (answer_flags)
+                        log (f"flag_id: { answer_flag.id }, answer_id: { answer_flag.answer_id }")
                         answer = Answer.find (answer_flag.answer_id)
                         match QueryType (answer.query_rel.query_type):
                             case QueryType.YOUTUBE_COMMENT:
@@ -98,10 +104,19 @@ def main (
                                 waiting_balloon = (True, query.content, answer.content)
                                 answer_flag.answered = True
                                 answer_flag.save ()
+                            case _:
+                                traced_af_ids.append (answer_flag.id)
                     DB.commit ()
-                    add_query (broadcast)
                 except Exception as ex:
                     DB.rollback ()
+                    log ('EXCEPTION in poll loop')
+                    print (ex)
+
+                try:
+                    if broadcast is not None:
+                        add_query (broadcast)
+                except Exception as ex:
+                    log ('EXCEPTION in adding a query')
                     print (ex)
         game.redraw ()
 
@@ -582,8 +597,9 @@ class Balloon (GameObject):
         query = self.query
         if CommonModule.len_by_full (query) > 21:
             query = CommonModule.mid_by_full (query, 0, 19.5) + '...'
-        answer = Surface ((375, ((CommonModule.len_by_full (self.answer) - 1) // 16 + 1) * 23.4375),
-                          pygame.SRCALPHA)
+        answer = Surface (
+                (375, int (((CommonModule.len_by_full (self.answer) - 1) // 16 + 1) * 23.4375)),
+                pygame.SRCALPHA)
         for i in range (int (CommonModule.len_by_full (self.answer) - 1) // 16 + 1):
             answer.blit (DEERJIKA_FONT.render (
                              CommonModule.mid_by_full (self.answer, 16 * i, 16), True, (192, 0, 0)),
@@ -991,5 +1007,12 @@ def add_query (
     DB.commit ()
 
 
+def log (
+        msg:    str,
+) -> None:
+    print (f"[{ datetime.now ().isoformat (sep = ' ', timespec = 'seconds') }] { msg }",
+           flush = True)
+
+
 if __name__ == '__main__':
     main ()