diff --git a/app_streamlit.py b/app_streamlit.py
index d46faae..afb4a62 100644
--- a/app_streamlit.py
+++ b/app_streamlit.py
@@ -736,17 +736,26 @@ def send_daily_report(symbol="BTCUSDT"):
         lines.append(f"합계: {passed_all}T {failed_all}F (승률 {rate:.2f}%)")
     send_telegram("\n".join(lines))
 
+_last_report_date = None
+
 def _daily_report_loop():
+    global _last_report_date
     while True:
-        now = datetime.now(timezone.utc) + KST
-        next_mid = (now + timedelta(days=1)).replace(hour=0, minute=0, second=0, microsecond=0)
-        time.sleep(max(60, (next_mid - now).total_seconds()))
         try:
-            with _alert_lock:
-                symbol = _alert_symbol
-            send_daily_report(symbol)
+            now_kst = (datetime.now(timezone.utc) + KST).replace(tzinfo=None)
+            today_str = now_kst.strftime("%Y-%m-%d")
+            if _last_report_date is None:
+                _last_report_date = today_str
+                print(f"[일일리포트] 스레드 기동 — 다음 자정({today_str} 24:00 KST) 까지 대기")
+            elif _last_report_date != today_str:
+                print(f"[일일리포트] 자정 통과 감지 → 발송 ({today_str})")
+                with _alert_lock:
+                    symbol = _alert_symbol
+                send_daily_report(symbol)
+                _last_report_date = today_str
         except Exception as e:
             print(f"[일일리포트 스레드 오류] {e}")
+        time.sleep(60)
 
 # ──────────────────────────────────────────────
 # 메인 UI