diff --git a/app/song/api/routers/v1/song.py b/app/song/api/routers/v1/song.py
index 9c9b6e7..13f3901 100644
--- a/app/song/api/routers/v1/song.py
+++ b/app/song/api/routers/v1/song.py
@@ -238,10 +238,11 @@ async def get_song_status(
 
         # SUCCESS 상태인 경우 백그라운드 태스크 실행
         if parsed_response.status == "SUCCESS" and parsed_response.clips:
-            # 첫 번째 클립의 audioUrl과 duration 가져오기
+            # 첫 번째 클립(clips[0])의 audioUrl과 duration 사용
             first_clip = parsed_response.clips[0]
             audio_url = first_clip.audio_url
             clip_duration = first_clip.duration
+            print(f"[get_song_status] Using first clip - id: {first_clip.id}, audio_url: {audio_url}, duration: {clip_duration}")
 
             if audio_url:
                 # suno_task_id로 Song 조회하여 store_name 가져오기
@@ -273,7 +274,13 @@ async def get_song_status(
                         duration=clip_duration,
                     )
                 elif song and song.status == "completed":
-                    print(f"[get_song_status] SKIPPED - Song already completed, suno_task_id: {suno_task_id}")
+                    # 이미 완료된 경우에도 duration이 다르면 업데이트
+                    if clip_duration is not None and song.duration != clip_duration:
+                        print(f"[get_song_status] Updating duration - suno_task_id: {suno_task_id}, old: {song.duration}, new: {clip_duration}")
+                        song.duration = clip_duration
+                        await session.commit()
+                    else:
+                        print(f"[get_song_status] SKIPPED - Song already completed, suno_task_id: {suno_task_id}")
 
         print(f"[get_song_status] SUCCESS - suno_task_id: {suno_task_id}")
         return parsed_response