diff --git a/info.yaml b/info.yaml
index 1efffdb..a72c2b0 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,5 +1,5 @@
 title: "애니 다운로더"
-version: "0.3.8"
+version: "0.3.9"
 package_name: "anime_downloader"
 developer: "projectdx"
 description: "anime downloader"
diff --git a/lib/downloader_factory.py b/lib/downloader_factory.py
new file mode 100644
index 0000000..fe296ec
--- /dev/null
+++ b/lib/downloader_factory.py
@@ -0,0 +1,126 @@
+import logging
+import os
+import traceback
+from typing import Optional, Callable, Dict, Any
+
+logger = logging.getLogger(__name__)
+
+class BaseDownloader:
+    """Base interface for all downloaders"""
+    def download(self) -> bool:
+        raise NotImplementedError()
+        
+    def cancel(self):
+        raise NotImplementedError()
+
+class FfmpegDownloader(BaseDownloader):
+    """Wrapper for SupportFfmpeg to provide a standard interface"""
+    def __init__(self, support_ffmpeg_obj):
+        self.obj = support_ffmpeg_obj
+        
+    def download(self) -> bool:
+        # SupportFfmpeg.start() returns data but runs in its own thread.
+        # We start and then join to make it a blocking download() call.
+        self.obj.start()
+        if self.obj.thread:
+            self.obj.thread.join()
+        
+        # Check status from SupportFfmpeg.Status
+        from support.expand.ffmpeg import SupportFfmpeg
+        return self.obj.status == SupportFfmpeg.Status.COMPLETED
+
+    def cancel(self):
+        self.obj.stop()
+
+class DownloaderFactory:
+    @staticmethod
+    def get_downloader(
+        method: str,
+        video_url: str,
+        output_file: str,
+        headers: Optional[Dict[str, str]] = None,
+        callback: Optional[Callable] = None,
+        proxy: Optional[str] = None,
+        threads: int = 16,
+        **kwargs
+    ) -> Optional[BaseDownloader]:
+        """
+        Returns a downloader instance based on the specified method.
+        """
+        try:
+            logger.info(f"Creating downloader for method: {method}")
+            
+            if method == "cdndania":
+                from .cdndania_downloader import CdndaniaDownloader
+                # cdndania needs iframe_src, usually passed in headers['Referer'] 
+                # or as a separate kwarg from the entity.
+                iframe_src = kwargs.get('iframe_src')
+                if not iframe_src and headers:
+                    iframe_src = headers.get('Referer')
+                
+                if not iframe_src:
+                    iframe_src = video_url
+                    
+                return CdndaniaDownloader(
+                    iframe_src=iframe_src,
+                    output_path=output_file,
+                    referer_url=kwargs.get('referer_url', "https://ani.ohli24.com/"),
+                    callback=callback,
+                    proxy=proxy,
+                    threads=threads,
+                    on_download_finished=kwargs.get('on_download_finished')
+                )
+                
+            elif method == "ytdlp" or method == "aria2c":
+                from .ytdlp_downloader import YtdlpDownloader
+                return YtdlpDownloader(
+                    url=video_url,
+                    output_path=output_file,
+                    headers=headers,
+                    callback=callback,
+                    proxy=proxy,
+                    cookies_file=kwargs.get('cookies_file'),
+                    use_aria2c=(method == "aria2c"),
+                    threads=threads
+                )
+                
+            elif method == "hls":
+                from .hls_downloader import HlsDownloader
+                return HlsDownloader(
+                    m3u8_url=video_url,
+                    output_path=output_file,
+                    headers=headers,
+                    callback=callback,
+                    proxy=proxy
+                )
+                
+            elif method == "ffmpeg" or method == "normal":
+                from support.expand.ffmpeg import SupportFfmpeg
+                # SupportFfmpeg needs some global init but let's assume it's done index.py/plugin.py
+                dirname = os.path.dirname(output_file)
+                filename = os.path.basename(output_file)
+                
+                # We need to pass callback_function that adapts standard callback (percent, current, total...)
+                # to what SupportFfmpeg expects if necessary.
+                # However, SupportFfmpeg handling is usually done via listener in ffmpeg_queue_v1.py.
+                # So we might return the SupportFfmpeg object itself wrapped.
+                
+                ffmpeg_obj = SupportFfmpeg(
+                    url=video_url,
+                    filename=filename,
+                    save_path=dirname,
+                    headers=headers,
+                    proxy=proxy,
+                    callback_id=kwargs.get('callback_id'),
+                    callback_function=kwargs.get('callback_function')
+                )
+                return FfmpegDownloader(ffmpeg_obj)
+                
+            else:
+                logger.error(f"Unknown download method: {method}")
+                return None
+                
+        except Exception as e:
+            logger.error(f"Failed to create downloader: {e}")
+            logger.error(traceback.format_exc())
+            return None
diff --git a/lib/ffmpeg_queue_v1.py b/lib/ffmpeg_queue_v1.py
index 0d7d525..f4e43d3 100644
--- a/lib/ffmpeg_queue_v1.py
+++ b/lib/ffmpeg_queue_v1.py
@@ -177,6 +177,24 @@ class FfmpegQueue(object):
                 if entity.cancel:
                     continue
 
+                # [Lazy Extraction] 다운로드 시작 전 무거운 분석 로직 수행
+                try:
+                    entity.ffmpeg_status = 1  # ANALYZING
+                    entity.ffmpeg_status_kor = "분석 중"
+                    entity.refresh_status()
+                    
+                    if hasattr(entity, 'prepare_extra'):
+                        logger.info(f"Starting background extraction: {entity.info.get('title')}")
+                        entity.prepare_extra()
+                        logger.info(f"Extraction finished for: {entity.info.get('title')}")
+                except Exception as e:
+                    logger.error(f"Failed to prepare entity: {e}")
+                    logger.error(traceback.format_exc())
+                    entity.ffmpeg_status = -1
+                    entity.ffmpeg_status_kor = "분석 실패"
+                    entity.refresh_status()
+                    continue
+
                 # from .logic_ani24 import LogicAni24
                 # entity.url = LogicAni24.get_video_url(entity.info['code'])
                 video_url = entity.get_video_url()
@@ -258,226 +276,96 @@ class FfmpegQueue(object):
                 logger.info(ffmpeg_cmd)
                 logger.info(f"=== END COMMAND ===")
 
-                # m3u8 URL인 경우 다운로드 방법 설정에 따라 분기
-                if video_url.endswith('.m3u8') or 'master.txt' in video_url or 'gcdn.app' in video_url:
-                    # 다운로드 방법 및 스레드 설정 확인
-                    download_method = P.ModelSetting.get(f"{self.name}_download_method")
-                    download_threads = P.ModelSetting.get_int(f"{self.name}_download_threads")
-                    if not download_threads:
-                        download_threads = 16
+                # 다운로드 시작 전 카운트 증가
+                self.current_ffmpeg_count += 1
+                logger.info(f"Download started, current_ffmpeg_count: {self.current_ffmpeg_count}/{self.max_ffmpeg_count}")
+                
+                # 별도 스레드에서 다운로드 실행 (동시 다운로드 지원)
+                def run_download(downloader_self, entity_ref, output_file_ref):
+                    method = P.ModelSetting.get(f"{downloader_self.name}_download_method")
                     
-                    # cdndania.com 감지 로직 제거 - 이제 설정에서 직접 선택
-                    # 사용자가 ohli24_download_method 설정에서 cdndania 선택 가능
-                    # if getattr(entity, 'need_special_downloader', False) or 'cdndania.com' in video_url or 'michealcdn.com' in video_url:
-                    #     logger.info(f"Detected special CDN requirement - using Optimized CdndaniaDownloader")
-                    #     download_method = "cdndania"
-                    pass  # 이제 설정값(download_method) 그대로 사용
-                    
-                    logger.info(f"Download method: {download_method}")
-
-                    
-                    # 다운로드 시작 전 카운트 증가
-                    self.current_ffmpeg_count += 1
-                    logger.info(f"Download started, current_ffmpeg_count: {self.current_ffmpeg_count}/{self.max_ffmpeg_count}")
-                    
-                    # 별도 스레드에서 다운로드 실행 (동시 다운로드 지원)
-                    def run_download(downloader_self, entity_ref, output_file_ref, headers_ref, method):
-                        def progress_callback(percent, current, total, speed="", elapsed=""):
-                            entity_ref.ffmpeg_status = 5  # DOWNLOADING
-                            if method == "ytdlp":
-                                entity_ref.ffmpeg_status_kor = f"다운로드중 (yt-dlp) {percent}%"
-                            else:
-                                entity_ref.ffmpeg_status_kor = f"다운로드중 ({current}/{total})"
-                            entity_ref.ffmpeg_percent = percent
-                            entity_ref.current_speed = speed
-                            entity_ref.download_time = elapsed
-                            entity_ref.refresh_status()
-                        
-                        if method == "cdndania":
-                            # cdndania.com 전용 다운로더 사용 (curl_cffi 세션 기반)
-                            from .cdndania_downloader import CdndaniaDownloader
-                            logger.info("Using CdndaniaDownloader (curl_cffi session-based)...")
-                            # 엔티티에서 원본 iframe_src 가져오기
-                            _iframe_src = getattr(entity_ref, 'iframe_src', None)
-                            if not _iframe_src:
-                                # 폴백: headers의 Referer에서 가져오기
-                                _iframe_src = getattr(entity_ref, 'headers', {}).get('Referer', video_url)
-                            # 슬롯 조기 반환을 위한 콜백
-                            slot_released = [False]
-                            def release_slot():
-                                if not slot_released[0]:
-                                    downloader_self.current_ffmpeg_count -= 1
-                                    slot_released[0] = True
-                                    logger.info(f"Download slot released early (Network finished), current_ffmpeg_count: {downloader_self.current_ffmpeg_count}/{downloader_self.max_ffmpeg_count}")
-
-                            logger.info(f"CdndaniaDownloader iframe_src: {_iframe_src}")
-                            downloader = CdndaniaDownloader(
-                                iframe_src=_iframe_src,
-                                output_path=output_file_ref,
-                                referer_url="https://ani.ohli24.com/",
-                                callback=progress_callback,
-                                proxy=_proxy,
-                                threads=download_threads,
-                                on_download_finished=release_slot  # 조기 반환 콜백 전달
-                            )
-                        elif method == "ytdlp" or method == "aria2c":
-                            # yt-dlp 사용 (aria2c 옵션 포함)
-                            # yt-dlp는 내부적으로 병합 과정을 포함하므로 조기 반환이 어려울 수 있음 (추후 지원 고려)
-                            slot_released = [False]
-                            from .ytdlp_downloader import YtdlpDownloader
-                            logger.info(f"Using yt-dlp downloader (method={method})...")
-                            # 엔티티에서 쿠키 파일 가져오기 (있는 경우)
-                            _cookies_file = getattr(entity_ref, 'cookies_file', None)
-                            downloader = YtdlpDownloader(
-                                url=video_url,
-                                output_path=output_file_ref,
-                                headers=headers_ref,
-                                callback=progress_callback,
-                                proxy=_proxy,
-                                cookies_file=_cookies_file,
-                                use_aria2c=(method == "aria2c"),
-                                threads=download_threads
-                            )
+                    def progress_callback(percent, current, total, speed="", elapsed=""):
+                        entity_ref.ffmpeg_status = 5  # DOWNLOADING
+                        if method in ["ytdlp", "aria2c"]:
+                            entity_ref.ffmpeg_status_kor = f"다운로드중 (yt-dlp) {percent}%"
+                        elif method in ["ffmpeg", "normal"]:
+                             # SupportFfmpeg handles its own kor status via listener
+                             pass
                         else:
-                            slot_released = [False]
-                            # 기본: HLS 다운로더 사용
-                            from .hls_downloader import HlsDownloader
-                            logger.info("Using custom HLS downloader for m3u8 URL...")
-                            downloader = HlsDownloader(
-                                m3u8_url=video_url,
-                                output_path=output_file_ref,
-                                headers=headers_ref,
-                                callback=progress_callback,
-                                proxy=_proxy
-                            )
+                            entity_ref.ffmpeg_status_kor = f"다운로드중 ({percent}%)"
                         
-                        # 다운로더 인스턴스를 entity에 저장 (취소 시 사용)
-                        entity_ref.downloader = downloader
+                        entity_ref.ffmpeg_percent = percent
+                        entity_ref.current_speed = speed
+                        entity_ref.download_time = elapsed
+                        entity_ref.refresh_status()
+                    
+                    # Factory를 통해 다운로더 인스턴스 획득
+                    downloader = entity_ref.get_downloader(
+                        video_url=video_url,
+                        output_file=output_file_ref,
+                        callback=progress_callback,
+                        callback_function=downloader_self.callback_function
+                    )
+                    
+                    if not downloader:
+                        logger.error(f"Failed to create downloader for method: {method}")
+                        downloader_self.current_ffmpeg_count -= 1
+                        entity_ref.ffmpeg_status = 4 # ERROR
+                        entity_ref.ffmpeg_status_kor = "다운로더 생성 실패"
+                        entity_ref.refresh_status()
+                        return
+
+                    entity_ref.downloader = downloader
+                    
+                    # 조기 취소 체크
+                    if entity_ref.cancel:
+                        downloader.cancel()
+                        entity_ref.ffmpeg_status_kor = "취소됨"
+                        entity_ref.refresh_status()
+                        downloader_self.current_ffmpeg_count -= 1
+                        return
+                    
+                    # 다운로드 실행 (blocking)
+                    logger.info(f"Executing downloader[{method}] for {output_file_ref}")
+                    success = downloader.download()
+                    
+                    # 슬롯 반환
+                    downloader_self.current_ffmpeg_count -= 1
+                    logger.info(f"Download finished ({'SUCCESS' if success else 'FAILED'}), slot released. count: {downloader_self.current_ffmpeg_count}")
+                    
+                    if success:
+                        entity_ref.ffmpeg_status = 7  # COMPLETED
+                        entity_ref.ffmpeg_status_kor = "완료"
+                        entity_ref.ffmpeg_percent = 100
+                        entity_ref.download_completed()
+                        entity_ref.refresh_status()
                         
-                        # cancel 상태 체크
+                        # 자막 다운로드 (vtt_url이 있는 경우)
+                        vtt_url = getattr(entity_ref, 'vtt', None)
+                        if vtt_url:
+                            from .util import Util
+                            Util.download_subtitle(vtt_url, output_file_ref, headers=entity_ref.headers)
+                    else:
+                        # 취소 혹은 실패 처리
                         if entity_ref.cancel:
-                            downloader.cancel()
+                            entity_ref.ffmpeg_status = -1
                             entity_ref.ffmpeg_status_kor = "취소됨"
-                            entity_ref.refresh_status()
-                            if not slot_released[0]:
-                                downloader_self.current_ffmpeg_count -= 1
-                            return
-                        
-                        success, message = downloader.download()
-                        
-                        # 다운로드 완료 후 카운트 감소 (이미 반환되었으면 스킵)
-                        if not slot_released[0]:
-                            downloader_self.current_ffmpeg_count -= 1
-                            logger.info(f"Download finished (Slot released normally), current_ffmpeg_count: {downloader_self.current_ffmpeg_count}/{downloader_self.max_ffmpeg_count}")
-                        
-                        if success:
-                            entity_ref.ffmpeg_status = 7  # COMPLETED
-                            entity_ref.ffmpeg_status_kor = "완료"
-                            entity_ref.ffmpeg_percent = 100
-                            entity_ref.download_completed()
-                            entity_ref.refresh_status()
-                            logger.info(f"Download completed: {output_file_ref}")
-                            
-                            # 자막 파일 다운로드 (vtt_url이 있는 경우)
-                            vtt_url = getattr(entity_ref, 'vtt', None)
-                            if vtt_url:
-                                try:
-                                    import requests
-                                    # 자막 파일 경로 생성 (비디오 파일명.srt)
-                                    video_basename = os.path.splitext(output_file_ref)[0]
-                                    srt_path = video_basename + ".srt"
-                                    
-                                    logger.info(f"Downloading subtitle from: {vtt_url}")
-                                    sub_response = requests.get(vtt_url, headers=headers_ref, timeout=30)
-                                    
-                                    if sub_response.status_code == 200:
-                                        vtt_content = sub_response.text
-                                        
-                                        # VTT를 SRT로 변환 (간단한 변환)
-                                        srt_content = vtt_content
-                                        if vtt_content.startswith("WEBVTT"):
-                                            # WEBVTT 헤더 제거
-                                            lines = vtt_content.split("\n")
-                                            srt_lines = []
-                                            cue_index = 1
-                                            i = 0
-                                            while i < len(lines):
-                                                line = lines[i].strip()
-                                                # WEBVTT, NOTE, STYLE 등 메타데이터 스킵
-                                                if line.startswith("WEBVTT") or line.startswith("NOTE") or line.startswith("STYLE"):
-                                                    i += 1
-                                                    continue
-                                                # 빈 줄 스킵
-                                                if not line:
-                                                    i += 1
-                                                    continue
-                                                # 타임코드 라인 (00:00:00.000 --> 00:00:00.000)
-                                                if "-->" in line:
-                                                    # VTT 타임코드를 SRT 형식으로 변환 (. -> ,)
-                                                    srt_timecode = line.replace(".", ",")
-                                                    srt_lines.append(str(cue_index))
-                                                    srt_lines.append(srt_timecode)
-                                                    cue_index += 1
-                                                    i += 1
-                                                    # 자막 텍스트 읽기
-                                                    while i < len(lines) and lines[i].strip():
-                                                        srt_lines.append(lines[i].rstrip())
-                                                        i += 1
-                                                    srt_lines.append("")
-                                                else:
-                                                    i += 1
-                                            srt_content = "\n".join(srt_lines)
-                                        
-                                        with open(srt_path, "w", encoding="utf-8") as f:
-                                            f.write(srt_content)
-                                        logger.info(f"Subtitle saved: {srt_path}")
-                                    else:
-                                        logger.warning(f"Subtitle download failed: HTTP {sub_response.status_code}")
-                                except Exception as sub_err:
-                                    logger.error(f"Subtitle download error: {sub_err}")
+                            logger.info(f"Download cancelled by user: {output_file_ref}")
                         else:
-                            # 취소된 경우와 실패를 구분
-                            if entity_ref.cancel or "Cancelled" in message:
-                                entity_ref.ffmpeg_status = -1
-                                entity_ref.ffmpeg_status_kor = "취소됨"
-                                entity_ref.ffmpeg_percent = 0
-                                logger.info(f"Download cancelled: {output_file_ref}")
-                            else:
-                                entity_ref.ffmpeg_status = -1
-                                entity_ref.ffmpeg_status_kor = f"실패"
-                                logger.error(f"Download failed: {message}")
-                            entity_ref.refresh_status()
-                    
-                    # 스레드 시작
-                    download_thread = threading.Thread(
-                        target=run_download,
-                        args=(self, entity, output_file, _headers, download_method)
-                    )
-                    download_thread.daemon = True
-                    download_thread.start()
-                    
-                    self.download_queue.task_done()
-                else:
-                    # 일반 URL은 기존 SupportFfmpeg 사용 (비동기 방식)
-                    self.current_ffmpeg_count += 1
-                    
-                    ffmpeg = SupportFfmpeg(
-                        url=video_url,
-                        filename=filename,
-                        callback_function=self.callback_function,
-                        headers=_headers,
-                        max_pf_count=0,
-                        save_path=ToolUtil.make_path(dirname),
-                        timeout_minute=60,
-                        proxy=_proxy,
-                    )
-                    #
-                    # todo: 임시로 start() 중지
-                    logger.info("Calling ffmpeg.start()...")
-                    ffmpeg.start()
-                    logger.info("ffmpeg.start() returned")
-                    
-                    self.download_queue.task_done()
+                            entity_ref.ffmpeg_status = -1
+                            entity_ref.ffmpeg_status_kor = "실패"
+                            logger.error(f"Download failed: {output_file_ref}")
+                        entity_ref.refresh_status()
+
+                # 스레드 시작
+                download_thread = threading.Thread(
+                    target=run_download,
+                    args=(self, entity, output_file)
+                )
+                download_thread.daemon = True
+                download_thread.start()
+                
+                self.download_queue.task_done()
 
 
             except Exception as exception:
@@ -538,7 +426,7 @@ class FfmpegQueue(object):
             elif args["status"] == SupportFfmpeg.Status.COMPLETED:
                 print("print():: ffmpeg download completed..")
                 logger.debug("ffmpeg download completed......")
-                entity.download_completed()
+                # entity.download_completed() # Removed! Handled in run_download thread
                 data = {
                     "type": "success",
                     "msg": "다운로드가 완료 되었습니다.<br>" + args["data"]["save_fullpath"],
diff --git a/lib/util.py b/lib/util.py
index a31041c..c327264 100644
--- a/lib/util.py
+++ b/lib/util.py
@@ -75,3 +75,63 @@ class Util(object):
         except Exception as exception:
             logger.debug('Exception:%s', exception)
             logger.debug(traceback.format_exc())
+
+    @staticmethod
+    def download_subtitle(vtt_url, output_path, headers=None):
+        try:
+            import requests
+            # 자막 파일 경로 생성 (비디오 파일명.srt)
+            video_basename = os.path.splitext(output_path)[0]
+            srt_path = video_basename + ".srt"
+            
+            logger.info(f"Downloading subtitle from: {vtt_url}")
+            response = requests.get(vtt_url, headers=headers, timeout=30)
+            
+            if response.status_code == 200:
+                vtt_content = response.text
+                srt_content = Util.vtt_to_srt(vtt_content)
+                with open(srt_path, "w", encoding="utf-8") as f:
+                    f.write(srt_content)
+                logger.info(f"Subtitle saved to: {srt_path}")
+                return True
+        except Exception as e:
+            logger.error(f"Failed to download subtitle: {e}")
+            logger.error(traceback.format_exc())
+        return False
+
+    @staticmethod
+    def vtt_to_srt(vtt_content):
+        if not vtt_content.startswith("WEBVTT"):
+            return vtt_content
+            
+        lines = vtt_content.split("\n")
+        srt_lines = []
+        cue_index = 1
+        i = 0
+        while i < len(lines):
+            line = lines[i].strip()
+            # WEBVTT, NOTE, STYLE 등 메타데이터 스킵
+            if line.startswith("WEBVTT") or line.startswith("NOTE") or line.startswith("STYLE"):
+                i += 1
+                continue
+            # 빈 줄 스킵
+            if not line:
+                i += 1
+                continue
+            # 타임코드 라인 (00:00:00.000 --> 00:00:00.000)
+            if "-->" in line:
+                # VTT 타임코드를 SRT 형식으로 변환 (. -> ,)
+                srt_timecode = line.replace(".", ",")
+                srt_lines.append(str(cue_index))
+                srt_lines.append(srt_timecode)
+                cue_index += 1
+                i += 1
+                # 자막 텍스트 읽기
+                while i < len(lines) and lines[i].strip():
+                    srt_lines.append(lines[i].rstrip())
+                    i += 1
+                srt_lines.append("")
+            else:
+                # 캡션 텍스트가 바로 나오는 경우 등을 대비
+                i += 1
+        return "\n".join(srt_lines)
diff --git a/mod_anilife.py b/mod_anilife.py
index f7c99df..dd94ff5 100644
--- a/mod_anilife.py
+++ b/mod_anilife.py
@@ -1210,8 +1210,8 @@ class AniLifeQueueEntity(FfmpegQueueEntity):
         self.content_title = None
         self.srt_url = None
         self.headers = None
-        # Todo::: 임시 주석 처리
-        self.make_episode_info()
+        # [Lazy Extraction] __init__에서는 무거운 분석을 하지 않습니다.
+        # self.make_episode_info()
 
     def refresh_status(self):
         self.module_logic.socketio_callback("status", self.as_dict())
@@ -1234,8 +1234,9 @@ class AniLifeQueueEntity(FfmpegQueueEntity):
             db_entity.complated_time = datetime.now()
             db_entity.save()
 
-    def make_episode_info(self):
+    def prepare_extra(self):
         """
+        [Lazy Extraction] prepare_extra() replaces make_episode_info()
         에피소드 정보를 추출하고 비디오 URL을 가져옵니다.
         Selenium + stealth 기반 구현 (JavaScript 실행 필요)
         
diff --git a/mod_base.py b/mod_base.py
index 1e88671..77bb6a5 100644
--- a/mod_base.py
+++ b/mod_base.py
@@ -104,9 +104,12 @@ class AnimeModuleBase(PluginModuleBase):
                     return jsonify({'ret': 'fail', 'error': str(e)})
 
             elif sub == 'queue_command':
-                cmd = req.form['command']
-                entity_id = int(req.form['entity_id'])
-                ret = self.queue.command(cmd, entity_id)
+                cmd = request.form.get('command')
+                if not cmd:
+                    cmd = request.args.get('command')
+                entity_id_str = request.form.get('entity_id') or request.args.get('entity_id')
+                entity_id = int(entity_id_str) if entity_id_str else -1
+                ret = self.queue.command(cmd, entity_id) if self.queue else {'ret': 'fail', 'log': 'No queue'}
                 return jsonify(ret)
             
             elif sub == 'entity_list':
@@ -122,10 +125,10 @@ class AnimeModuleBase(PluginModuleBase):
                      return jsonify({'ret': False, 'log': 'Not implemented'})
             
             elif sub == 'command':
-                command = request.form.get('command')
-                arg1 = request.form.get('arg1')
-                arg2 = request.form.get('arg2')
-                arg3 = request.form.get('arg3')
+                command = request.form.get('command') or request.args.get('command')
+                arg1 = request.form.get('arg1') or request.args.get('arg1')
+                arg2 = request.form.get('arg2') or request.args.get('arg2')
+                arg3 = request.form.get('arg3') or request.args.get('arg3')
                 return self.process_command(command, arg1, arg2, arg3, req)
 
         except Exception as e:
@@ -135,24 +138,27 @@ class AnimeModuleBase(PluginModuleBase):
 
     def process_command(self, command, arg1, arg2, arg3, req):
         try:
+            if not command:
+                return jsonify({"ret": "fail", "log": "No command specified"})
+                
             if command == "list":
                 ret = self.queue.get_entity_list() if self.queue else []
                 return jsonify(ret)
             elif command == "stop":
-                entity_id = int(arg1)
+                entity_id = int(arg1) if arg1 else -1
                 result = self.queue.command("cancel", entity_id) if self.queue else {"ret": "error"}
                 return jsonify(result)
             elif command == "remove":
-                entity_id = int(arg1)
+                entity_id = int(arg1) if arg1 else -1
                 result = self.queue.command("remove", entity_id) if self.queue else {"ret": "error"}
                 return jsonify(result)
             elif command in ["reset", "delete_completed"]:
                 result = self.queue.command(command, 0) if self.queue else {"ret": "error"}
                 return jsonify(result)
             
-            return jsonify({'ret': 'fail', 'log': f'Unknown command: {command}'})
+            return jsonify({"ret": "fail", "log": f"Unknown command: {command}"})
         except Exception as e:
-            self.P.logger.error(f"Command Error: {e}")
+            self.P.logger.error(f"process_command Error: {e}")
             self.P.logger.error(traceback.format_exc())
             return jsonify({'ret': 'fail', 'log': str(e)})
 
diff --git a/mod_linkkf.py b/mod_linkkf.py
index 662edb8..9101da1 100644
--- a/mod_linkkf.py
+++ b/mod_linkkf.py
@@ -59,6 +59,7 @@ class LogicLinkkf(AnimeModuleBase):
     download_thread = None
     current_download_count = 0
     _scraper = None  # cloudscraper 싱글톤
+    queue = None  # 클래스 레벨에서 큐 관리
 
     cache_path = os.path.dirname(__file__)
 
@@ -77,7 +78,7 @@ class LogicLinkkf(AnimeModuleBase):
 
     def __init__(self, P):
         super(LogicLinkkf, self).__init__(P, setup_default=self.db_default, name=name, first_menu='setting', scheduler_desc="linkkf 자동 다운로드")
-        self.queue = None
+        # self.queue = None  # 인스턴스 레벨 초기화 제거 (클래스 레벨 사용)
         self.db_default = {
             "linkkf_db_version": "1",
             "linkkf_url": "https://linkkf.live",
@@ -592,6 +593,10 @@ class LogicLinkkf(AnimeModuleBase):
                 
                 if m3u8_match:
                     video_url = m3u8_match.group(1)
+                    # 상대 경로 처리 (예: cache/...)
+                    if video_url.startswith('cache/'):
+                        from urllib.parse import urljoin
+                        video_url = urljoin(iframe_src, video_url)
                     logger.info(f"Found m3u8 URL: {video_url}")
                 else:
                     # 대안 패턴: source src
@@ -599,6 +604,9 @@ class LogicLinkkf(AnimeModuleBase):
                     source_match = source_pattern.search(iframe_content)
                     if source_match:
                         video_url = source_match.group(1)
+                        if video_url.startswith('cache/'):
+                            from urllib.parse import urljoin
+                            video_url = urljoin(iframe_src, video_url)
                         logger.info(f"Found source URL: {video_url}")
                 
                 # VTT 자막 URL 추출
@@ -1428,18 +1436,21 @@ class LogicLinkkf(AnimeModuleBase):
             logger.error(traceback.format_exc())
 
     def add(self, episode_info):
-        # 큐가 초기화되지 않았으면 초기화
-        if self.queue is None:
+        # 큐가 초기화되지 않았으면 초기화 (클래스 레벨 큐 확인)
+        if LogicLinkkf.queue is None:
             logger.warning("Queue is None in add(), initializing...")
             try:
-                self.queue = FfmpegQueue(
+                LogicLinkkf.queue = FfmpegQueue(
                     P, P.ModelSetting.get_int("linkkf_max_ffmpeg_process_count"), "linkkf", caller=self
                 )
-                self.queue.queue_start()
+                LogicLinkkf.queue.queue_start()
             except Exception as e:
                 logger.error(f"Failed to initialize queue: {e}")
                 return "queue_init_error"
         
+        # self.queue를 LogicLinkkf.queue로 바인딩 (프로세스 내부 공유 보장)
+        self.queue = LogicLinkkf.queue
+        
         # 큐 상태 로깅
         queue_len = len(self.queue.entity_list) if self.queue else 0
         logger.info(f"add() called - Queue length: {queue_len}, episode _id: {episode_info.get('_id')}")
@@ -1503,10 +1514,10 @@ class LogicLinkkf(AnimeModuleBase):
     #             return True
 
     def is_exist(self, info):
-        if self.queue is None:
+        if LogicLinkkf.queue is None:
             return False
             
-        for _ in self.queue.entity_list:
+        for _ in LogicLinkkf.queue.entity_list:
             if _.info["_id"] == info["_id"]:
                 return True
         return False
@@ -1514,12 +1525,15 @@ class LogicLinkkf(AnimeModuleBase):
     def plugin_load(self):
         try:
             logger.debug("%s plugin_load", P.package_name)
-            # old version
-            self.queue = FfmpegQueue(
-                P, P.ModelSetting.get_int("linkkf_max_ffmpeg_process_count"), "linkkf", caller=self
-            )
+            # 클래스 레벨 큐 초기화
+            if LogicLinkkf.queue is None:
+                LogicLinkkf.queue = FfmpegQueue(
+                    P, P.ModelSetting.get_int("linkkf_max_ffmpeg_process_count"), "linkkf", caller=self
+                )
+                LogicLinkkf.queue.queue_start()
+            
+            self.queue = LogicLinkkf.queue
             self.current_data = None
-            self.queue.queue_start()
 
             # new version Todo:
             # if self.download_queue is None:
@@ -1596,9 +1610,18 @@ class LinkkfQueueEntity(FfmpegQueueEntity):
         self.filepath = os.path.join(self.savepath, self.filename) if self.filename else self.savepath
         logger.info(f"[DEBUG] filepath set to: '{self.filepath}'")
         
-        # playid URL에서 실제 비디오 URL과 자막 URL 추출
+        # playid URL에서 실제 비디오 URL과 자막 URL 추출은 prepare_extra에서 수행합니다.
+        self.playid_url = playid_url
+        self.url = playid_url # 초기값 설정
+
+    def prepare_extra(self):
+        """
+        [Lazy Extraction] 
+        다운로드 직전에 실제 비디오 URL과 자막 URL을 추출합니다.
+        """
         try:
-            video_url, referer_url, vtt_url = LogicLinkkf.extract_video_url_from_playid(playid_url)
+            logger.info(f"Linkkf Queue prepare_extra starting for: {self.content_title} - {self.filename}")
+            video_url, referer_url, vtt_url = LogicLinkkf.extract_video_url_from_playid(self.playid_url)
             
             if video_url:
                 self.url = video_url
@@ -1615,12 +1638,12 @@ class LinkkfQueueEntity(FfmpegQueueEntity):
                     logger.info(f"Subtitle URL saved: {self.vtt}")
             else:
                 # 추출 실패 시 원본 URL 사용 (fallback)
-                self.url = playid_url
-                logger.warning(f"Failed to extract video URL, using playid URL: {playid_url}")
+                self.url = self.playid_url
+                logger.warning(f"Failed to extract video URL, using playid URL: {self.playid_url}")
         except Exception as e:
             logger.error(f"Exception in video URL extraction: {e}")
             logger.error(traceback.format_exc())
-            self.url = playid_url
+            self.url = self.playid_url
 
     def download_completed(self):
         """다운로드 완료 후 처리 (파일 이동, DB 업데이트 등)"""
diff --git a/mod_ohli24.py b/mod_ohli24.py
index 164497b..eeddb93 100644
--- a/mod_ohli24.py
+++ b/mod_ohli24.py
@@ -1432,15 +1432,6 @@ class LogicOhli24(AnimeModuleBase):
         elif args["type"] == "normal":
             if args["status"] == SupportFfmpeg.Status.DOWNLOADING:
                 refresh_type = "status"
-                # Discord Notification
-                try:
-                    title = args['data'].get('title', 'Unknown Title')
-                    filename = args['data'].get('filename', 'Unknown File')
-                    poster_url = entity.info.get('image_link', '') if entity and entity.info else ''
-                    msg = "다운로드를 시작합니다."
-                    self.send_discord_notification(msg, title, filename, poster_url)
-                except Exception as e:
-                    logger.error(f"Failed to send discord notification: {e}")
         # P.logger.info(refresh_type)
         self.socketio_callback(refresh_type, args["data"])
 
@@ -1549,8 +1540,8 @@ class Ohli24QueueEntity(AnimeQueueEntity):
         self.cookies_file: Optional[str] = None  # yt-dlp용 CDN 세션 쿠키 파일 경로
         self.need_special_downloader: bool = False # CDN 보안 우회 다운로더 필요 여부
         self._discord_sent: bool = False # Discord 알림 발송 여부
-        # Todo::: 임시 주석 처리
-        self.make_episode_info()
+        # [Lazy Extraction] __init__에서는 무거운 분석을 하지 않습니다.
+        # self.make_episode_info() 
 
 
     def refresh_status(self) -> None:
@@ -1603,8 +1594,27 @@ class Ohli24QueueEntity(AnimeQueueEntity):
         if db_entity is not None:
             db_entity.status = "completed"
             db_entity.completed_time = datetime.now()
+            # Map missing fields from queue entity to DB record
+            db_entity.filepath = self.filepath
+            db_entity.filename = self.filename
+            db_entity.savepath = self.savepath
+            db_entity.quality = self.quality
+            db_entity.video_url = self.url
+            db_entity.vtt_url = self.vtt
+            
             result = db_entity.save()
             logger.debug(f"[DB_COMPLETE] Save result: {result}")
+            
+            # Discord Notification (On Complete)
+            try:
+                if P.ModelSetting.get_bool("ohli24_discord_notify"):
+                    title = self.info.get('title', 'Unknown Title')
+                    filename = self.filename
+                    poster_url = self.info.get('thumbnail', '')
+                    msg = "다운로드가 완료되었습니다."
+                    self.module_logic.send_discord_notification(msg, title, filename, poster_url)
+            except Exception as e:
+                logger.error(f"Failed to send discord notification on complete: {e}")
         else:
             logger.warning(f"[DB_COMPLETE] No db_entity found for _id: {self.info.get('_id')}")
 
@@ -1615,8 +1625,8 @@ class Ohli24QueueEntity(AnimeQueueEntity):
             db_entity.status = "failed"
             db_entity.save()
 
-    # Get episode info from OHLI24 site
-    def make_episode_info(self):
+    # [Lazy Extraction] prepare_extra() replaces make_episode_info()
+    def prepare_extra(self):
         try:
             base_url = P.ModelSetting.get("ohli24_url")
             
diff --git a/model_base.py b/model_base.py
index 6d4f2f7..8e4b574 100644
--- a/model_base.py
+++ b/model_base.py
@@ -1,13 +1,67 @@
 from .lib.ffmpeg_queue_v1 import FfmpegQueueEntity
+from .lib.downloader_factory import DownloaderFactory
 from framework import db
-import os, shutil, re
+import os, shutil, re, logging
 from datetime import datetime
 
+logger = logging.getLogger(__name__)
+
 class AnimeQueueEntity(FfmpegQueueEntity):
     def __init__(self, P, module_logic, info):
         super(AnimeQueueEntity, self).__init__(P, module_logic, info)
         self.P = P
 
+    def get_downloader(self, video_url, output_file, callback=None, **kwargs):
+        """Returns the appropriate downloader using the factory."""
+        method = self.P.ModelSetting.get(f"{self.module_logic.name}_download_method")
+        threads = self.P.ModelSetting.get_int(f"{self.module_logic.name}_download_threads")
+        if threads is None:
+            threads = 16
+        
+        # Prepare headers and proxy
+        headers = self.headers
+        if headers is None:
+            headers = getattr(self.module_logic, 'headers', None)
+            
+        proxy = getattr(self, 'proxy', None)
+        if proxy is None:
+            proxy = getattr(self.module_logic, 'proxy', None)
+
+        # Build downloader arguments
+        args = {
+            'cookies_file': getattr(self, 'cookies_file', None),
+            'iframe_src': getattr(self, 'iframe_src', None),
+            'callback_id': self.entity_id,
+            'callback_function': kwargs.get('callback_function') or getattr(self, 'ffmpeg_listener', None)
+        }
+        
+        # Site specific referer defaults
+        if self.module_logic.name == 'ohli24':
+            args['referer_url'] = "https://ani.ohli24.com/"
+        elif self.module_logic.name == 'anilife':
+            args['referer_url'] = self.P.ModelSetting.get("anilife_url", "https://anilife.live")
+            
+        args.update(kwargs)
+
+        return DownloaderFactory.get_downloader(
+            method=method,
+            video_url=video_url,
+            output_file=output_file,
+            headers=headers,
+            callback=callback,
+            proxy=proxy,
+            threads=threads,
+            **args
+        )
+
+    def prepare_extra(self):
+        """
+        [Lazy Extraction] 
+        다운로드 직전에 호출되는 무거운 분석 로직 (URL 추출 등).
+        자식 클래스에서 오버라이드하여 구현합니다.
+        """
+        pass
+
     def refresh_status(self):
         """Common status refresh logic"""
         if self.ffmpeg_status == -1:
@@ -54,12 +108,18 @@ class AnimeQueueEntity(FfmpegQueueEntity):
             self.filename = re.sub(r'[\\/:*?"<>|]', '', self.filename)
 
             dest_path = os.path.join(self.savepath, self.filename)
+            
+            # If already at destination, just return
+            if self.filepath == dest_path:
+                self.ffmpeg_status = 7
+                self.ffmpeg_status_kor = "완료"
+                self.end_time = datetime.now()
+                return
+
             if self.filepath and os.path.exists(self.filepath):
                 if os.path.exists(dest_path):
-                     self.P.logger.info(f"File exists, removing source: {dest_path}")
-                     # policy: overwrite or skip? usually overwrite or skip
-                     # Here assume overwrite or just move
-                     os.remove(dest_path) # overwrite
+                     self.P.logger.info(f"Destination file exists, removing to overwrite: {dest_path}")
+                     os.remove(dest_path)
                 
                 shutil.move(self.filepath, dest_path)
                 self.filepath = dest_path # Update filepath to new location
diff --git a/templates/anime_downloader_linkkf_queue.html b/templates/anime_downloader_linkkf_queue.html
index 918f346..d642229 100644
--- a/templates/anime_downloader_linkkf_queue.html
+++ b/templates/anime_downloader_linkkf_queue.html
@@ -166,7 +166,13 @@
 </div>
 
 <script type="text/javascript">
+    var PACKAGE_NAME = "{{ arg['package_name'] }}";
+    var MODULE_NAME = "{{ arg['module_name'] }}";
+    var current_list_length = 0;
+
 $(document).ready(function(){
+    $(".content-cloak").addClass("visible");
+    
     var protocol = location.protocol;
     var socketUrl = protocol + "//" + document.domain + ":" + location.port;
     
@@ -195,67 +201,71 @@ $(document).ready(function(){
         socket.on('last', function(data){ status_html(data); button_html(data); });
     }
 
-    var refreshIntervalId = null;
-    function silentFetchList(callback) {
-        $.ajax({
-            url: '/' + PACKAGE_NAME + '/ajax/' + MODULE_NAME + '/command',
-            type: 'POST',
-            cache: false,
-            global: false,
-            data: {command: 'list'},
-            dataType: 'json',
-            success: function(data) { if (callback) callback(data); }
-        });
-    }
-    
-    function autoRefreshList() {
-        silentFetchList(function(data) {
-            if (!current_data || data.length !== current_data.length) {
-                current_data = data;
-                renderList(data);
-            }
-            
-            var hasActiveDownload = false;
-            if (data && data.length > 0) {
-                for (var j = 0; j < data.length; j++) {
-                    if (data[j].status_str === 'DOWNLOADING' || data[j].status_str === 'WAITING') {
-                        hasActiveDownload = true;
-                        break;
-                    }
-                }
-            }
-            
-            if (!hasActiveDownload && refreshIntervalId) {
-                clearInterval(refreshIntervalId);
-                refreshIntervalId = null;
-            }
-            if (hasActiveDownload && !refreshIntervalId) {
-                refreshIntervalId = setInterval(autoRefreshList, 3000);
-            }
-        });
-    }
-    
-    function renderList(data) {
-        $("#list").html('');
-        if (!data || data.length == 0) {
-            $("#list").html("<tr><td colspan='10' style='text-align:center; padding: 40px; color: #6ee7b7;'>다운로드 대기 중인 작업이 없습니다.</td></tr>");
-        } else {
-            var str = '';
-            for(var i in data) {
-                str += make_item(data[i]);
-            }
-            $("#list").html(str);
-        }
-    }
-
-    globalSendCommand('list', null, null, null, function(data) {
-        current_data = data;
-        renderList(data);
-    });
-    
+    on_start();
     refreshIntervalId = setInterval(autoRefreshList, 3000);
 });
 
+var refreshIntervalId = null;
+
+function silentFetchList(callback) {
+    $.ajax({
+        url: '/' + PACKAGE_NAME + '/ajax/' + MODULE_NAME + '/command',
+        type: 'POST',
+        cache: false,
+        global: false,
+        data: {command: 'list'},
+        dataType: 'json',
+        success: function(data) { if (callback) callback(data); }
+    });
+}
+
+function autoRefreshList() {
+    silentFetchList(function(data) {
+        if (data.length !== current_list_length) {
+            current_list_length = data.length;
+            renderList(data);
+        }
+        
+        var hasActiveDownload = false;
+        if (data && data.length > 0) {
+            for (var j = 0; j < data.length; j++) {
+                if (data[j].status_str === 'DOWNLOADING' || data[j].status_str === 'WAITING' || data[j].status_str === 'STARTED') {
+                    hasActiveDownload = true;
+                    break;
+                }
+            }
+        }
+        
+        if (!hasActiveDownload && refreshIntervalId) {
+            clearInterval(refreshIntervalId);
+            refreshIntervalId = null;
+        }
+        if (hasActiveDownload && !refreshIntervalId) {
+            refreshIntervalId = setInterval(autoRefreshList, 3000);
+        }
+    });
+}
+
+function on_start() {
+    silentFetchList(function(data) {
+        current_list_length = data.length;
+        renderList(data);
+    });
+}
+
+function renderList(data) {
+    $("#list").html('');
+    if (!data || data.length == 0) {
+        $("#list").html("<tr><td colspan='10' style='text-align:center; padding: 40px; color: #6ee7b7;'>다운로드 대기 중인 작업이 없습니다.</td></tr>");
+    } else {
+        var str = '';
+        for(var i in data) {
+            str += make_item(data[i]);
+        }
+        $("#list").html(str);
+    }
+}
+
 $("body").on('click', '#stop_btn', function(e){
     e.stopPropagation(); e.preventDefault();
     globalSendCommand('stop', $(this).data('idx'), null, null, function(ret){
@@ -400,8 +410,5 @@ function status_html(data) {
 }
 </script>
 
-});
-</script>
-
 {% endblock %}