diff --git a/apps/api/app/services/ai_avatar_cover_service.py b/apps/api/app/services/ai_avatar_cover_service.py
index 2b3422f90..02cb34b59 100644
--- a/apps/api/app/services/ai_avatar_cover_service.py
+++ b/apps/api/app/services/ai_avatar_cover_service.py
@@ -31,13 +31,14 @@ BEST_FRAME_DOWNLOAD_TIMEOUT = 30
 
 def _sign_video_url_for_mediakit(video_url: str) -> str:
     """如果 video_url 是自家 OSS 私有桶 URL，重新签名为长有效期预签名 URL。
-    
+
     MediaKit GPU worker 需要能公网访问 video_url，裸 public_url 在私有桶下会 403。
     """
     if not video_url:
         return video_url
     try:
         from packages.shared.storage import get_shared_storage_service
+
         storage = get_shared_storage_service()
         public_base = getattr(storage, "public_url", "")
         if not isinstance(public_base, str) or not public_base:
@@ -82,7 +83,10 @@ def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
 
         logger.info(
             "[数字人封面] 开始抽帧: video_url=%s max_frames=%d poll_interval=%.1f max_poll=%d",
-            video_url[:80], max_frames, COVER_POLL_INTERVAL, COVER_MAX_POLL_ATTEMPTS,
+            video_url[:80],
+            max_frames,
+            COVER_POLL_INTERVAL,
+            COVER_MAX_POLL_ATTEMPTS,
         )
 
         snapshots = mk.extract_frames(
diff --git a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
index 06bf75464..bd2fe67f7 100644
--- a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
+++ b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
@@ -30,13 +30,7 @@ import {
 } from "./utils/contract"
 
 /** 面板折叠状态 */
-type PanelKey =
-  | "video"
-  | "voice"
-  | "script"
-  | "lipsync"
-  | "title"
-  | "cover"
+type PanelKey = "video" | "voice" | "script" | "lipsync" | "title" | "cover"
 
 const AiAvatarPage: React.FC = () => {
   const state = useAiAvatar()
@@ -52,9 +46,9 @@ const AiAvatarPage: React.FC = () => {
 
   /* ── 对口型生成弹窗 ── */
   const [showLipsyncModal, setShowLipsyncModal] = useState(false)
-  const [lipsyncStatus, setLipsyncStatus] = useState<
-    "generating" | "completed" | "failed"
-  >("generating")
+  const [lipsyncStatus, setLipsyncStatus] = useState<"generating" | "completed" | "failed">(
+    "generating",
+  )
   const [lipsyncErrorMessage, setLipsyncErrorMessage] = useState("")
   /* ─ 智能封面加载态 ── */
   const [smartCoverLoading, setSmartCoverLoading] = useState(false)
@@ -153,9 +147,7 @@ const AiAvatarPage: React.FC = () => {
           } else if (updated.status === "failed") {
             if (lipsyncTimerRef.current) clearInterval(lipsyncTimerRef.current)
             setLipsyncStatus("failed")
-            setLipsyncErrorMessage(
-              updated.error_message || "对口型生成失败",
-            )
+            setLipsyncErrorMessage(updated.error_message || "对口型生成失败")
           }
         } catch (err) {
           console.error("[对口型] 轮询错误:", err)
@@ -168,18 +160,10 @@ const AiAvatarPage: React.FC = () => {
         message: err instanceof Error ? err.message : String(err),
       })
       setShowLipsyncModal(false)
-      message.error(
-        err instanceof Error ? err.message : "对口型任务提交失败，请重试",
-      )
+      message.error(err instanceof Error ? err.message : "对口型任务提交失败，请重试")
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [
-    state.selectedVideo,
-    state.selectedVoice,
-    state.scriptText,
-    state.speed,
-    state.emotion,
-  ])
+  }, [state.selectedVideo, state.selectedVoice, state.scriptText, state.speed, state.emotion])
 
   const handleCancelLipsync = useCallback(() => {
     if (lipsyncTimerRef.current) {
@@ -210,18 +194,13 @@ const AiAvatarPage: React.FC = () => {
         script_id: state.script?.id,
         b_roll_segments: state.bRollSegments as never,
         title_config: buildTitleConfigPayload(state.titleConfig),
-        cover_config: buildCoverConfigPayload(
-          state.coverConfig,
-          state.coverConfig.smart_cover_url,
-        ),
+        cover_config: buildCoverConfigPayload(state.coverConfig, state.coverConfig.smart_cover_url),
         resolution: state.resolution,
       })
       message.success("渲染任务已提交，可在视频管理中查看进度")
     } catch (err) {
       console.error("渲染任务提交失败:", err)
-      message.error(
-        err instanceof Error ? err.message : "渲染任务提交失败，请重试",
-      )
+      message.error(err instanceof Error ? err.message : "渲染任务提交失败，请重试")
     } finally {
       state.setIsGenerating(false)
     }
@@ -258,9 +237,7 @@ const AiAvatarPage: React.FC = () => {
       }
     } catch (err) {
       console.error("智能封面生成失败:", err)
-      message.error(
-        err instanceof Error ? err.message : "智能封面生成失败，请重试",
-      )
+      message.error(err instanceof Error ? err.message : "智能封面生成失败，请重试")
     } finally {
       setSmartCoverLoading(false)
     }
@@ -293,9 +270,7 @@ const AiAvatarPage: React.FC = () => {
         <div className="aa-step__connector" />
         <div className={`aa-step ${currentStep >= 2 ? "active" : ""}`}>
           <span className="aa-step__number">2</span>
-          <span className="aa-step__label">
-            对口型 / 标题 / 封面 / 生成
-          </span>
+          <span className="aa-step__label">对口型 / 标题 / 封面 / 生成</span>
         </div>
       </div>
 
@@ -304,13 +279,8 @@ const AiAvatarPage: React.FC = () => {
         {currentStep === 1 && (
           <>
             {/* 面板 1：出镜视频 */}
-            <div
-              className={`aa-panel${collapsed.video ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("video")}
-              >
+            <div className={`aa-panel${collapsed.video ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("video")}>
                 <span className="aa-panel__title">出镜视频</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
@@ -325,13 +295,8 @@ const AiAvatarPage: React.FC = () => {
             </div>
 
             {/* 面板 2：配音库 */}
-            <div
-              className={`aa-panel${collapsed.voice ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("voice")}
-              >
+            <div className={`aa-panel${collapsed.voice ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("voice")}>
                 <span className="aa-panel__title">配音库</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
@@ -352,13 +317,8 @@ const AiAvatarPage: React.FC = () => {
             </div>
 
             {/* 面板 3：文案 */}
-            <div
-              className={`aa-panel${collapsed.script ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("script")}
-              >
+            <div className={`aa-panel${collapsed.script ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("script")}>
                 <span className="aa-panel__title">文案</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
@@ -373,10 +333,7 @@ const AiAvatarPage: React.FC = () => {
 
             {/* 步骤 1 底部按钮 */}
             <div className="aa-step-actions">
-              <button
-                className="aa-btn aa-btn--primary"
-                onClick={handleNextStep}
-              >
+              <button className="aa-btn aa-btn--primary" onClick={handleNextStep}>
                 下一步
               </button>
             </div>
@@ -387,16 +344,9 @@ const AiAvatarPage: React.FC = () => {
         {currentStep === 2 && (
           <>
             {/* 面板 4：插入画面 & 对口型预览 */}
-            <div
-              className={`aa-panel${collapsed.lipsync ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("lipsync")}
-              >
-                <span className="aa-panel__title">
-                  对口型预览
-                </span>
+            <div className={`aa-panel${collapsed.lipsync ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("lipsync")}>
+                <span className="aa-panel__title">对口型预览</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
               <div className="aa-panel__body">
@@ -411,13 +361,8 @@ const AiAvatarPage: React.FC = () => {
             </div>
 
             {/* 面板 5：标题配置 */}
-            <div
-              className={`aa-panel${collapsed.title ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("title")}
-              >
+            <div className={`aa-panel${collapsed.title ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("title")}>
                 <span className="aa-panel__title">标题配置</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
@@ -430,13 +375,8 @@ const AiAvatarPage: React.FC = () => {
             </div>
 
             {/* 面板 6：封面 & 生成 */}
-            <div
-              className={`aa-panel${collapsed.cover ? " collapsed" : ""}`}
-            >
-              <div
-                className="aa-panel__header"
-                onClick={() => togglePanel("cover")}
-              >
+            <div className={`aa-panel${collapsed.cover ? " collapsed" : ""}`}>
+              <div className="aa-panel__header" onClick={() => togglePanel("cover")}>
                 <span className="aa-panel__title">封面 & 生成</span>
                 <span className="aa-panel__toggle">▼</span>
               </div>
@@ -451,9 +391,7 @@ const AiAvatarPage: React.FC = () => {
                   }
                   onSmartCover={handleSmartCover}
                   smartCoverLoading={smartCoverLoading}
-                  canSmartCover={
-                    state.lipsyncJob?.status === "completed"
-                  }
+                  canSmartCover={state.lipsyncJob?.status === "completed"}
                   resolution={state.resolution}
                   onResolutionChange={state.setResolution}
                   isGenerating={state.isGenerating}
@@ -511,10 +449,7 @@ const AiAvatarPage: React.FC = () => {
           <div className="aa-modal" onClick={(e) => e.stopPropagation()}>
             <div className="aa-modal__header">
               <span className="aa-modal__title">对口型生成</span>
-              <button
-                className="aa-modal__close"
-                onClick={handleCancelLipsync}
-              >
+              <button className="aa-modal__close" onClick={handleCancelLipsync}>
                 ✕
               </button>
             </div>
@@ -592,10 +527,7 @@ const AiAvatarPage: React.FC = () => {
             </div>
             <div className="aa-modal__footer">
               {lipsyncStatus === "generating" && (
-                <button
-                  className="aa-btn aa-btn--danger"
-                  onClick={handleCancelLipsync}
-                >
+                <button className="aa-btn aa-btn--danger" onClick={handleCancelLipsync}>
                   取消生成
                 </button>
               )}
@@ -663,17 +595,12 @@ const ScriptSelectModalLazy: React.FC<{
           ) : (
             <div className="aa-script-list">
               {filtered.map((s) => (
-                <div
-                  key={s.id}
-                  className="aa-script-item"
-                  onClick={() => onSelect(s)}
-                >
+                <div key={s.id} className="aa-script-item" onClick={() => onSelect(s)}>
                   <span className="aa-script-item__icon">📄</span>
                   <div className="aa-script-item__info">
                     <div className="aa-script-item__title">{s.title}</div>
                     <div className="aa-script-item__meta">
-                      {s.char_count}字 ·{" "}
-                      {new Date(s.created_at).toLocaleDateString()}
+                      {s.char_count}字 · {new Date(s.created_at).toLocaleDateString()}
                     </div>
                   </div>
                 </div>
diff --git a/apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx b/apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx
index 1e32c5186..26789632d 100755
--- a/apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx
+++ b/apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx
@@ -30,8 +30,7 @@ export function PanelLipsyncPreview({
   onOpenBRollModal,
   onRemoveBRoll,
 }: PanelLipsyncPreviewProps) {
-  const isGenerating =
-    lipsyncJob?.status === "pending" || lipsyncJob?.status === "processing"
+  const isGenerating = lipsyncJob?.status === "pending" || lipsyncJob?.status === "processing"
   const isDone = lipsyncJob?.status === "completed"
   const isFailed = lipsyncJob?.status === "failed"
 
@@ -49,9 +48,7 @@ export function PanelLipsyncPreview({
         <div className="aa-lipsync-section__title">
           <span style={{ marginRight: 8 }}>🎞️ 插入画面</span>
           {bRollSegments.length > 0 && (
-            <span className="aa-broll-badge">
-              🎬 {bRollSegments.length} 个画面
-            </span>
+            <span className="aa-broll-badge">🎬 {bRollSegments.length} 个画面</span>
           )}
         </div>
         <div className="aa-lipsync-actions">
@@ -75,10 +72,7 @@ export function PanelLipsyncPreview({
                     alt={seg.asset.name}
                   />
                 ) : (
-                  <span
-                    className="aa-broll-item__thumb"
-                    style={{ padding: "6px 4px" }}
-                  >
+                  <span className="aa-broll-item__thumb" style={{ padding: "6px 4px" }}>
                     🎬
                   </span>
                 )}
@@ -157,11 +151,7 @@ export function PanelLipsyncPreview({
 
         <div className="aa-lipsync-actions">
           {isDone ? (
-            <button
-              type="button"
-              className="aa-btn aa-btn--full"
-              onClick={onGenerateLipsync}
-            >
+            <button type="button" className="aa-btn aa-btn--full" onClick={onGenerateLipsync}>
               🔄 重新生成对口型
             </button>
           ) : isGenerating ? (
diff --git a/apps/web/src/pages/ai-avatar/components/PanelScript.tsx b/apps/web/src/pages/ai-avatar/components/PanelScript.tsx
index 7ff8b91d7..551e87131 100755
--- a/apps/web/src/pages/ai-avatar/components/PanelScript.tsx
+++ b/apps/web/src/pages/ai-avatar/components/PanelScript.tsx
@@ -55,9 +55,7 @@ export function PanelScript({
         value={scriptText}
         readOnly={scriptTab === "library"}
         placeholder={
-          scriptTab === "library"
-            ? "点击上方按钮，从文案库选择文案…"
-            : "请输入数字人口播文案…"
+          scriptTab === "library" ? "点击上方按钮，从文案库选择文案…" : "请输入数字人口播文案…"
         }
         onChange={(e) => onScriptTextChange(e.target.value)}
       />
diff --git a/tests/unit/test_ai_avatar_emotion_tts_lipsync.py b/tests/unit/test_ai_avatar_emotion_tts_lipsync.py
index 3df80e903..217b0d6ba 100644
--- a/tests/unit/test_ai_avatar_emotion_tts_lipsync.py
+++ b/tests/unit/test_ai_avatar_emotion_tts_lipsync.py
@@ -289,7 +289,9 @@ def test_sign_video_url_resigns_own_oss_url():
     with patch("packages.shared.storage.get_shared_storage_service") as storage_patch:
         storage = MagicMock()
         storage.public_url = "https://xiaoxia-autocut.oss-cn-hangzhou.aliyuncs.com"
-        storage.get_download_url.return_value = "https://xiaoxia-autocut.oss-cn-hangzhou.aliyuncs.com/vid.mp4?Expires=999&Signature=abc"
+        storage.get_download_url.return_value = (
+            "https://xiaoxia-autocut.oss-cn-hangzhou.aliyuncs.com/vid.mp4?Expires=999&Signature=abc"
+        )
         storage_patch.return_value = storage
 
         result = cov._sign_video_url_for_mediakit("https://xiaoxia-autocut.oss-cn-hangzhou.aliyuncs.com/vid.mp4")