From 6446394662692b3fd4771bd2f076d4d50dfa5c31 Mon Sep 17 00:00:00 2001
From: xiaoxia <xiaoxia@xiaoxiajianji.com>
Date: Thu, 13 Aug 2026 00:22:38 +0800
Subject: [PATCH] =?UTF-8?q?perf(#1341):=20=E4=BC=98=E5=8C=96=E5=B0=81?=
 =?UTF-8?q?=E9=9D=A2=E7=94=9F=E6=88=90=E9=80=9F=E5=BA=A6?=
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- max_frames: 3 → 1（只抽取 1 帧，速度优先）
- poll_interval: 2.0s → 1.0s（缩短轮询间隔）
- max_poll_attempts: 60 → 30（超时从 120s 降到 60s）

预期效果：封面生成时间从 120s 减少到 60s
---
 packages/shared/ai_service.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/shared/ai_service.py b/packages/shared/ai_service.py
index 637053eb7..82f91a147 100755
--- a/packages/shared/ai_service.py
+++ b/packages/shared/ai_service.py
@@ -403,9 +403,9 @@ def _call_ai_cover_service(
                 frames = client.extract_frames(
                     video_url=primary_video_url,
                     strategy="SceneChange",  # 自动识别画面变化，选最佳帧
-                    max_frames=3,  # 减少到 3 帧，平衡速度和质量
-                    poll_interval=2.0,  # 缩短轮询间隔
-                    max_poll_attempts=60,  # 120秒超时
+                    max_frames=1,  # 只抽取 1 帧，速度优先
+                    poll_interval=1.0,  # 缩短轮询间隔到 1 秒
+                    max_poll_attempts=30,  # 60秒超时
                 )
 
                 if frames and len(frames) > 0:
-- 
2.54.0