diff --git a/apps/web/e2e/core-generation.spec.ts b/apps/web/e2e/core-generation.spec.ts
index bc5174cc6..31c0b42e2 100755
--- a/apps/web/e2e/core-generation.spec.ts
+++ b/apps/web/e2e/core-generation.spec.ts
@@ -212,12 +212,12 @@ test.describe("Core generation flow", () => {
     await expect(page.getByRole("heading", { name: /选择标题/ })).toBeVisible({ timeout: 15000 })
     // 等待组件完全渲染
     await page.waitForTimeout(2000)
-    
+
     // Antd AutoComplete 的 placeholder 渲染在 span 上，input 无 placeholder 属性
     // 使用 Antd AutoComplete 特有的 class 定位输入框
     const titleInput = page.locator(".ant-select-auto-complete input")
     await expect(titleInput).toBeVisible({ timeout: 5000 })
-    
+
     const titleText = `E2E Test ${suffix}`
     await titleInput.fill(titleText)
     await page.getByRole("button", { name: "下一步" }).click()
diff --git a/packages/shared/ai_service.py b/packages/shared/ai_service.py
index 2550fb060..b9ff8abcb 100755
--- a/packages/shared/ai_service.py
+++ b/packages/shared/ai_service.py
@@ -296,7 +296,6 @@ def _call_ai_recommend_service(
 # ── AI 封面生成 ──────────────────────────────────────────────────────────────
 
 
-
 def _transfer_cover_frame_to_storage(frame_url: str, plan_id: str) -> str:
     """下载 MediaKit 帧图并上传到 OSS，返回公开可访问的 URL.
 
@@ -330,6 +329,7 @@ def _transfer_cover_frame_to_storage(frame_url: str, plan_id: str) -> str:
 
         # 上传到 OSS
         from packages.shared.storage import get_shared_storage_service
+
         storage = get_shared_storage_service()
         cover_key = f"covers/{plan_id}/mediakit_frame_{uuid.uuid4().hex[:8]}.jpg"
         storage.upload_file(