diff --git a/apps/web/src/test/setup.ts b/apps/web/src/test/setup.ts
index 48b7844f0..73101f24b 100644
--- a/apps/web/src/test/setup.ts
+++ b/apps/web/src/test/setup.ts
@@ -20,7 +20,6 @@ Object.defineProperty(window, "matchMedia", {
   }),
 });
 
-
 // 扩展 Vitest 的 expect
 expect.extend(matchers);
 
diff --git a/apps/worker/worker_app/tasks/ingest.py b/apps/worker/worker_app/tasks/ingest.py
index da12735f9..67971fc9e 100755
--- a/apps/worker/worker_app/tasks/ingest.py
+++ b/apps/worker/worker_app/tasks/ingest.py
@@ -51,19 +51,7 @@ def extract_media_metadata(file_url: str, media_type: str) -> dict:
                 timeout=30,
             )
             if result.returncode == 0:
-                import json
-
-
-def _safe_parse_fps(fps_str: str) -> float:
-    """Safely parse fps from fraction string like 30/1."""
-    try:
-        if "/" in fps_str:
-            num, den = fps_str.split("/")
-            return float(num) / float(den) if float(den) != 0 else 0.0
-        return float(fps_str)
-    except (ValueError, ZeroDivisionError):
-        return 0.0
- as json_lib
+                import json as json_lib
 
                 probe_data = json_lib.loads(result.stdout)