diff --git a/video-gen-api/app/api/v1/team.py b/video-gen-api/app/api/v1/team.py
index 12e1f8fb..e37fc4a1 100644
--- a/video-gen-api/app/api/v1/team.py
+++ b/video-gen-api/app/api/v1/team.py
@@ -370,10 +370,13 @@ async def export_team_credit_records(
         ])
 
     from starlette.responses import StreamingResponse
+    from urllib.parse import quote
     output.seek(0)
-    filename = f"团队积分_{team.name}_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+    safe_team_name = team.name or "team"
+    filename = f"团队积分_{safe_team_name}_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+    encoded_filename = quote(filename)
     return StreamingResponse(
         iter([output.getvalue()]),
         media_type="text/csv; charset=utf-8-sig",
-        headers={"Content-Disposition": f"attachment; filename*=UTF-8''{filename}"},
+        headers={"Content-Disposition": f"attachment; filename*=UTF-8''{encoded_filename}"},
     )