diff --git a/packages/shared/gpu_encoder.py b/packages/shared/gpu_encoder.py
index 853eece72..c217b92cf 100644
--- a/packages/shared/gpu_encoder.py
+++ b/packages/shared/gpu_encoder.py
@@ -323,7 +323,6 @@ class GpuEncoderClient:
             raise GpuEncodeError("GPU_ENCODE_RELAY_SECRET not set")
         return secret
 
-
     def _warm_up_if_needed(self) -> None:
         """POST 前预热：如果距上次成功通信超过 idle 阈值，先打 /health 打通 Tailscale 链路。
 
@@ -373,7 +372,8 @@ class GpuEncoderClient:
             first_byte_ok = True
             logger.debug(
                 "[gpu-encoder] P4000 first byte in %.2fs (connect_timeout=%.1fs)",
-                time.time() - t0, connect_timeout,
+                time.time() - t0,
+                connect_timeout,
             )
             # 剩余用长超时
             resp.fp._sock.settimeout(ffmpeg_timeout + 60)