diff --git a/packages/domain/xfade_builder.py b/packages/domain/xfade_builder.py
index 329e63064..ad454c26e 100755
--- a/packages/domain/xfade_builder.py
+++ b/packages/domain/xfade_builder.py
@@ -168,11 +168,7 @@ def build_xfade_filter_chain(
         )
 
         # #1766: 位置微调 jitter
-        jitter = (
-            jitters[i - 1]
-            if jitters and (i - 1) < len(jitters)
-            else 0.0
-        )
+        jitter = jitters[i - 1] if jitters and (i - 1) < len(jitters) else 0.0
 
         # offset = 转场开始点（相对于累积输出起点）
         # 基础 offset = first_input_dur - step_duration