diff --git a/doco/src/doco/video_split.py b/doco/src/doco/video_split.py
index 0411d11..116499b 100644
--- a/doco/src/doco/video_split.py
+++ b/doco/src/doco/video_split.py
@@ -558,7 +558,7 @@ def split_video(
 
     # 统计各 decision（frame_analysis 已包含所有非空白帧的 decision）
     for frame_idx, data in frame_analysis.items():
-        decision_stats[data["decision"]] = decision_stats.get(data["decision"], 0)
+        decision_stats[data["decision"]] = decision_stats.get(data["decision"], 0) + 1
 
     # 从 frame_analysis 统计中取 duplicate 相关计数（blank_count 已在上方单独统计）
     duplicate_iou = decision_stats.get("duplicate(iou)", 0)