diff --git a/zh-cn/hardware_vision_scheduling.md b/zh-cn/hardware_vision_scheduling.md
index 7977400..3235076 100644
--- a/zh-cn/hardware_vision_scheduling.md
+++ b/zh-cn/hardware_vision_scheduling.md
@@ -386,7 +386,10 @@ sequenceDiagram
     "has_bark": true,
     "order_sn": "SO20251101000002",
     "order_spec": "11*12*12",
-    "wood_id": "WOOD_20251103_162602_004_2ace914e"
+    "wood_id": "WOOD_20251103_162602_004_2ace914e",
+    "left_distance": 10.5,
+    "right_distance": 10.5,
+    "length": 4100.0
   },
   "timestamp": 1762158534297
 }
@@ -401,6 +404,9 @@ sequenceDiagram
 | wood_id | string | 是 | 原木唯一标识ID       |
 | grade | string | 否 | 原木等级           |
 | has_bark | bool | 否 | 是否有 bark （带树皮） |
+| left_distance | number | 否 | 原木左端距离       |
+| right_distance | number | 否 | 原木右端距离       |
+| length | number | 否 | 原木长度           |
 
 **响应示例：**
 ```json