diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index becc110..7593c0d 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -175,10 +175,17 @@ message Section {
   RelatedRef pbRef = 5; // 区段B端关联的设备
 }
 
+message KilometerPoint {
+  Point point = 1;
+  float kilometer = 2;
+}
+
 message PathLine {
   CommonInfo common = 1;
   string code = 2;
   repeated Point points = 3;
+  bool isUp = 4;
+  repeated KilometerPoint kilometerPoints = 5;
 }
 
 //关联设备