diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index d4355bd..785be9d 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -135,8 +135,8 @@ message ConcentrationDividingLine {
 }
 
 message NodeConWithSec {
- string leftSectionId = 1;
- string rightSectionId = 2;
+ RelatedRef leftSection = 1;
+ RelatedRef rightSection = 2;
 }
 
 message Platform {