diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index 2b63d7d..414b790 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -121,10 +121,15 @@ message Station {
 }
 
 message StationLine {
+   enum stationColor {
+    orange = 0;
+    gray = 1;
+  }
   CommonInfo common = 1;
   string code = 2;
   bool hasTransfer = 3; // 是否有换乘图标
   bool hideName = 4;
+  stationColor codeColor = 5;
 }
 
 message TrainWindow {