diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index 6c4c477..8312072 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -10,6 +10,7 @@ message RtssGraphicStorage {
   repeated Station stations = 5;
   repeated Rect Rects = 6;
   repeated Train train = 7;
+  repeated Turnout turnouts = 8;
 }
 
 message Canvas {
@@ -125,4 +126,11 @@ message IscsFan {
   string code = 2;
 }
 
-message Turnout {}
+message Turnout {
+  CommonInfo common = 1;
+  string code = 2;
+  Point forkPoint = 5; // 岔心坐标
+  Point pointA = 6;    // A端坐标
+  Point pointB = 7;    // B端坐标
+  Point pointC = 8;    // C端坐标
+}