diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index 7c269d5..59658dd 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -135,10 +135,9 @@ message IscsFan {
 message Turnout {
   CommonInfo common = 1;
   string code = 2;
-  Point pointA = 6;      // A端坐标
-  Point pointB = 7;      // B端坐标
-  Point pointC = 8;      // C端坐标
-  Point labelOffset = 9; //标签偏移量
+  repeated Point pointA = 6; // A端坐标列表
+  repeated Point pointB = 7; // B端坐标列表
+  repeated Point pointC = 8; // C端坐标列表
 }
 
 message Signal {