diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index e1abfdb..24551ed 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -378,10 +378,10 @@ message Section {
 //关联设备
 message RelatedRef {
   enum DeviceType {
-    Section = 0;
-    Turnout = 1;
-    TrainWindow = 2;
-    AxleCounting = 3;
+    Section = 0; //区段
+    Turnout = 1; //道岔
+    TrainWindow = 2; //车次窗
+    AxleCounting = 3; //计轴器
     SectionLink = 4;
     signal = 5;
     station = 6;
@@ -389,9 +389,9 @@ message RelatedRef {
     SignalFaultAlarm = 8;
     Breakers = 9;//断路器
     PowerScreen = 10;//电源屏
-    GarageDoor = 11;
-    CarWashing = 12;
-    FloodGate = 13;
+    GarageDoor = 11; //车库门
+    CarWashing = 12; //洗车机
+    FloodGate = 13; //防淹门
   }
 
   enum DevicePort {