diff --git a/protos/alertConst.proto b/protos/alertConst.proto
index cd5cd9d..0b1c757 100644
--- a/protos/alertConst.proto
+++ b/protos/alertConst.proto
@@ -38,13 +38,14 @@ enum AlertType {
   PLATFORM_DOOR_CANNOT_CLOSE = 6;
   //道岔失表
   SWITCH_LOST = 7;
+
   //道岔均失表
   SWITCH_All_LOST = 8;
   //道岔定位失表
   SWITCH_DW_LOST = 9;
   //道岔反位失表
   SWITCH_FW_LOST = 10;
-  
+
   //计轴红光带
   AXLE_LED_RED = 13;
   //计轴大面积红光带
@@ -53,4 +54,6 @@ enum AlertType {
   AXLE_LED_ORANGE = 15;
   //计轴大面积橙光带
   AXLE_LED_ORANGE_MOST = 16;
+  //道岔大面积失表
+  SWITCH_LOST_MOST = 17;
 }