diff --git a/protos/alertConst.proto b/protos/alertConst.proto
index 7202fdc..05eea72 100644
--- a/protos/alertConst.proto
+++ b/protos/alertConst.proto
@@ -58,4 +58,6 @@ enum AlertType {
   SWITCH_LOST_MOST = 17;
   //列车紧制 & atp切除
   TRAIN_EB_ATP = 18;
+  //全线蓝显
+  ALL_LINE_BLUE_DISPLAY = 19;
 }