diff --git a/protos/alertInfo.proto b/protos/alertInfo.proto
index 499e7b8..7c1d8b7 100644
--- a/protos/alertInfo.proto
+++ b/protos/alertInfo.proto
@@ -16,11 +16,34 @@ message NccAlertInfoMessage {
 
     string alert_time = 3;
 
-    string info = 4;
+    int32 alert_tip_id = 4;
 
-    int32 alert_tip_id = 5;
+    int32 line_id = 5;
 
-    bool mock = 6;
+    string alert_object = 6;
+
+    AlertType alert_type = 7;
+
+    string locator_device_id = 8;
+
+    bool mock = 9;
   }
+
+  enum AlertType {
+    UNKNOWN = 0;
+    //蓝显
+    BLUE_DISPLAY = 1;
+    //列车延误2分钟
+    TRAIN_DELAY_2 = 2;
+    //列车延误10分钟
+    TRAIN_DELAY_10 = 3;
+    //整侧站台门无关闭锁紧信号
+    PLATFORM_DOOR_WITHOUT_LOCKED_SIGNAL = 4;
+    //整侧站台门无法打开
+    PLATFORM_DOOR_CANNOT_OPEN = 5;
+    //整侧站台门无法关闭
+    PLATFORM_DOOR_CANNOT_CLOSE = 6;
+  }
+
   repeated Message messages = 1;
 }