diff --git a/protos/request.proto b/protos/request.proto
index ad84292..77a0c96 100644
--- a/protos/request.proto
+++ b/protos/request.proto
@@ -45,3 +45,14 @@ message Signal{
         LightBCancelDs = 11;//取消白灯断丝故障
     }
 }
+
+// 区段
+message Section{
+    //计轴区段操作
+    enum AxleOperation{
+        Drst = 0;//设置计轴直接复位
+        Pdrst = 1;//设置计轴预复位
+        TrainIn = 2;//设置计轴区段内有车轴
+        TrainOut = 3;//设置计轴区段内没有车轴
+    }
+}
\ No newline at end of file