diff --git a/protos/request.proto b/protos/request.proto
index 77a0c96..fe28032 100644
--- a/protos/request.proto
+++ b/protos/request.proto
@@ -52,7 +52,7 @@ message Section{
     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
+        SetFaultOcc = 2;//设置故障占用
+        CancelFaultOcc = 3;//取消故障占用
     }
 }
\ No newline at end of file