diff --git a/protos/device_state.proto b/protos/device_state.proto
index b8337df..98ffb39 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -30,7 +30,7 @@ message LinkState{
   repeated  string  trainId = 2;
 }
 
-//区段状态
+//物理区段状态
 message SectionState{
   //区段索引
   uint32  id = 1;
@@ -45,6 +45,12 @@ message SectionState{
   bool axlePdrst = 6;
 }
 
+//计轴区段状态
+message AxleCountingSectionState {
+  uint32 id = 1;
+  bool occupied = 2;
+}
+
 //道岔状态
 message  SwitchState{
   //道岔索引
@@ -816,7 +822,7 @@ message AllDevicesStatus{
   repeated TrainMapState trainState = 1;
   // 所有道岔状态
   repeated SwitchState switchState = 2;
-  // 所有类型区段状态
+  // 物理区段状态
   repeated SectionState sectionState = 3;
   // 所有继电器状态
   repeated ReplyState replyState = 4;
@@ -844,6 +850,8 @@ message AllDevicesStatus{
   repeated CkmState fymStates = 15;
   // 洗车机状态
   repeated XcjState xcjStates = 16;
+  // 计轴区段状态
+  repeated AxleCountingSectionState axleCountingSection = 17;
 }
 
 //服务器端向前端推送的设备状态信息