diff --git a/protos/device_state.proto b/protos/device_state.proto
index 2419d01..6f3272b 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -136,6 +136,7 @@ message TrainConnState{
   TrainConnType connType = 2;
   uint32 TrainControlMapId = 3; //关联的列车控制mapId
   string typeName = 4;//连接名称
+//  map<string, SensorSpeedPulseCount> speedPulseCountMap = 5;//连接状态
   enum TrainConnType{
     NONE = 0;//未知连接
     VOBC = 1; //半实物
@@ -198,13 +199,15 @@ message TrainState{
 //  VobcBtmState vobcBtm = 27;//vobc btm 状态
   string oldLink = 28;
   int64 oldLinkOffset = 29;
-  TrainBtmCache btmBaliseCache = 30; //列车应答器缓存
-  int32 TrainLoad = 31; //列车载荷（吨）
-  float TrainMaxSpeed = 32; //列车最大时速
-  float TrainMaxAcc   = 33; //列车最大加速度
-  float TrainMaxBrake  = 34; //列车最大减速度
-  float TrainEmergencyBrake = 35;//列车紧急制动减速度
-  string projectCode = 36;
+  TrainBtmCache btmBaliseCacheA = 30; //列车应答器缓存
+  TrainBtmCache btmBaliseCacheB = 31; //列车应答器缓存
+
+  int32 TrainLoad = 32; //列车载荷（吨）
+  float TrainMaxSpeed = 33; //列车最大时速
+  float TrainMaxAcc   = 34; //列车最大加速度
+  float TrainMaxBrake  = 35; //列车最大减速度
+  float TrainEmergencyBrake = 36;//列车紧急制动减速度
+  string projectCode = 37;
 }
 
 //列车应答器缓存