diff --git a/protos/device_state.proto b/protos/device_state.proto
index 3158420..2e5fba3 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -919,6 +919,10 @@ message SimulationThirdPartyApiService {
     SemiPhysicalTrain = 2;
     //列车pc仿真
     Train_pc_sim = 3;
+    // 联锁通信服务
+    CI = 4;
+    // 计轴区段通信服务
+    AxleSection = 5;
   }
   // 服务状态
   enum State {