diff --git a/protos/device_state.proto b/protos/device_state.proto
index cffe7bc..bce2250 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -398,8 +398,6 @@ message TrainMapVobcState {
 	bool allDoorClose = 25;
 	// 通讯中断
 	bool udpInterruption = 26;
-	// 更新时间
-	int64 updateTime = 27;
 }
 
 // 继电器状态