diff --git a/protos/device_state.proto b/protos/device_state.proto
index 9317392..a35f3c4 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -322,22 +322,15 @@ message PushedDevicesStatus{
 
 // 仿真信息状态
 message SimulationStatus {
+
+	enum SimulationState {
+		PAUSE = 0;
+		START = 1;
+		ERROR = 2;
+		DESTROY = 3;
+	}
+
 	string simulationId = 1;
 
-	int32 mapId = 2;
-
-	int32 projectId = 3;
-
-	repeated int32 mapIds = 4;
-
-	int32 runConfigId = 5;
-}
-
-// 变更信息状态
-message MemoryDataStatus {
-	repeated SimulationStatus allSimulations = 1;
-
-	repeated SimulationStatus addSimulations = 2;
-
-	repeated SimulationStatus removeSimulations = 3;
+	SimulationState state = 2;
 }
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