diff --git a/src/main/java/com/iflytop/colortitration/app/core/state/DeviceState.java b/src/main/java/com/iflytop/colortitration/app/core/state/DeviceState.java
index bdbd4d4..4276480 100644
--- a/src/main/java/com/iflytop/colortitration/app/core/state/DeviceState.java
+++ b/src/main/java/com/iflytop/colortitration/app/core/state/DeviceState.java
@@ -56,8 +56,8 @@ public class DeviceState {
         json.putOnce("titrationModule", new ArrayList<>(titrationModuleStateMap.values()));
         json.putOnce("heatModuleState", new ArrayList<>(heatModuleStateMap.values()));
         json.putOnce("trayTubeState", new ArrayList<>(trayTubeStateMap.values()));
-        json.putOnce("trayExist1", virtual);
-        json.putOnce("trayExist2", virtual);
+        json.putOnce("trayExist1", trayExist1);
+        json.putOnce("trayExist2", trayExist2);
         json.putOnce("virtual", virtual);
         json.putOnce("initComplete", initComplete);
         json.putOnce("selfTest", selfTest);