diff --git a/src/main/java/com/iflytop/gd/app/core/device/TrayState.java b/src/main/java/com/iflytop/gd/app/core/device/TrayState.java
index 17d36ba..e2e745a 100644
--- a/src/main/java/com/iflytop/gd/app/core/device/TrayState.java
+++ b/src/main/java/com/iflytop/gd/app/core/device/TrayState.java
@@ -30,7 +30,7 @@ public class TrayState {
     public TrayState() {
         for (int i = 0; i < tubes.length; i++) {
             TubeState tubeState = new TubeState();
-            tubeState.setTubeNum(i);
+            tubeState.setTubeNum(i + 1);
             tubes[i] = tubeState;
         }
     }