diff --git a/src/main/java/com/iflytop/a800/device/Incubator.java b/src/main/java/com/iflytop/a800/device/Incubator.java
index b5902c2..053dae6 100644
--- a/src/main/java/com/iflytop/a800/device/Incubator.java
+++ b/src/main/java/com/iflytop/a800/device/Incubator.java
@@ -1,6 +1,5 @@
 package com.iflytop.a800.device;
 import com.fasterxml.jackson.databind.JsonNode;
-import com.iflytop.a800.EventMan;
 import com.iflytop.a800.resource.IncubatorSlot;
 import com.iflytop.a800.resource.TestCard;
 import com.iflytop.uf.UfActuatorCmdExecutor;