diff --git a/src/main/java/com/iflytop/sgs/app/core/aspect/DeviceStateChangeAspect.java b/src/main/java/com/iflytop/sgs/app/core/aspect/DeviceStateChangeAspect.java
index ee9363d..036f137 100644
--- a/src/main/java/com/iflytop/sgs/app/core/aspect/DeviceStateChangeAspect.java
+++ b/src/main/java/com/iflytop/sgs/app/core/aspect/DeviceStateChangeAspect.java
@@ -9,7 +9,6 @@ import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.After;
 import org.aspectj.lang.annotation.Aspect;
 import org.aspectj.lang.annotation.Before;
-import org.aspectj.lang.annotation.Pointcut;
 import org.springframework.stereotype.Component;
 
 import java.util.concurrent.locks.Lock;