diff --git a/src/main/java/com/iflytop/uf/UfActuatorBase.java b/src/main/java/com/iflytop/uf/UfActuatorBase.java
index eacb464..902e983 100644
--- a/src/main/java/com/iflytop/uf/UfActuatorBase.java
+++ b/src/main/java/com/iflytop/uf/UfActuatorBase.java
@@ -1,5 +1,6 @@
 package com.iflytop.uf;
 import com.iflytop.uf.model.UfMdbActuatorCmd;
+import com.iflytop.uf.util.UfCommon;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.HashMap;
@@ -38,6 +39,7 @@ abstract public class UfActuatorBase implements UfActuator {
             if ( 0 == status ) {
                 break;
             }
+            UfCommon.delay(100);
         } while ( true );
 
         return result;