diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceActuatorManager.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceActuatorManager.java
index 57f6bb6..46e5380 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceActuatorManager.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceActuatorManager.java
@@ -44,22 +44,10 @@ public class DiDeviceActuatorManager {
             throw new RuntimeException("Invalid actuators config");
         }
 
+        @SuppressWarnings("unchecked")
         List<Map<String,Object>> actuators = (List<Map<String, Object>>) config;
         for ( Map<String,Object> actuatorConfig : actuators ) {
-            // find actuator class
-            String type = (String)actuatorConfig.get("type");
-            Class<?> actClazz = null;
-            try {
-                actClazz = Class.forName(type);
-            } catch (ClassNotFoundException e) {
-                String actClassName = "com.my.graphiteDigesterBg.diframe.actuator.DiAct" + type;
-                try {
-                    actClazz = Class.forName(actClassName);
-                } catch (ClassNotFoundException ex) {
-                    throw new RuntimeException(ex);
-                }
-            }
-
+            Class<?> actClazz = this.getActuatorClassByOptions(actuatorConfig);
             // create actuator instance
             Constructor<?> actuatorConstructor = null;
             try {
@@ -80,4 +68,40 @@ public class DiDeviceActuatorManager {
             this.actuators.put((String)actuatorConfig.get("key"), actuator);
         }
     }
+
+    // get actuator class by options
+    private Class<?> getActuatorClassByOptions(Map<String,Object> options) {
+        // find actuator class
+        String type = (String)options.get("type");
+        Class<?> actClazz = null;
+        try {
+            actClazz = Class.forName(type);
+        } catch (ClassNotFoundException e) {
+            String actClassName = "com.my.graphiteDigesterBg.diframe.actuator.DiAct" + type;
+            try {
+                actClazz = Class.forName(actClassName);
+            } catch (ClassNotFoundException ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+
+        if ( !actClazz.isInterface() ) {
+            return actClazz;
+        }
+
+        // find implement class if actuator class is an interface
+        String actImplName = (String)options.get("implement");
+        try {
+            actClazz = Class.forName(actImplName);
+        } catch (ClassNotFoundException e) {
+            String actImplClassName = "com.my.graphiteDigesterBg.diframe.actuator.impl.DiAct" + actImplName;
+            try {
+                actClazz = Class.forName(actImplClassName);
+            } catch (ClassNotFoundException ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+
+        return actClazz;
+    }
 }