diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiActuatorBase.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiActuatorBase.java
index 50a619c..a94b2c7 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiActuatorBase.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiActuatorBase.java
@@ -116,6 +116,14 @@ abstract public class DiActuatorBase implements DiActuator {
         return this.device.call(cmd, this.mid, args);
     }
 
+    // set reg value
+    public void setRegValue(Integer index, Integer value) {
+        if ( null == value ) {
+            return ;
+        }
+        this.call(DiCommand.MODULE_SET_REG, index, value);
+    }
+
     // get location value
     public Integer getLocationValue(String key, Object ... args ) {
         StringBuilder keyBuilder = new StringBuilder(key);