diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssExceptionSpawnable.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssExceptionSpawnable.java
index fd49c88f..2ddc738b 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssExceptionSpawnable.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssExceptionSpawnable.java
@@ -23,7 +23,7 @@ public interface DssExceptionSpawnable extends DssExceptionAcceptable {
     /**
      * Create DssExceptionActorProperty from DssMasterActorProperty
      */
-    <E extends DssExceptionActorProperty, M extends DssMasterActorProperty> E createDssExceptionActorProperty(M masterProperty);
+    <M extends DssMasterActorProperty> DssExceptionActorProperty createDssExceptionActorProperty(M masterProperty);
 
     /**
      * spawn exception actor and set it
diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssMasterActor.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssMasterActor.java
index ead48de6..a4c99b56 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssMasterActor.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssMasterActor.java
@@ -20,7 +20,7 @@ public interface DssMasterActor extends DssActor<DssMasterCommand>, DssException
     /**
      * Get master property
      */
-    <M extends DssMasterActorProperty> M getDssMasterActorProperty();
+    DssMasterActorProperty getDssMasterActorProperty();
 
     /**
      * Get current master actor status
diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssNetworkSpawnable.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssNetworkSpawnable.java
index 15e4ffe9..0b517f42 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssNetworkSpawnable.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssNetworkSpawnable.java
@@ -23,7 +23,7 @@ public interface DssNetworkSpawnable extends DssNetworkAcceptable {
     /**
      * Create DssNetworkActorProperty from DssMasterActorProperty
      */
-    <P extends DssNetworkActorProperty, M extends DssMasterActorProperty> P createDssNetworkActorProperty(M masterProperty);
+    <M extends DssMasterActorProperty> DssNetworkActorProperty createDssNetworkActorProperty(M masterProperty);
 
     /**
      * spawn network actor and set it
diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssResolverSpawnable.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssResolverSpawnable.java
index 6b44d034..7a0c95bb 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssResolverSpawnable.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssResolverSpawnable.java
@@ -23,7 +23,7 @@ public interface DssResolverSpawnable extends DssResolverAcceptable {
     /**
      * Create DssResolverActorProperty from DssMasterActorProperty
      */
-    <P extends DssResolverActorProperty, M extends DssMasterActorProperty> P createDssResolverActorProperty(M masterProperty);
+    <M extends DssMasterActorProperty> DssResolverActorProperty createDssResolverActorProperty(M masterProperty);
 
     /**
      * spawn resolver actor and set it
diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssServiceSpawnable.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssServiceSpawnable.java
index ff109a27..f9036c11 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssServiceSpawnable.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/DssServiceSpawnable.java
@@ -26,7 +26,7 @@ public interface DssServiceSpawnable extends DssServiceAcceptable {
     /**
      * Create DssServiceActorProperty list from DssMasterActorProperty
      */
-    <P extends DssServiceActorProperty, M extends DssMasterActorProperty> List<P> createDssServiceActorPropertyList(M masterProperty);
+    <M extends DssMasterActorProperty> List<DssServiceActorProperty> createDssServiceActorPropertyList(M masterProperty);
 
     /**
      * Create DssServiceActorResolvable from DssServiceActorProperty and service actor
diff --git a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/util/DssCommonActorUtils.java b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/util/DssCommonActorUtils.java
index ce68f409..dfa976a5 100644
--- a/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/util/DssCommonActorUtils.java
+++ b/dss-core/src/main/java/io/github/ztkmkoo/dss/core/actor/util/DssCommonActorUtils.java
@@ -15,6 +15,12 @@
  */
 public class DssCommonActorUtils {
 
+    private static final String MSG_BEHAVIOR_CREATOR_NULL = "DssBehaviorCreator is null";
+    private static final String MSG_PROPERTY_NULL = "DssActorProperty is null";
+    private static final String MSG_ACTOR_NULL = "AbstractDssActor is null";
+    private static final String MSG_ACTOR_CONTEXT_NULL = "ActorContext is null";
+    private static final String MSG_BEHAVIOR_NULL = "Behavior is null";
+
     private DssCommonActorUtils() {}
 
     public static <C extends DssCommand, P extends DssCommand, T extends DssActorProperty> ActorRef<C> spawn(
@@ -22,7 +28,12 @@ public static <C extends DssCommand, P extends DssCommand, T extends DssActorPro
             DssBehaviorCreator<C, T> creator,
             T property,
             String name) {
-        return spawn(parent, Objects.requireNonNull(creator).create(Objects.requireNonNull(property)), name);
+        return spawn(
+                parent,
+                Objects
+                        .requireNonNull(creator, MSG_BEHAVIOR_CREATOR_NULL)
+                        .create(Objects.requireNonNull(property, MSG_PROPERTY_NULL)),
+                name);
     }
 
     public static <C extends DssCommand, P extends DssCommand> ActorRef<C> spawn(
@@ -30,7 +41,7 @@ public static <C extends DssCommand, P extends DssCommand> ActorRef<C> spawn(
             Behavior<C> behavior,
             String name) {
         return Objects
-                .requireNonNull(Objects.requireNonNull(parent).getContext())
-                .spawn(Objects.requireNonNull(behavior), name);
+                .requireNonNull(Objects.requireNonNull(parent, MSG_ACTOR_NULL).getContext(), MSG_ACTOR_CONTEXT_NULL)
+                .spawn(Objects.requireNonNull(behavior, MSG_BEHAVIOR_NULL), name);
     }
 }
diff --git a/dss-core/src/test/java/io/github/ztkmkoo/dss/core/actor/DssMasterActorTest.java b/dss-core/src/test/java/io/github/ztkmkoo/dss/core/actor/DssMasterActorTest.java
index bbf8cd5d..da40c962 100644
--- a/dss-core/src/test/java/io/github/ztkmkoo/dss/core/actor/DssMasterActorTest.java
+++ b/dss-core/src/test/java/io/github/ztkmkoo/dss/core/actor/DssMasterActorTest.java
@@ -3,21 +3,23 @@
 import akka.actor.testkit.typed.javadsl.TestProbe;
 import akka.actor.typed.ActorRef;
 import akka.actor.typed.Behavior;
+import akka.actor.typed.javadsl.AbstractBehavior;
 import akka.actor.typed.javadsl.ActorContext;
 import akka.actor.typed.javadsl.Behaviors;
 import akka.actor.typed.javadsl.Receive;
 import io.github.ztkmkoo.dss.core.actor.enumeration.DssMasterActorStatus;
-import io.github.ztkmkoo.dss.core.actor.property.DssMasterActorProperty;
-import io.github.ztkmkoo.dss.core.message.DssCommand;
-import io.github.ztkmkoo.dss.core.message.DssMasterCommand;
-import io.github.ztkmkoo.dss.core.message.DssNetworkCommand;
-import io.github.ztkmkoo.dss.core.message.DssResolverCommand;
+import io.github.ztkmkoo.dss.core.actor.property.*;
+import io.github.ztkmkoo.dss.core.message.*;
+import io.github.ztkmkoo.dss.core.service.DssServiceGenerator;
 import lombok.Builder;
 import lombok.Getter;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 
 import java.time.Duration;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -53,23 +55,13 @@ private static  <T extends DssCommand, R extends T> R getProbeResponse(TestProbe
     }
 
     @Test
-    void spawnResolverActor() {
+    void initializeMasterActor() {
         final ActorRef<DssMasterCommand> masterActor = newMasterActorRef();
         final TestProbe<DssMasterCommand> probe = testKit.createTestProbe();
-        masterActor.tell(ResolverActorRefRequest.builder().sender(probe.getRef()).build());
+        masterActor.tell(new InitializeRequest(probe.getRef()));
 
-        final ResolverActorRefResponse response = getProbeResponse(probe, ResolverActorRefResponse.class);
-        assertNotNull(response.getActorRef());
-    }
-
-    @Test
-    void spawnNetworkActor() {
-        final ActorRef<DssMasterCommand> masterActor = newMasterActorRef();
-        final TestProbe<DssMasterCommand> probe = testKit.createTestProbe();
-        masterActor.tell(NetworkActorRefRequest.builder().sender(probe.getRef()).build());
-
-        final NetworkActorRefResponse response = getProbeResponse(probe, NetworkActorRefResponse.class);
-        assertNotNull(response.getActorRef());
+        final InitializeResponse response = getProbeResponse(probe, InitializeResponse.class);
+        assertNotNull(response);
     }
 
     @Test
@@ -107,21 +99,13 @@ private TestMasterActor(ActorContext<DssMasterCommand> context) {
 
         @Override
         public Receive<DssMasterCommand> createReceive() {
-            return newReceiveBuilder()
-                    .onMessage(ResolverActorRefRequest.class, msg -> {
-                        getLog().info("Receive: {}", msg);
-                        final ActorRef<DssResolverCommand> resolver = spawnResolverActor(this);
-                        msg.getSender().tell(ResolverActorRefResponse.builder().actorRef(resolver).build());
-                        return Behaviors.same();
-                    })
-                    .onMessage(NetworkActorRefRequest.class, msg -> {
-                        getLog().info("Receive: {}", msg);
-                        final ActorRef<DssNetworkCommand> network = spawnNetworkActor(this);
-                        msg.getSender().tell(NetworkActorRefResponse.builder().actorRef(network).build());
-                        return Behaviors.same();
+            return masterReceiveBuilder(this)
+                    .onMessage(InitializeRequest.class, msg -> {
+                        initializeMasterActor(this);
+                        Objects.requireNonNull(msg.getSender());
+                        msg.getSender().tell(new InitializeResponse());
+                        return this;
                     })
-                    .onMessage(DssMasterCommand.StatusRequest.class, this::handlingStatusRequest)
-                    .onMessage(DssMasterCommand.StatusUpdate.class, this::handlingStatusUpdate)
                     .build();
         }
 
@@ -136,27 +120,38 @@ public ActorRef<DssResolverCommand> getResolverActor() {
         }
 
         @Override
-        public ActorRef<DssNetworkCommand> getNetworkActor() {
-            return null;
+        public void setResolverActor(ActorRef<DssResolverCommand> actorRef) {
+
         }
 
         @Override
-        public DssMasterActorProperty getProperty() {
+        public ActorRef<DssNetworkCommand> getNetworkActor() {
             return null;
         }
 
         @Override
-        public Behavior<DssResolverCommand> createResolverActorBehavior() {
-            return Behaviors
-                    .receive(DssResolverCommand.class)
-                    .build();
+        public void setNetworkActor(ActorRef<DssNetworkCommand> actorRef) {
+
         }
 
         @Override
-        public Behavior<DssNetworkCommand> createNetworkActorBehavior() {
-            return Behaviors
-                    .receive(DssNetworkCommand.class)
-                    .build();
+        public DssMasterActorProperty getDssMasterActorProperty() {
+            return new DssMasterActorProperty() {
+                @Override
+                public int getBossThreadCount() {
+                    return 0;
+                }
+
+                @Override
+                public int getWorkerThreadCount() {
+                    return 0;
+                }
+
+                @Override
+                public List<DssServiceGenerator> getServiceGeneratorList() {
+                    return null;
+                }
+            };
         }
 
         @Override
@@ -168,53 +163,111 @@ public DssMasterActorStatus getMasterActorStatus() {
         public void setMasterActorStatus(DssMasterActorStatus status) {
             this.status = status;
         }
-    }
 
-    private static class ResolverActorRefRequest implements DssMasterCommand{
-        private static final long serialVersionUID = -6715113886545519228L;
+        @Override
+        public DssBehaviorCreator<DssExceptionCommand, DssExceptionActorProperty> getExceptionBehaviorCreator() {
+            return property -> Behaviors.setup(TestActor::new);
+        }
 
-        @Getter
-        private final ActorRef<DssMasterCommand> sender;
+        @Override
+        public <M extends DssMasterActorProperty> DssExceptionActorProperty createDssExceptionActorProperty(M masterProperty) {
+            return new DssExceptionActorProperty() {};
+        }
+
+        @Override
+        public ActorRef<DssExceptionCommand> getExceptionActor() {
+            return null;
+        }
+
+        @Override
+        public void setExceptionActor(ActorRef<DssExceptionCommand> actorRef) {
+
+        }
+
+        @Override
+        public DssBehaviorCreator<DssNetworkCommand, DssNetworkActorProperty> getNetworkBehaviorCreator() {
+            return property -> Behaviors.setup(TestActor::new);
+        }
+
+        @Override
+        public <M extends DssMasterActorProperty> DssNetworkActorProperty createDssNetworkActorProperty(M masterProperty) {
+            return new DssNetworkActorProperty() {
+                @Override
+                public int getBossThreadCount() {
+                    return 1;
+                }
+
+                @Override
+                public int getWorkerThreadCount() {
+                    return 1;
+                }
+            };
+        }
+
+        @Override
+        public DssBehaviorCreator<DssResolverCommand, DssResolverActorProperty> getResolverBehaviorCreator() {
+            return property -> Behaviors.setup(TestActor::new);
+        }
+
+        @Override
+        public <M extends DssMasterActorProperty> DssResolverActorProperty createDssResolverActorProperty(M masterProperty) {
+            return new DssResolverActorProperty() {};
+        }
+
+        @Override
+        public DssBehaviorCreator<DssServiceCommand, DssServiceActorProperty> getServiceBehaviorCreator() {
+            return property -> Behaviors.setup(TestActor::new);
+        }
+
+        @Override
+        public <M extends DssMasterActorProperty> List<DssServiceActorProperty> createDssServiceActorPropertyList(M masterProperty) {
+            return new ArrayList<>();
+        }
+
+        @Override
+        public <P extends DssServiceActorProperty> DssServiceActorResolvable<String> createDssServiceActorResolvable(P property, ActorRef<DssServiceCommand> actor) {
+            return null;
+        }
+
+        @Override
+        public Map<String, DssServiceActorResolvable<String>> getServiceActorMap() {
+            return null;
+        }
+
+        @Override
+        public void putServiceActorResolvable(String key, DssServiceActorResolvable<String> value) {
 
-        @Builder
-        public ResolverActorRefRequest(ActorRef<DssMasterCommand> sender) {
-            this.sender = sender;
         }
     }
 
-    private static class ResolverActorRefResponse implements DssMasterCommand {
-        private static final long serialVersionUID = 6219916186960923214L;
+    private static class TestActor<T extends DssCommand> extends AbstractBehavior<T> {
 
-        @Getter
-        private final ActorRef<DssResolverCommand> actorRef;
+        public TestActor(ActorContext<T> context) {
+            super(context);
+        }
 
-        @Builder
-        public ResolverActorRefResponse(ActorRef<DssResolverCommand> actorRef) {
-            this.actorRef = actorRef;
+        @Override
+        public Receive<T> createReceive() {
+            return null;
         }
     }
 
-    private static class NetworkActorRefRequest implements DssMasterCommand {
-        private static final long serialVersionUID = 249969752402472135L;
+    private static class InitializeRequest implements DssMasterCommand {
+        private static final long serialVersionUID = -6715113886545519228L;
 
         @Getter
         private final ActorRef<DssMasterCommand> sender;
 
         @Builder
-        public NetworkActorRefRequest(ActorRef<DssMasterCommand> sender) {
+        public InitializeRequest(ActorRef<DssMasterCommand> sender) {
             this.sender = sender;
         }
     }
 
-    private static class NetworkActorRefResponse implements DssMasterCommand {
-        private static final long serialVersionUID = -7299143779560419564L;
-
-        @Getter
-        private final ActorRef<DssNetworkCommand> actorRef;
+    private static class InitializeResponse implements DssMasterCommand {
+        private static final long serialVersionUID = -4705847872255308681L;
 
         @Builder
-        public NetworkActorRefResponse(ActorRef<DssNetworkCommand> actorRef) {
-            this.actorRef = actorRef;
-        }
+        public InitializeResponse() { }
     }
 }
\ No newline at end of file