diff --git a/src/main/java/org/redkale/net/sncp/Sncp.java b/src/main/java/org/redkale/net/sncp/Sncp.java
index 2099cf8f0..028b627e3 100644
--- a/src/main/java/org/redkale/net/sncp/Sncp.java
+++ b/src/main/java/org/redkale/net/sncp/Sncp.java
@@ -61,7 +61,7 @@ public abstract class Sncp {
 
         boolean remote();
 
-        Class type();
+        Class type(); //resourceServiceType
 
         int index() default 0;  //排列顺序， 主要用于Method
     }
@@ -227,9 +227,14 @@ public abstract class Sncp {
         return type != null ? type.value() : service.getClass();
     }
 
-    public static Class getServiceType(Service service) {
-        return isSncpDyn(service) && service.getClass().getSimpleName().startsWith("_Dyn") ? service.getClass().getSuperclass() : service.getClass();
+    public static <T extends Service> Class getResourceType(Class<T> serviceImplClass) {
+        ResourceType type = serviceImplClass.getAnnotation(ResourceType.class);
+        return type != null ? type.value() : serviceImplClass;
     }
+//
+//    public static Class getServiceType(Service service) {
+//        return isSncpDyn(service) && service.getClass().getSimpleName().startsWith("_Dyn") ? service.getClass().getSuperclass() : service.getClass();
+//    }
 
     public static AnyValue getResourceConf(Service service) {
         if (service == null || !isSncpDyn(service)) {
@@ -473,7 +478,7 @@ public abstract class Sncp {
         {
             av0 = cw.visitAnnotation(sncpDynDesc, true);
             av0.visit("remote", Boolean.FALSE);
-            av0.visit("type", Type.getType(Type.getDescriptor(serviceImplClass)));
+            av0.visit("type", Type.getType(Type.getDescriptor(getResourceType(serviceImplClass))));
             av0.visitEnd();
         }
         { //给新类加上 原有的Annotation
diff --git a/src/main/java/org/redkale/net/sncp/SncpDynServlet.java b/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
index 6de06565c..9f77d066e 100644
--- a/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
+++ b/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
@@ -49,7 +49,7 @@ public final class SncpDynServlet extends SncpServlet {
         this.maxNameLength = maxNameLength;
         this.serviceid = Sncp.serviceid(serviceResourceName, serviceResourceType);
         RedkaleClassLoader.putReflectionPublicMethods(service.getClass().getName());
-        for (Map.Entry<Uint128, Method> en : Sncp.loadMethodActions(service.getClass()).entrySet()) {
+        for (Map.Entry<Uint128, Method> en : Sncp.loadMethodActions(serviceResourceType).entrySet()) {
             SncpServletAction action;
             try {
                 action = SncpServletAction.create(service, serviceid, en.getKey(), en.getValue());
diff --git a/src/main/java/org/redkale/net/sncp/SncpOldClient.java b/src/main/java/org/redkale/net/sncp/SncpOldClient.java
index 0ce942fcf..00d9f6dcd 100644
--- a/src/main/java/org/redkale/net/sncp/SncpOldClient.java
+++ b/src/main/java/org/redkale/net/sncp/SncpOldClient.java
@@ -85,7 +85,7 @@ public final class SncpOldClient {
         this.serviceid = Sncp.serviceid(serviceResourceName, serviceResourceType);
         final List<SncpServiceAction> methodens = new ArrayList<>();
         //------------------------------------------------------------------------------
-        for (Map.Entry<Uint128, Method> en : Sncp.loadMethodActions(serviceClass).entrySet()) {
+        for (Map.Entry<Uint128, Method> en : Sncp.loadMethodActions(serviceResourceType).entrySet()) {
             methodens.add(new SncpServiceAction(serviceClass, en.getValue(), serviceid, en.getKey()));
         }
         this.actions = methodens.toArray(new SncpServiceAction[methodens.size()]);
diff --git a/src/main/java/org/redkale/service/AbstractService.java b/src/main/java/org/redkale/service/AbstractService.java
index e055d95f6..55989a7b6 100644
--- a/src/main/java/org/redkale/service/AbstractService.java
+++ b/src/main/java/org/redkale/service/AbstractService.java
@@ -28,7 +28,7 @@ public abstract class AbstractService implements Service {
      * @return Class
      */
     protected Class serviceType() {
-        return Sncp.getServiceType(this);
+        return Sncp.isSncpDyn(this) && getClass().getSimpleName().startsWith("_Dyn") ? getClass().getSuperclass() : getClass();
     }
 
     /**