diff --git a/src/org/redkale/boot/NodeServer.java b/src/org/redkale/boot/NodeServer.java
index 1b401746a..0dfeceacf 100644
--- a/src/org/redkale/boot/NodeServer.java
+++ b/src/org/redkale/boot/NodeServer.java
@@ -353,7 +353,7 @@ public abstract class NodeServer {
                     final Class sourceType = sourceType0;
                     Object source = null;
                     if (CacheSource.class.isAssignableFrom(sourceType)) { // CacheSource
-                        source = (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, client == null ? null : client.getMessageAgent(), appResFactory, appSncpTranFactory, sncpAddr, null, Sncp.getConf(srcService));
+                        source = Modifier.isFinal(sourceType.getModifiers()) ? sourceType.getConstructor().newInstance() : (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, client == null ? null : client.getMessageAgent(), appResFactory, appSncpTranFactory, sncpAddr, null, Sncp.getConf(srcService));
                         Type genericType = field.getGenericType();
                         ParameterizedType pt = (genericType instanceof ParameterizedType) ? (ParameterizedType) genericType : null;
                         Type valType = pt == null ? null : pt.getActualTypeArguments()[0];
diff --git a/src/org/redkale/net/sncp/SncpServer.java b/src/org/redkale/net/sncp/SncpServer.java
index 547a1b5ae..4afe29e25 100644
--- a/src/org/redkale/net/sncp/SncpServer.java
+++ b/src/org/redkale/net/sncp/SncpServer.java
@@ -98,6 +98,7 @@ public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResp
     }
 
     public SncpDynServlet addSncpServlet(Service sncpService) {
+        if (!Sncp.isSncpDyn(sncpService)) return null;
         SncpDynServlet sds = new SncpDynServlet(BsonFactory.root().getConvert(), Sncp.getResourceName(sncpService),
             Sncp.getResourceType(sncpService), sncpService, maxClassNameLength, maxNameLength);
         this.prepare.addServlet(sds, null, Sncp.getConf(sncpService));