diff --git a/src/main/base/org/bdware/sc/conn/ServiceServer.java b/src/main/base/org/bdware/sc/conn/ServiceServer.java
index 5b22c0e..db83b34 100644
--- a/src/main/base/org/bdware/sc/conn/ServiceServer.java
+++ b/src/main/base/org/bdware/sc/conn/ServiceServer.java
@@ -66,6 +66,7 @@ public class ServiceServer extends Thread {
                         new ChannelInitializer<SocketChannel>() {
                             @Override
                             protected void initChannel(SocketChannel arg0) {
+                                LOGGER.info("Connected:" + arg0.remoteAddress() + " " + arg0.localAddress());
                                 arg0.pipeline()
                                         .addLast(new LengthFieldBasedFrameCodec())
                                         .addLast(new AsyncInboundHandler(ServiceServer.this));
diff --git a/src/main/entry/org/bdware/sc/bean/ContractExecType.java b/src/main/entry/org/bdware/sc/bean/ContractExecType.java
index 5d198cd..e357cea 100644
--- a/src/main/entry/org/bdware/sc/bean/ContractExecType.java
+++ b/src/main/entry/org/bdware/sc/bean/ContractExecType.java
@@ -11,7 +11,8 @@ public enum ContractExecType implements Serializable {
     RequestAllResponseAll,
     Sharding,//分片执行模式
     SelfAdaptiveSharding,// self-adaptive sharding
-    PBFT; //PBFT
+    PBFT, //PBFT
+    RAFT;
 
 
     public static ContractExecType getContractTypeByInt(int i) {