diff --git a/did-server/src/main/java/cn/ceres/did/server/BaseServer.java b/did-server/src/main/java/cn/ceres/did/server/BaseServer.java
index 7a2945c..847c6a0 100644
--- a/did-server/src/main/java/cn/ceres/did/server/BaseServer.java
+++ b/did-server/src/main/java/cn/ceres/did/server/BaseServer.java
@@ -14,7 +14,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  * @author ehlxr
  */
 public abstract class BaseServer implements Server {
-    protected Logger logger = LoggerFactory.getLogger(getClass());
+    protected Logger logger = LoggerFactory.getLogger(BaseServer.class);
 
     protected DefaultEventLoopGroup defLoopGroup;
     protected NioEventLoopGroup bossGroup;
@@ -59,6 +59,7 @@ public abstract class BaseServer implements Server {
         }
         bossGroup.shutdownGracefully();
         workGroup.shutdownGracefully();
+
         logger.info("Server EventLoopGroup shutdown finish");
     }
 }
diff --git a/did-server/src/main/java/cn/ceres/did/server/http/HttpServer.java b/did-server/src/main/java/cn/ceres/did/server/http/HttpServer.java
index c5a7df2..2ca1c18 100644
--- a/did-server/src/main/java/cn/ceres/did/server/http/HttpServer.java
+++ b/did-server/src/main/java/cn/ceres/did/server/http/HttpServer.java
@@ -10,6 +10,8 @@ import io.netty.channel.socket.nio.NioServerSocketChannel;
 import io.netty.handler.codec.http.HttpObjectAggregator;
 import io.netty.handler.codec.http.HttpRequestDecoder;
 import io.netty.handler.codec.http.HttpResponseEncoder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Http服务器，使用Netty中的Http协议栈，
@@ -19,6 +21,8 @@ import io.netty.handler.codec.http.HttpResponseEncoder;
  * @author ehlxr
  */
 public class HttpServer extends BaseServer {
+    protected Logger logger = LoggerFactory.getLogger(HttpServer.class);
+
     private final SnowFlake snowFlake;
 
     public HttpServer(SnowFlake snowFlake) {
@@ -62,13 +66,4 @@ public class HttpServer extends BaseServer {
         }
     }
 
-    @Override
-    public void shutdown() {
-        if (defLoopGroup != null) {
-            defLoopGroup.shutdownGracefully();
-        }
-        bossGroup.shutdownGracefully();
-        workGroup.shutdownGracefully();
-    }
-
 }
diff --git a/did-server/src/main/java/cn/ceres/did/server/sdk/SdkServer.java b/did-server/src/main/java/cn/ceres/did/server/sdk/SdkServer.java
index f0170b7..fa57f73 100644
--- a/did-server/src/main/java/cn/ceres/did/server/sdk/SdkServer.java
+++ b/did-server/src/main/java/cn/ceres/did/server/sdk/SdkServer.java
@@ -7,11 +7,14 @@ import io.netty.channel.ChannelInitializer;
 import io.netty.channel.ChannelOption;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.channel.socket.nio.NioServerSocketChannel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * @author ehlxr
  */
 public class SdkServer extends BaseServer {
+    protected Logger logger = LoggerFactory.getLogger(SdkServer.class);
     private final SnowFlake snowFlake;
 
     public SdkServer(SnowFlake snowFlake) {