diff --git a/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/ServiceInstanceRegistry.java b/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/ServiceInstanceRegistry.java
index e2eef7084ac..d6b1d8736d3 100644
--- a/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/ServiceInstanceRegistry.java
+++ b/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/ServiceInstanceRegistry.java
@@ -20,7 +20,6 @@
 import com.alibaba.dubbo.common.URL;
 import com.alibaba.dubbo.common.logger.Logger;
 import com.alibaba.dubbo.common.logger.LoggerFactory;
-import com.alibaba.dubbo.common.utils.NetUtils;
 import com.alibaba.dubbo.common.utils.StringUtils;
 import com.alibaba.dubbo.common.utils.UrlUtils;
 import com.alibaba.dubbo.registry.NotifyListener;
@@ -349,8 +348,8 @@ protected Registration createRegistration(String serviceName, URL url) {
                 Constants.DEFAULT_CATEGORY);
         URL newURL = url.addParameter(Constants.CATEGORY_KEY, category);
         newURL = newURL.addParameter(Constants.PROTOCOL_KEY, url.getProtocol());
-        String ip = NetUtils.getLocalHost();
-        int port = newURL.getParameter(Constants.BIND_PORT_KEY, url.getPort());
+        String ip = url.getHost();
+        int port = url.getPort();
         DubboRegistration registration = new DubboRegistration();
         registration.setServiceName(serviceName);
         registration.setIp(ip);
diff --git a/dubbo-registry/dubbo-registry-nacos/pom.xml b/dubbo-registry/dubbo-registry-nacos/pom.xml
index d67333e8b5b..e93085cf8a9 100644
--- a/dubbo-registry/dubbo-registry-nacos/pom.xml
+++ b/dubbo-registry/dubbo-registry-nacos/pom.xml
@@ -70,7 +70,7 @@
 
         <dependency>
             <groupId>com.alibaba</groupId>
-            <artifactId>dubbo-remoting-netty</artifactId>
+            <artifactId>dubbo-remoting-netty4</artifactId>
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
diff --git a/dubbo-rpc/dubbo-rpc-rest/src/main/java/com/alibaba/dubbo/rpc/protocol/rest/RestProtocol.java b/dubbo-rpc/dubbo-rpc-rest/src/main/java/com/alibaba/dubbo/rpc/protocol/rest/RestProtocol.java
index 78b5debc960..be4225cdcfc 100644
--- a/dubbo-rpc/dubbo-rpc-rest/src/main/java/com/alibaba/dubbo/rpc/protocol/rest/RestProtocol.java
+++ b/dubbo-rpc/dubbo-rpc-rest/src/main/java/com/alibaba/dubbo/rpc/protocol/rest/RestProtocol.java
@@ -25,6 +25,7 @@
 import com.alibaba.dubbo.rpc.RpcException;
 import com.alibaba.dubbo.rpc.StaticContext;
 import com.alibaba.dubbo.rpc.protocol.AbstractProxyProtocol;
+
 import org.apache.http.HeaderElement;
 import org.apache.http.HeaderElementIterator;
 import org.apache.http.HttpResponse;
@@ -231,8 +232,13 @@ public void destroy() {
     }
 
     protected String getContextPath(URL url) {
-        int pos = url.getPath().lastIndexOf("/");
-        return pos > 0 ? url.getPath().substring(0, pos) : "";
+        String path = url.getPath();
+        if (path != null) {
+            int pos = url.getPath().lastIndexOf("/");
+            return pos > 0 ? url.getPath().substring(0, pos) : "";
+        } else {
+            return "";
+        }
     }
 
     protected class ConnectionMonitor extends Thread {