diff --git a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/ServiceDiscoveryRegistryDirectory.java b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/ServiceDiscoveryRegistryDirectory.java
index 5dbfac3ce8..456b581fde 100644
--- a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/ServiceDiscoveryRegistryDirectory.java
+++ b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/ServiceDiscoveryRegistryDirectory.java
@@ -289,7 +289,7 @@ public class ServiceDiscoveryRegistryDirectory<T> extends DynamicDirectory<T> {
         this.originalUrls = invokerUrls;
 
         if (invokerUrls.size() == 1 && EMPTY_PROTOCOL.equals(invokerUrls.get(0).getProtocol())) {
-            logger.warn(PROTOCOL_UNSUPPORTED, "", "", "Received url with EMPTY protocol, will clear all available addresses.");
+            logger.warn(PROTOCOL_UNSUPPORTED, "", "", String.format("Received url with EMPTY protocol from registry %s, will clear all available addresses.", this));
             refreshRouter(BitList.emptyList(), () ->
                 this.forbidden = true // Forbid to access
             );
@@ -297,7 +297,7 @@ public class ServiceDiscoveryRegistryDirectory<T> extends DynamicDirectory<T> {
         } else {
             this.forbidden = false; // Allow accessing
             if (CollectionUtils.isEmpty(invokerUrls)) {
-                logger.warn(PROTOCOL_UNSUPPORTED, "", "", "Received empty url list, will ignore for protection purpose.");
+                logger.warn(PROTOCOL_UNSUPPORTED, "", "", String.format("Received empty url list from registry %s, will ignore for protection purpose.", this));
                 return;
             }
 
@@ -311,10 +311,10 @@ public class ServiceDiscoveryRegistryDirectory<T> extends DynamicDirectory<T> {
                 localUrlInvokerMap.forEach(oldUrlInvokerMap::put);
             }
             Map<ProtocolServiceKeyWithAddress, Invoker<T>> newUrlInvokerMap = toInvokers(oldUrlInvokerMap, invokerUrls);// Translate url list to Invoker map
-            logger.info("Refreshed invoker size " + newUrlInvokerMap.size());
+            logger.info(String.format("Refreshed invoker size %s from registry %s", newUrlInvokerMap.size(), this));
 
             if (CollectionUtils.isEmptyMap(newUrlInvokerMap)) {
-                logger.error(PROTOCOL_UNSUPPORTED, "", "", "Unsupported protocol.", new IllegalStateException("Cannot create invokers from url address list (total " + invokerUrls.size() + ")"));
+                logger.error(PROTOCOL_UNSUPPORTED, "", "", "Unsupported protocol.", new IllegalStateException(String.format("Cannot create invokers from url address list (total %s)", invokerUrls.size())));
                 return;
             }
             List<Invoker<T>> newInvokers = Collections.unmodifiableList(new ArrayList<>(newUrlInvokerMap.values()));