diff --git a/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/integration/RegistryDirectory.java b/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/integration/RegistryDirectory.java
index dc98dcf13db02a9fb16647dfb5d800017fb5e5ea..ba068f1b7646cb18bb3331e386ca416c05e8f891 100644
--- a/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/integration/RegistryDirectory.java
+++ b/dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/integration/RegistryDirectory.java
@@ -615,7 +615,9 @@ public class RegistryDirectory<T> extends AbstractDirectory<T> implements Notify
     }
 
     public URL getUrl() {
-        overrideDirectoryUrl = overrideDirectoryUrl.addParameter(Constants.INVOKER_CONNECTED_KEY, registry.isAvailable());
+        if(registry != null) {
+            overrideDirectoryUrl = overrideDirectoryUrl.addParameter(Constants.INVOKER_CONNECTED_KEY, registry.isAvailable());
+        }
     	return overrideDirectoryUrl;
     }