diff --git a/foundations/foundation-registry/src/main/java/org/apache/servicecomb/registry/swagger/SwaggerLoader.java b/foundations/foundation-registry/src/main/java/org/apache/servicecomb/registry/swagger/SwaggerLoader.java
index 6c49ae44208..e43d875cfd3 100644
--- a/foundations/foundation-registry/src/main/java/org/apache/servicecomb/registry/swagger/SwaggerLoader.java
+++ b/foundations/foundation-registry/src/main/java/org/apache/servicecomb/registry/swagger/SwaggerLoader.java
@@ -181,7 +181,7 @@ private Swagger loadFromResource(String path) {
 
   private Swagger loadFromRemote(Microservice microservice, Collection<MicroserviceInstance> instances,
       String schemaId) {
-    String key = microservice.getServiceId() + "." + schemaId;
+    String key = microservice.getServiceName() + "." + schemaId;
     Swagger result = remoteSwagger.computeIfAbsent(key, k -> {
       String schemaContent = DiscoveryManager.INSTANCE.getSchema(microservice.getServiceId(), instances, schemaId);
       if (schemaContent != null) {