diff --git a/README.md b/README.md
index 67a0e8b5..cacc1ec6 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,9 @@ kubectl apply -f config/crds/bases/multicluster.x-k8s.io_serviceimports.yaml
 
 # Run the controller against the Kubernetes cluster pointed to by `kubectl config current-context`
 make run
+
+# or run it in debug mode
+GATEWAY_API_CONTROLLER_LOGLEVEL=debug make run
 ```
 
 ## End-to-End Testing
diff --git a/pkg/gateway/model_build_listener.go b/pkg/gateway/model_build_listener.go
index ac08d3a5..53750e5f 100644
--- a/pkg/gateway/model_build_listener.go
+++ b/pkg/gateway/model_build_listener.go
@@ -111,6 +111,9 @@ func (t *latticeServiceModelBuildTask) buildListener(ctx context.Context) error
 		if string(*httpBackendRef.Kind) == "ServiceImport" {
 			is_import = true
 			targetgroupNamespace = "default"
+			if httpBackendRef.BackendObjectReference.Namespace != nil {
+				targetgroupNamespace = string(*httpBackendRef.BackendObjectReference.Namespace)
+			}
 			targetgroupName = string(httpBackendRef.BackendObjectReference.Name)
 
 		}
diff --git a/pkg/gateway/model_build_rule.go b/pkg/gateway/model_build_rule.go
index ee761d6f..93b7743b 100644
--- a/pkg/gateway/model_build_rule.go
+++ b/pkg/gateway/model_build_rule.go
@@ -70,6 +70,9 @@ func (t *latticeServiceModelBuildTask) buildRules(ctx context.Context) error {
 					*/
 					ruleTG.Name = string(httpBackendRef.BackendObjectReference.Name)
 					ruleTG.Namespace = "default"
+					if httpBackendRef.BackendObjectReference.Namespace != nil {
+						ruleTG.Namespace = string(*httpBackendRef.BackendObjectReference.Namespace)
+					}
 					ruleTG.IsServiceImport = true
 
 					if httpBackendRef.Weight != nil {