diff --git a/pkg/controller/sls/index_controller.go b/pkg/controller/sls/index_controller.go
index ec1fa4d..54bdd84 100644
--- a/pkg/controller/sls/index_controller.go
+++ b/pkg/controller/sls/index_controller.go
@@ -28,13 +28,11 @@ import (
 	"github.com/crossplane/crossplane-runtime/pkg/reconciler/managed"
 	"github.com/crossplane/crossplane-runtime/pkg/resource"
 	"github.com/pkg/errors"
-	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/types"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	aliv1alpha1 "github.com/crossplane/provider-alibaba/apis/sls/v1alpha1"
-	"github.com/crossplane/provider-alibaba/apis/v1alpha1"
+	"github.com/crossplane/provider-alibaba/apis/v1beta1"
 	slsclient "github.com/crossplane/provider-alibaba/pkg/clients/sls"
 	"github.com/crossplane/provider-alibaba/pkg/util"
 )
@@ -58,7 +56,7 @@ func SetupIndex(mgr ctrl.Manager, l logging.Logger) error {
 			managed.WithRecorder(event.NewAPIRecorder(mgr.GetEventRecorderFor(name))),
 			managed.WithExternalConnecter(&indexConnector{
 				client:      mgr.GetClient(),
-				usage:       resource.NewProviderConfigUsageTracker(mgr.GetClient(), &v1alpha1.ProviderConfigUsage{}),
+				usage:       resource.NewProviderConfigUsageTracker(mgr.GetClient(), &v1beta1.ProviderConfigUsage{}),
 				NewClientFn: slsclient.NewClient,
 			})))
 }
@@ -74,45 +72,17 @@ type indexConnector struct {
 func (c *indexConnector) Connect(ctx context.Context, mg resource.Managed) (managed.ExternalClient, error) {
 	cr, ok := mg.(*aliv1alpha1.LogstoreIndex)
 	if !ok {
-		return nil, errors.New(errNotIndex)
+		return nil, errors.New(errNotLogtail)
 	}
 
-	var (
-		sel    *xpv1.SecretKeySelector
-		region string
-	)
-
-	switch {
-	case cr.GetProviderConfigReference() != nil:
-		if err := c.usage.Track(ctx, mg); err != nil {
-			return nil, errors.Wrap(err, errTrackUsage)
-		}
-
-		pc := &v1alpha1.ProviderConfig{}
-		if err := c.client.Get(ctx, types.NamespacedName{Name: cr.Spec.ProviderConfigReference.Name}, pc); err != nil {
-			return nil, errors.Wrap(err, errGetProviderConfig)
-		}
-		if s := pc.Spec.Credentials.Source; s != xpv1.CredentialsSourceSecret {
-			return nil, errors.Errorf(errFmtUnsupportedCredSource, s)
-		}
-		sel = pc.Spec.Credentials.SecretRef
-		region = pc.Spec.Region
-	default:
-		return nil, errors.New(errNoProvider)
-	}
-
-	if sel == nil {
-		return nil, errors.New(errNoConnectionSecret)
-	}
-
-	s := &corev1.Secret{}
-	nn := types.NamespacedName{Namespace: sel.Namespace, Name: sel.Name}
-	if err := c.client.Get(ctx, nn, s); err != nil {
-		return nil, errors.Wrap(err, errGetConnectionSecret)
+	info, err := util.PrepareClient(ctx, mg, cr, c.client, c.usage, cr.Spec.ProviderConfigReference.Name)
+	if err != nil {
+		return nil, err
 	}
 
-	slsClient := c.NewClientFn(string(s.Data[util.AccessKeyID]), string(s.Data[util.AccessKeySecret]), string(s.Data[util.SecurityToken]), region)
-	return &indexExternal{client: slsClient}, nil
+	slsClient := c.NewClientFn(info.AccessKeyID, info.AccessKeySecret,
+		info.SecurityToken, info.Region)
+	return &external{client: slsClient}, nil
 }
 
 // indexExternal includes external SLS client