diff --git a/operator/config/samples/karmada.yaml b/operator/config/samples/karmada.yaml
index 17ae6ac45..cf2452e46 100644
--- a/operator/config/samples/karmada.yaml
+++ b/operator/config/samples/karmada.yaml
@@ -31,19 +31,19 @@ spec:
       serviceSubnet: 10.96.0.0/12
     karmadaAggregatedAPIServer:
       imageRepository: docker.io/karmada/karmada-aggregated-apiserver
-      imageTag: v1.6.0
+      imageTag: v1.7.0
       replicas: 1
     karmadaControllerManager:
       imageRepository: docker.io/karmada/karmada-controller-manager
-      imageTag: v1.6.0
+      imageTag: v1.7.0
       replicas: 1
     karmadaScheduler:
       imageRepository: docker.io/karmada/karmada-scheduler
-      imageTag: v1.6.0
+      imageTag: v1.7.0
       replicas: 1
     karmadaWebhook:
       imageRepository: docker.io/karmada/karmada-webhook
-      imageTag: v1.6.0
+      imageTag: v1.7.0
       replicas: 1
     kubeControllerManager:
       imageRepository: registry.k8s.io/kube-controller-manager
diff --git a/operator/pkg/constants/constants.go b/operator/pkg/constants/constants.go
index 3bbd5c406..d31d9b31e 100644
--- a/operator/pkg/constants/constants.go
+++ b/operator/pkg/constants/constants.go
@@ -15,7 +15,7 @@ const (
 	// EtcdDefaultVersion defines the default of the karmada etcd image tag
 	EtcdDefaultVersion = "3.5.9-0"
 	// KarmadaDefaultVersion defines the default of the karmada components image tag
-	KarmadaDefaultVersion = "v1.6.0"
+	KarmadaDefaultVersion = "v1.7.0"
 	// KubeDefaultVersion defines the default of the karmada apiserver and kubeControllerManager image tag
 	KubeDefaultVersion = "v1.25.4"
 	// KarmadaDefaultServiceSubnet defines the default of the subnet used by k8s services.
diff --git a/operator/pkg/tasks/init/karmadaresource.go b/operator/pkg/tasks/init/karmadaresource.go
index 33047f15b..1d1f9ef3c 100644
--- a/operator/pkg/tasks/init/karmadaresource.go
+++ b/operator/pkg/tasks/init/karmadaresource.go
@@ -115,12 +115,8 @@ func runCrds(r workflow.RunData) error {
 }
 
 func createCrds(crdsClient *crdsclient.Clientset, crdsPath string) error {
-	for _, file := range util.ListFiles(crdsPath) {
-		if file.IsDir() || path.Ext(file.Name()) != ".yaml" {
-			continue
-		}
-
-		crdBytes, err := util.ReadYamlFile(path.Join(crdsPath, file.Name()))
+	for _, file := range util.ListFileWithSuffix(crdsPath, ".yaml") {
+		crdBytes, err := util.ReadYamlFile(file.AbsPath)
 		if err != nil {
 			return err
 		}
@@ -138,18 +134,13 @@ func createCrds(crdsClient *crdsclient.Clientset, crdsPath string) error {
 }
 
 func patchCrds(crdsClient *crdsclient.Clientset, patchPath string, caBundle string) error {
-	for _, file := range util.ListFiles(patchPath) {
-		if file.IsDir() || path.Ext(file.Name()) != ".yaml" {
-			continue
-		}
-
+	for _, file := range util.ListFileWithSuffix(patchPath, ".yaml") {
 		reg, err := regexp.Compile("{{caBundle}}")
 		if err != nil {
 			return err
 		}
 
-		crdPath := path.Join(patchPath, file.Name())
-		crdBytes, err := util.ReplaceYamlForReg(crdPath, caBundle, reg)
+		crdBytes, err := util.ReplaceYamlForReg(file.AbsPath, caBundle, reg)
 		if err != nil {
 			return err
 		}
diff --git a/operator/pkg/util/testdata/testa.yaml b/operator/pkg/util/testdata/testa.yaml
new file mode 100644
index 000000000..e69de29bb
diff --git a/operator/pkg/util/testdata/testb.yaml b/operator/pkg/util/testdata/testb.yaml
new file mode 100644
index 000000000..e69de29bb
diff --git a/operator/pkg/util/util.go b/operator/pkg/util/util.go
index b7ec11c17..2c3bae045 100644
--- a/operator/pkg/util/util.go
+++ b/operator/pkg/util/util.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"strings"
 	"time"
 
 	"k8s.io/klog/v2"
@@ -145,6 +146,28 @@ func ListFiles(path string) []os.FileInfo {
 	return files
 }
 
+type FileExtInfo struct {
+	os.FileInfo
+	AbsPath string
+}
+
+func ListFileWithSuffix(path, suffix string) []FileExtInfo {
+	files := []FileExtInfo{}
+	if err := filepath.Walk(path, func(path string, info os.FileInfo, err error) error {
+		if !info.IsDir() && strings.HasSuffix(path, suffix) {
+			files = append(files, FileExtInfo{
+				AbsPath:  path,
+				FileInfo: info,
+			})
+		}
+		return nil
+	}); err != nil {
+		fmt.Println(err)
+	}
+
+	return files
+}
+
 // PathExists check whether the path is exist
 func PathExists(path string) (bool, error) {
 	_, err := os.Stat(path)
diff --git a/operator/pkg/util/util_test.go b/operator/pkg/util/util_test.go
new file mode 100644
index 000000000..2a68aa702
--- /dev/null
+++ b/operator/pkg/util/util_test.go
@@ -0,0 +1,21 @@
+package util
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestListFileWithSuffix(t *testing.T) {
+	suffix := ".yaml"
+	files := ListFileWithSuffix(".", suffix)
+	want := 2
+	got := len(files)
+	if want != got {
+		t.Errorf("Expected %d ,but got :%d", want, got)
+	}
+	for _, f := range files {
+		if !strings.HasSuffix(f.AbsPath, suffix) {
+			t.Errorf("Want suffix with %s , but not exist, path is:%s", suffix, f.AbsPath)
+		}
+	}
+}