diff --git a/pkg/restore/backoff_test.go b/pkg/restore/backoff_test.go
index ff3d42715..6635749cd 100644
--- a/pkg/restore/backoff_test.go
+++ b/pkg/restore/backoff_test.go
@@ -32,7 +32,7 @@ func (s *testBackofferSuite) TearDownSuite(c *C) {
 
 func (s *testBackofferSuite) TestBackoffWithSuccess(c *C) {
 	var counter int
-	backoffer := &newImportSSTBackoffer{attemp: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
+	backoffer := &importerBackoffer{attempt: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
 	err := utils.WithRetry(context.Background(), func() error {
 		defer func() { counter++ }()
 		switch counter {
@@ -51,7 +51,7 @@ func (s *testBackofferSuite) TestBackoffWithSuccess(c *C) {
 
 func (s *testBackofferSuite) TestBackoffWithFatalError(c *C) {
 	var counter int
-	backoffer := &newImportSSTBackoffer{attemp: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
+	backoffer := &importerBackoffer{attempt: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
 	err := utils.WithRetry(context.Background(), func() error {
 		defer func() { counter++ }()
 		switch counter {
@@ -77,7 +77,7 @@ func (s *testBackofferSuite) TestBackoffWithFatalError(c *C) {
 
 func (s *testBackofferSuite) TestBackoffWithRetryableError(c *C) {
 	var counter int
-	backoffer := &newImportSSTBackoffer{attemp: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
+	backoffer := &importerBackoffer{attempt: 10, delayTime: time.Nanosecond, maxDelayTime: time.Nanosecond}
 	err := utils.WithRetry(context.Background(), func() error {
 		defer func() { counter++ }()
 		return errEpochNotMatch