diff --git a/engine/pkg/externalresource/broker/storage_handle_test.go b/engine/pkg/externalresource/broker/storage_handle_test.go
index 6053d895bca..14eed1e9c7f 100644
--- a/engine/pkg/externalresource/broker/storage_handle_test.go
+++ b/engine/pkg/externalresource/broker/storage_handle_test.go
@@ -22,7 +22,6 @@ import (
 	"github.com/pingcap/tiflow/engine/pkg/externalresource/internal/local"
 	"github.com/pingcap/tiflow/engine/pkg/externalresource/manager"
 	resModel "github.com/pingcap/tiflow/engine/pkg/externalresource/model"
-	"github.com/pingcap/tiflow/engine/pkg/externalresource/model"
 	"github.com/pingcap/tiflow/engine/pkg/tenant"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
@@ -33,7 +32,7 @@ func newResourceIdentForTesting(executor, workerID, resourceName string) interna
 		Name: resModel.EncodeResourceName(resourceName),
 		ResourceScope: internal.ResourceScope{
 			ProjectInfo: tenant.NewProjectInfo("fakeTenant", "fakeProject"),
-			Executor:    model.ExecutorID(executor),
+			Executor:    resModel.ExecutorID(executor),
 			WorkerID:    workerID,
 		},
 	}
@@ -43,9 +42,9 @@ func TestStorageHandlePersistAndDiscard(t *testing.T) {
 	t.Parallel()
 	dir := t.TempDir()
 
-	executor := model.ExecutorID("executor-1")
+	executor := resModel.ExecutorID("executor-1")
 	ident := newResourceIdentForTesting(string(executor), "worker-1", "test-resource")
-	fm := local.NewLocalFileManager(executor, model.LocalFileConfig{BaseDir: dir})
+	fm := local.NewLocalFileManager(executor, resModel.LocalFileConfig{BaseDir: dir})
 	cli := manager.NewMockClient()
 
 	ctx := context.Background()
@@ -109,7 +108,7 @@ func TestStorageHandlePersistAndDiscard(t *testing.T) {
 func TestStorageHandleDiscardTemporaryResource(t *testing.T) {
 	t.Parallel()
 	dir := t.TempDir()
-	fm := local.NewLocalFileManager("", model.LocalFileConfig{BaseDir: dir})
+	fm := local.NewLocalFileManager("", resModel.LocalFileConfig{BaseDir: dir})
 	cli := manager.NewMockClient()
 
 	ctx := context.Background()
diff --git a/engine/pkg/externalresource/internal/s3/s3_dummy_resouce.go b/engine/pkg/externalresource/internal/s3/s3_dummy_resouce.go
index 0591667b7fb..14809174aa4 100644
--- a/engine/pkg/externalresource/internal/s3/s3_dummy_resouce.go
+++ b/engine/pkg/externalresource/internal/s3/s3_dummy_resouce.go
@@ -63,6 +63,7 @@ func GetDummyJobID(executorID model.ExecutorID) model.JobID {
 	return fmt.Sprintf(dummyJobID, executorID)
 }
 
+// GetDummyResPath returns a file path located in dummy resource for s3 storage.
 func GetDummyResPath(filename string) string {
 	return path.Join(DummyWorkerID, dummyResourceName, filename)
 }
diff --git a/engine/pkg/externalresource/model/model.go b/engine/pkg/externalresource/model/model.go
index 84d79c83288..1148b04288c 100644
--- a/engine/pkg/externalresource/model/model.go
+++ b/engine/pkg/externalresource/model/model.go
@@ -16,10 +16,10 @@ package model
 import (
 	"encoding/hex"
 	"fmt"
-	"log"
 	"path"
 	"strings"
 
+	"github.com/pingcap/log"
 	pb "github.com/pingcap/tiflow/engine/enginepb"
 	"github.com/pingcap/tiflow/engine/model"
 	ormModel "github.com/pingcap/tiflow/engine/pkg/orm/model"
@@ -183,7 +183,7 @@ func BuildResourceID(rtype ResourceType, resName ResourceName) ResourceID {
 // EncodeResourceName encodes raw resource name to a valid resource name.
 func EncodeResourceName(rawResName string) ResourceName {
 	resName := hex.EncodeToString([]byte(rawResName))
-	return ResourceName(resName)
+	return resName
 }
 
 // DecodeResourceName decodes resource name to raw resource name.
diff --git a/engine/pkg/externalresource/model/model_test.go b/engine/pkg/externalresource/model/model_test.go
index f4e8ac0f9b7..a844ddd6180 100644
--- a/engine/pkg/externalresource/model/model_test.go
+++ b/engine/pkg/externalresource/model/model_test.go
@@ -26,7 +26,6 @@ func TestParseResource(t *testing.T) {
 	rawResName, err := DecodeResourceName(suffix)
 	require.NoError(t, err)
 	require.Equal(t, "my-local-resource/a/b/c", rawResName)
-
 	require.Equal(t, "/local/my-local-resource/a/b/c", BuildResourceID(tp, suffix))
 
 	tp, suffix, err = ParseResourceID("/s3/my-local-resource/a/b/c")
@@ -35,18 +34,9 @@ func TestParseResource(t *testing.T) {
 	rawResName, err = DecodeResourceName(suffix)
 	require.NoError(t, err)
 	require.Equal(t, "my-local-resource/a/b/c", rawResName)
-
 	require.Equal(t, "/s3/my-local-resource/a/b/c", BuildResourceID(tp, suffix))
 }
 
-func TestResourceName(t *testing.T) {
-	name := "resource-1"
-	resName := EncodeResourceName(name)
-	parsedName, err := DecodeResourceName(resName)
-	require.NoError(t, err)
-	require.Equal(t, name, parsedName)
-}
-
 func FuzzEncodeResourceName(f *testing.F) {
 	testcases := []string{"resource-1", "resource-1/inner", "!resource-1+-%/*inner"}
 	for _, tc := range testcases {