diff --git a/pkg/epub/epub.go b/pkg/epub/epub.go
index 4a03125..47ea477 100644
--- a/pkg/epub/epub.go
+++ b/pkg/epub/epub.go
@@ -18,10 +18,10 @@ import (
 	epubimage "github.com/celogeek/go-comic-converter/v2/pkg/epub/image"
 	epubimageprocessor "github.com/celogeek/go-comic-converter/v2/pkg/epub/imageprocessor"
 	epuboptions "github.com/celogeek/go-comic-converter/v2/pkg/epub/options"
-	epubprogress "github.com/celogeek/go-comic-converter/v2/pkg/epub/progress"
 	epubtemplates "github.com/celogeek/go-comic-converter/v2/pkg/epub/templates"
 	epubtree "github.com/celogeek/go-comic-converter/v2/pkg/epub/tree"
 	epubzip "github.com/celogeek/go-comic-converter/v2/pkg/epub/zip"
+	"github.com/celogeek/go-comic-converter/v2/pkg/epubprogress"
 	"github.com/gofrs/uuid"
 )
 
diff --git a/pkg/epub/image/epub_image.go b/pkg/epub/image/image.go
similarity index 100%
rename from pkg/epub/image/epub_image.go
rename to pkg/epub/image/image.go
diff --git a/pkg/epub/imagefilters/epub_image_filters_autocontrast.go b/pkg/epub/imagefilters/imagefilters_autocontrast.go
similarity index 100%
rename from pkg/epub/imagefilters/epub_image_filters_autocontrast.go
rename to pkg/epub/imagefilters/imagefilters_autocontrast.go
diff --git a/pkg/epub/imagefilters/epub_image_filters_autocrop.go b/pkg/epub/imagefilters/imagefilters_autocrop.go
similarity index 100%
rename from pkg/epub/imagefilters/epub_image_filters_autocrop.go
rename to pkg/epub/imagefilters/imagefilters_autocrop.go
diff --git a/pkg/epub/imagefilters/epub_image_filters_cover_title.go b/pkg/epub/imagefilters/imagefilters_cover_title.go
similarity index 100%
rename from pkg/epub/imagefilters/epub_image_filters_cover_title.go
rename to pkg/epub/imagefilters/imagefilters_cover_title.go
diff --git a/pkg/epub/imagefilters/epub_image_filters_crop_split_double_page.go b/pkg/epub/imagefilters/imagefilters_crop_split_double_page.go
similarity index 100%
rename from pkg/epub/imagefilters/epub_image_filters_crop_split_double_page.go
rename to pkg/epub/imagefilters/imagefilters_crop_split_double_page.go
diff --git a/pkg/epub/imagefilters/epub_image_filters_pixel.go b/pkg/epub/imagefilters/imagefilters_pixel.go
similarity index 100%
rename from pkg/epub/imagefilters/epub_image_filters_pixel.go
rename to pkg/epub/imagefilters/imagefilters_pixel.go
diff --git a/pkg/epub/imageprocessor/epub_image_processor.go b/pkg/epub/imageprocessor/imageprocessor.go
similarity index 99%
rename from pkg/epub/imageprocessor/epub_image_processor.go
rename to pkg/epub/imageprocessor/imageprocessor.go
index 4e18cd2..7160489 100644
--- a/pkg/epub/imageprocessor/epub_image_processor.go
+++ b/pkg/epub/imageprocessor/imageprocessor.go
@@ -14,8 +14,8 @@ import (
 	epubimage "github.com/celogeek/go-comic-converter/v2/pkg/epub/image"
 	epubimagefilters "github.com/celogeek/go-comic-converter/v2/pkg/epub/imagefilters"
 	epuboptions "github.com/celogeek/go-comic-converter/v2/pkg/epub/options"
-	epubprogress "github.com/celogeek/go-comic-converter/v2/pkg/epub/progress"
 	epubzip "github.com/celogeek/go-comic-converter/v2/pkg/epub/zip"
+	"github.com/celogeek/go-comic-converter/v2/pkg/epubprogress"
 	"github.com/disintegration/gift"
 )
 
diff --git a/pkg/epub/imageprocessor/epub_image_processor_loader.go b/pkg/epub/imageprocessor/imageprocessor_loader.go
similarity index 100%
rename from pkg/epub/imageprocessor/epub_image_processor_loader.go
rename to pkg/epub/imageprocessor/imageprocessor_loader.go
diff --git a/pkg/epub/options/epub_options.go b/pkg/epub/options/options.go
similarity index 100%
rename from pkg/epub/options/epub_options.go
rename to pkg/epub/options/options.go
diff --git a/pkg/epub/progress/epub_progress.go b/pkg/epubprogress/epubprogress.go
similarity index 94%
rename from pkg/epub/progress/epub_progress.go
rename to pkg/epubprogress/epubprogress.go
index f664f72..6170dd4 100644
--- a/pkg/epub/progress/epub_progress.go
+++ b/pkg/epubprogress/epubprogress.go
@@ -20,12 +20,12 @@ type Options struct {
 	TotalJob    int
 }
 
-type EpubProgress interface {
+type epubProgress interface {
 	Add(num int) error
 	Close() error
 }
 
-func New(o Options) EpubProgress {
+func New(o Options) epubProgress {
 	if o.Quiet {
 		return progressbar.DefaultSilent(int64(o.Max))
 	}
diff --git a/pkg/epub/progress/epub_progress_json.go b/pkg/epubprogress/epubprogress_json.go
similarity index 71%
rename from pkg/epub/progress/epub_progress_json.go
rename to pkg/epubprogress/epubprogress_json.go
index fc4a46c..3344958 100644
--- a/pkg/epub/progress/epub_progress_json.go
+++ b/pkg/epubprogress/epubprogress_json.go
@@ -5,20 +5,20 @@ import (
 	"os"
 )
 
-type EpubProgressJson struct {
+type epubProgressJson struct {
 	o       Options
 	e       *json.Encoder
 	current int
 }
 
-func newEpubProgressJson(o Options) EpubProgress {
-	return &EpubProgressJson{
+func newEpubProgressJson(o Options) epubProgress {
+	return &epubProgressJson{
 		o: o,
 		e: json.NewEncoder(os.Stdout),
 	}
 }
 
-func (p *EpubProgressJson) Add(num int) error {
+func (p *epubProgressJson) Add(num int) error {
 	p.current += num
 	p.e.Encode(map[string]any{
 		"type": "progress",
@@ -37,6 +37,6 @@ func (p *EpubProgressJson) Add(num int) error {
 	return nil
 }
 
-func (p *EpubProgressJson) Close() error {
+func (p *epubProgressJson) Close() error {
 	return nil
 }