diff --git a/README.md b/README.md
index 95ebb93..a7c5112 100644
--- a/README.md
+++ b/README.md
@@ -134,7 +134,7 @@ USAGE:
    Github Link: https://github.com/moonD4rk/HackBrowserData
 
 VERSION:
-   0.4.2
+   0.4.3
 
 GLOBAL OPTIONS:
    --verbose, --vv                   verbose (default: false)
diff --git a/README_ZH.md b/README_ZH.md
index 8b60063..d823ded 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -129,7 +129,7 @@ USAGE:
    Github Link: https://github.com/moonD4rk/HackBrowserData
 
 VERSION:
-   0.4.2
+   0.4.3
 
 GLOBAL OPTIONS:
    --verbose, --vv                   verbose (default: false)
diff --git a/go.mod b/go.mod
index 7df5a94..f2418f0 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/urfave/cli/v2 v2.4.0
 	golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3
 	golang.org/x/exp v0.0.0-20220414153411-bcd21879b8fd
+	golang.org/x/text v0.3.6
 )
 
 require (
diff --git a/go.sum b/go.sum
index b84743f..2bf7b3f 100644
--- a/go.sum
+++ b/go.sum
@@ -90,6 +90,8 @@ golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
diff --git a/internal/browingdata/bookmark/bookmark.go b/internal/browingdata/bookmark/bookmark.go
index 2a79058..2e45535 100644
--- a/internal/browingdata/bookmark/bookmark.go
+++ b/internal/browingdata/bookmark/bookmark.go
@@ -76,10 +76,23 @@ func getBookmarkChildren(value gjson.Result, w *ChromiumBookmark) (children gjso
 	return children
 }
 
+func bookmarkType(a int64) string {
+	switch a {
+	case 1:
+		return "url"
+	default:
+		return "folder"
+	}
+}
+
 func (c *ChromiumBookmark) Name() string {
 	return "bookmark"
 }
 
+func (c *ChromiumBookmark) Length() int {
+	return len(*c)
+}
+
 type FirefoxBookmark []bookmark
 
 const (
@@ -134,11 +147,6 @@ func (f *FirefoxBookmark) Name() string {
 	return "bookmark"
 }
 
-func bookmarkType(a int64) string {
-	switch a {
-	case 1:
-		return "url"
-	default:
-		return "folder"
-	}
+func (f *FirefoxBookmark) Length() int {
+	return len(*f)
 }
diff --git a/internal/browingdata/browsingdata.go b/internal/browingdata/browsingdata.go
index 356706c..4c244b0 100644
--- a/internal/browingdata/browsingdata.go
+++ b/internal/browingdata/browsingdata.go
@@ -24,6 +24,8 @@ type Source interface {
 	Parse(masterKey []byte) error
 
 	Name() string
+
+	Length() int
 }
 
 func New(sources []item.Item) *Data {
@@ -47,6 +49,10 @@ func (d *Data) Output(dir, browserName, flag string) {
 	output := NewOutPutter(flag)
 
 	for _, source := range d.sources {
+		if source.Length() == 0 {
+			// if the length of the export data is 0, then it is not necessary to output
+			continue
+		}
 		filename := fileutil.Filename(browserName, source.Name(), output.Ext())
 
 		f, err := output.CreateFile(dir, filename)
diff --git a/internal/browingdata/cookie/cookie.go b/internal/browingdata/cookie/cookie.go
index 45a4fbd..14cae53 100644
--- a/internal/browingdata/cookie/cookie.go
+++ b/internal/browingdata/cookie/cookie.go
@@ -93,6 +93,10 @@ func (c *ChromiumCookie) Name() string {
 	return "cookie"
 }
 
+func (c *ChromiumCookie) Length() int {
+	return len(*c)
+}
+
 type FirefoxCookie []cookie
 
 const (
@@ -137,3 +141,7 @@ func (f *FirefoxCookie) Parse(masterKey []byte) error {
 func (f *FirefoxCookie) Name() string {
 	return "cookie"
 }
+
+func (f *FirefoxCookie) Length() int {
+	return len(*f)
+}
diff --git a/internal/browingdata/creditcard/creditcard.go b/internal/browingdata/creditcard/creditcard.go
index fb772ad..781fe90 100644
--- a/internal/browingdata/creditcard/creditcard.go
+++ b/internal/browingdata/creditcard/creditcard.go
@@ -76,6 +76,10 @@ func (c *ChromiumCreditCard) Name() string {
 	return "creditcard"
 }
 
+func (c *ChromiumCreditCard) Length() int {
+	return len(*c)
+}
+
 type YandexCreditCard []card
 
 func (c *YandexCreditCard) Parse(masterKey []byte) error {
@@ -127,3 +131,7 @@ func (c *YandexCreditCard) Parse(masterKey []byte) error {
 func (c *YandexCreditCard) Name() string {
 	return "creditcard"
 }
+
+func (c *YandexCreditCard) Length() int {
+	return len(*c)
+}
diff --git a/internal/browingdata/download/download.go b/internal/browingdata/download/download.go
index ae7a939..55bcc2d 100644
--- a/internal/browingdata/download/download.go
+++ b/internal/browingdata/download/download.go
@@ -70,6 +70,10 @@ func (c *ChromiumDownload) Name() string {
 	return "download"
 }
 
+func (c *ChromiumDownload) Length() int {
+	return len(*c)
+}
+
 type FirefoxDownload []download
 
 const (
@@ -131,3 +135,7 @@ func (f *FirefoxDownload) Parse(masterKey []byte) error {
 func (f *FirefoxDownload) Name() string {
 	return "download"
 }
+
+func (f *FirefoxDownload) Length() int {
+	return len(*f)
+}
diff --git a/internal/browingdata/extension/extension.go b/internal/browingdata/extension/extension.go
index ecc8261..4758ce2 100644
--- a/internal/browingdata/extension/extension.go
+++ b/internal/browingdata/extension/extension.go
@@ -50,6 +50,10 @@ func (c *ChromiumExtension) Name() string {
 	return "extension"
 }
 
+func (c *ChromiumExtension) Length() int {
+	return len(*c)
+}
+
 type FirefoxExtension []*extension
 
 func (f *FirefoxExtension) Parse(masterKey []byte) error {
@@ -73,3 +77,7 @@ func (f *FirefoxExtension) Parse(masterKey []byte) error {
 func (f *FirefoxExtension) Name() string {
 	return "extension"
 }
+
+func (f *FirefoxExtension) Length() int {
+	return len(*f)
+}
diff --git a/internal/browingdata/history/history.go b/internal/browingdata/history/history.go
index f5fc6bf..2b67e58 100644
--- a/internal/browingdata/history/history.go
+++ b/internal/browingdata/history/history.go
@@ -65,6 +65,10 @@ func (c *ChromiumHistory) Name() string {
 	return "history"
 }
 
+func (c *ChromiumHistory) Length() int {
+	return len(*c)
+}
+
 type FirefoxHistory []history
 
 const (
@@ -119,3 +123,7 @@ func (f *FirefoxHistory) Parse(masterKey []byte) error {
 func (f *FirefoxHistory) Name() string {
 	return "history"
 }
+
+func (f *FirefoxHistory) Length() int {
+	return len(*f)
+}
diff --git a/internal/browingdata/localstorage/localstorage.go b/internal/browingdata/localstorage/localstorage.go
index dd34e28..ccd7340 100644
--- a/internal/browingdata/localstorage/localstorage.go
+++ b/internal/browingdata/localstorage/localstorage.go
@@ -58,6 +58,10 @@ func (c *ChromiumLocalStorage) Name() string {
 	return "localStorage"
 }
 
+func (c *ChromiumLocalStorage) Length() int {
+	return len(*c)
+}
+
 func (s *storage) fillKey(b []byte) {
 	keys := bytes.Split(b, []byte("\x00"))
 	if len(keys) == 1 && bytes.HasPrefix(keys[0], []byte("META:")) {
@@ -142,3 +146,7 @@ func (s *storage) fillFirefox(originKey, key, value string) {
 func (f *FirefoxLocalStorage) Name() string {
 	return "localStorage"
 }
+
+func (f *FirefoxLocalStorage) Length() int {
+	return len(*f)
+}
diff --git a/internal/browingdata/outputter.go b/internal/browingdata/outputter.go
index 3d80beb..4b2c43c 100644
--- a/internal/browingdata/outputter.go
+++ b/internal/browingdata/outputter.go
@@ -9,6 +9,8 @@ import (
 
 	"github.com/gocarina/gocsv"
 	jsoniter "github.com/json-iterator/go"
+	"golang.org/x/text/encoding/unicode"
+	"golang.org/x/text/transform"
 )
 
 type OutPutter struct {
@@ -35,7 +37,7 @@ func (o *OutPutter) Write(data Source, writer io.Writer) error {
 		return encoder.Encode(data)
 	default:
 		gocsv.SetCSVWriter(func(w io.Writer) *gocsv.SafeCSVWriter {
-			writer := csv.NewWriter(w)
+			writer := csv.NewWriter(transform.NewWriter(w, unicode.UTF8BOM.NewEncoder()))
 			writer.Comma = ','
 			return gocsv.NewSafeCSVWriter(writer)
 		})
diff --git a/internal/browingdata/password/password.go b/internal/browingdata/password/password.go
index 14c049f..77ea409 100644
--- a/internal/browingdata/password/password.go
+++ b/internal/browingdata/password/password.go
@@ -90,6 +90,10 @@ func (c *ChromiumPassword) Name() string {
 	return "password"
 }
 
+func (c *ChromiumPassword) Length() int {
+	return len(*c)
+}
+
 type YandexPassword []loginData
 
 const (
@@ -154,6 +158,10 @@ func (c *YandexPassword) Name() string {
 	return "password"
 }
 
+func (c *YandexPassword) Length() int {
+	return len(*c)
+}
+
 type FirefoxPassword []loginData
 
 const (
@@ -224,10 +232,6 @@ func (f *FirefoxPassword) Parse(masterKey []byte) error {
 	return nil
 }
 
-func (f *FirefoxPassword) Name() string {
-	return "password"
-}
-
 func getFirefoxDecryptKey(key4file string) (item1, item2, a11, a102 []byte, err error) {
 	var keyDB *sql.DB
 	keyDB, err = sql.Open("sqlite3", key4file)
@@ -278,3 +282,11 @@ func getFirefoxLoginData(loginJson string) (l []loginData, err error) {
 	}
 	return l, nil
 }
+
+func (f *FirefoxPassword) Name() string {
+	return "password"
+}
+
+func (f *FirefoxPassword) Length() int {
+	return len(*f)
+}