diff --git a/log/log.go b/log/log.go
index 190c44c..2d41618 100644
--- a/log/log.go
+++ b/log/log.go
@@ -49,7 +49,7 @@ func newCore(level string) zapcore.Core {
 		LineEnding:     zapcore.DefaultLineEnding,
 		EncodeLevel:    zapcore.CapitalLevelEncoder,
 		EncodeTime:     zapcore.ISO8601TimeEncoder,
-		EncodeDuration: zapcore.SecondsDurationEncoder, //
+		EncodeDuration: zapcore.SecondsDurationEncoder,
 		EncodeCaller:   zapcore.ShortCallerEncoder,
 		EncodeName:     zapcore.FullNameEncoder,
 	}
diff --git a/utils/utils.go b/utils/utils.go
index 6c69963..6ab277d 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -139,6 +139,7 @@ func WriteFile(filename string, data []byte) error {
 
 func FormatFileName(dir, browser, filename, format string) string {
 	r := strings.TrimSpace(strings.ToLower(filename))
+	r = strings.Replace(r, " ", "_", -1)
 	p := path.Join(dir, fmt.Sprintf("%s_%s.%s", r, browser, format))
 	return p
 }
diff --git a/utils/utils_darwin.go b/utils/utils_darwin.go
index f291851..576da17 100644
--- a/utils/utils_darwin.go
+++ b/utils/utils_darwin.go
@@ -80,20 +80,6 @@ func InitKey(key string) error {
 	return err
 }
 
-//func GetDBPath(dir string, dbName ...string) (dbFile []string) {
-//	for _, v := range dbName {
-//		s, err := filepath.Glob(dir + v)
-//		if err != nil && len(s) == 0 {
-//			continue
-//		}
-//		if len(s) > 0 {
-//			log.Debugf("Find %s File Success", v)
-//			log.Debugf("%s file location is %s", v, s[0])
-//			dbFile = append(dbFile, s[0])
-//		}
-//	}
-//	return dbFile
-//}
 
 func decryptChromeKey(chromePass []byte) {
 	chromeKey = pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New)
diff --git a/utils/utils_windows.go b/utils/utils_windows.go
index f0bd489..603cc31 100644
--- a/utils/utils_windows.go
+++ b/utils/utils_windows.go
@@ -84,26 +84,6 @@ func InitKey(key string) error {
 	}
 }
 
-//func GetDBPath(dir string, dbName ...string) (dbFile []string) {
-//	var dbPath []string
-//	chromeDBPath := os.Getenv("USERPROFILE") + dir
-//	for _, v := range dbName {
-//		dbPath = append(dbPath, chromeDBPath+v)
-//	}
-//	for _, v := range dbPath {
-//		s, err := filepath.Glob(v)
-//		if err != nil && len(s) == 0 {
-//			continue
-//		}
-//		if len(s) > 0 {
-//			log.Debugf("Find %s File Success", v)
-//			log.Debugf("%s file location is %s", v, s[0])
-//			dbFile = append(dbFile, s[0])
-//		}
-//	}
-//	return dbFile
-//}
-
 func DecryptChromePass(encryptPass []byte) (string, error) {
 	if len(encryptPass) > 15 {
 		// remove prefix 'v10'