diff --git a/browserdata/bookmark/bookmark.go b/browserdata/bookmark/bookmark.go
index 0e7d629..8d46106 100644
--- a/browserdata/bookmark/bookmark.go
+++ b/browserdata/bookmark/bookmark.go
@@ -111,7 +111,7 @@ func (f *FirefoxBookmark) Extract(_ []byte) error {
 	defer db.Close()
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
-		log.Errorf("close journal mode error: %v", err)
+		log.Debugf("close journal mode error: %v", err)
 	}
 	rows, err := db.Query(queryFirefoxBookMark)
 	if err != nil {
@@ -124,7 +124,7 @@ func (f *FirefoxBookmark) Extract(_ []byte) error {
 			title, url        string
 		)
 		if err = rows.Scan(&id, &url, &bt, &dateAdded, &title); err != nil {
-			log.Errorf("scan bookmark error: %v", err)
+			log.Debugf("scan bookmark error: %v", err)
 		}
 		*f = append(*f, bookmark{
 			ID:        id,
diff --git a/browserdata/browserdata.go b/browserdata/browserdata.go
index 20ab033..646fb1e 100644
--- a/browserdata/browserdata.go
+++ b/browserdata/browserdata.go
@@ -22,7 +22,7 @@ func New(items []types.DataType) *BrowserData {
 func (d *BrowserData) Recovery(masterKey []byte) error {
 	for _, source := range d.extractors {
 		if err := source.Extract(masterKey); err != nil {
-			log.Errorf("parse %s error: %v", source.Name(), err)
+			log.Debugf("parse %s error: %v", source.Name(), err)
 			continue
 		}
 	}
@@ -41,15 +41,15 @@ func (d *BrowserData) Output(dir, browserName, flag string) {
 
 		f, err := output.CreateFile(dir, filename)
 		if err != nil {
-			log.Errorf("create file %s error: %v", filename, err)
+			log.Debugf("create file %s error: %v", filename, err)
 			continue
 		}
 		if err := output.Write(source, f); err != nil {
-			log.Errorf("write to file %s error: %v", filename, err)
+			log.Debugf("write to file %s error: %v", filename, err)
 			continue
 		}
 		if err := f.Close(); err != nil {
-			log.Errorf("close file %s error: %v", filename, err)
+			log.Debugf("close file %s error: %v", filename, err)
 			continue
 		}
 		log.Warnf("export success: %s", filename)
diff --git a/browserdata/cookie/cookie.go b/browserdata/cookie/cookie.go
index cac4c2e..ca65d63 100644
--- a/browserdata/cookie/cookie.go
+++ b/browserdata/cookie/cookie.go
@@ -65,7 +65,7 @@ func (c *ChromiumCookie) Extract(masterKey []byte) error {
 			value, encryptValue                           []byte
 		)
 		if err = rows.Scan(&key, &encryptValue, &host, &path, &createDate, &expireDate, &isSecure, &isHTTPOnly, &hasExpire, &isPersistent); err != nil {
-			log.Errorf("scan chromium cookie error: %v", err)
+			log.Debugf("scan chromium cookie error: %v", err)
 		}
 
 		cookie := cookie{
@@ -80,16 +80,17 @@ func (c *ChromiumCookie) Extract(masterKey []byte) error {
 			CreateDate:   typeutil.TimeEpoch(createDate),
 			ExpireDate:   typeutil.TimeEpoch(expireDate),
 		}
+
 		if len(encryptValue) > 0 {
-			if len(masterKey) == 0 {
-				value, err = crypto.DecryptWithDPAPI(encryptValue)
-			} else {
-				value, err = crypto.DecryptWithChromium(masterKey, encryptValue)
-			}
+			value, err = crypto.DecryptWithDPAPI(encryptValue)
 			if err != nil {
-				log.Errorf("decrypt chromium cookie error: %v", err)
+				value, err = crypto.DecryptWithChromium(masterKey, encryptValue)
+				if err != nil {
+					log.Debugf("decrypt chromium cookie error: %v", err)
+				}
 			}
 		}
+
 		cookie.Value = string(value)
 		*c = append(*c, cookie)
 	}
@@ -133,7 +134,7 @@ func (f *FirefoxCookie) Extract(_ []byte) error {
 			creationTime, expiry    int64
 		)
 		if err = rows.Scan(&name, &value, &host, &path, &creationTime, &expiry, &isSecure, &isHTTPOnly); err != nil {
-			log.Errorf("scan firefox cookie error: %v", err)
+			log.Debugf("scan firefox cookie error: %v", err)
 		}
 		*f = append(*f, cookie{
 			KeyName:    name,
diff --git a/browserdata/creditcard/creditcard.go b/browserdata/creditcard/creditcard.go
index 35adee9..3f1fae7 100644
--- a/browserdata/creditcard/creditcard.go
+++ b/browserdata/creditcard/creditcard.go
@@ -57,7 +57,7 @@ func (c *ChromiumCreditCard) Extract(masterKey []byte) error {
 			value, encryptValue                        []byte
 		)
 		if err := rows.Scan(&guid, &name, &month, &year, &encryptValue, &address, &nickname); err != nil {
-			log.Errorf("scan chromium credit card error: %v", err)
+			log.Debugf("scan chromium credit card error: %v", err)
 		}
 		ccInfo := card{
 			GUID:            guid,
@@ -74,7 +74,7 @@ func (c *ChromiumCreditCard) Extract(masterKey []byte) error {
 				value, err = crypto.DecryptWithChromium(masterKey, encryptValue)
 			}
 			if err != nil {
-				log.Errorf("decrypt chromium credit card error: %v", err)
+				log.Debugf("decrypt chromium credit card error: %v", err)
 			}
 		}
 
@@ -112,7 +112,7 @@ func (c *YandexCreditCard) Extract(masterKey []byte) error {
 			value, encryptValue                        []byte
 		)
 		if err := rows.Scan(&guid, &name, &month, &year, &encryptValue, &address, &nickname); err != nil {
-			log.Errorf("scan chromium credit card error: %v", err)
+			log.Debugf("scan chromium credit card error: %v", err)
 		}
 		ccInfo := card{
 			GUID:            guid,
@@ -129,7 +129,7 @@ func (c *YandexCreditCard) Extract(masterKey []byte) error {
 				value, err = crypto.DecryptWithChromium(masterKey, encryptValue)
 			}
 			if err != nil {
-				log.Errorf("decrypt chromium credit card error: %v", err)
+				log.Debugf("decrypt chromium credit card error: %v", err)
 			}
 		}
 		ccInfo.CardNumber = string(value)
diff --git a/browserdata/download/download.go b/browserdata/download/download.go
index 3120821..22b9eec 100644
--- a/browserdata/download/download.go
+++ b/browserdata/download/download.go
@@ -101,7 +101,7 @@ func (f *FirefoxDownload) Extract(_ []byte) error {
 
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
-		log.Errorf("close journal mode error: %v", err)
+		log.Debugf("close journal mode error: %v", err)
 	}
 	rows, err := db.Query(queryFirefoxDownload)
 	if err != nil {
diff --git a/browserdata/history/history.go b/browserdata/history/history.go
index 952edc7..5460263 100644
--- a/browserdata/history/history.go
+++ b/browserdata/history/history.go
@@ -113,7 +113,7 @@ func (f *FirefoxHistory) Extract(_ []byte) error {
 			visitCount    int
 		)
 		if err = rows.Scan(&id, &url, &visitDate, &title, &visitCount); err != nil {
-			log.Errorf("scan firefox history error: %v", err)
+			log.Debugf("scan firefox history error: %v", err)
 		}
 		*f = append(*f, history{
 			Title:         title,
diff --git a/browserdata/localstorage/localstorage.go b/browserdata/localstorage/localstorage.go
index 05e5e18..0a8c106 100644
--- a/browserdata/localstorage/localstorage.go
+++ b/browserdata/localstorage/localstorage.go
@@ -125,7 +125,7 @@ func (f *FirefoxLocalStorage) Extract(_ []byte) error {
 
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
-		log.Errorf("close journal mode error: %v", err)
+		log.Debugf("close journal mode error: %v", err)
 	}
 	rows, err := db.Query(queryLocalStorage)
 	if err != nil {
@@ -135,7 +135,7 @@ func (f *FirefoxLocalStorage) Extract(_ []byte) error {
 	for rows.Next() {
 		var originKey, key, value string
 		if err = rows.Scan(&originKey, &key, &value); err != nil {
-			log.Errorf("scan firefox local storage error: %v", err)
+			log.Debugf("scan firefox local storage error: %v", err)
 		}
 		s := new(storage)
 		s.fillFirefox(originKey, key, value)
diff --git a/browserdata/password/password.go b/browserdata/password/password.go
index bedf281..031734a 100644
--- a/browserdata/password/password.go
+++ b/browserdata/password/password.go
@@ -65,23 +65,24 @@ func (c *ChromiumPassword) Extract(masterKey []byte) error {
 			create        int64
 		)
 		if err := rows.Scan(&url, &username, &pwd, &create); err != nil {
-			log.Errorf("scan chromium password error: %v", err)
+			log.Debugf("scan chromium password error: %v", err)
 		}
 		login := loginData{
 			UserName:    username,
 			encryptPass: pwd,
 			LoginURL:    url,
 		}
+
 		if len(pwd) > 0 {
-			if len(masterKey) == 0 {
-				password, err = crypto.DecryptWithDPAPI(pwd)
-			} else {
-				password, err = crypto.DecryptWithChromium(masterKey, pwd)
-			}
+			password, err = crypto.DecryptWithDPAPI(pwd)
 			if err != nil {
-				log.Errorf("decrypt chromium password error: %v", err)
+				password, err = crypto.DecryptWithChromium(masterKey, pwd)
+				if err != nil {
+					log.Debugf("decrypt chromium password error: %v", err)
+				}
 			}
 		}
+
 		if create > time.Now().Unix() {
 			login.CreateDate = typeutil.TimeEpoch(create)
 		} else {
@@ -132,7 +133,7 @@ func (c *YandexPassword) Extract(masterKey []byte) error {
 			create        int64
 		)
 		if err := rows.Scan(&url, &username, &pwd, &create); err != nil {
-			log.Errorf("scan yandex password error: %v", err)
+			log.Debugf("scan yandex password error: %v", err)
 		}
 		login := loginData{
 			UserName:    username,
@@ -147,7 +148,7 @@ func (c *YandexPassword) Extract(masterKey []byte) error {
 				password, err = crypto.DecryptWithChromium(masterKey, pwd)
 			}
 			if err != nil {
-				log.Errorf("decrypt yandex password error: %v", err)
+				log.Debugf("decrypt yandex password error: %v", err)
 			}
 		}
 		if create > time.Now().Unix() {
diff --git a/browserdata/sessionstorage/sessionstorage.go b/browserdata/sessionstorage/sessionstorage.go
index e3380ce..7c10b96 100644
--- a/browserdata/sessionstorage/sessionstorage.go
+++ b/browserdata/sessionstorage/sessionstorage.go
@@ -133,7 +133,7 @@ func (f *FirefoxSessionStorage) Extract(_ []byte) error {
 
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
-		log.Errorf("close journal mode error: %v", err)
+		log.Debugf("close journal mode error: %v", err)
 	}
 	rows, err := db.Query(querySessionStorage)
 	if err != nil {
@@ -143,7 +143,7 @@ func (f *FirefoxSessionStorage) Extract(_ []byte) error {
 	for rows.Next() {
 		var originKey, key, value string
 		if err = rows.Scan(&originKey, &key, &value); err != nil {
-			log.Errorf("scan session storage error: %v", err)
+			log.Debugf("scan session storage error: %v", err)
 		}
 		s := new(session)
 		s.fillFirefox(originKey, key, value)