diff --git a/rest/install.go b/rest/install.go
index 855e23a..903d8d9 100644
--- a/rest/install.go
+++ b/rest/install.go
@@ -49,7 +49,7 @@ func InstallDatabase() {
 	preference := &Preference{}
 	hasTable = db.HasTable(preference)
 	if !hasTable {
-		createPreference := "CREATE TABLE `tank10_preference` (`uuid` char(36) NOT NULL,`name` varchar(45) DEFAULT NULL COMMENT '网站名称',`logo_url` varchar(255) DEFAULT NULL,`favicon_url` varchar(255) DEFAULT NULL,`footer_line1` varchar(1024) DEFAULT NULL,`footer_line2` varchar(1024) DEFAULT NULL,`sort` bigint(20) DEFAULT NULL,`modify_time` timestamp NULL DEFAULT NULL,`create_time` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',PRIMARY KEY (`uuid`),UNIQUE KEY `id_UNIQUE` (`uuid`)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='网站偏好设置表';"
+		createPreference := "CREATE TABLE `tank10_preference` (`uuid` char(36) NOT NULL,`name` varchar(45) DEFAULT NULL COMMENT '网站名称',`logo_url` varchar(255) DEFAULT NULL,`favicon_url` varchar(255) DEFAULT NULL,`footer_line1` varchar(1024) DEFAULT NULL,`footer_line2` varchar(1024) DEFAULT NULL,`version` varchar(45) DEFAULT NULL,`sort` bigint(20) DEFAULT NULL,`modify_time` timestamp NULL DEFAULT NULL,`create_time` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',PRIMARY KEY (`uuid`),UNIQUE KEY `id_UNIQUE` (`uuid`)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='网站偏好设置表';"
 		db = db.Exec(createPreference)
 		if db.Error != nil {
 			LogPanic(db.Error)
diff --git a/rest/preference_dao.go b/rest/preference_dao.go
index 40a6125..50fb15c 100644
--- a/rest/preference_dao.go
+++ b/rest/preference_dao.go
@@ -20,6 +20,7 @@ func (this *PreferenceDao) Fetch() *Preference {
 
 		if db.Error.Error() == "record not found" {
 			preference.Name = "蓝眼云盘"
+			preference.Version = VERSION
 			this.Create(preference)
 			return preference
 		} else {
diff --git a/rest/preference_model.go b/rest/preference_model.go
index 625c953..3a1a027 100644
--- a/rest/preference_model.go
+++ b/rest/preference_model.go
@@ -7,6 +7,7 @@ type Preference struct {
 	FaviconUrl  string `json:"faviconUrl"`
 	FooterLine1 string `json:"footerLine1"`
 	FooterLine2 string `json:"footerLine2"`
+	Version     string `json:"version"`
 }
 
 // set File's table name to be `profiles`
diff --git a/rest/util_string.go b/rest/util_string.go
index 7e24796..ab29901 100644
--- a/rest/util_string.go
+++ b/rest/util_string.go
@@ -18,9 +18,9 @@ func HumanFileSize(bytes int64, si bool) string {
 	if bytes < thresh {
 		return fmt.Sprintf("%dB", bytes)
 	}
-	var units = []string{"kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"}
+	var units = []string{"B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"}
 	if si {
-		units = []string{"KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"}
+		units = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"}
 	}
 	var u = 0
 	var tmp = float64(bytes)