diff --git a/src/main/kotlin/app/termora/database/DataType.kt b/src/main/kotlin/app/termora/database/DataType.kt
index 5f9c77e..512dca0 100644
--- a/src/main/kotlin/app/termora/database/DataType.kt
+++ b/src/main/kotlin/app/termora/database/DataType.kt
@@ -1,11 +1,15 @@
 package app.termora.database
 
-enum class DataType {
+enum class DataType : IDataType {
     Host,
     Snippet,
     KeyPair,
     Tag,
     Macro,
     KeywordHighlight,
-    Keymap,
+    Keymap, ;
+
+    override fun dataType(): String {
+        return this.name
+    }
 }
diff --git a/src/main/kotlin/app/termora/database/DatabaseManager.kt b/src/main/kotlin/app/termora/database/DatabaseManager.kt
index 8c24c53..886829f 100644
--- a/src/main/kotlin/app/termora/database/DatabaseManager.kt
+++ b/src/main/kotlin/app/termora/database/DatabaseManager.kt
@@ -117,14 +117,14 @@ class DatabaseManager private constructor() : Disposable {
     /**
      * 返回本地所有用户的数据，调用者需要过滤具体用户
      */
-    inline fun <reified T> data(type: DataType): List<T> {
+    inline fun <reified T> data(type: IDataType): List<T> {
         return data(type, StringUtils.EMPTY)
     }
 
     /**
      * 返回本地所有用户的数据，调用者需要过滤具体用户
      */
-    inline fun <reified T> data(type: DataType, ownerId: String): List<T> {
+    inline fun <reified T> data(type: IDataType, ownerId: String): List<T> {
         val list = mutableListOf<T>()
         try {
             for (data in rawData(type, ownerId)) {
@@ -188,19 +188,19 @@ class DatabaseManager private constructor() : Disposable {
     /**
      * 不会返回已删除的数据
      */
-    fun rawData(type: DataType): List<Data> {
+    fun rawData(type: IDataType): List<Data> {
         return rawData(type, StringUtils.EMPTY)
     }
 
     /**
      * 不会返回已删除的数据
      */
-    fun rawData(type: DataType, ownerId: String): List<Data> {
+    fun rawData(type: IDataType, ownerId: String): List<Data> {
         val list = mutableListOf<Data>()
         lock.withLock {
             transaction(database) {
                 val query = DataEntity.selectAll()
-                    .where { (DataEntity.type eq type.name) and (DataEntity.deleted.eq(false)) }
+                    .where { (DataEntity.type eq type.dataType()) and (DataEntity.deleted.eq(false)) }
 
                 if (ownerId.isNotBlank()) {
                     query.andWhere { DataEntity.ownerId eq ownerId }
diff --git a/src/main/kotlin/app/termora/database/IDataType.kt b/src/main/kotlin/app/termora/database/IDataType.kt
new file mode 100644
index 0000000..7f69612
--- /dev/null
+++ b/src/main/kotlin/app/termora/database/IDataType.kt
@@ -0,0 +1,5 @@
+package app.termora.database
+
+interface IDataType {
+    fun dataType(): String
+}
\ No newline at end of file
diff --git a/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt b/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
index 78bf587..fb798a4 100644
--- a/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
+++ b/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
@@ -514,7 +514,7 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
             var rows = 1
             val step = 2
             return FormBuilder.create().layout(layout).padding("2dlu, $formMargin, $formMargin, $formMargin")
-                .add("File:").xy(1, rows)
+                .add("${I18n.getString("termora.file")}:").xy(1, rows)
                 .add(fileTextField).xy(3, rows).apply { rows += step }
                 .add("${I18n.getString("termora.keymgr.table.type")}:").xy(1, rows)
                 .add(typeComboBox).xy(3, rows).apply { rows += step }
@@ -553,7 +553,7 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
                         }
                     },
                     messageType = JOptionPane.PLAIN_MESSAGE,
-                    title = "Private Key",
+                    title = I18n.getString("termora.keymgr.private-key"),
                     optionType = JOptionPane.OK_CANCEL_OPTION
                 ) != JOptionPane.OK_OPTION
             ) {
diff --git a/src/main/resources/i18n/messages.properties b/src/main/resources/i18n/messages.properties
index f4410ac..c7448dc 100644
--- a/src/main/resources/i18n/messages.properties
+++ b/src/main/resources/i18n/messages.properties
@@ -10,6 +10,7 @@ termora.no=No
 termora.date-format=MM/dd/yyyy hh:mm:ss a
 termora.finder=Finder
 termora.folder=Folder
+termora.file=File
 termora.explorer=Explorer
 termora.quit-confirm=Quit {0}?
 
@@ -243,6 +244,7 @@ termora.keymgr.generate=Generate
 termora.keymgr.import=Import
 termora.keymgr.export=Export
 termora.keymgr.edit=Edit
+termora.keymgr.private-key=Private Key
 termora.keymgr.delete-warning=Are you sure you want to delete?
 termora.keymgr.table.name=Name
 termora.keymgr.table.type=Type
diff --git a/src/main/resources/i18n/messages_zh_CN.properties b/src/main/resources/i18n/messages_zh_CN.properties
index 8f8e081..585173d 100644
--- a/src/main/resources/i18n/messages_zh_CN.properties
+++ b/src/main/resources/i18n/messages_zh_CN.properties
@@ -9,6 +9,7 @@ termora.no=否
 termora.date-format=yyyy-MM-dd HH:mm:ss
 termora.finder=访达
 termora.folder=文件夹
+termora.file=文件
 termora.explorer=文件管理器
 termora.quit-confirm=你要退出 {0} 吗？
 
@@ -230,6 +231,7 @@ termora.keymgr.generate=生成
 termora.keymgr.import=导入
 termora.keymgr.export=导出
 termora.keymgr.edit=编辑
+termora.keymgr.private-key=私钥
 termora.keymgr.delete-warning=确定要删除吗？
 termora.keymgr.table.name=名称
 termora.keymgr.table.type=类型
diff --git a/src/main/resources/i18n/messages_zh_TW.properties b/src/main/resources/i18n/messages_zh_TW.properties
index 5f1c338..3144038 100644
--- a/src/main/resources/i18n/messages_zh_TW.properties
+++ b/src/main/resources/i18n/messages_zh_TW.properties
@@ -8,6 +8,7 @@ termora.no=否
 termora.date-format=yyyy/MM/dd HH:mm:ss
 termora.finder=訪達
 termora.folder=資料夾
+termora.file=文件
 termora.explorer=檔案管理器
 termora.quit-confirm=你要退出 {0} 嗎？
 
@@ -228,6 +229,7 @@ termora.keymgr.generate=生成
 termora.keymgr.import=匯入
 termora.keymgr.export=匯出
 termora.keymgr.edit=編輯
+termora.keymgr.private-key=私鑰
 termora.keymgr.delete-warning=確定要刪除嗎？
 termora.keymgr.table.name=名稱
 termora.keymgr.table.type=型別