diff --git a/src/enums/device-type.ts b/src/enums/device-type.ts
index fbe7e77..a54c91f 100644
--- a/src/enums/device-type.ts
+++ b/src/enums/device-type.ts
@@ -1,23 +1,24 @@
 export const DeviceType = {
   Camera: '132',
-  Decoder: '114',
-  Keyboard: '141',
-  MediaServer: '403',
   Nvr: '118',
-  SecurityBox: '222',
   Switch: '220',
+  Decoder: '114',
+  SecurityBox: '222',
+  MediaServer: '403',
   VideoServer: '401',
+  Keyboard: '141',
 } as const;
 
-export type DeviceTypeCode = keyof typeof DeviceType;
+export type DeviceTypeKey = keyof typeof DeviceType;
+export type DeviceTypeCode = (typeof DeviceType)[DeviceTypeKey];
 
 export const DeviceTypeName = {
   [DeviceType.Camera]: '摄像机',
-  [DeviceType.Decoder]: '解码器',
-  [DeviceType.Keyboard]: '网络键盘',
-  [DeviceType.MediaServer]: '媒体服务器',
   [DeviceType.Nvr]: '网络录像机',
-  [DeviceType.SecurityBox]: '智能安防箱',
   [DeviceType.Switch]: '交换机',
+  [DeviceType.Decoder]: '解码器',
+  [DeviceType.SecurityBox]: '智能安防箱',
+  [DeviceType.MediaServer]: '媒体服务器',
   [DeviceType.VideoServer]: '视频服务器',
+  [DeviceType.Keyboard]: '网络键盘',
 };