diff --git a/Service/DeviceService.cs b/Service/DeviceService.cs
index c82e61f..3f6a8a3 100644
--- a/Service/DeviceService.cs
+++ b/Service/DeviceService.cs
@@ -87,7 +87,7 @@ namespace LY.App.Service
         /// <summary>
         /// 更新设备信息
         /// </summary>
-        /// <param name="entity"></param>
+        /// <param name="input"></param>
         /// <returns></returns>
         public async Task<ApiResult> updata(UpdateDevice input)
         {