From 32e9ced4dc876bf0061e973dfd89798b25ba8787 Mon Sep 17 00:00:00 2001
From: yanghongwei <hongwei7458@163.com>
Date: Fri, 18 Apr 2025 20:32:04 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E5=A4=8D=E8=AE=BE=E5=A4=87sn=20?=
 =?UTF-8?q?=E5=88=A4=E6=96=AD?=
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---
 Service/DeviceService.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Service/DeviceService.cs b/Service/DeviceService.cs
index 9ed09f8..dbb42bc 100644
--- a/Service/DeviceService.cs
+++ b/Service/DeviceService.cs
@@ -64,6 +64,15 @@ namespace LY.App.Service
         public async Task<ApiResult> Add(AddDevice input)
         {
             var entity = input.Adapt<DeviceEntity>();
+            var exists = await _db.Queryable<DeviceEntity>().FirstAsync(s => s.DeviceSN == entity.DeviceSN);
+            if (exists!= null)
+            {
+                return new ApiResult()
+                {
+                    code = 1,
+                    msg = "设备SN已存在"
+                };
+            }
             var id = await _db.Insertable(entity).ExecuteReturnSnowflakeIdAsync();
             entity.Id = id;
             await AddDevice2Manager(entity);