diff --git a/MyCore/Services/Devices/DeviceService.cs b/MyCore/Services/Devices/DeviceService.cs
index 96d581f..bbc11a1 100644
--- a/MyCore/Services/Devices/DeviceService.cs
+++ b/MyCore/Services/Devices/DeviceService.cs
@@ -135,6 +135,10 @@ namespace MyCore.Services.Devices
         {
             List<DeviceDetailDTO> createdArloDevices = new List<DeviceDetailDTO>();
 
+            List<Device> existingDevices = _DeviceDatabaseService.GetByprovider(provider.Id);
+
+            arloDevices = arloDevices.Where(yd => !existingDevices.Select(ed => ed.ServiceIdentification).ToList().Contains(yd.deviceId)).ToList();
+
             foreach (var arlo in arloDevices)
             {
                 DeviceDetailDTO deviceDetailDTO = new DeviceDetailDTO();
@@ -185,6 +189,10 @@ namespace MyCore.Services.Devices
         {
             List<DeviceDetailDTO> createdMerossDevices = new List<DeviceDetailDTO>();
 
+            List<Device> existingDevices = _DeviceDatabaseService.GetByprovider(provider.Id);
+
+            merossDevices = merossDevices.Where(yd => !existingDevices.Select(ed => ed.ServiceIdentification).ToList().Contains(yd.uuid)).ToList();
+
             foreach (var meross in merossDevices)
             {
                 DeviceDetailDTO deviceDetailDTO = new DeviceDetailDTO();
@@ -232,6 +240,10 @@ namespace MyCore.Services.Devices
         {
             List<DeviceDetailDTO> createdYeelightDevices = new List<DeviceDetailDTO>();
 
+            List<Device> existingDevices = _DeviceDatabaseService.GetByprovider(provider.Id);
+
+            yeelightDevices = yeelightDevices.Where(yd => !existingDevices.Select(ed => ed.ServiceIdentification).ToList().Contains(yd.Id)).ToList();
+
             foreach (var light in yeelightDevices)
             {
                 DeviceDetailDTO deviceDetailDTO = new DeviceDetailDTO();
diff --git a/MyCore/Services/Devices/SupportedDevices/YeelightService.cs b/MyCore/Services/Devices/SupportedDevices/YeelightService.cs
index 2318522..166eeae 100644
--- a/MyCore/Services/Devices/SupportedDevices/YeelightService.cs
+++ b/MyCore/Services/Devices/SupportedDevices/YeelightService.cs
@@ -13,7 +13,6 @@ namespace MyCore.Services
         public async Task<List<YeelightAPI.Device>> GetDevices()
         {
             devices = await DeviceLocator.Discover();
-
             return devices;
         }
 
diff --git a/MyCore/Services/MyControlPanel/Database/DeviceDatabaseService.cs b/MyCore/Services/MyControlPanel/Database/DeviceDatabaseService.cs
index e24da37..6f5e53c 100644
--- a/MyCore/Services/MyControlPanel/Database/DeviceDatabaseService.cs
+++ b/MyCore/Services/MyControlPanel/Database/DeviceDatabaseService.cs
@@ -28,6 +28,11 @@ namespace MyCore.Services.MyControlPanel
             return _Devices.Find<Device>(d => d.Id == id).FirstOrDefault();
         }
 
+        public List<Device> GetByprovider(string providerId)
+        {
+            return _Devices.Find(d => d.ProviderId == providerId).ToList();
+        }
+
         public bool IsExist(string id)
         {
             return _Devices.Find<Device>(d => d.Id == id).FirstOrDefault() != null ? true : false;