diff --git a/Backend/Controllers/DeviceImportController.cs b/Backend/Controllers/DeviceImportController.cs
index 0a873a8..a0baac1 100644
--- a/Backend/Controllers/DeviceImportController.cs
+++ b/Backend/Controllers/DeviceImportController.cs
@@ -777,6 +777,11 @@ namespace Backend.Controllers
                                 {
                                     device_guid_record = device_guid.ToString();
                                     node_priority = 1;
+                                    Dictionary<string, object> deviceForLight = new Dictionary<string, object>();
+                                    deviceForLight.Add("@device_coordinate_3d", idfc.device_coordinate_3d);
+                                    deviceForLight.Add("@forge_dbid", idfc.forge_dbid);
+                                    deviceForLight.Add("@updated_at", DateTime.Now);
+                                    await backendRepository.UpdateOneByCustomTable(deviceForLight, "device", $@" device_guid = '{device_guid}'");
                                 }
 
                                 //燈具
@@ -798,6 +803,7 @@ namespace Backend.Controllers
                                 Dictionary<string, object> device = new Dictionary<string, object>();
                                 device.Add("@device_coordinate_3d", idfc.device_coordinate_3d);
                                 device.Add("@forge_dbid", idfc.forge_dbid);
+                                device.Add("@updated_at", DateTime.Now);
                                 await backendRepository.UpdateOneByCustomTable(device, "device", $@" device_number = '{idfc.device_number}'");
                             }
                         }
diff --git a/Backend/wwwroot/forgeDemo.html b/Backend/wwwroot/forgeDemo.html
index 9751333..ce315e7 100644
--- a/Backend/wwwroot/forgeDemo.html
+++ b/Backend/wwwroot/forgeDemo.html
@@ -243,9 +243,11 @@
             //launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6dGEzaHFzZmZ6cWJub3V4a3BsZGt1a3NldzRzajIxdzUtYmltc19tb2RlbHMvJUUzJTgwJTkwJUU1JThGJUIwJUU1JThDJTk3JUU0JUI4JUFEJUU4JThGJUIxJUU1JUE0JUE3JUU2JUE4JTkzJUUzJTgwJTkxQVJDJUU5JTlCJTk5JUU2JUE4JUExJUU1JUJDJThGK01FUCVFNiU4QiU4NiVFNyVCMyVCQiVFNyVCNSVCMV8yMDIyXzEyXzMxLm53ZA==');
 
             //01.06 樓層刪除燈具
-            launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6LW1vZGVsX3Rlc3QxMTIxLyVFMyU4MCU5MCVFNSU4RiVCMCVFNSU4QyU5NyVFNCVCOCVBRCVFOCU4RiVCMSVFNSVBNCVBNyVFNiVBOCU5MyVFMyU4MCU5MUFSQyVFOSU5QiU5OSVFNiVBOCVBMSVFNSVCQyU4RitNRVAlRTYlOEIlODYlRTclQjMlQkIlRTclQjUlQjFfJUU1JTg4JUFBJUU3JTg3JTg4JUU1JTg1JUI3XzIwMjNfMDFfMDYubndk');
+            //launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6LW1vZGVsX3Rlc3QxMTIxLyVFMyU4MCU5MCVFNSU4RiVCMCVFNSU4QyU5NyVFNCVCOCVBRCVFOCU4RiVCMSVFNSVBNCVBNyVFNiVBOCU5MyVFMyU4MCU5MUFSQyVFOSU5QiU5OSVFNiVBOCVBMSVFNSVCQyU4RitNRVAlRTYlOEIlODYlRTclQjMlQkIlRTclQjUlQjFfJUU1JTg4JUFBJUU3JTg3JTg4JUU1JTg1JUI3XzIwMjNfMDFfMDYubndk');
 
 
+            launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6LW1vZGVsX3Rlc3QxMTIxLyVFMyU4MCU5MCVFNSU4RiVCMCVFNSU4QyU5NyVFNCVCOCVBRCVFOCU4RiVCMSVFNSVBNCVBNyVFNiVBOCU5MyVFMyU4MCU5MUFSQyVFOSU5QiU5OSVFNiVBOCVBMSVFNSVCQyU4RitNRVAlRTYlOEIlODYlRTclQjMlQkIlRTclQjUlQjFfJUU1JTg4JUFBJUU3JTg3JTg4JUU1JTg1JUI3XzIwMjNfMDFfMDYubndk');
+
             //launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6dnNjb2RlX2ZvcmdlX3Rlc3QvJUUzJTgwJTkwQVJDJUUzJTgwJTkxXzIwMjJfMTJfMTMubndk');//new ARC
             //launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6dnNjb2RlX2ZvcmdlX3Rlc3QvJUUzJTgwJTkwTUVQJUUzJTgwJTkxXzIwMjJfMTJfMTMubndj');//new MEP
             //launchViewer('dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6dnNjb2RlX2ZvcmdlX3Rlc3QvJUUzJTgwJTkwQVJDJUUzJTgwJTkxJUU1JTg1JUE4JUU2JUEzJTlGXzIwMjJfMTJfMTMubndj');//全棟 ARC