diff --git a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
index 665065e..23d36b6 100644
--- a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
+++ b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
@@ -1863,6 +1863,25 @@ SET FOREIGN_KEY_CHECKS = 1;";
                         await conn.ExecuteAsync(sb.ToString());
                         sb.Clear();
                     }
+
+                    var isDome = await conn.QueryFirstAsync<string>("select system_value from variable where system_type = 'project_name'");
+                    //巨蛋特殊處理
+                    if (!string.IsNullOrEmpty(isDome) && isDome.Contains("ibms_dome"))
+                    {
+                        stopwatchSection = new Stopwatch();
+                        stopwatchSection.Start();
+                        sb.Clear();
+                        // tag 第二碼為小類(除了安全系統之外)安全系統 第二段大類 第四段小類
+                        sb.Append($@"update import_niagara_device_control_point a 
+                                    join variable b on a.device_name_tag = b.system_value COLLATE utf8mb4_0900_ai_ci and b.deleted = 0 and b.system_type = 'device_system_category_layer3'
+                                    join variable v1 on b.system_parent_id = v1.id
+                                    set a.device_system_tag = v1.system_value
+                                    where a.device_system_tag not in ('S', 'CWB', 'B') and not (a.device_system_tag in ('FM', 'APS', 'VICL'));");
+                        await conn.ExecuteAsync(sb.ToString());
+                        stopwatchSection.Stop();
+                        await KeepTimeLog("巨蛋特殊處理", stopwatchSection.ElapsedMilliseconds);
+                    }
+
                     stopwatchSection.Stop();
                     await KeepTimeLog("insert into import_niagara_device_control_point", stopwatchSection.ElapsedMilliseconds);
                 }