diff --git a/Backend/Controllers/DeviceImportController.cs b/Backend/Controllers/DeviceImportController.cs
index fb0beb2..7b03b95 100644
--- a/Backend/Controllers/DeviceImportController.cs
+++ b/Backend/Controllers/DeviceImportController.cs
@@ -755,6 +755,7 @@ namespace Backend.Controllers
         public async Task<ApiResult<string>> ImportDevForCor([FromBody] List<ImportDevForCoo> post)
         {
             ApiResult<string> apiResult = new ApiResult<string>();
+            var device_guid_record = "";
             try
             {
                 if (post != null)
@@ -762,41 +763,46 @@ namespace Backend.Controllers
                     if (post.Count > 0)
                     {
                         //清空device_node資料表
-                        //await backendRepository.TruncateTable("device_node");
+                        await backendRepository.TruncateTable("device_node");
 
-                        //int node_priority = 1;
+                        int node_priority = 1;
                         foreach(var idfc in post)
                         {
-                            //if(idfc.device_number.IndexOf("_LT_L1") > -1)
-                            //{
-                            //    //取得device_guid
-                            //    var sWhere = $@"where deleted = 0 and device_number = " + idfc.device_number;
-                            //    var device_guid = await backendRepository.GetOneAsync<string>("device_node", sWhere, "device_guid");
+                            if (idfc.device_number.IndexOf("_LT_L1") > -1)
+                            {
+                                //取得device_guid
+                                var sWhere = $@" deleted = 0 and device_number = '" + idfc.device_number + "'";
+                                var device_guid = await backendRepository.GetOneColAsync("device", sWhere, "device_guid");
+                                if(device_guid.ToString() != device_guid_record)
+                                {
+                                    device_guid_record = device_guid.ToString();
+                                    node_priority = 1;
+                                }
 
-                            //    //燈具
-                            //    Dictionary<string, object> device = new Dictionary<string, object>();
-                            //    device.Add("@device_node_guid", Guid.NewGuid());
-                            //    device.Add("@deleted", 0);
-                            //    device.Add("@device_guid", device_guid);
-                            //    device.Add("@device_node_coordinate_3d", idfc.device_coordinate_3d);
-                            //    device.Add("@forge_dbid", idfc.forge_dbid);
-                            //    device.Add("@priority", node_priority);
-                            //    device.Add("@created_by", myUserInfo.Userinfo_guid);
-                            //    device.Add("@created_at", DateTime.Now);
+                                //燈具
+                                Dictionary<string, object> device = new Dictionary<string, object>();
+                                device.Add("@device_node_guid", Guid.NewGuid());
+                                device.Add("@deleted", 0);
+                                device.Add("@device_guid", device_guid);
+                                device.Add("@device_node_coordinate_3d", idfc.device_coordinate_3d);
+                                device.Add("@forge_dbid", idfc.forge_dbid);
+                                device.Add("@priority", node_priority);
+                                device.Add("@created_by", myUserInfo.Userinfo_guid);
+                                device.Add("@created_at", DateTime.Now);
 
-                            //    node_priority++;
-                            //    await backendRepository.AddOneByCustomTableReturnId(device, "device_node", false);
-                            //}
-                            //else
-                            //{
+                                node_priority++;
+                                await backendRepository.AddOneByCustomTableReturnId(device, "device_node", false);
+                            }
+                            else
+                            {
                                 Dictionary<string, object> device = new Dictionary<string, object>();
                                 device.Add("@device_coordinate_3d", idfc.device_coordinate_3d);
                                 device.Add("@forge_dbid", idfc.forge_dbid);
                                 await backendRepository.UpdateOneByCustomTable(device, "device", $@" device_number = '{idfc.device_number}'");
-                            //}
-                            
+                            }
+
+
 
-                            
                         }
                     }
                     apiResult.Code = "0000";
diff --git a/Repository/BaseRepository/Implement/BaseRepository.cs b/Repository/BaseRepository/Implement/BaseRepository.cs
index 0de7f78..0543d8d 100644
--- a/Repository/BaseRepository/Implement/BaseRepository.cs
+++ b/Repository/BaseRepository/Implement/BaseRepository.cs
@@ -270,6 +270,41 @@ namespace Repository.BaseRepository.Implement
                 return result;
             }
         }
+        /// <summary>
+        /// 取得單一筆資料某一欄位(排序)
+        /// </summary>
+        /// <param name="tableName"></param>
+        /// <param name="sWhere"></param>
+        /// <param name="selCol">填放欄位</param>
+        /// <param name="param">參數值</param>
+        /// <param name="sOrderBy"></param>
+        /// <returns></returns>
+        public virtual async Task<string> GetOneColAsync(string tableName, string sWhere, string selCol, object param = null, string sOrderBy = "")
+        {
+            string result;
+            using (IDbConnection conn = GetDbConnection())
+            {
+                try
+                {
+                    var sql = $"SELECT {selCol} FROM {tableName}";
+                    if (!string.IsNullOrEmpty(sWhere))
+                    {
+                        sql += $" WHERE {sWhere}";
+                    }
+                    if (!string.IsNullOrEmpty(sOrderBy))
+                    {
+                        sql += $" ORDER BY {sOrderBy}";
+                    }
+
+                    result = await conn.QueryFirstOrDefaultAsync<string>(sql, param);
+                }
+                catch (Exception exception)
+                {
+                    throw exception;
+                }
+                return result;
+            }
+        }
 
         /// <summary>
         /// 取得單一筆資料(根據自訂SQL, 自訂參數)
diff --git a/Repository/BaseRepository/Interface/IBaseRepository.cs b/Repository/BaseRepository/Interface/IBaseRepository.cs
index 1c041a0..33ff7eb 100644
--- a/Repository/BaseRepository/Interface/IBaseRepository.cs
+++ b/Repository/BaseRepository/Interface/IBaseRepository.cs
@@ -95,6 +95,18 @@ namespace Repository.BaseRepository.Interface
         /// <returns></returns>
         Task<object> GetOneAsync(string tableName, string sWhere, string selCol, object param = null, string sOrderBy = "");
         /// <summary>
+        /// 取得單一筆資料某一欄位(排序)，不需sWhere及sOrderBy填""
+        /// <para>
+        /// SELECT {selCol} FROM {tableName} WHERE {sWhere} ORDER BY {sOrderBy}
+        /// </para>
+        /// </summary>
+        /// <param name="tableName"></param>
+        /// <param name="sWhere"></param>
+        /// <param name="sOrderBy"></param>
+        /// <param name="selCol">填放欄位</param>
+        /// <returns></returns>
+        Task<string> GetOneColAsync(string tableName, string sWhere, string selCol, object param = null, string sOrderBy = "");
+        /// <summary>
         /// 取得單一筆資料(根據自訂SQL, 自訂參數)
         /// </summary>
         /// <param name="sqlString"></param>