diff --git a/Backend/Controllers/NiagaraDataSynchronizeController.cs b/Backend/Controllers/NiagaraDataSynchronizeController.cs
index 77e2cdb..b1f5206 100644
--- a/Backend/Controllers/NiagaraDataSynchronizeController.cs
+++ b/Backend/Controllers/NiagaraDataSynchronizeController.cs
@@ -82,6 +82,7 @@ namespace Backend.Controllers
                 var building = ds.FirstOrDefault().building;
                 await niagaraDataSynchronizeRepository.InsertNiagaraTagList(ds, building);
                 await niagaraDataSynchronizeRepository.DeviceComparison();
+                await niagaraDataSynchronizeRepository.CheckDiffFullNameAndCover();
                 await niagaraDataSynchronizeRepository.CheckFullNameEmptyReplaceByDeviceName();
                 await niagaraDataSynchronizeRepository.InsertBuildingMenu();
                 await niagaraDataSynchronizeRepository.InsertSubSystemFloor();
@@ -146,6 +147,7 @@ namespace Backend.Controllers
                 var building = ds.FirstOrDefault().device_building_tag;
                 await niagaraDataSynchronizeRepository.InsertItemFromNiagara(ds, building);
                 await niagaraDataSynchronizeRepository.DeviceItemComparison();
+                await niagaraDataSynchronizeRepository.CheckItemDiffFullNameAndCover();
                 await niagaraDataSynchronizeRepository.ItemCheckFullNameEmptyReplaceByDeviceName();
                 result = true;
 
diff --git a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
index 116ec37..dddc9da 100644
--- a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
+++ b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
@@ -512,6 +512,8 @@ namespace Repository.BackendRepository.Implement
         /// <returns></returns>
         public async Task CheckFullNameEmptyReplaceByDeviceName()
         {
+            
+
             using (IDbConnection conn = GetDbConnection())
             {
                 conn.Open();
@@ -542,6 +544,8 @@ namespace Repository.BackendRepository.Implement
         /// <returns></returns>
         public async Task ItemCheckFullNameEmptyReplaceByDeviceName()
         {
+
+            //檢查是否有空值
             using (IDbConnection conn = GetDbConnection())
             {
                 conn.Open();
@@ -565,5 +569,76 @@ namespace Repository.BackendRepository.Implement
 
             }
         }
+
+        /// <summary>
+        /// 檢查device的full_name與niagara device_full_name不同者 覆蓋
+        /// </summary>
+        /// <returns></returns>
+        public async Task CheckDiffFullNameAndCover()
+        {
+            using (IDbConnection conn = GetDbConnection())
+            {
+                conn.Open();
+                using (TransactionScope scope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
+                {
+                    try
+                    {
+                        StringBuilder sb = new StringBuilder();
+                        sb.Append("update device d inner JOIN import_niagara_tag m ON m.niagara_tags = d.device_number " +
+                            "set d.full_name=m.device_full_name " +
+                            "where m.device_full_name<>d.full_name;");
+                        await conn.ExecuteAsync(sb.ToString());
+                    }
+                    catch (Exception exception)
+                    {
+                        throw exception;
+                    }
+                    finally
+                    {
+                        conn.Close();
+                    }
+                }
+
+            }
+        }
+
+
+        /// <summary>
+        /// 比對 device_item full_name 與 import_niagara_item full_name是否相同
+        /// 不同則覆蓋
+        /// </summary>
+        /// <returns></returns>
+        public async Task CheckItemDiffFullNameAndCover()
+        {
+            //檢查
+            using (IDbConnection conn = GetDbConnection())
+            {
+                conn.Open();
+                using (TransactionScope scope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
+                {
+                    try
+                    {
+                        StringBuilder sb = new StringBuilder();
+                        sb.Append("update device_item d " +
+                            "inner JOIN import_niagara_item m ON " +
+                            "m.device_system_tag = d.device_system_tag and " +
+                            "m.device_name_tag = d.device_name_tag and " +
+                            "m.device_point_name = d.points " +
+                            "set d.full_name=m.full_name " +
+                            "where d.full_name<>m.full_name;");
+                        await conn.ExecuteAsync(sb.ToString());
+                    }
+                    catch (Exception exception)
+                    {
+                        throw exception;
+                    }
+                    finally
+                    {
+                        conn.Close();
+                    }
+                }
+
+            }
+        }
     }
 }
diff --git a/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs b/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
index f079975..5629b9c 100644
--- a/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
+++ b/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
@@ -25,6 +25,12 @@ namespace Repository.BackendRepository.Interface
         /// </summary>
         /// <returns></returns>
         Task DeviceComparison();
+        /// <summary>
+        ///檢查Device與import_niagara_tag 的Full_Name是否相同 不同則Full_Name從import_niagara_tag 覆蓋至device
+        /// </summary>
+        /// <returns></returns>
+        Task CheckDiffFullNameAndCover();
+
 
         /// <summary>
         /// 比對 device的FullName，若為空則以DeviceName取代
@@ -36,6 +42,12 @@ namespace Repository.BackendRepository.Interface
         /// </summary>
         /// <returns></returns>
         Task DeviceItemComparison();
+        /// <summary>
+        /// 比對 device_item full_name 與 import_niagara_item是否相同
+        /// 不同則覆蓋
+        /// </summary>
+        /// <returns></returns>
+        Task CheckItemDiffFullNameAndCover();
 
         Task ItemCheckFullNameEmptyReplaceByDeviceName();
         /// <summary>