diff --git a/Backend/Controllers/NiagaraDataSynchronizeController.cs b/Backend/Controllers/NiagaraDataSynchronizeController.cs
index 1388483..cad41e1 100644
--- a/Backend/Controllers/NiagaraDataSynchronizeController.cs
+++ b/Backend/Controllers/NiagaraDataSynchronizeController.cs
@@ -120,6 +120,7 @@ namespace Backend.Controllers
                 await niagaraDataSynchronizeRepository.CheckFullNameEmptyReplaceByDeviceName();
                 await niagaraDataSynchronizeRepository.InsertBuildingMenu();
                 await niagaraDataSynchronizeRepository.InsertSubSystemFloor();
+                await niagaraDataSynchronizeRepository.InsertFloor();
                 await this.DeviceDisasterAsync();
                 result = true;
 
diff --git a/Frontend/_historyData.html b/Frontend/_historyData.html
index b62599c..34e8aff 100644
--- a/Frontend/_historyData.html
+++ b/Frontend/_historyData.html
@@ -219,6 +219,9 @@
                                     <ul style="${(i1 != null ? index == i1 : first) && index2 == i2 ? `display:block;` : ``}">`;
 
                     $.each(val2.device, function (index3, val3) {
+                        if (val3.device_number.includes("$3"))
+                            val3.device_number = val3.device_number.replace("$3", "");
+
                         strHtml += `<li data-tabname="hisListItem">
                                         <a href="#" onClick="setValue('${val3.device_number}', '${val3.full_name}', null)" data-filter-tags="${val3.full_name.toLowerCase()} ${val3.device_serial_tag.toLowerCase()}" data-devnum="${val3.device_number}">
                                             <span class="nav-link-text">
@@ -280,7 +283,8 @@
 
             $('#devPointsList').html(strHtml);
 
-            if (!hisFirst) {
+            if (!hisFirst)
+            {
                 let start = new Date($('#his_startdate').val());
                 let end = new Date(new Date().setDate(new Date($('#his_enddate input').val()).getDate() + 1));
 
@@ -443,43 +447,43 @@
                 v.type = pageAct.devicePoiName.split(" ")[0];
             });
 
-            let tag = "#historyTable";
+			let tag = "#historyTable";
 
-            let column_defs = [
-                { "targets": [0], "width": "20%", "sortable": true },
-                { "targets": [1], "width": "20%", "sortable": true },
-                { "targets": [2], "width": "20%", "sortable": true }
-            ];
+			let column_defs = [
+				{ "targets": [0], "width": "20%", "sortable": true },
+				{ "targets": [1], "width": "20%", "sortable": true },
+				{ "targets": [2], "width": "20%", "sortable": true }
+			];
 
-            let columns = [
-                {
-                    "title": "類別",
-                    "data": "type"
-                },
-                {
-                    "title": "設備名稱",
-                    "data": "deviceName",
-                },
-                {
-                    "title": "數值",
-                    "data": "value",
-                    "render": function (data) {
-                        if (isNaN(data.toString())) {
-                            return data
-                        }
-                        return data.roundDecimal(2);
-                    }
-                },
-                {
-                    "title": "紀錄時間",
-                    "data": "timestamp",
-                    "render": function (data) {
-                        return displayDate(data, "datetime");
-                    }
-                }
-            ];
+			let columns = [
+				{
+					"title": "類別",
+					"data": "type"
+				},
+				{
+					"title": "設備名稱",
+					"data": "deviceName",
+				},
+				{
+					"title": "數值",
+					"data": "value",
+					"render": function (data) {
+						if (isNaN(data.toString())) {
+							return data
+						}
+						return data.roundDecimal(2);
+					}
+				},
+				{
+					"title": "紀錄時間",
+					"data": "timestamp",
+					"render": function (data) {
+						return displayDate(data, "datetime");
+					}
+				}
+			];
 
-            historyTable = new YourTeam.JqDataTables.getTableByStatic(tag, data, columns, column_defs, null, null, null, null, "tpi");
+			historyTable = new YourTeam.JqDataTables.getTableByStatic(tag, data, columns, column_defs, null, null, null, null, "tpi");
         }
     }
 
@@ -530,25 +534,25 @@
     }
 
     //選擇棟別
-    function SelectBuild(e, building_tag) {
-        $(loadEle).Loading("start");
-        checkIsSelectedBuilding();
-    }
+  function SelectBuild(e, building_tag) {
+    $(loadEle).Loading("start");
+    checkIsSelectedBuilding();
+  }
 
-    function checkIsSelectedBuilding() {
-        let result = false;
-        let buildingRadios = $("[name=buildingRadio]:checked");
-        buildingTag = null;
-        if (buildingRadios && buildingRadios.length > 0) {
-            $("[name=buildingRadio]").parent().removeClass("btn-info");
-            $("[name=buildingRadio]").parent().addClass("btn-secondary");
-            $("[name=buildingRadio]:checked").parent().removeClass("btn-secondary");
-            $("[name=buildingRadio]:checked").parent().addClass("btn-info");
-            buildingTag = buildingRadios.val(); //building tag
-            pageAct.hisBuiName = buildingRadios.prop('id').split("-")[1];
-            initList();
-            result = true;
-        }
-        return result;
+  function checkIsSelectedBuilding() {
+    let result = false;
+    let buildingRadios = $("[name=buildingRadio]:checked");
+    buildingTag = null;
+    if (buildingRadios && buildingRadios.length > 0) {
+        $("[name=buildingRadio]").parent().removeClass("btn-info");
+        $("[name=buildingRadio]").parent().addClass("btn-secondary");
+        $("[name=buildingRadio]:checked").parent().removeClass("btn-secondary");
+        $("[name=buildingRadio]:checked").parent().addClass("btn-info");
+        buildingTag = buildingRadios.val(); //building tag
+        pageAct.hisBuiName = buildingRadios.prop('id').split("-")[1];
+        initList();
+        result = true;
     }
+    return result;
+  }
 </script>
\ No newline at end of file
diff --git a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
index 7fe8a27..4dc5fa1 100644
--- a/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
+++ b/Repository/BackendRepository/Implement/NiagaraDataSynchronizeRepository.cs
@@ -453,7 +453,7 @@ namespace Repository.BackendRepository.Implement
                         sb.Append($@" SELECT m.*
                               FROM import_niagara_item m
                               LEFT JOIN device_item d
-                              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
+                              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 and m.device_building_tag collate utf8mb4_0900_ai_ci = d.device_building_tag
                               WHERE d.points IS NULL");
                         result = (await conn.QueryAsync<NiagaraTagsForItem>(sb.ToString())).ToList<NiagaraTagsForItem>();
                         
@@ -913,5 +913,101 @@ namespace Repository.BackendRepository.Implement
                 }
             }
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public async Task InsertFloor()
+        {
+            using (IDbConnection conn = GetDbConnection())
+            {
+                conn.Open();
+                using (TransactionScope scope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
+                {
+                    try
+                    {
+                        List<NiagaraTags> result;
+                        StringBuilder sb = new StringBuilder();
+                        #region comparison floor and sub_system_floor
+                        sb.Append($@" select tag.*
+                                        from (
+	                                        select  device_building_tag, device_floor_tag
+	                                        from import_niagara_tag
+	                                        group by device_building_tag, device_floor_tag
+                                        ) AS tag
+                                        LEFT JOIN floor f
+                                        ON tag.device_building_tag = f.building_tag and tag.device_floor_tag = f.full_name and f.deleted = 0
+                                        WHERE f.building_tag IS NULL;");
+                        result = (await conn.QueryAsync<NiagaraTags>(sb.ToString())).ToList<NiagaraTags>();
+                        #endregion
+
+                        sb.Clear();
+                        #region insert floor
+                        if (result.Count > 0)
+                        {
+                            Dictionary<string, int> floorPriority = new Dictionary<string, int>();
+                            foreach (var data in result)
+                            {
+                                FloorPriority fp = (await conn.QueryAsync<FloorPriority>($@"select building_tag, max(priority) as priority from floor 
+                                            where building_tag = '{data.device_building_tag}' and deleted = 0 group by building_tag;")).FirstOrDefault();
+                                int priority = 0;
+
+                                if (fp == null && floorPriority.GetValueOrDefault(data.device_building_tag) == 0)
+                                    floorPriority.Add(data.device_building_tag, 0);
+                                else if (fp != null && floorPriority.GetValueOrDefault(fp.building_tag) == 0)
+                                    floorPriority.Add(fp.building_tag, fp.Priority);
+
+                                priority = ++floorPriority[data.device_building_tag];
+                                
+                                sb.Append($@"insert into floor(floor_guid, building_tag, deleted, status, full_name, priority, created_by, created_at)
+                                    VALUES (uuid(), '{data.device_building_tag}', 0, 1, '{data.device_floor_tag}', {priority}, 'B43E3CA7-96DD-4FC7-B6E6-974ACC3B0878', now());");
+                            }
+                            if (sb.Length > 0)
+                            {
+                                await conn.ExecuteAsync(sb.ToString());
+                                sb.Clear();
+                            }
+                        }
+                        #endregion
+
+                        #region update unuse floor with niagara data
+                        var floor = (await conn.QueryAsync<BuildFloor>($@"select f1.*
+                                                from floor as f1
+                                                left join (
+	                                                select f.floor_guid
+	                                                from (
+		                                                select  device_building_tag, device_floor_tag
+		                                                from import_niagara_tag
+		                                                group by device_building_tag, device_floor_tag
+	                                                ) AS tag
+	                                                LEFT JOIN floor f
+	                                                ON tag.device_building_tag = f.building_tag and tag.device_floor_tag = f.full_name and f.deleted = 0
+                                                ) as f2 on f1.floor_guid = f2.floor_guid
+                                                where f2.floor_guid is null and f1.deleted = 0;")).ToList<BuildFloor>();
+
+                        if (floor.Count > 0)
+                        {
+                            sb.Clear();
+                            foreach (var f in floor)
+                            {
+                                sb.Append($"update floor set deleted = 1 where floor_guid = '{f.Floor_guid}';");
+                            }
+
+                            await conn.ExecuteAsync(sb.ToString());
+                        }
+                        #endregion
+                    }
+                    catch (Exception exception)
+                    {
+                        throw exception;
+                    }
+                    finally
+                    {
+                        conn.Close();
+                    }
+                }
+            }
+        }
     }
 }
diff --git a/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs b/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
index a535158..cc583ef 100644
--- a/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
+++ b/Repository/BackendRepository/Interface/INiagaraDataSynchronizeRepository.cs
@@ -70,6 +70,16 @@ namespace Repository.BackendRepository.Interface
         /// </summary>
         /// <returns></returns>
         Task InsertSubSystemFloor();
+        /// <summary>
+        /// compare deviceDisaster
+        /// </summary>
+        /// <param name="dv"></param>
+        /// <returns></returns>
         Task DeviceDisasterAysnc(List<Device_value_disaster> dv);
+        /// <summary>
+        /// insert to floor
+        /// </summary>
+        /// <returns></returns>
+        Task InsertFloor();
     }
 }
diff --git a/Repository/Models/BuildModel.cs b/Repository/Models/BuildModel.cs
index 92f2a70..b67431c 100644
--- a/Repository/Models/BuildModel.cs
+++ b/Repository/Models/BuildModel.cs
@@ -64,6 +64,8 @@ namespace Repository.Models
     public class FloorPriority
     {
         public string Floor_guid { get; set; }  //樓層GUID
+        public string building_tag { get; set; }
+        public string full_name { get; set; }
         public int Priority { get; set; }
     }
 }