diff --git a/FrontendWebApi/ApiControllers/AlertController.cs b/FrontendWebApi/ApiControllers/AlertController.cs
index 5f752fa..1264492 100644
--- a/FrontendWebApi/ApiControllers/AlertController.cs
+++ b/FrontendWebApi/ApiControllers/AlertController.cs
@@ -113,7 +113,7 @@ namespace FrontendWebApi.ApiControllers
                 foreach (var a in alerts)
                 {
                     var sqlString = $@"select formId from operation_record where error_code = @error_code";
-                    var formId = backendRepository.GetOneAsync<string>(sqlString, new { @error_code = a.error_code });
+                    var formId = backendRepository.GetOneAsync<string>(sqlString, new { @error_code = a.uuid });
                     RowPosition += 1;
                     row = sheet.CreateRow(RowPosition);
                     for (var i = 0; i < 8; i++)
@@ -121,11 +121,11 @@ namespace FrontendWebApi.ApiControllers
                         cell = row.CreateCell(i);
                         if (i == 0)
                         {
-                            cell.SetCellValue(a.building_tag + a.floor_tag);
+                            cell.SetCellValue(a.buildingFloorName);
                         }
                         if (i == 1)
                         {
-                            cell.SetCellValue(a.error_code);
+                            cell.SetCellValue(a.uuid);
                         }
                         if (i == 2)
                         {
@@ -133,19 +133,19 @@ namespace FrontendWebApi.ApiControllers
                         }
                         if (i == 3)
                         {
-                            cell.SetCellValue(a.error_type);
+                            cell.SetCellValue(a.alarmClass);
                         }
                         if (i == 4)
                         {
-                            cell.SetCellValue(a.device_number);
+                            cell.SetCellValue(a.sourceName_zh);
                         }
                         if (i == 5)
                         {
-                            cell.SetCellValue(a.error_reason);
+                            cell.SetCellValue(a.msgText);
                         }
                         if (i == 6)
                         {
-                            cell.SetCellValue(a.ACKconfirm);
+                            cell.SetCellValue(a.ackState_zh);
                         }
                         if (i == 7)
                         {
@@ -178,8 +178,8 @@ namespace FrontendWebApi.ApiControllers
                 {
                     foreach(var a in alerts)
                     {
-                        var sqlString = $@"select * from operation_record where error_code = @error_code";
-                        var formId = await backendRepository.GetOneAsync<string>(sqlString, new { @error_code = a.error_code });
+                        var sqlString = $@"select formId from operation_record where error_code = @error_code";
+                        var formId = await backendRepository.GetOneAsync<string>(sqlString, new { @error_code = a.uuid });
                         a.formId = formId;
                     }
                 }
diff --git a/FrontendWebApi/Models/Alert.cs b/FrontendWebApi/Models/Alert.cs
index b287da2..d09c89c 100644
--- a/FrontendWebApi/Models/Alert.cs
+++ b/FrontendWebApi/Models/Alert.cs
@@ -1,14 +1,32 @@
-namespace FrontendWebApi.Models
+using System;
+using System.Collections.Generic;
+
+namespace FrontendWebApi.Models
 {
-    public class Alert : Actor
+    public class Alert
     {
-        public string building_tag { get; set; }
-        public string floor_tag { get; set; }
-        public string error_code { get; set; }
-        public string error_type { get; set; }
-        public string device_number { get; set; }
-        public string error_reason { get; set; }
-        public string ACKconfirm { get; set; }
+        public string buildingFloorName { get; set; } //building_name and floor_name
+        public string uuid { get; set; } //error_code
+        public string alarmClass { get; set; } //error_type
+        public string msgText { get; set; } //error_reason
+        public string sourceName_zh { get; set; } //device_number
+        public string ackState { get; set; } //ACKconfirm: Acked/Unacked
+        public DateTime timestamp { get; set; }//發生時間 occur time
         public string formId { get; set; }
+        public string ackState_zh
+        {
+            get
+            {
+                Dictionary<string, string> name = new Dictionary<string, string>()
+                {
+                    { "Acked" , "確認" },
+                    { "Unacked" , "未確認" }
+                };
+                return name[ackState];
+            }
+        }
+
+        public string created_at { get { return timestamp.ToString(); } set { } }
+        public string Created_at { get { return Convert.ToDateTime(created_at).ToString("yyyy-MM-dd HH:mm:ss"); } set { created_at = value; } } //發生時間顯示
     }
 }