diff --git a/FrontendWebApi/ApiControllers/TenantBillController.cs b/FrontendWebApi/ApiControllers/TenantBillController.cs
index f3954be..50dda76 100644
--- a/FrontendWebApi/ApiControllers/TenantBillController.cs
+++ b/FrontendWebApi/ApiControllers/TenantBillController.cs
@@ -401,7 +401,7 @@ namespace FrontendWebApi.ApiControllers
                 List<TenantBill> tenantBill = new List<TenantBill>();
                 try
                 {
-                    string sqlString = $@"select * from {TenantBilltable} WHERE tenant_guid= '{tb.tenant_guid}' and a.deleted = 0";
+                    string sqlString = $@"select * from {TenantBilltable} WHERE tenant_guid= '{tb.tenant_guid}' and deleted = 0";
 
                     tenantBill = await backendRepository.GetAllAsync<TenantBill>(sqlString);
                     if (tenantBill.Count > 1)
@@ -445,7 +445,7 @@ namespace FrontendWebApi.ApiControllers
 
             try
             {
-                string sqlString = $@"select * from {TenantBilltable} WHERE tenant_guid= '{tb.tenant_guid}' and a.deleted = 0";
+                string sqlString = $@"select * from {TenantBilltable} WHERE tenant_guid= '{tb.tenant_guid}' and deleted = 0";
 
                 tenantBill = await backendRepository.GetAllAsync<TenantBill>(sqlString);
                 foreach (TenantBill t in tenantBill)
@@ -507,21 +507,31 @@ namespace FrontendWebApi.ApiControllers
                 {
                     string sqlString =
                         $@"SELECT 
-                           a.tenant_name,
-                           MIN(NULLIF(a.start_timestamp, '')) AS start_timestamp,
-                           MAX(NULLIF(a.end_timestamp, '')) AS end_timestamp,
-                           bill_perKWH,
-                           bill_perRCV,
-                           SUM(CASE WHEN a.device_name_tag = 'E4' THEN result ELSE 0 END) AS elec_result,
-                           SUM(CASE WHEN a.device_name_tag = 'W1' THEN result ELSE 0 END) AS water_result,
-                           SUM(CASE WHEN a.device_name_tag = 'E4' THEN bill ELSE 0 END) AS elec_bill,
-                           SUM(CASE WHEN a.device_name_tag = 'W1' THEN bill ELSE 0 END) AS water_bill,
-                           SUM(bill) AS total_bill
-                       FROM archive_electric_meter_tenant_bill a
-                       JOIN archive_electric_meter_tenant_list b ON a.tenant_guid = b.tenant_guid 
-					   join device c on a.device_number = c.device_number 
-					   where {building_tag} 
-                       GROUP BY a.tenant_name;";
+                                tenant_name,
+                                start_timestamp,
+                                end_timestamp,
+                                bill_perKWH,
+                                bill_perRCV,
+                                elec_result,
+                                water_result,
+                                bill_perKWH * elec_result AS elec_bill,
+                                bill_perRCV * water_result AS water_bill,
+                                ROUND(bill_perKWH * elec_result + bill_perRCV * water_result) AS total_bill
+                            FROM (
+                                SELECT 
+                                    a.tenant_name,
+                                    MIN(NULLIF(a.start_timestamp, '')) AS start_timestamp,
+                                    MAX(NULLIF(a.end_timestamp, '')) AS end_timestamp,
+                                    bill_perKWH,
+                                    bill_perRCV,
+                                    SUM(CASE WHEN a.device_name_tag = 'E4' THEN result ELSE 0 END) AS elec_result,
+                                    SUM(CASE WHEN a.device_name_tag = 'W1' THEN result ELSE 0 END) AS water_result
+                                FROM archive_electric_meter_tenant_bill a
+                                JOIN archive_electric_meter_tenant_list b ON a.tenant_guid = b.tenant_guid 
+                                JOIN device c ON a.device_number = c.device_number 
+                                WHERE {building_tag} 
+                                GROUP BY a.tenant_name
+                            ) subquery_alias";
 
                     outputBill = await backendRepository.GetAllAsync<OutputBill>(sqlString);
                     string filePath = CreateOutputForm(outputBill);
@@ -660,6 +670,7 @@ namespace FrontendWebApi.ApiControllers
                         $"                    <td><strong>水費總計: </strong>{item.water_bill}元</td> " +
                         $"                </tr> " +
                         $"            </table> " +
+                        $"            <p style=\"font-size: larger; color: red; text-align: right; margin: 0; padding: 0;\"><strong>總計(費用)：各電/水量加總 * 單價</p> " +
                         $"        </div> " +
                         $"        <div class=\"total\"> " +
                         $"            <div class=\"total-area\"> " +