diff --git a/KellyReport_D.csproj b/KellyReport_D.csproj
index cb2fa5f..32343c0 100644
--- a/KellyReport_D.csproj
+++ b/KellyReport_D.csproj
@@ -34,7 +34,7 @@
     <PublishUrl>publish\</PublishUrl>
     <InstallUrl />
     <TargetCulture>zh-chs</TargetCulture>
-    <ApplicationVersion>1.0.0.2</ApplicationVersion>
+    <ApplicationVersion>1.0.0.4</ApplicationVersion>
     <AutoIncrementApplicationRevision>true</AutoIncrementApplicationRevision>
     <UpdateEnabled>true</UpdateEnabled>
     <UpdateInterval>7</UpdateInterval>
diff --git a/Utils/WorkBookUtils.cs b/Utils/WorkBookUtils.cs
index 556ca51..0c279a3 100644
--- a/Utils/WorkBookUtils.cs
+++ b/Utils/WorkBookUtils.cs
@@ -38,6 +38,9 @@ namespace KellyReport_D.Utils
 
             // 更新业务预估表
             UpdateEstimatedTable(importContext);
+            UpdateDeptartmentSummary(importContext);
+
+            GenProductSummarySheet(importContext);
         }
 
         private static void UpdateEstimatedTable(ImportContext importContext)
@@ -523,9 +526,9 @@ namespace KellyReport_D.Utils
                     {
                         SalesName = rawSalesDetailData[i, 1]?.ToString() ?? "UNKNOWN",
                         Month = rawSalesDetailData[i, 2]?.ToString() ?? "",
-                        InvoiceDate = rawSalesDetailData[i, 3] is double invoiceDate ? DateTime.FromOADate(invoiceDate) : (DateTime?)null,
+                        DeliveryDate = rawSalesDetailData[i, 3] is double invoiceDate ? DateTime.FromOADate(invoiceDate) : (DateTime?)null,
                         OrderNumber = rawSalesDetailData[i, 4]?.ToString() ?? "",
-                        DeliveryDate = rawSalesDetailData[i, 5] is double deliveryDate ? DateTime.FromOADate(deliveryDate) : (DateTime?)null,
+                        InvoiceDate = rawSalesDetailData[i, 5] != null ? DateTime.Parse(rawSalesDetailData[i, 5]?.ToString()) : (DateTime?)null,
                         InvoiceNumber = rawSalesDetailData[i, 6]?.ToString() ?? "",
                         ClientName = rawSalesDetailData[i, 7]?.ToString() ?? "",
                         ProductNameEN = rawSalesDetailData[i, 8]?.ToString() ?? "",
@@ -562,7 +565,7 @@ namespace KellyReport_D.Utils
             return null;
         }
 
-        public static async void GenForecast(System.Windows.Forms.Button button)
+        public static void GenForecast(System.Windows.Forms.Button button)
         {
             String originLabel = button.Text;
             if (button != null)
@@ -580,7 +583,8 @@ namespace KellyReport_D.Utils
                 // 获取「銷售年度預估」工作表
                 ReadSalesForecastData(context);
                 // 获取「產品年度預估」工作表
-                ReadProductForecastData(context);
+                //ReadProductForecastData(context);
+                GenDepartmentSummary(context);
 
                 GenBussenessSheet(context);
             }
@@ -839,5 +843,306 @@ namespace KellyReport_D.Utils
             context.SalesForecastList = salesForecastInputList;
             context.MonthData = monthData;
         }
+
+        public static void GenProductSummarySheet(ImportContext context)
+        {
+            var app = context.Application;
+
+            string sheetName = $"產品年度預估";
+            Worksheet productSheet = CreateSheetIfNotExisted(app, sheetName);
+            productSheet.Activate();
+
+            var yearList = context.SalesDetails
+                    .Where(x => x.InvoiceDate.HasValue)
+                    .Select(x => x.InvoiceDate.Value.Year)
+                    .Distinct()
+                    .ToList();
+
+            yearList.ForEach(yearNumber =>
+            {
+                Range usedRange = productSheet.UsedRange;
+
+                Range turnOverRange = usedRange.Find(What: $"{yearNumber}-Turnover", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+                if (turnOverRange == null)
+                {
+                    Range estimateRange = usedRange.Find(What: $"{yearNumber}-Estimate", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                    int insertCol = 2;
+                    if (estimateRange != null)
+                    {
+                        insertCol = estimateRange.Column;
+                    }
+
+                    Range insertRange = productSheet.Columns[$"{GetColumnLetter(insertCol)}:{GetColumnLetter(insertCol + 5)}"];
+                    insertRange.EntireColumn.Insert(XlInsertShiftDirection.xlShiftToRight);
+                    insertRange = productSheet.Columns[$"{GetColumnLetter(insertCol)}:{GetColumnLetter(insertCol + 5)}"];
+                    insertRange.ClearFormats();
+
+                    productSheet.Cells[1, insertCol].Value2 = $"{yearNumber}-Turnover";
+
+                    productSheet.Cells[2, insertCol].Value2 = "數量";
+                    productSheet.Cells[2, insertCol + 1].Value2 = "金額(含稅)";
+                    productSheet.Cells[2, insertCol + 2].Value2 = "金額(未稅)";
+                    productSheet.Cells[2, insertCol + 3].Value2 = "平均單價";
+                    productSheet.Cells[2, insertCol + 4].Value2 = "成長率";
+                    var growthRange = productSheet.Range[
+                        productSheet.Cells[2, insertCol + 4],
+                        productSheet.Cells[2, insertCol + 5]
+                    ];
+                    growthRange.Merge();
+
+                    turnOverRange = productSheet.Range[
+                        productSheet.Cells[1, insertCol],
+                        productSheet.Cells[1, insertCol + 5]
+                    ];
+                    turnOverRange.Merge();
+                }
+
+                var productSalesList = context.SalesDetails
+                        .Where(x => x.InvoiceDate.HasValue && x.InvoiceDate.Value.Year == yearNumber)
+                        .GroupBy(x => x.ProductNameEN)
+                        .Select(grouped => new ImportContext.GroupedSalesDetailModel()
+                        {
+                            ProductNameEN = grouped.Key,
+                            Quantity = grouped.Sum(x => x.Quantity ?? 0),
+                            TotalAmount = grouped.Sum(x => x.TotalAmount ?? 0),
+                            Details = grouped.ToList()
+                        })
+                        .ToList();
+
+                Range totalRange = usedRange.Find(What: $"總計", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                int totalRowCount = usedRange.Rows.Count + 1;
+                if (totalRange != null)
+                {
+                    totalRowCount = totalRange.Row;
+                }
+
+                int startColIndex = turnOverRange.Column;
+                var quantityColLetter = GetColumnLetter(startColIndex);
+                var amountColLetter = GetColumnLetter(startColIndex + 1);
+                var amountNoTaxColLetter = GetColumnLetter(startColIndex + 2);
+                var prevQuantityColLetter = GetColumnLetter(startColIndex + 6);
+                var prevAmountColLetter = GetColumnLetter(startColIndex + 7);
+                var prevAmountNoTaxColLetter = GetColumnLetter(startColIndex + 8);
+
+                foreach (var productSalesSummary in productSalesList)
+                {
+                    var curProductName = productSalesSummary.ProductNameEN;
+                    // look for the product row
+                    // if not exists then create a new row
+                    Range productRange = usedRange.Find(
+                        What: curProductName,
+                        LookIn: XlFindLookIn.xlValues,
+                        LookAt: XlLookAt.xlWhole,
+                        SearchOrder: XlSearchOrder.xlByRows,
+                        SearchDirection: XlSearchDirection.xlNext,
+                        MatchCase: false
+                    );
+
+                    if (productRange == null)
+                    {
+                        productSheet.Rows[totalRowCount].Insert();
+                        productSheet.Cells[totalRowCount, 1].Value2 = curProductName;
+                        productRange = productSheet.Cells[totalRowCount, 1];
+
+                        totalRowCount += 1;
+                    }
+
+                    int curRowIndex = productRange.Row;
+
+                    productSheet.Cells[curRowIndex, startColIndex].Value2 = productSalesSummary.Quantity;
+                    productSheet.Cells[curRowIndex, startColIndex + 1].Value2 = productSalesSummary.TotalAmount;
+                    productSheet.Cells[curRowIndex, startColIndex + 2].formula = $"={amountColLetter}{curRowIndex}/1.13";
+                    productSheet.Cells[curRowIndex, startColIndex + 3].formula = $"={amountColLetter}{curRowIndex}/${quantityColLetter}{curRowIndex}";
+
+                    productSheet.Cells[curRowIndex, startColIndex + 4].formula = $"={quantityColLetter}{curRowIndex}/${prevQuantityColLetter}{curRowIndex}";
+                    productSheet.Cells[curRowIndex, startColIndex + 5].formula = $"={amountColLetter}{curRowIndex}/${prevAmountColLetter}{curRowIndex}";
+
+                    productSheet.Cells[curRowIndex, startColIndex + 4].NumberFormat = "0.00%";
+                    productSheet.Cells[curRowIndex, startColIndex + 5].NumberFormat = "0.00%";
+                }
+
+                productSheet.Cells[totalRowCount, 1].Value2 = "總計";
+                productSheet.Cells[totalRowCount, startColIndex].formula = $"=SUM({quantityColLetter}5:{quantityColLetter}{totalRowCount - 1})";
+                productSheet.Cells[totalRowCount, startColIndex + 1].formula = $"=SUM({amountColLetter}5:{amountColLetter}{totalRowCount - 1})";
+                productSheet.Cells[totalRowCount, startColIndex + 2].formula = $"=SUM({amountNoTaxColLetter}5:{amountNoTaxColLetter}{totalRowCount - 1})";
+
+                productSheet.Cells[totalRowCount + 1, 1].Value2 = "備註";
+                productSheet.Cells[totalRowCount + 1, startColIndex].formula = $"={quantityColLetter}{totalRowCount}/{prevQuantityColLetter}{totalRowCount}";
+                productSheet.Cells[totalRowCount + 1, startColIndex + 1].formula = $"={amountColLetter}{totalRowCount}/{prevAmountColLetter}{totalRowCount}";
+                productSheet.Cells[totalRowCount + 1, startColIndex + 2].formula = $"={amountNoTaxColLetter}{totalRowCount}/{prevAmountNoTaxColLetter}{totalRowCount}";
+
+                productSheet.Cells[totalRowCount + 1, startColIndex].NumberFormat = "0.00%";
+                productSheet.Cells[totalRowCount + 1, startColIndex + 1].NumberFormat = "0.00%";
+                productSheet.Cells[totalRowCount + 1, startColIndex + 2].NumberFormat = "0.00%";
+            });
+
+            FormatSheetStyle(productSheet);
+        }
+
+        public static void GenDepartmentSummary(GenForecaseContext context)
+        {
+            var app = context.Application;
+
+            string sheetName = $"部门统计";
+            Worksheet deptSheet = CreateSheetIfNotExisted(app, sheetName);
+            deptSheet.Activate();
+
+            deptSheet.Cells[1, 1].Value2 = "鈞全";
+            deptSheet.Range[deptSheet.Cells[1, 1], deptSheet.Cells[2, 1]].Merge();
+
+            var yearList = context.SalesForecastList
+                    .Select(x => x.Year)
+                    .Distinct()
+                    .ToList();
+
+            Range initUsedRange = deptSheet.UsedRange;
+
+            Range totalRange = initUsedRange.Find(What: $"Total", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+            int totalRowIndex = initUsedRange.Rows.Count + 1;
+            if (totalRange != null)
+            {
+                totalRowIndex = totalRange.Row;
+            }
+
+            yearList.ForEach(yearNumber =>
+            {
+                Range curYearRange = deptSheet.UsedRange.Find(What: $"{yearNumber}", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                int startCol = deptSheet.UsedRange.Column + 1;
+                if (curYearRange != null)
+                {
+                    startCol = curYearRange.Column;
+                }
+
+                var startColLetter = GetColumnLetter(startCol);
+                var endColLetter = GetColumnLetter(startCol + 3);
+
+                Range prevYearRange = deptSheet.UsedRange.Find(What: $"{yearNumber - 1}", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+                int prevStartCol = 0;
+                string prevForecastColLetter = "";
+                string prevTurnoverColLetter = "";
+                if (prevYearRange != null)
+                {
+                    prevStartCol = prevYearRange.Column;
+                    prevForecastColLetter = GetColumnLetter(prevStartCol);
+                    prevTurnoverColLetter = GetColumnLetter(prevStartCol + 1);
+                }
+
+                deptSheet.Range[$"{startColLetter}:{endColLetter}"]
+                    .EntireColumn
+                    .Insert(XlInsertShiftDirection.xlShiftToRight);
+
+                deptSheet.Cells[1, 2].Value2 = $"{yearNumber}";
+                deptSheet.Range[deptSheet.Cells[1, startCol], deptSheet.Cells[1, startCol + 3]].Merge();
+
+                deptSheet.Cells[2, startCol].Value2 = "Forecast";
+                deptSheet.Cells[2, startCol + 1].Value2 = "Turnover";
+                deptSheet.Cells[2, startCol + 2].Value2 = "成長率";
+                deptSheet.Cells[2, startCol + 3].Value2 = "達成率";
+
+                var forcastColLetter = startColLetter;
+                var turnoverColLetter = GetColumnLetter(startCol + 1);
+                foreach (var salesForecast in context.SalesForecastList.Where(x => x.Name.ToUpper() != "TOTAL"))
+                {
+                    var salesName = salesForecast.Name;
+                    Range curUsedRange = deptSheet.UsedRange;
+
+                    Range salesNameRange = curUsedRange.Find(What: $"{salesName}", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                    if (salesNameRange == null)
+                    {
+                        deptSheet.Rows[totalRowIndex].Insert();
+                        deptSheet.Cells[curUsedRange.Rows.Count + 1, 1].Value2 = salesName;
+
+                        salesNameRange = deptSheet.Cells[curUsedRange.Rows.Count + 1, 1];
+                        totalRowIndex++;
+                    }
+
+                    deptSheet.Cells[salesNameRange.Row, startCol].Value2 = salesForecast.Total;
+                    if (prevYearRange != null)
+                    {
+                        deptSheet.Cells[salesNameRange.Row, startCol + 2].formula = $"=SUM({forcastColLetter}{salesNameRange.Row} - {prevTurnoverColLetter}{salesNameRange.Row})/{forcastColLetter}{salesNameRange.Row}";
+                        deptSheet.Cells[salesNameRange.Row, startCol + 2].NumberFormat = "0.00%";
+                    }
+                    deptSheet.Cells[salesNameRange.Row, startCol + 3].formula = $"={turnoverColLetter}{salesNameRange.Row}/{forcastColLetter}{salesNameRange.Row}";
+                    deptSheet.Cells[salesNameRange.Row, startCol + 3].NumberFormat = "0.00%";
+                }
+
+                deptSheet.Cells[totalRowIndex, 1].Value2 = "Total";
+                deptSheet.Cells[totalRowIndex, startCol].formula = $"=SUM({forcastColLetter}3:{forcastColLetter}{totalRowIndex - 1})";
+                deptSheet.Cells[totalRowIndex, startCol + 1].formula = $"=SUM({turnoverColLetter}3:{turnoverColLetter}{totalRowIndex - 1})";
+
+                if (prevYearRange != null)
+                {
+                    deptSheet.Cells[totalRowIndex, startCol + 2].formula = $"=SUM({forcastColLetter}{totalRowIndex} - {prevTurnoverColLetter}{totalRowIndex})/{forcastColLetter}{totalRowIndex}";
+                    deptSheet.Cells[totalRowIndex, startCol + 2].NumberFormat = "0.00%";
+                }
+                deptSheet.Cells[totalRowIndex, startCol + 3].formula = $"={turnoverColLetter}{totalRowIndex}/{forcastColLetter}{totalRowIndex}";
+                deptSheet.Cells[totalRowIndex, startCol + 3].NumberFormat = "0.00%";
+            });
+
+            FormatSheetStyle(deptSheet);
+        }
+
+        public static void UpdateDeptartmentSummary(ImportContext context)
+        {
+            var app = context.Application;
+
+            string sheetName = $"部门统计";
+            Worksheet deptSheet = CreateSheetIfNotExisted(app, sheetName);
+            deptSheet.Activate();
+
+            var yearList = context.SalesDetails.Where(x => x.InvoiceDate.HasValue).Select(x => x.InvoiceDate.Value.Year).Distinct().ToList();
+
+            yearList.ForEach(yearoNumber =>
+            {
+                Range yearRange = deptSheet.UsedRange.Find(What: $"{yearoNumber}", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                if (yearRange == null)
+                {
+                    Console.WriteLine("Cannot find year column in department summary: {0}", yearoNumber);
+                    return;
+                }
+
+                var startCol = yearRange.Column;
+                var startColLetter = GetColumnLetter(startCol);
+                var turnoverColLetter = GetColumnLetter(startCol + 1);
+
+                Range totalRange = deptSheet.UsedRange.Find(What: $"Total", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+                int totalRowIndex = deptSheet.UsedRange.Rows.Count + 1;
+                if (totalRange != null)
+                {
+                    totalRowIndex = totalRange.Row;
+                }
+
+                var salesDetails = context.SalesDetails
+                        .Where(x => x.InvoiceDate.HasValue && x.InvoiceDate.Value.Year == yearoNumber && x.SalesName.ToUpper() != "TOTAL")
+                        .GroupBy(x => x.SalesName)
+                        .Select(grouped => new
+                        {
+                            SalesName = grouped.Key,
+                            Turnover = grouped.Sum(x => x.TotalAmount ?? 0)
+                        })
+                        .ToList();
+
+                foreach (var salesDetail in salesDetails)
+                {
+                    var salesName = salesDetail.SalesName;
+                    Range curUsedRange = deptSheet.UsedRange;
+
+                    Range salesNameRange = curUsedRange.Find(What: $"{salesName}", LookIn: XlFindLookIn.xlValues, LookAt: XlLookAt.xlWhole, SearchOrder: XlSearchOrder.xlByRows, SearchDirection: XlSearchDirection.xlNext, MatchCase: false);
+
+                    if (salesNameRange != null)
+                    {
+                        deptSheet.Cells[salesNameRange.Row, startCol + 1].Value2 = salesDetail.Turnover;
+                    }
+                }
+
+                deptSheet.Cells[totalRowIndex, startCol + 1].formula = $"=SUM({turnoverColLetter}3:{turnoverColLetter}{totalRowIndex - 1})";
+            });
+        }
     }
 }