diff --git a/Controllers/ApiController.cs b/Controllers/ApiController.cs
index 419b8390..26814151 100644
--- a/Controllers/ApiController.cs
+++ b/Controllers/ApiController.cs
@@ -361,7 +361,31 @@ namespace QuotationMaker.Controllers
                 //sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(editIndex, editIndex + rowCount, 0, 0));
                 sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(editIndex, editIndex, 1, 6));
 
+               
+              
+
                 row = (XSSFRow)sheet.GetRow(editIndex);
+
+                //主項目儲存格背景色設定
+                byte r = (byte)220;
+                byte g = (byte)220;
+                byte b = (byte)220;
+
+                ICellStyle greyStyle1 = row.Cells[0].CellStyle;
+                greyStyle1.FillForegroundColor = IndexedColors.Grey25Percent.Index;
+                greyStyle1.FillForegroundColor = 0;
+                ((XSSFColor)greyStyle1.FillForegroundColorColor).SetRgb(new byte[] { r, g, b });
+                greyStyle1.FillPattern = FillPattern.SolidForeground;
+                
+                ICellStyle greyStyle2 = row.Cells[1].CellStyle;
+                greyStyle2.FillForegroundColor = IndexedColors.Grey25Percent.Index;
+                greyStyle2.FillForegroundColor = 0;
+                ((XSSFColor)greyStyle2.FillForegroundColorColor).SetRgb(new byte[] { r, g, b });
+                greyStyle2.FillPattern = FillPattern.SolidForeground;
+
+                row.Cells[0].CellStyle = greyStyle1;
+                row.Cells[1].CellStyle = greyStyle2;
+
                 row.Cells[0].SetCellValue(itemNumber);
                 row.Cells[1].SetCellValue(objMain.quotationMainItem_name);