diff --git a/Services/ExcelExportService.cs b/Services/ExcelExportService.cs
index aff5bed..0a35358 100644
--- a/Services/ExcelExportService.cs
+++ b/Services/ExcelExportService.cs
@@ -60,7 +60,7 @@ namespace TabletTester2025.Services
         {
             var data = batches.ToList();
             var sheet = package.Workbook.Worksheets.Add("硬度报表");
-            WriteHeader(sheet, "检测时间", "样品名称", "平均值(N)", "RSD(%)", "最大值(N)", "最小值(N)", "测试次数", "内控下限(N)", "内控上限(N)", "判定");
+            WriteHeader(sheet, "检测时间", "样品名称", "平均值(N)", "RSD", "最大值(N)", "最小值(N)", "测试次数", "内控下限(N)", "内控上限(N)", "判定");
 
             if (data.Count == 0)
             {