Merge branch 'feat-hjj-CastWork#' into dev

pkg/service/bundle/bundleMetrics.go

@@ -125,8 +125,8 @@ func MetricsBundlePurchaseExport(ctx *gin.Context) {
 		}
 
 		// 应用样式到合计区域（包括标题行和数值行）
-		startCell := fmt.Sprintf("A%d", endRow)
-		endCell := fmt.Sprintf("C%d", endRow+1)
+		startCell := fmt.Sprintf("A%d", endRow+1)
+		endCell := fmt.Sprintf("C%d", endRow+2)
 		if err := f.SetCellStyle(sheet, startCell, endCell, borderStyle); err != nil {
 			fmt.Println("设置边框样式失败:", err)
 		}