diff --git a/furniture-3d-system/src/lib/non-integrated-sku-export.ts b/furniture-3d-system/src/lib/non-integrated-sku-export.ts
index f75a8af6..60a20baa 100644
--- a/furniture-3d-system/src/lib/non-integrated-sku-export.ts
+++ b/furniture-3d-system/src/lib/non-integrated-sku-export.ts
@@ -24,12 +24,15 @@ export type NonIntegratedSkuExportRow = {
   batchNo: string
   batchChangeType: string
   dingTalkFlowNo: string
-  rowNumber?: number
+}
+
+export type NonIntegratedSkuImportRow = NonIntegratedSkuExportRow & {
+  rowNumber: number
 }
 
 export function findSkuImportSpuPrefixErrors(
   rows: ReadonlyArray<
-    Pick<NonIntegratedSkuExportRow, 'skuCode'> & { rowNumber?: number }
+    Pick<NonIntegratedSkuImportRow, 'skuCode' | 'rowNumber'>
   >,
   spu: string,
 ) {
@@ -65,7 +68,7 @@ export type NonIntegratedSkuFuzzyImportRow = {
 export type NonIntegratedSkuWorkbookImport =
   | {
       mode: "standard"
-      rows: NonIntegratedSkuExportRow[]
+      rows: NonIntegratedSkuImportRow[]
       sheetName: string
     }
   | {
@@ -389,7 +392,7 @@ export async function parseNonIntegratedSkuWorkbook(
   if (missingLabels.length === 0) {
     const rows = sheetRows
       .slice(headerRowIndex + 1)
-      .map((row, index) => {
+      .map((row, index): NonIntegratedSkuImportRow => {
         const importRow = createEmptyImportRow()
         for (const column of NON_INTEGRATED_SKU_TEMPLATE_COLUMNS) {
           const cellIndex = headerIndexByLabel.get(column.label)
@@ -398,8 +401,7 @@ export async function parseNonIntegratedSkuWorkbook(
               ? ''
               : normalizeWorkbookCellValue(row[cellIndex])
         }
-        importRow.rowNumber = headerRowIndex + index + 2
-        return importRow
+        return { ...importRow, rowNumber: headerRowIndex + index + 2 }
       })
       .filter((row) =>
         NON_INTEGRATED_SKU_TEMPLATE_COLUMNS.some(