diff --git a/src/views/erp/stock/out/components/StockOutItemForm.vue b/src/views/erp/stock/out/components/StockOutItemForm.vue
index e7c369c2..4be62c0b 100644
--- a/src/views/erp/stock/out/components/StockOutItemForm.vue
+++ b/src/views/erp/stock/out/components/StockOutItemForm.vue
@@ -526,6 +526,16 @@ const resolveStockOutCategoryType = (outType?: string) => {
 const activeCategoryType = computed(() => resolveStockOutCategoryType(props.outType))
 const isProductMaterialStockOut = computed(() => Boolean(activeCategoryType.value))
 const isProductStockOut = computed(() => activeCategoryType.value === 1)
+const getDefaultOutUsageType = () => {
+  if (isProductStockOut.value) return '4'
+  if (activeCategoryType.value === 2) return '5'
+  return undefined
+}
+const setDefaultOutUsageType = (row: any) => {
+  const defaultOutUsageType = getDefaultOutUsageType()
+  if (!defaultOutUsageType || row.outUsageType !== undefined && row.outUsageType !== null && row.outUsageType !== '') return
+  row.outUsageType = defaultOutUsageType
+}
 const isPurchaseUnitStockOut = computed(() => activeCategoryType.value === 2 || activeCategoryType.value === 3)
 const isSparePartStockOut = computed(() => activeCategoryType.value === 3)
 const showOutboundPurposeColumn = computed(() => isProductMaterialStockOut.value)
@@ -782,7 +792,7 @@ const handleAdd = () => {
     lockedStockCount: undefined,
     count: isProductMaterialStockOut.value ? undefined : 1,
     outMode: isProductStockOut.value ? 1 : undefined,
-    outUsageType: undefined,
+    outUsageType: getDefaultOutUsageType(),
     pallets: [],
     palletCode: undefined,
     repairId: undefined,
@@ -886,6 +896,7 @@ const normalizeRow = (row: any) => {
   if (row.outUsageType !== undefined && row.outUsageType !== null) {
     row.outUsageType = String(row.outUsageType)
   }
+  setDefaultOutUsageType(row)
   row.inputCount = row.inputCount ?? row.count
   if (isProductStockOut.value) {
     row.outMode = Number(row.outMode || 1)