diff --git a/src/modules/overseas-warehouse/views/WarehouseServiceView.vue b/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
index 81691bf..773e3f9 100644
--- a/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
+++ b/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
@@ -1432,7 +1432,11 @@ async function loadTransferInventoryCandidates(warehouseId: string) {
   if (!warehouseId) return
   relabelCandidatesLoading.value = true
   try {
-    transferInventoryCandidates.value = await listRelabelInventoryCandidates(warehouseId)
+    // 共用接口包含退货历史及占用中的箱子，转运只展示当前可整箱使用的来源。
+    transferInventoryCandidates.value = (await listRelabelInventoryCandidates(warehouseId)).filter(item =>
+      item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL'
+        ? Number(item.cartonAvailablePackages || 0) > 0
+        : Number(item.availablePackages || 0) > 0)
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '当前海外仓库存来源加载失败')
   } finally { relabelCandidatesLoading.value = false }
@@ -1483,12 +1487,18 @@ async function resubmitRejectedRelabel() {
 const transferInventoryOptions = computed(() => {
   const grouped = new Map<string, { value: string; label: string; packages: number }>()
   for (const item of transferInventoryCandidates.value) {
-    const value = String(item.inboundCode || '')
+    // 退货库存没有普通入仓码，使用带前缀的退货来源编码，避免提交时被当作普通入仓单查询。
+    const returnNo = String(item.inboundOrderNo || '').trim()
+    const value = item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL'
+      ? (returnNo ? `RETURN_ORDER:${returnNo}` : '')
+      : String(item.inboundCode || '')
     if (!value) continue
-    const packages = inventoryQuantity(item.availablePackages)
+    const packages = item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL'
+      ? inventoryQuantity(item.cartonAvailablePackages || 0)
+      : inventoryQuantity(item.availablePackages)
     const current = grouped.get(value)
     if (current) current.packages += packages
-    else grouped.set(value, { value, label: `${item.inboundOrderNo || value}｜${value}`, packages })
+    else grouped.set(value, { value, label: value.startsWith('RETURN_ORDER:') ? `退货单｜${returnNo}` : `${item.inboundOrderNo || value}｜${value}`, packages })
   }
   return [...grouped.values()]
 })
@@ -1505,17 +1515,26 @@ async function selectTransferInventory(value: string) {
   // here: merchants are not authorized for that endpoint (A0403), and the
   // transfer service can derive source orders from inboundCode when IDs are
   // omitted. Aggregate candidates for the selected inbound into cargo rows.
-  const candidates = transferInventoryCandidates.value.filter((item) => String(item.inboundCode || '') === value)
+  const isReturnSource = value.startsWith('RETURN_ORDER:')
+  const returnNo = isReturnSource ? value.slice('RETURN_ORDER:'.length) : ''
+  const candidates = transferInventoryCandidates.value.filter((item) => isReturnSource
+    ? (item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL') && String(item.inboundOrderNo || '') === returnNo
+    : String(item.inboundCode || '') === value)
   const grouped = new Map<string, CargoRow>()
   for (const candidate of candidates) {
-    const sku = String(candidate.skuCode || '')
-    const current = grouped.get(sku)
-    const quantity = inventoryQuantity(candidate.availablePackages)
-    if (current) { current.quantity += quantity; current.expectedPackageCount = Number(current.expectedPackageCount || 0) + quantity }
-    else grouped.set(sku, { ...createCargoRow(), sku, name: candidate.productNameZh || '', quantity, expectedPackageCount: quantity, availableQuantity: quantity })
+    const candidateRows = isReturnSource
+      ? (candidate.cartonSkuItems?.length ? candidate.cartonSkuItems : candidate.skuItems || []).map(item => ({ sku: item.skuCode, name: candidate.productNameZh || '', quantity: inventoryQuantity(item.quantity), packageCount: inventoryQuantity(candidate.cartonAvailablePackages || 0) }))
+      : [{ sku: String(candidate.skuCode || ''), name: candidate.productNameZh || '', quantity: inventoryQuantity(candidate.availablePackages), packageCount: inventoryQuantity(candidate.availablePackages) }]
+    for (const row of candidateRows) {
+      if (!row.sku) continue
+      const current = grouped.get(row.sku)
+      if (current) { current.quantity += row.quantity; current.expectedPackageCount = Number(current.expectedPackageCount || 0) + row.packageCount; current.availableQuantity = Number(current.availableQuantity || 0) + row.quantity }
+      else grouped.set(row.sku, { ...createCargoRow(), sku: row.sku, name: row.name, quantity: row.quantity, expectedPackageCount: row.packageCount, availableQuantity: row.quantity })
+    }
   }
   cargoRows.value = [...grouped.values()]
   try {
+    if (isReturnSource) return
     const historical = await listRelabelHistoricalOrders(form.warehouse, value)
     const sourceIds = historical.map((item) => String(item.id || '')).filter(Boolean)
     if (selectedTransferInventory.value === value) selectedTransferSourceOrderIds.value = sourceIds
diff --git a/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs b/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
index 6025146..cf0d64a 100644
--- a/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
+++ b/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
@@ -39,3 +39,24 @@ test('inventory view hides inbound fields and editing actions and shows original
   assert.match(view,/!inventoryTransfer\.value && \(!form.warehouse/)
   assert.match(view,/estimatedArrivalAt: inventoryTransfer.value \? undefined : form.estimatedArrivalAt/)
 })
+
+test('仓储转运来源下拉包含退货单并使用独立来源编码', () => {
+  assert.match(view, /RETURN_ORDER:\$\{returnNo\}/)
+  assert.match(view, /退货单｜\$\{returnNo\}/)
+  assert.match(view, /item\.sourceType === 'RETURN_CARTON' \|\| item\.sourceType === 'RETURN_PARCEL'/)
+  assert.match(view, /isReturnSource[\s\S]*item\.sourceType === 'RETURN_CARTON'/)
+})
+
+test('退货来源带出实物 SKU 数量并跳过普通历史订单查询', async () => {
+  const { ctx, select } = setup()
+  ctx.transferInventoryCandidates.value = [{ sourceType: 'RETURN_CARTON', inboundOrderNo: 'RET-1',
+    cartonAvailablePackages: 1, skuItems: [{ skuCode: 'SKU', quantity: 1 }],
+    cartonSkuItems: [{ skuCode: 'SKU', quantity: 6 }] },
+    { sourceType: 'RETURN_CARTON', inboundOrderNo: 'OTHER', cartonAvailablePackages: 1,
+      cartonSkuItems: [{ skuCode: 'FOREIGN', quantity: 99 }] }]
+  await select('RETURN_ORDER:RET-1')
+  assert.equal(ctx.cargoRows.value.length, 1)
+  assert.equal(ctx.cargoRows.value[0].quantity, 6)
+  assert.equal(ctx.cargoRows.value[0].expectedPackageCount, 1)
+  assert.deepEqual(ctx.selectedTransferSourceOrderIds.value, [])
+})
diff --git a/src/modules/overseas-warehouse/views/warehouseTransferForm.test.mjs b/src/modules/overseas-warehouse/views/warehouseTransferForm.test.mjs
index 9b67d49..6892ed3 100644
--- a/src/modules/overseas-warehouse/views/warehouseTransferForm.test.mjs
+++ b/src/modules/overseas-warehouse/views/warehouseTransferForm.test.mjs
@@ -341,7 +341,7 @@ test('仓储转运可在新建页直接提交，也可保存草稿后编辑提
 test('编辑仓储转运时加载库存转运来源候选', () => {
   assert.match(view, /async function loadTransferInventoryCandidates\(warehouseId: string\)/)
   assert.match(view, /if \(props\.service === 'transfer' && form\.warehouse\) \{[\s\S]*await loadTransferInventoryCandidates\(form\.warehouse\)/)
-  assert.match(view, /transferInventoryCandidates\.value = await listRelabelInventoryCandidates\(warehouseId\)/)
+  assert.match(view, /transferInventoryCandidates\.value = \(await listRelabelInventoryCandidates\(warehouseId\)\)\.filter/)
   assert.match(view, /transferInventoryOptions\.value\.some\(\(option\) => option\.value === sourceInboundCode\)/)
   assert.match(view, /selectedTransferInventory\.value = sourceInboundCode/)
   assert.match(view, /detail\.sourceOrders \|\| \[\]/)