diff --git a/scripts/admin-test-env-modules/phase4-overseas-pda-operations-contract.test.mjs b/scripts/admin-test-env-modules/phase4-overseas-pda-operations-contract.test.mjs
index d55f9ff78..ffc75242a 100644
--- a/scripts/admin-test-env-modules/phase4-overseas-pda-operations-contract.test.mjs
+++ b/scripts/admin-test-env-modules/phase4-overseas-pda-operations-contract.test.mjs
@@ -50,6 +50,8 @@ test('P2 to P5 cover all frozen endpoints, replays and conflict boundaries witho
     'chargeAmount: 0.01', 'cartonMark:', 'fbaCartonMark:',
     'inventory-candidates', 'sourceInventoryBalanceId:', 'sourceInventoryPositionId:',
     'sourceInboundOrderId:', 'operationWarehouseId:', 'relabelItemForUnit', 'sourceLines.map',
+    'const packageCount = 1', 'oldLabel: item.cartonMark',
+    'newLabel: item.fbaCartonMark || item.newSkuCode',
     "operationType: changesCartonLabel ? 'CARTON_AND_SKU' : 'SKU_LABEL'", 'skuItems:',
     'P5换标费用冻结后开放PDA作业', 'P5换标完成后钱包结算收敛']) {
     assert.ok(source.includes(marker), marker)
diff --git a/scripts/admin-test-env-modules/phase4-overseas-pda-operations.mjs b/scripts/admin-test-env-modules/phase4-overseas-pda-operations.mjs
index 8f97160f2..88acd628c 100644
--- a/scripts/admin-test-env-modules/phase4-overseas-pda-operations.mjs
+++ b/scripts/admin-test-env-modules/phase4-overseas-pda-operations.mjs
@@ -364,7 +364,7 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
     if (!id(source?.inventoryBalanceId) || !id(source?.inboundOrderId)) continue
     for (const position of source?.positions || []) {
       if (!id(position?.positionId) || Number(position?.availablePackages) <= 0) continue
-      const packageCount = Math.min(requiredPackages, Number(position.availablePackages))
+      const packageCount = 1
       sourceLines.push({ source, position, packageCount })
       requiredPackages -= packageCount
       if (requiredPackages === 0) break
@@ -444,7 +444,8 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
     return false
   }
   const unitPath = `${pdaBase}/${encodeURIComponent(relabelNo)}/units`
-  const scanBody = { itemId: id(item.itemId), oldLabel: `${context.marker}-OLD-1`, newLabel: item.newSkuCode,
+  const scanBody = { itemId: id(item.itemId), oldLabel: item.cartonMark,
+    newLabel: item.fbaCartonMark || item.newSkuCode,
     expectedVersion: Number(detail.version), idempotencyKey: key(context, 'RELABEL-NORMAL') }
   const scanned = await request(context, token, 'POST', 'P5正常换标一箱', unitPath, scanBody)
   const scanReplay = await request(context, token, 'POST', 'P5正常换标同键重放', unitPath, scanBody)
@@ -456,7 +457,7 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
     { ...scanBody, oldLabel: `${context.marker}-OLD-STALE`, idempotencyKey: key(context, 'RELABEL-STALE') })
   detail = scanned.data
   const skipItem = relabelItemForUnit(detail, 1)
-  const skipBody = { itemId: id(skipItem?.itemId), oldLabel: `${context.marker}-OLD-2`,
+  const skipBody = { itemId: id(skipItem?.itemId), oldLabel: skipItem?.cartonMark,
     reason: `${context.marker}-skip`, expectedVersion: Number(detail.version),
     idempotencyKey: key(context, 'RELABEL-SKIP') }
   const skipped = await request(context, token, 'POST', 'P5跳过换标一箱', `${unitPath}/skip`, skipBody)
@@ -465,7 +466,7 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
     Number(skipReplay.data?.skippedPackages) === 1, trace(skipReplay.response), OPTIONS)
   detail = skipped.data
   const exceptionItem = relabelItemForUnit(detail, 2)
-  const exceptionBody = { itemId: id(exceptionItem?.itemId), oldLabel: `${context.marker}-OLD-3`,
+  const exceptionBody = { itemId: id(exceptionItem?.itemId), oldLabel: exceptionItem?.cartonMark,
     exceptionCode: 'DAMAGED', reason: `${context.marker}-damaged`, expectedVersion: Number(detail.version),
     idempotencyKey: key(context, 'RELABEL-EXCEPTION') }
   const exception = await request(context, token, 'POST', 'P5登记换标异常一箱',
diff --git a/scripts/admin-test-env-modules/phase5-overseas-fulfillment-contract.test.mjs b/scripts/admin-test-env-modules/phase5-overseas-fulfillment-contract.test.mjs
index a2a9271f9..bc3a289a5 100644
--- a/scripts/admin-test-env-modules/phase5-overseas-fulfillment-contract.test.mjs
+++ b/scripts/admin-test-env-modules/phase5-overseas-fulfillment-contract.test.mjs
@@ -59,6 +59,7 @@ test('phase-five module proves completion, customer visit, manual exception and
     "visitResult: 'SATISFIED'", '/exception-orders',
     '/return-inbound-options', '/mark-return', "returnDirection: 'OVERSEAS_WAREHOUSE'",
     'returnSources', 'outboundPalletItemId', 'inventoryPositionId',
+    'value.returnSources.some', 'returnInbound?.deliveryNo === deliveryNo',
     "idempotencyKey: key(context, 'DELIVERY-RETURN')", '派送退回同键同载荷重放',
     'RETURN_PENDING_WITH_COMPLETED_VISIT',
   ]) assert.ok(source.includes(token), token)
diff --git a/scripts/admin-test-env-modules/phase5-overseas-fulfillment.mjs b/scripts/admin-test-env-modules/phase5-overseas-fulfillment.mjs
index e3ffdb708..4be618d9d 100644
--- a/scripts/admin-test-env-modules/phase5-overseas-fulfillment.mjs
+++ b/scripts/admin-test-env-modules/phase5-overseas-fulfillment.mjs
@@ -317,9 +317,12 @@ export async function run(context) {
   const returnOptions = await platform(context, 'GET', '查询派送退回可选入仓单',
     query(`${LASTLEG_BASE}/delivery-orders/${encodeURIComponent(deliveryNo)}/return-inbound-options`, { customerId }))
   const returnInbound = Array.isArray(returnOptions.data)
-    ? returnOptions.data.find((value) => id(value?.inboundOrderId) === id(inbound.inboundOrderId)) : null
+    ? returnOptions.data.find((value) => Array.isArray(value?.returnSources)
+      && value.returnSources.some((source) => id(source?.outboundPalletItemId)
+        && id(source?.inventoryPositionId) && Number(source?.maxReturnPackages) > 0)) : null
   context.assert(MODULE, '退回候选严格属于当前派送单', returnOptions.response,
-    Boolean(returnInbound), `candidate=${Boolean(returnInbound)}; ${trace(returnOptions.response)}`, OPTIONS)
+    id(returnInbound?.inboundOrderId) && returnInbound?.deliveryNo === deliveryNo && returnInbound?.outboundNo === outboundNo,
+    `candidate=${Boolean(returnInbound)}; ${trace(returnOptions.response)}`, OPTIONS)
   if (!returnInbound) return
   const returnSource = Array.isArray(returnInbound.returnSources)
     ? returnInbound.returnSources.find((value) => id(value?.outboundPalletItemId)