diff --git a/src/api/receiving-adapter.js b/src/api/receiving-adapter.js
index 95ca579..e7e0925 100644
--- a/src/api/receiving-adapter.js
+++ b/src/api/receiving-adapter.js
@@ -118,6 +118,7 @@ export function toReceivingError(error, fallback = '海外仓作业失败') {
 	const receivingMessages = {
 		'Carton mark must contain a non-empty inbound code prefix': '请扫描箱码或国内DP码',
 		'Pallet code is not part of the current FBA destination group': '托盘不属于当前目的仓，请重扫',
+		'Pallet code is not reserved for this inbound code': '该托盘未预留给当前入仓码，请扫描本票已预留托盘',
 		'Reserved pallet binding is incomplete': '预留托盘资料不完整，请联系管理员检查入仓计划',
 		'Reserved pallet customer binding is invalid': '预留托盘与当前客户不匹配，请联系管理员检查入仓计划',
 		'Scanned pallet does not match the reserved inbound plan resource': '扫描托盘与入仓计划预留资源不一致，请扫描已预留的托盘',
diff --git a/src/pages/operation/operation.vue b/src/pages/operation/operation.vue
index 847bda6..4246b3e 100644
--- a/src/pages/operation/operation.vue
+++ b/src/pages/operation/operation.vue
@@ -191,7 +191,17 @@
 			photoStateLabel(photo) { if (photo?.status === 'uploading') return '正在上传…'; if (photo?.status === 'error') return photo.errorMessage || (photo.fileId ? '重拍失败，已保留原图' : '上传失败，请重试'); return '' },
 			startScanner() { this.stopScanner(); this._stopScanner = startScanBroadcast({ onScan: (value) => this.handleHardwareScan(value), onError: (error) => { this.error = error; this.showToast('硬件扫码接收器异常，请检查扫描服务', 'warning') } }) }, stopScanner() { if (typeof this._stopScanner === 'function') this._stopScanner(); this._stopScanner = null },
 			handleHardwareScan(value) { if (!this._pageActive || this.loading) return; const scan = { value: String(value || '').trim(), target: this.activeTarget }; if (!scan.value) return; if (!this.inboundMode) return this.showToast('该功能缺少海外 PDA 专用接口，扫码未提交', 'warning'); if (this.phase === 'candidates') return this.showToast('请直接点击待卸货集装箱进入详情', 'warning'); if (this.phase !== 'receive') return; if (this.busy || this.activeTarget === 'quantity') { if (this.scanQueue.length >= 100) return this.showToast('扫码队列已满，请先处理当前托盘', 'warning'); this.scanQueue.push(scan); return this.showToast(`已排队 ${this.scanQueue.length} 个扫码`, 'warning') } return this.dispatchHardwareScan(scan) },
-			dispatchHardwareScan(scan) { if (!this._pageActive || this.loading) return; const palletWorkflowActive = Boolean(this.activeInbound || this.resolvedPallet); const target = palletWorkflowActive ? 'pallet' : scan.target; console.info('[Overseas PDA scan] dispatch', { value: scan.value, target, queuedTarget: scan.target }); if (target === 'pallet') { this.palletInput = scan.value; return this.resolvePallet(scan.value) } this.cartonInput = scan.value; return this.resolveCarton(scan.value) },
+			dispatchHardwareScan(scan) {
+				if (!this._pageActive || this.loading) return
+				// 排队扫码按当前步骤处理，避免沿用上一请求开始时的扫描目标。
+				if (this.activeInbound && this.activeTarget === 'pallet') {
+					this.palletInput = scan.value
+					return this.resolvePallet(scan.value)
+				}
+				if (this.canSubmitReceipt) return this.showToast('请先确认当前箱收货，再扫描下一箱', 'warning')
+				this.cartonInput = scan.value
+				return this.resolveCarton(scan.value)
+			},
 			drainScanQueue() { if (!this._pageActive || this.loading || this.busy || this.activeTarget === 'quantity' || !this.scanQueue.length || this.phase !== 'receive') return; const next = this.scanQueue.shift(); this.dispatchHardwareScan(next) },
 			suspendReceiving() { this._pageActive = false; this._scanEpoch = (this._scanEpoch || 0) + 1; this._resumeReceiving = true; clearTimeout(this._drainTimer); clearTimeout(this._toastTimer); this.scanQueue = []; this.stopScanner() },
 			scheduleScanDrain() { clearTimeout(this._drainTimer); if (!this._pageActive) return; const epoch = this._scanEpoch || 0; this._drainTimer = setTimeout(() => { if (this._pageActive && epoch === (this._scanEpoch || 0)) this.drainScanQueue() }, 0) },
diff --git a/tests/receiving-lifecycle.test.mjs b/tests/receiving-lifecycle.test.mjs
index c17812c..2833698 100644
--- a/tests/receiving-lifecycle.test.mjs
+++ b/tests/receiving-lifecycle.test.mjs
@@ -64,6 +64,30 @@ test('editing and rejecting a pallet cannot submit using the previous successful
   assert.equal(writes, 0)
 })
 
+test('queued pallet scan follows the current step while a pending carton requires confirmation', t => {
+  store.resetReceivingSession(); store.setCurrentReceiving(sessionValue())
+  store.receiving.resolvedCarton = { inboundCode: 'IN-A', cartonMark: 'IN-A#1', destinationType: 'OVERSEAS' }
+  const { vm } = page()
+  t.after(() => vm.suspendReceiving())
+  const calls = [], toasts = []
+  vm.resolvePallet = value => calls.push(['pallet', value])
+  vm.resolveCarton = value => calls.push(['carton', value])
+  vm.showToast = message => toasts.push(message)
+  vm.activeTarget = 'pallet'
+  vm.dispatchHardwareScan({ value: 'PAL-A', target: 'carton' })
+  assert.deepEqual(calls, [['pallet', 'PAL-A']])
+
+  store.receiving.resolvedPallet = { palletCode: 'PAL-A', compatible: true }
+  vm.palletInput = 'PAL-A'; vm.activeTarget = 'carton'
+  vm.dispatchHardwareScan({ value: 'IN-A#2', target: 'carton' })
+  assert.deepEqual(calls, [['pallet', 'PAL-A']])
+  assert.deepEqual(toasts, ['请先确认当前箱收货，再扫描下一箱'])
+  assert.equal(vm.activeInbound.cartonMark, 'IN-A#1')
+  vm.clearReceiptContext()
+  vm.dispatchHardwareScan({ value: 'IN-A#2', target: 'pallet' })
+  assert.deepEqual(calls, [['pallet', 'PAL-A'], ['carton', 'IN-A#2']])
+})
+
 test('an incompatible pallet never reports success and a corrected scan can be validated normally', async t => {
   store.resetReceivingSession(); store.setCurrentReceiving(sessionValue())
   store.receiving.resolvedCarton = { inboundCode: 'IN-A', cartonMark: 'IN-A#22-1', destinationType: 'FBA' }