diff --git a/web-admin/src/api/pl/index.ts b/web-admin/src/api/pl/index.ts
index 428420549..f75b1a7f1 100644
--- a/web-admin/src/api/pl/index.ts
+++ b/web-admin/src/api/pl/index.ts
@@ -564,9 +564,16 @@ export interface PlanCreateFullPayload {
 
 export type PlanUpdatePayload = Partial<Omit<PlanCreateFullPayload, 'contractId'>>
 
+export interface PlanArchiveBrandQtyItem {
+  brandId: string
+  brandName?: string
+  qty: number
+}
+
 export interface PlanArchiveProductItem {
   id: string
   actualQty: number
+  brandQtys?: PlanArchiveBrandQtyItem[]
 }
 
 export interface PlanArchiveFreightBlock {
diff --git a/web-admin/src/components/business/pl-plan-archive-dialog/index.vue b/web-admin/src/components/business/pl-plan-archive-dialog/index.vue
index e6a3fa8c9..6ff253c95 100644
--- a/web-admin/src/components/business/pl-plan-archive-dialog/index.vue
+++ b/web-admin/src/components/business/pl-plan-archive-dialog/index.vue
@@ -23,6 +23,43 @@
               show-actual-qty
               editable-actual-qty-only
             />
+            <div
+              v-for="row in brandedProductRows"
+              :key="row.id || row.productId"
+              class="pl-archive-brand-qty-block"
+            >
+              <div class="pl-archive-brand-qty-head">
+                <span class="pl-archive-brand-qty-title">{{ row.productName }} · 按品牌填量</span>
+                <el-tag v-if="row.brandMode === 'required'" size="small" type="warning">指定品牌</el-tag>
+                <el-tag v-else size="small" type="info">不限品牌</el-tag>
+                <span
+                  v-if="!isBrandQtySumMatch(row)"
+                  class="pl-archive-brand-qty-warn"
+                >
+                  各品牌合计须等于实际数量（{{ Number(row.actualQty ?? 0) }}）
+                </span>
+              </div>
+              <el-table :data="row.brandQtyRows || []" stripe size="small" class="list-table">
+                <el-table-column label="品牌" min-width="140" show-overflow-tooltip>
+                  <template #default="{ row: brandRow }">
+                    {{ brandRow.brandName || '—' }}
+                  </template>
+                </el-table-column>
+                <el-table-column label="数量" min-width="140" align="right">
+                  <template #default="{ row: brandRow }">
+                    <el-input-number
+                      v-model="brandRow.qty"
+                      :min="0"
+                      :precision="3"
+                      :controls="false"
+                      :disabled="row.brandMode === 'required'"
+                      style="width: 100%"
+                      @change="() => onBrandQtyChange(row)"
+                    />
+                  </template>
+                </el-table-column>
+              </el-table>
+            </div>
           </section>
 
           <section class="pl-plan-form-section pl-plan-freight-section">
@@ -114,6 +151,7 @@
 
 <script setup lang="ts">
 import { Check, Close } from '@element-plus/icons-vue'
+import { fetchProductDetail, type ProductDetail } from '@/api/crm/product'
 import {
   inboundOrderApi,
   outboundOrderApi,
@@ -193,12 +231,50 @@ const dialogTitle = computed(() => {
 
 const submitLabel = computed(() => (isAdjustMode.value ? '确认保存' : '确认归档'))
 
+const brandedProductRows = computed(() =>
+  productRows.value.filter(row => row.brandMode === 'required' || row.brandMode === 'any')
+)
+
+function brandQtySum(row: PlanFormProductRow): number {
+  return (row.brandQtyRows || []).reduce((sum, item) => sum + Number(item.qty || 0), 0)
+}
+
+function isBrandQtySumMatch(row: PlanFormProductRow): boolean {
+  if (!row.brandMode) return true
+  return Math.abs(brandQtySum(row) - Number(row.actualQty ?? 0)) < 0.0005
+}
+
+function onBrandQtyChange(row: PlanFormProductRow) {
+  if (row.brandMode === 'any') {
+    row.actualQty = Number(brandQtySum(row).toFixed(3))
+  }
+}
+
+function syncRequiredBrandQty(row: PlanFormProductRow) {
+  if (row.brandMode !== 'required' || !row.brandQtyRows?.length) return
+  row.brandQtyRows[0].qty = Number(row.actualQty ?? 0)
+}
+
+watch(
+  productRows,
+  rows => {
+    rows.forEach(row => {
+      if (row.brandMode === 'required') syncRequiredBrandQty(row)
+    })
+  },
+  { deep: true }
+)
+
 function mapPlanProducts(products: PlanProduct[]): PlanFormProductRow[] {
   return products.map((item, index) => ({
     id: item.id,
     productId: String(item.productId || index),
     productNo: item.productNo || String(item.productId || index),
     productName: item.productName || '',
+    brandMode: item.brandMode,
+    brandId: item.brandId,
+    brandName: item.brandName,
+    brandQtyRows: [],
     model: item.model,
     categoryName: item.categoryName,
     unit: item.unit || '吨',
@@ -215,6 +291,55 @@ function mapPlanProducts(products: PlanProduct[]): PlanFormProductRow[] {
   }))
 }
 
+async function initBrandQtyRows(rows: PlanFormProductRow[]) {
+  const needDetailIds = [
+    ...new Set(
+      rows
+        .filter(row => row.brandMode === 'any' && row.productId)
+        .map(row => row.productId)
+    )
+  ]
+  const detailMap = new Map<string, ProductDetail>()
+  await Promise.all(
+    needDetailIds.map(async productId => {
+      try {
+        const res = await fetchProductDetail({ id: productId })
+        const detail = pickBxData<ProductDetail>(res)
+        if (detail?.id) detailMap.set(productId, detail)
+      } catch {
+        // 品牌列表加载失败时保留空行，提交时由后端校验
+      }
+    })
+  )
+
+  rows.forEach(row => {
+    const actual = Number(row.actualQty ?? 0)
+    if (row.brandMode === 'required') {
+      row.brandQtyRows = [
+        {
+          brandId: row.brandId || '',
+          brandName: row.brandName || '指定品牌',
+          qty: actual
+        }
+      ]
+      return
+    }
+    if (row.brandMode === 'any') {
+      const brands = (detailMap.get(row.productId)?.brands || []).filter(
+        b => (b.status || 'on') === 'on'
+      )
+      row.brandQtyRows = brands.map(b => ({
+        brandId: b.id || '',
+        brandName: b.brandName,
+        qty: 0
+      }))
+      if (row.brandQtyRows.length === 1) {
+        row.brandQtyRows[0].qty = actual
+      }
+    }
+  })
+}
+
 function resetState() {
   plan.value = {}
   productRows.value = []
@@ -295,6 +420,7 @@ async function handleOpened() {
         // 无入库/出库单时保持计划原实际数量
       }
     }
+    await initBrandQtyRows(productRows.value)
     await applyFreightPrefill(data)
   } catch (error) {
     innerVisible.value = false
@@ -322,6 +448,11 @@ async function handleSubmit() {
     ElMessage.warning('请填写有效的实际数量')
     return
   }
+  const brandMismatch = brandedProductRows.value.find(row => !isBrandQtySumMatch(row))
+  if (brandMismatch) {
+    ElMessage.warning(`「${brandMismatch.productName}」各品牌数量合计须等于实际数量`)
+    return
+  }
   if (
     formData.hasFreight === 1 &&
     formData.freightType === 'by_weight' &&
@@ -350,7 +481,16 @@ async function handleSubmit() {
     const body: PlanArchiveBody = {
       products: productRows.value.map(row => ({
         id: row.id!,
-        actualQty: Number(row.actualQty ?? 0)
+        actualQty: Number(row.actualQty ?? 0),
+        brandQtys: row.brandMode
+          ? (row.brandQtyRows || [])
+              .filter(r => Number(r.qty) > 0)
+              .map(r => ({
+                brandId: r.brandId,
+                brandName: r.brandName,
+                qty: Number(r.qty)
+              }))
+          : undefined
       })),
       freight: {
         hasFreight: formData.hasFreight,
@@ -432,6 +572,33 @@ async function handleSubmit() {
   color: #475569;
 }
 
+.pl-archive-brand-qty-block {
+  margin-top: 12px;
+  padding: 12px;
+  border: 1px solid var(--el-border-color-lighter, #e2e8f0);
+  border-radius: 8px;
+  background: var(--mint-bg-soft, #f8fafc);
+}
+
+.pl-archive-brand-qty-head {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+
+.pl-archive-brand-qty-title {
+  font-size: 13px;
+  font-weight: 600;
+  color: #334155;
+}
+
+.pl-archive-brand-qty-warn {
+  font-size: 12px;
+  color: var(--el-color-danger, #ef4444);
+}
+
 .pl-plan-freight-section {
   .pl-plan-subtitle {
     margin-top: 4px;
diff --git a/web-admin/src/composables/usePlContractToPlan.ts b/web-admin/src/composables/usePlContractToPlan.ts
index 1d7850ff6..0ea7971f7 100644
--- a/web-admin/src/composables/usePlContractToPlan.ts
+++ b/web-admin/src/composables/usePlContractToPlan.ts
@@ -5,6 +5,10 @@ export interface PlanFormProductRow {
   productId: string
   productNo: string
   productName: string
+  brandMode?: string
+  brandId?: string
+  brandName?: string
+  brandQtyRows?: Array<{ brandId: string; brandName: string; qty: number }>
   model?: string
   categoryName?: string
   unit: string