diff --git a/backend/app/schemas/pl/io_order.py b/backend/app/schemas/pl/io_order.py
index 28867b772..70e59172f 100644
--- a/backend/app/schemas/pl/io_order.py
+++ b/backend/app/schemas/pl/io_order.py
@@ -14,6 +14,7 @@ class IoOrderItemRead(BaseModel):
     plan_product_id: str = Field(alias="planProductId")
     product_id: Optional[str] = Field(default=None, alias="productId")
     product_name: Optional[str] = Field(default=None, alias="productName")
+    brand_summary: Optional[str] = Field(default=None, alias="brandSummary")
     specification: Optional[str] = None
     unit: Optional[str] = None
     plan_qty: Optional[Decimal] = Field(default=None, alias="planQty")
diff --git a/backend/app/services/pl_io_order_service.py b/backend/app/services/pl_io_order_service.py
index 647eb1b7c..f1b67901c 100644
--- a/backend/app/services/pl_io_order_service.py
+++ b/backend/app/services/pl_io_order_service.py
@@ -21,6 +21,7 @@ from app.models.pl_models import (
     PlOutboundOrderItem,
     PlPlan,
     PlPlanProduct,
+    PlPlanProductBrandQty,
     PlTransport,
     PlTransportDbLink,
 )
@@ -502,6 +503,33 @@ def enrich_io_order_dict(
         if public_unit_as_label:
             it["unit"] = it.get("unitLabel") or resolve_unit_label(unit_map, it.get("unit"))
 
+    brand_summary_by_pp: dict[str, str] = {}
+    if product_ids:
+        brand_rows = (
+            db.query(PlPlanProductBrandQty)
+            .filter(
+                PlPlanProductBrandQty.plan_product_id.in_(product_ids),
+                PlPlanProductBrandQty.tenant_no == tenant_no,
+                PlPlanProductBrandQty.del_flag == 0,
+            )
+            .order_by(PlPlanProductBrandQty.order_num.asc())
+            .all()
+        )
+        grouped: dict[str, list[str]] = {}
+        for br in brand_rows:
+            qty = Decimal(str(br.qty or 0))
+            if qty <= 0:
+                continue
+            name = (br.brand_name or "").strip() or "未命名品牌"
+            # 去掉多余尾零，如 6.000 -> 6
+            qty_text = format(qty.normalize(), "f")
+            grouped.setdefault(br.plan_product_id, []).append(f"{name} {qty_text}")
+        brand_summary_by_pp = {k: " / ".join(v) for k, v in grouped.items()}
+
+    for it in raw_items:
+        pp_id = it.get("planProductId") or ""
+        it["brandSummary"] = brand_summary_by_pp.get(pp_id) or None
+
     return data
 
 
diff --git a/web-admin/src/api/pl/index.ts b/web-admin/src/api/pl/index.ts
index b886ae423..903d16d49 100644
--- a/web-admin/src/api/pl/index.ts
+++ b/web-admin/src/api/pl/index.ts
@@ -775,6 +775,7 @@ export interface PlIoOrderItem {
   productId?: string
   productNo?: string
   productName?: string
+  brandSummary?: string
   specification?: string
   unit?: string
   unitLabel?: string
diff --git a/web-admin/src/views/pl/_shared/IoOrderListPage.vue b/web-admin/src/views/pl/_shared/IoOrderListPage.vue
index 37739596f..8b93e02e1 100644
--- a/web-admin/src/views/pl/_shared/IoOrderListPage.vue
+++ b/web-admin/src/views/pl/_shared/IoOrderListPage.vue
@@ -218,6 +218,11 @@
                   />
                   <el-table-column prop="productNo" label="产品编号" min-width="110" show-overflow-tooltip />
                   <el-table-column prop="productName" label="产品名称" min-width="120" show-overflow-tooltip />
+                  <el-table-column label="品牌" min-width="140" show-overflow-tooltip>
+                    <template #default="{ row }">
+                      {{ row.brandSummary || '—' }}
+                    </template>
+                  </el-table-column>
                   <el-table-column prop="specification" label="型号/规格" min-width="100" show-overflow-tooltip />
                   <el-table-column label="单位" min-width="80" align="center">
                     <template #default="{ row }">{{ row.unitLabel || row.unit || '—' }}</template>