diff --git a/src/api/mes/wm/materialStock/index.ts b/src/api/mes/wm/materialStock/index.ts
index 9368f2de2..93bf45f93 100644
--- a/src/api/mes/wm/materialStock/index.ts
+++ b/src/api/mes/wm/materialStock/index.ts
@@ -45,5 +45,13 @@ export const WmMaterialStockApi = {
   // 导出库存台账 Excel
   exportMaterialStock: async (params: any) => {
     return await request.download({ url: '/mes/wm/material-stock/export-excel', params })
+  },
+
+  // 获取库存精简列表（主要用于前端下拉，可按 itemId 过滤）
+  getMaterialStockSimpleList: async (itemId?: number) => {
+    return await request.get({
+      url: '/mes/wm/material-stock/simple-list',
+      params: { itemId }
+    })
   }
 }
diff --git a/src/views/mes/wm/batch/components/WmBatchSelect.vue b/src/views/mes/wm/batch/components/WmBatchSelect.vue
index be8aacaf4..301360781 100644
--- a/src/views/mes/wm/batch/components/WmBatchSelect.vue
+++ b/src/views/mes/wm/batch/components/WmBatchSelect.vue
@@ -29,6 +29,7 @@ defineOptions({ name: 'WmBatchSelect' })
 const props = withDefaults(
   defineProps<{
     modelValue?: number
+    itemId?: number
     disabled?: boolean
     clearable?: boolean
     placeholder?: string
@@ -62,11 +63,22 @@ const handleFilter = (query: string) => {
   const keyword = query.toLowerCase()
   filteredList.value = allList.value.filter(
     (item) =>
-      item.code?.toLowerCase().includes(keyword) ||
-      item.itemCode?.toLowerCase().includes(keyword)
+      item.code?.toLowerCase().includes(keyword) || item.itemCode?.toLowerCase().includes(keyword)
   )
 }
 
+/** 监听 itemId 变化，前端过滤（如果是基于 itemId 的过滤） */
+watch(
+  () => props.itemId,
+  (val) => {
+    if (val) {
+      filteredList.value = allList.value.filter((item) => item.itemId === val)
+    } else {
+      filteredList.value = allList.value
+    }
+  }
+)
+
 /** 选中变化 */
 const handleChange = (val: number | undefined) => {
   const item = allList.value.find((o) => o.id === val)
@@ -76,6 +88,10 @@ const handleChange = (val: number | undefined) => {
 /** 加载批次列表 */
 onMounted(async () => {
   allList.value = await BatchApi.getBatchSimpleList()
-  filteredList.value = allList.value
+  if (props.itemId) {
+    filteredList.value = allList.value.filter((item) => item.itemId === props.itemId)
+  } else {
+    filteredList.value = allList.value
+  }
 })
 </script>
diff --git a/src/views/mes/wm/productsales/ProductSalesDetailForm.vue b/src/views/mes/wm/productsales/ProductSalesDetailForm.vue
index 9294611c1..0a2079398 100644
--- a/src/views/mes/wm/productsales/ProductSalesDetailForm.vue
+++ b/src/views/mes/wm/productsales/ProductSalesDetailForm.vue
@@ -24,7 +24,11 @@
         <WmWarehouseAreaSelect v-model="formData.areaId" :location-id="formData.locationId" />
       </el-form-item>
       <el-form-item label="批次号" prop="batchId">
-        <el-input v-model="formData.batchId" placeholder="请输入批次号" />
+        <WmBatchSelect
+          v-model="formData.batchId"
+          :item-id="formData.itemId"
+          @change="handleBatchChange"
+        />
       </el-form-item>
       <el-form-item label="数量" prop="quantity">
         <el-input-number
@@ -49,7 +53,7 @@ import MdItemSelect from '@/views/mes/md/item/components/MdItemSelect.vue'
 import WmWarehouseSelect from '@/views/mes/wm/warehouse/components/WmWarehouseSelect.vue'
 import WmWarehouseLocationSelect from '@/views/mes/wm/warehouse/components/WmWarehouseLocationSelect.vue'
 import WmWarehouseAreaSelect from '@/views/mes/wm/warehouse/components/WmWarehouseAreaSelect.vue'
-// import WmBatchSelect from '@/views/mes/wm/batch/components/WmBatchSelect.vue'
+import WmBatchSelect from '@/views/mes/wm/batch/components/WmBatchSelect.vue'
 
 defineOptions({ name: 'ProductSalesDetailForm' })
 
@@ -77,7 +81,8 @@ const formData = ref({
   warehouseId: undefined as number | undefined,
   locationId: undefined as number | undefined,
   areaId: undefined as number | undefined,
-  batchId: undefined as number | undefined
+  batchId: undefined as number | undefined,
+  batchCode: undefined as string | undefined
 })
 const formRules = reactive({
   itemId: [{ required: true, message: '物料不能为空', trigger: 'change' }],
@@ -108,6 +113,11 @@ const open = async (type: string, lineId: number, itemId?: number, detailId?: nu
 }
 defineExpose({ open })
 
+/** 批次选中回调，同步 batchCode */
+const handleBatchChange = (batch: any) => {
+  formData.value.batchCode = batch?.code
+}
+
 /** 提交表单 */
 const submitForm = async () => {
   // 校验表单
@@ -146,7 +156,8 @@ const resetForm = () => {
     warehouseId: undefined,
     locationId: undefined,
     areaId: undefined,
-    batchId: undefined
+    batchId: undefined,
+    batchCode: undefined
   }
   formRef.value?.resetFields()
 }
diff --git a/src/views/mes/wm/productsales/ProductSalesLineList.vue b/src/views/mes/wm/productsales/ProductSalesLineList.vue
index 25be72ddb..1088ac8c1 100644
--- a/src/views/mes/wm/productsales/ProductSalesLineList.vue
+++ b/src/views/mes/wm/productsales/ProductSalesLineList.vue
@@ -90,7 +90,11 @@
         </el-col>
         <el-col :span="8">
           <el-form-item label="批次号" prop="batchId">
-            <el-input v-model="formData.batchId" placeholder="请输入批次号" />
+            <WmBatchSelect
+              v-model="formData.batchId"
+              :item-id="formData.itemId"
+              @change="handleBatchChange"
+            />
           </el-form-item>
         </el-col>
         <el-col :span="8">
@@ -140,7 +144,7 @@
 <script setup lang="ts">
 import { WmProductSalesLineApi, WmProductSalesLineVO } from '@/api/mes/wm/productsales/line'
 import MdItemSelect from '@/views/mes/md/item/components/MdItemSelect.vue'
-// import WmBatchSelect from '@/views/mes/wm/batch/components/WmBatchSelect.vue'
+import WmBatchSelect from '@/views/mes/wm/batch/components/WmBatchSelect.vue'
 import ProductSalesDetailList from './ProductSalesDetailList.vue'
 import ProductSalesDetailForm from './ProductSalesDetailForm.vue'
 import { DICT_TYPE } from '@/utils/dict'
@@ -201,7 +205,8 @@ const formData = ref({
   salesId: undefined as number | undefined,
   itemId: undefined,
   quantity: undefined,
-  batchId: undefined,
+  batchId: undefined as number | undefined,
+  batchCode: undefined as string | undefined,
   oqcCheckFlag: false,
   remark: undefined
 })
@@ -227,6 +232,11 @@ const openForm = async (type: string, id?: number) => {
   }
 }
 
+/** 批次选中回调，同步 batchCode */
+const handleBatchChange = (batch: any) => {
+  formData.value.batchCode = batch?.code
+}
+
 /** 提交表单 */
 const submitForm = async () => {
   await formRef.value.validate()
@@ -255,6 +265,7 @@ const resetForm = () => {
     itemId: undefined,
     quantity: undefined,
     batchId: undefined,
+    batchCode: undefined,
     oqcCheckFlag: false,
     remark: undefined
   }
diff --git a/src/views/mes/wm/returnvendor/ReturnVendorLineList.vue b/src/views/mes/wm/returnvendor/ReturnVendorLineList.vue
index aa9b05b75..a7af3e33b 100644
--- a/src/views/mes/wm/returnvendor/ReturnVendorLineList.vue
+++ b/src/views/mes/wm/returnvendor/ReturnVendorLineList.vue
@@ -95,7 +95,11 @@
         </el-col>
         <el-col :span="8">
           <el-form-item label="批次号" prop="batchId">
-            <WmBatchSelect v-model="formData.batchId" @change="handleBatchChange" />
+            <WmBatchSelect
+              v-model="formData.batchId"
+              :item-id="formData.itemId"
+              @change="handleBatchChange"
+            />
           </el-form-item>
         </el-col>
       </el-row>