diff --git a/inventory-backend/app/api/v1/inbound/buy.py b/inventory-backend/app/api/v1/inbound/buy.py
index 4b1f8ac..7b14a88 100644
--- a/inventory-backend/app/api/v1/inbound/buy.py
+++ b/inventory-backend/app/api/v1/inbound/buy.py
@@ -52,6 +52,7 @@ def filter_item_by_permissions(item_dict, user_permissions):
         'inspection_status': 'inbound_buy:inspection_status',
         'warehouse_location': 'inbound_buy:warehouse_location',
         'unit_price': 'inbound_buy:unit_price',
+        'post_tax_unit_price': 'inbound_buy:post_tax_unit_price',
         'tax_rate': 'inbound_buy:tax_rate',
         'total_price': 'inbound_buy:total_price',
         'currency': 'inbound_buy:currency',
@@ -166,6 +167,7 @@ def submit():
                 'inspection_status': 'inbound_buy:inspection_status',
                 'warehouse_location': 'inbound_buy:warehouse_location',
                 'unit_price': 'inbound_buy:unit_price',
+                'post_tax_unit_price': 'inbound_buy:post_tax_unit_price',
                 'tax_rate': 'inbound_buy:tax_rate',
                 'total_price': 'inbound_buy:total_price',
                 'currency': 'inbound_buy:currency',
@@ -230,6 +232,7 @@ def update_buy(id):
                 'inspection_status': 'inbound_buy:inspection_status',
                 'warehouse_location': 'inbound_buy:warehouse_location',
                 'unit_price': 'inbound_buy:unit_price',
+                'post_tax_unit_price': 'inbound_buy:post_tax_unit_price',
                 'tax_rate': 'inbound_buy:tax_rate',
                 'total_price': 'inbound_buy:total_price',
                 'currency': 'inbound_buy:currency',
diff --git a/inventory-backend/app/models/inbound/buy.py b/inventory-backend/app/models/inbound/buy.py
index 4e9cc2f..59a9534 100644
--- a/inventory-backend/app/models/inbound/buy.py
+++ b/inventory-backend/app/models/inbound/buy.py
@@ -34,6 +34,7 @@ class StockBuy(db.Model):
 
     # 财务与商务
     unit_price = db.Column(db.Numeric(19, 4), default=0)  # 现意为：不含税单价
+    post_tax_unit_price = db.Column(db.Numeric(19, 4), default=0)  # 税后单价
     total_price = db.Column(db.Numeric(19, 4), default=0)  # 总价
     # [新增] 税率
     tax_rate = db.Column(db.Numeric(5, 2), default=0)
@@ -98,6 +99,7 @@ class StockBuy(db.Model):
             'qty_available': float(self.available_quantity or 0),
 
             'unit_price': float(self.unit_price or 0),
+            'post_tax_unit_price': float(self.post_tax_unit_price or 0),
             'total_price': float(self.total_price or 0),
             # [新增] 税率
             'tax_rate': float(self.tax_rate or 0),
@@ -116,4 +118,4 @@ class StockBuy(db.Model):
 
             'global_print_id': self.global_print_id,
             'global_print_id_str': f"{self.global_print_id:010d}" if self.global_print_id else ""
-        }
\ No newline at end of file
+        }
diff --git a/inventory-backend/app/services/inbound/buy_service.py b/inventory-backend/app/services/inbound/buy_service.py
index 87532b3..219d691 100644
--- a/inventory-backend/app/services/inbound/buy_service.py
+++ b/inventory-backend/app/services/inbound/buy_service.py
@@ -138,6 +138,7 @@ class BuyInboundService:
 
                 # 价格信息
                 unit_price=u_price,
+                post_tax_unit_price=float(data.get('post_tax_unit_price') or 0),
                 tax_rate=tax_rate,  # [新增]
                 total_price=in_qty * u_price,
                 currency=data.get('currency', 'CNY'),
@@ -184,6 +185,8 @@ class BuyInboundService:
 
             # [新增] 更新税率
             if 'tax_rate' in data: stock.tax_rate = float(data['tax_rate'])
+            # 更新税后单价
+            if 'post_tax_unit_price' in data: stock.post_tax_unit_price = float(data['post_tax_unit_price'])
 
             if 'in_quantity' in data:
                 diff = float(data['in_quantity']) - float(stock.in_quantity)
@@ -322,4 +325,4 @@ class BuyInboundService:
     @staticmethod
     def get_history_locations(base_id):
         return [r[0] for r in
-                db.session.query(StockBuy.warehouse_location).filter(StockBuy.base_id == base_id).distinct().all()]
\ No newline at end of file
+                db.session.query(StockBuy.warehouse_location).filter(StockBuy.base_id == base_id).distinct().all()]
diff --git a/inventory-web/src/views/stock/inbound/buy.vue b/inventory-web/src/views/stock/inbound/buy.vue
index 4111a7e..d0af1d9 100644
--- a/inventory-web/src/views/stock/inbound/buy.vue
+++ b/inventory-web/src/views/stock/inbound/buy.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="buy-module">
-    <div class="header-container">
-      <div class="search-form-area">
+    <div class="header-container" style="flex-wrap: wrap;">
+      <div class="search-form-area" style="flex-wrap: wrap;">
 
         <el-select
             v-model="queryParams.company"
@@ -197,7 +197,7 @@
     <el-dialog
         v-model="visible"
         :title="dialogStatus === 'create' ? '新增采购入库' : '编辑入库信息'"
-        width="1000px"
+        :width="'min(1000px, 95vw)'"
         top="4vh"
         destroy-on-close
         :close-on-click-modal="false"
@@ -296,9 +296,7 @@
                 <el-col :span="6">
                   <el-form-item label="入库日期" prop="in_date"><el-date-picker v-model="form.in_date" type="date" value-format="YYYY-MM-DD" style="width:100%" disabled/></el-form-item>
                 </el-col>
-                <el-col :span="6">
-                  <el-form-item label="条码" prop="barcode"><el-input v-model="form.barcode" placeholder="扫描条码" clearable/></el-form-item>
-                </el-col>
+                <!-- 条形码输入框已隐藏 -->
                 <el-col :span="6">
                   <el-form-item label="库位" prop="warehouse_location">
                     <el-autocomplete
@@ -346,7 +344,7 @@
               <el-row :gutter="20" style="margin-top: 10px;">
                 <el-col :span="6">
                   <el-form-item label="入库数量" prop="in_quantity">
-                    <el-input-number v-model="form.in_quantity" :min="1" controls-position="right" style="width:100%" class="strong-input"/>
+                    <el-input-number v-model="form.in_quantity" :min="1" controls-position="right" style="width:100%" class="strong-input" @change="updatePrices('qty')"/>
                   </el-form-item>
                 </el-col>
 
@@ -435,7 +433,7 @@
 
                 <el-col :span="6">
                   <el-form-item label="税率">
-                    <el-select v-model="form.tax_rate" style="width:100%">
+                    <el-select v-model="form.tax_rate" style="width:100%" @change="updatePrices('tax')">
                       <el-option label="0%" :value="0" />
                       <el-option label="1%" :value="1" />
                       <el-option label="13%" :value="13" />
@@ -443,7 +441,8 @@
                   </el-form-item>
                 </el-col>
 
-                <el-col :span="6"><el-form-item label="不含税单价" prop="unit_price"><el-input-number v-model="form.unit_price" :precision="4" controls-position="right" style="width:100%"/></el-form-item></el-col>
+                <el-col :span="6"><el-form-item label="税前单价" prop="unit_price"><el-input-number v-model="form.unit_price" :precision="4" controls-position="right" style="width:100%" @change="updatePrices('pre')"/></el-form-item></el-col>
+                <el-col :span="6"><el-form-item label="税后单价"><el-input-number v-model="form.post_tax_unit_price" :precision="4" controls-position="right" style="width:100%" @change="updatePrices('post')"/></el-form-item></el-col>
 
                 <el-col :span="6"><el-form-item label="总价"><el-input-number v-model="form.total_price" :precision="2" disabled :controls="false" style="width:100%" class="total-price-input"/></el-form-item></el-col>
               </el-row>
@@ -842,7 +841,7 @@ const form = reactive({
   material_name: '', spec_model: '', category: '', unit: '', material_type: '',
   sku: '', barcode: '', in_date: '', serial_number: '', batch_number: '', status: '在库', inspection_status: '未检',
   in_quantity: 1, stock_quantity: 1, available_quantity: 1, warehouse_location: '',
-  unit_price: 0, total_price: 0,
+  unit_price: 0, post_tax_unit_price: 0, total_price: 0,
   tax_rate: 0,
   currency: 'CNY', exchange_rate: 1.00,
   supplier_name: '', purchaser: '', purchaser_email: '', source_link: '', detail_link: '',
@@ -1039,7 +1038,25 @@ const handleEntryModeChange = (val: string) => {
     if(formRef.value) formRef.value.clearValidate('batch_number')
   }
 }
-watch(() => [form.in_quantity, form.unit_price], () => { form.total_price = Number((form.in_quantity * form.unit_price).toFixed(4)) })
+// 价格联动计算
+const updatePrices = (source: string) => {
+  const taxMultiplier = 1 + (form.tax_rate || 0) / 100;
+  if (source === 'pre') {
+    form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(4));
+  } else if (source === 'post') {
+    form.unit_price = Number((form.post_tax_unit_price / taxMultiplier).toFixed(4));
+  } else if (source === 'tax') {
+    form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(4));
+  }
+  form.total_price = Number((form.in_quantity * form.unit_price).toFixed(4));
+}
+
+watch(() => [form.in_quantity, form.unit_price], () => { 
+  form.total_price = Number((form.in_quantity * form.unit_price).toFixed(4));
+  // 同时更新税后单价
+  const taxMultiplier = 1 + (form.tax_rate || 0) / 100;
+  form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(4));
+})
 
 const fetchData = async () => {
   loading.value = true
@@ -1105,6 +1122,10 @@ const handleUpdate = (row: any) => {
     source_link: row.source_link, detail_link: row.detail_link,
     arrival_photo: row.arrival_photo || [], inspection_report: row.inspection_report || []
   })
+  // 计算税后单价
+  const taxMultiplier = 1 + (form.tax_rate || 0) / 100;
+  form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(4));
+  
   arrivalFileList.value = form.arrival_photo.map(url => ({ name: url.split('/').pop(), url: getImageUrl(url) }))
   const reports = form.inspection_report || []
   const reportImgs = reports.filter(r => !isExternalLink(r))
@@ -1127,7 +1148,13 @@ const submitForm = async () => {
       const onlyImages = finalReportList.filter(item => !isExternalLink(item))
       if (inspection_report_url.value) onlyImages.push(inspection_report_url.value)
 
-      const payload = { ...form, inspection_report: onlyImages, in_quantity: Number(form.in_quantity), unit_price: Number(form.unit_price) }
+      const payload = { 
+        ...form, 
+        inspection_report: onlyImages, 
+        in_quantity: Number(form.in_quantity), 
+        unit_price: Number(form.unit_price),
+        post_tax_unit_price: Number(form.post_tax_unit_price)
+      }
       try {
         if (dialogStatus.value === 'create') {
           const res: any = await createBuyInbound(payload)