diff --git a/inventory-backend/app/api/v1/inbound/product.py b/inventory-backend/app/api/v1/inbound/product.py
index 86f59d4..4a99dea 100644
--- a/inventory-backend/app/api/v1/inbound/product.py
+++ b/inventory-backend/app/api/v1/inbound/product.py
@@ -60,7 +60,8 @@ def search_base():
 def search_bom():
     try:
         keyword = request.args.get('keyword', '')
-        data = ProductInboundService.search_bom_options(keyword)
+        parent_spec = request.args.get('parent_spec', None)
+        data = ProductInboundService.search_bom_options(keyword, parent_spec=parent_spec)
         return jsonify({"code": 200, "msg": "success", "data": data})
     except Exception as e:
         traceback.print_exc()
diff --git a/inventory-backend/app/api/v1/inbound/semi.py b/inventory-backend/app/api/v1/inbound/semi.py
index 6d1b42b..f310d38 100644
--- a/inventory-backend/app/api/v1/inbound/semi.py
+++ b/inventory-backend/app/api/v1/inbound/semi.py
@@ -60,7 +60,8 @@ def search_base():
 def search_bom():
     try:
         keyword = request.args.get('keyword', '')
-        data = SemiInboundService.search_bom_options(keyword)
+        parent_spec = request.args.get('parent_spec', None)
+        data = SemiInboundService.search_bom_options(keyword, parent_spec=parent_spec)
         return jsonify({"code": 200, "msg": "success", "data": data})
     except Exception as e:
         traceback.print_exc()
diff --git a/inventory-backend/app/services/inbound/product_service.py b/inventory-backend/app/services/inbound/product_service.py
index fe5dddf..ac47faf 100644
--- a/inventory-backend/app/services/inbound/product_service.py
+++ b/inventory-backend/app/services/inbound/product_service.py
@@ -66,7 +66,7 @@ class ProductInboundService:
             return {"items": [], "total": 0, "page": 1, "has_next": False}
 
     @staticmethod
-    def search_bom_options(keyword):
+    def search_bom_options(keyword, parent_spec=None):
         from app.models.bom import BomTable
         try:
             query = db.session.query(
@@ -79,6 +79,9 @@ class ProductInboundService:
             if hasattr(BomTable, 'is_enabled'):
                 query = query.filter(BomTable.is_enabled == True)
 
+            if parent_spec:
+                query = query.filter(MaterialBase.spec_model == parent_spec)
+
             if keyword:
                 kw = f'%{keyword}%'
                 query = query.filter(
diff --git a/inventory-backend/app/services/inbound/semi_service.py b/inventory-backend/app/services/inbound/semi_service.py
index 03b6ec5..1a6dc6b 100644
--- a/inventory-backend/app/services/inbound/semi_service.py
+++ b/inventory-backend/app/services/inbound/semi_service.py
@@ -71,7 +71,7 @@ class SemiInboundService:
             return {"items": [], "total": 0, "page": 1, "has_next": False}
 
     @staticmethod
-    def search_bom_options(keyword):
+    def search_bom_options(keyword, parent_spec=None):
         from app.models.bom import BomTable
         try:
             query = db.session.query(
@@ -84,6 +84,9 @@ class SemiInboundService:
             if hasattr(BomTable, 'is_enabled'):
                 query = query.filter(BomTable.is_enabled == True)
 
+            if parent_spec:
+                query = query.filter(MaterialBase.spec_model == parent_spec)
+
             if keyword:
                 kw = f'%{keyword}%'
                 query = query.filter(
diff --git a/inventory-web/src/api/inbound/product.ts b/inventory-web/src/api/inbound/product.ts
index c65f671..73b602a 100644
--- a/inventory-web/src/api/inbound/product.ts
+++ b/inventory-web/src/api/inbound/product.ts
@@ -43,11 +43,11 @@ export function searchMaterialBase(keyword: string, page: number = 1) {
 }
 
 // 搜索BOM
-export function searchBom(keyword: string) {
+export function searchBom(keyword: string, parent_spec?: string) {
     return request({
         url: '/inbound/product/search-bom',
         method: 'get',
-        params: { keyword }
+        params: { keyword, parent_spec }
     })
 }
 
diff --git a/inventory-web/src/api/inbound/semi.ts b/inventory-web/src/api/inbound/semi.ts
index b3964d3..061130f 100644
--- a/inventory-web/src/api/inbound/semi.ts
+++ b/inventory-web/src/api/inbound/semi.ts
@@ -45,11 +45,11 @@ export function searchMaterialBase(keyword: string, page: number = 1) {
 }
 
 // 5.5 搜索BOM (新增)
-export function searchBom(keyword: string) {
+export function searchBom(keyword: string, parent_spec?: string) {
     return request({
         url: '/inbound/semi/search-bom',
         method: 'get',
-        params: { keyword }
+        params: { keyword, parent_spec }
     })
 }
 
diff --git a/inventory-web/src/views/stock/inbound/product.vue b/inventory-web/src/views/stock/inbound/product.vue
index eee85d4..fa6e193 100644
--- a/inventory-web/src/views/stock/inbound/product.vue
+++ b/inventory-web/src/views/stock/inbound/product.vue
@@ -461,7 +461,8 @@
                         filterable
                         remote
                         clearable
-                        placeholder="搜规格/编号"
+                        :disabled="!form.spec_model"
+                        :placeholder="!form.spec_model ? '请先在上方选择入库物料' : '搜规格/编号'"
                         :remote-method="handleSearchBom"
                         :loading="bomSearchLoading"
                         @change="handleBomSelect"
@@ -544,10 +545,10 @@
     </el-dialog>
 
 
-    <el-dialog v-model="dialogVisibleImage" append-to-body width="50%">
+    <el-dialog v-model="dialogVisibleImage" append-to-body width="50%" :close-on-click-modal="false" :close-on-press-escape="false">
       <img style="width: 100%" :src="dialogImageUrl" alt="Preview Image" />
     </el-dialog>
-    <el-dialog v-model="cameraDialogVisible" title="拍照上传" width="500px" append-to-body destroy-on-close :close-on-click-modal="false">
+    <el-dialog v-model="cameraDialogVisible" title="拍照上传" width="500px" append-to-body destroy-on-close :close-on-click-modal="false" :close-on-press-escape="false">
       <WebRtcCamera
           ref="cameraRef"
           @photo-submit="handleCameraConfirm"
@@ -555,7 +556,7 @@
       />
     </el-dialog>
 
-    <el-dialog v-model="printVisible" title="标签打印预览" width="400px" destroy-on-close append-to-body>
+    <el-dialog v-model="printVisible" title="标签打印预览" width="400px" destroy-on-close append-to-body :close-on-click-modal="false" :close-on-press-escape="false">
       <div style="text-align: center;">
         <div v-loading="printLoading" class="preview-box">
           <img v-if="previewUrl" :src="previewUrl" alt="Label Preview" style="width: 100%; border: 1px solid #ccc;"/>
@@ -957,7 +958,7 @@ const form = reactive({
 const handleSearchBom = async (query: string) => {
   bomSearchLoading.value = true
   try {
-    const res: any = await searchBom(query)
+    const res: any = await searchBom(query, form.spec_model)
     bomOptions.value = res.data || []
   } finally { bomSearchLoading.value = false }
 }
@@ -1108,6 +1109,10 @@ const onMaterialSelected = async (val: number) => {
     form.material_type = item.type
     form.category = item.category
     form.unit = item.unit
+    // 切换物料时清空已选 BOM，防止脏数据
+    form.bom_code = ''
+    form.bom_version = ''
+    bomOptions.value = []
 
     // 获取该物料历史入库库位（新增独立接口）
     try {
diff --git a/inventory-web/src/views/stock/inbound/semi.vue b/inventory-web/src/views/stock/inbound/semi.vue
index 1d6948d..51a6942 100644
--- a/inventory-web/src/views/stock/inbound/semi.vue
+++ b/inventory-web/src/views/stock/inbound/semi.vue
@@ -526,7 +526,8 @@
                         filterable
                         remote
                         clearable
-                        placeholder="搜规格/编号"
+                        :disabled="!form.spec_model"
+                        :placeholder="!form.spec_model ? '请先在上方选择入库物料' : '搜规格/编号'"
                         :remote-method="handleSearchBom"
                         :loading="bomSearchLoading"
                         @change="handleBomSelect"
@@ -603,15 +604,15 @@
       </template>
     </el-dialog>
 
-    <el-dialog v-model="dialogVisibleImage" append-to-body width="50%"><img style="width: 100%" :src="dialogImageUrl" alt="Preview Image" /></el-dialog>
-    <el-dialog v-model="cameraDialogVisible" title="拍照上传" width="500px" append-to-body destroy-on-close :close-on-click-modal="false">
+    <el-dialog v-model="dialogVisibleImage" append-to-body width="50%" :close-on-click-modal="false" :close-on-press-escape="false"><img style="width: 100%" :src="dialogImageUrl" alt="Preview Image" /></el-dialog>
+    <el-dialog v-model="cameraDialogVisible" title="拍照上传" width="500px" append-to-body destroy-on-close :close-on-click-modal="false" :close-on-press-escape="false">
       <WebRtcCamera
           ref="cameraRef"
           @photo-submit="handleCameraConfirm"
           @cancel="cameraDialogVisible = false"
       />
     </el-dialog>
-    <el-dialog v-model="printVisible" title="标签打印预览" width="400px" destroy-on-close append-to-body>
+    <el-dialog v-model="printVisible" title="标签打印预览" width="400px" destroy-on-close append-to-body :close-on-click-modal="false" :close-on-press-escape="false">
       <div style="text-align: center;">
         <div v-loading="printLoading" class="preview-box">
           <img v-if="previewUrl" :src="previewUrl" alt="Label Preview" style="width: 100%; border: 1px solid #ccc;"/>
@@ -1004,7 +1005,7 @@ watch(
 const handleSearchBom = async (query: string) => {
   bomSearchLoading.value = true
   try {
-    const res: any = await searchBom(query)
+    const res: any = await searchBom(query, form.spec_model)
     bomOptions.value = res.data || []
   } finally { bomSearchLoading.value = false }
 }
@@ -1102,6 +1103,10 @@ const onMaterialSelected = async (val: number) => {
     form.category = item.category
     form.unit = item.unit
     form.material_type = item.type
+    // 切换物料时清空已选 BOM，防止脏数据
+    form.bom_code = ''
+    form.bom_version = ''
+    bomOptions.value = []
     checkHistoryAndSetMode(item.id)
 
     // 获取该物料历史入库库位（新增独立接口）