diff --git a/inventory-backend/app/api/v1/inbound/product.py b/inventory-backend/app/api/v1/inbound/product.py
index bfbcbfc..c276606 100644
--- a/inventory-backend/app/api/v1/inbound/product.py
+++ b/inventory-backend/app/api/v1/inbound/product.py
@@ -165,6 +165,23 @@ def get_manager_history():
     try:
         data = ProductInboundService.get_history_managers(keyword)
         return jsonify({"code": 200, "msg": "success", "data": data})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({"code": 500, "msg": str(e)}), 500
+
+# ------------------------------------------------------------------
+# 9. BOM 原材料成本自动核算 (新增)
+# ------------------------------------------------------------------
+@inbound_product_bp.route('/calculate-bom-cost', methods=['GET'])
+@permission_required('inbound_product')
+def calculate_bom_cost():
+    try:
+        bom_code = request.args.get('bom_code')
+        bom_version = request.args.get('bom_version')
+        if not bom_code or not bom_version:
+            return jsonify({"code": 400, "msg": "bom_code和bom_version不能为空"}), 400
+        cost = ProductInboundService.calculate_bom_cost(bom_code, bom_version)
+        return jsonify({"code": 200, "msg": "success", "data": cost})
     except Exception as e:
         traceback.print_exc()
         return jsonify({"code": 500, "msg": str(e)}), 500
\ No newline at end of file
diff --git a/inventory-backend/app/api/v1/inbound/semi.py b/inventory-backend/app/api/v1/inbound/semi.py
index c121ba4..1939d56 100644
--- a/inventory-backend/app/api/v1/inbound/semi.py
+++ b/inventory-backend/app/api/v1/inbound/semi.py
@@ -162,6 +162,23 @@ def get_manager_history():
     try:
         data = SemiInboundService.get_history_managers(keyword)
         return jsonify({"code": 200, "msg": "success", "data": data})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({"code": 500, "msg": str(e)}), 500
+
+# ------------------------------------------------------------------
+# 9. BOM 原材料成本自动核算 (新增)
+# ------------------------------------------------------------------
+@inbound_semi_bp.route('/calculate-bom-cost', methods=['GET'])
+@permission_required('inbound_semi')
+def calculate_bom_cost():
+    try:
+        bom_code = request.args.get('bom_code')
+        bom_version = request.args.get('bom_version')
+        if not bom_code or not bom_version:
+            return jsonify({"code": 400, "msg": "bom_code和bom_version不能为空"}), 400
+        cost = SemiInboundService.calculate_bom_cost(bom_code, bom_version)
+        return jsonify({"code": 200, "msg": "success", "data": cost})
     except Exception as e:
         traceback.print_exc()
         return jsonify({"code": 500, "msg": str(e)}), 500
\ No newline at end of file
diff --git a/inventory-web/src/api/inbound/product.ts b/inventory-web/src/api/inbound/product.ts
index 4bddee6..c65f671 100644
--- a/inventory-web/src/api/inbound/product.ts
+++ b/inventory-web/src/api/inbound/product.ts
@@ -42,7 +42,7 @@ export function searchMaterialBase(keyword: string, page: number = 1) {
     })
 }
 
-// 搜索BOM (新增)
+// 搜索BOM
 export function searchBom(keyword: string) {
     return request({
         url: '/inbound/product/search-bom',
@@ -68,11 +68,20 @@ export function getFilterOptions() {
     })
 }
 
-// [新增] 负责人历史记录
+// [新增] 负责人历史记录全局查询
 export function getManagerHistory(params: any) {
     return request({
         url: '/inbound/product/suggestions/managers',
         method: 'get',
         params
     })
+}
+
+// [新增] BOM 成本自动计算
+export function calculateBomCost(params: {bom_code: string, bom_version: string}) {
+    return request({
+        url: '/inbound/product/calculate-bom-cost',
+        method: 'get',
+        params
+    })
 }
\ No newline at end of file
diff --git a/inventory-web/src/api/inbound/semi.ts b/inventory-web/src/api/inbound/semi.ts
index 58da771..b3964d3 100644
--- a/inventory-web/src/api/inbound/semi.ts
+++ b/inventory-web/src/api/inbound/semi.ts
@@ -70,11 +70,20 @@ export function getFilterOptions() {
     })
 }
 
-// [新增] 生产负责人历史记录
+// [新增] 生产负责人历史记录全局查询
 export function getManagerHistory(params: any) {
     return request({
         url: '/inbound/semi/suggestions/managers',
         method: 'get',
         params
     })
+}
+
+// [新增] BOM 成本自动计算
+export function calculateBomCost(params: {bom_code: string, bom_version: string}) {
+    return request({
+        url: '/inbound/semi/calculate-bom-cost',
+        method: 'get',
+        params
+    })
 }
\ No newline at end of file