diff --git a/inventory-backend/app/api/v1/inbound/__init__.py b/inventory-backend/app/api/v1/inbound/__init__.py
index 26ce172..05968d0 100644
--- a/inventory-backend/app/api/v1/inbound/__init__.py
+++ b/inventory-backend/app/api/v1/inbound/__init__.py
@@ -10,6 +10,7 @@ from .base import inbound_base_bp
 from .product import inbound_product_bp
 from .inbound_summary import bp as inbound_summary_bp
 from .stock import bp as inbound_stock_bp
+from .repair import inbound_repair_bp
 
 # 导入 service 模块，使其路由装饰器可以正常注册到 inbound_bp 上
 from . import service
@@ -21,5 +22,6 @@ inbound_bp.register_blueprint(inbound_base_bp, url_prefix='/base')
 inbound_bp.register_blueprint(inbound_product_bp, url_prefix='/product')
 inbound_bp.register_blueprint(inbound_summary_bp, url_prefix='/summary')
 inbound_bp.register_blueprint(inbound_stock_bp, url_prefix='/stock')
+inbound_bp.register_blueprint(inbound_repair_bp, url_prefix='/repair')
 
 # service 模块的路由已经直接附加到 inbound_bp，无需再注册子蓝图
diff --git a/inventory-backend/app/api/v1/inbound/repair.py b/inventory-backend/app/api/v1/inbound/repair.py
new file mode 100644
index 0000000..6c690f8
--- /dev/null
+++ b/inventory-backend/app/api/v1/inbound/repair.py
@@ -0,0 +1,137 @@
+# inventory-backend/app/api/v1/inbound/repair.py
+from flask import Blueprint, request, jsonify
+from app.services.inbound.repair_service import RepairInboundService
+from app.utils.decorators import permission_required, audit_log
+import traceback
+
+inbound_repair_bp = Blueprint('inbound_repair', __name__)
+
+
+# ------------------------------------------------------------------
+# 1. 获取维修单列表
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/list', methods=['GET'])
+@permission_required('inbound_repair:list')
+def get_list():
+    try:
+        params = {
+            'page': request.args.get('page', 1, type=int),
+            'page_size': request.args.get('page_size', 20, type=int),
+            'repair_no': request.args.get('repair_no'),
+            'sku': request.args.get('sku'),
+            'material_name': request.args.get('material_name'),
+            'serial_number': request.args.get('serial_number'),
+            'repair_status': request.args.get('repair_status'),
+        }
+        result = RepairInboundService.get_list(params)
+        return jsonify({'code': 200, 'msg': 'success', 'data': result})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({'code': 500, 'msg': str(e)}), 500
+
+
+# ------------------------------------------------------------------
+# 2. 新增维修单
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/submit', methods=['POST'])
+@permission_required('inbound_repair:add')
+@audit_log(
+    module='维修管理',
+    action='新增',
+    get_target_name_fn=lambda: request.get_json().get('repair_no') if request.get_json() else None
+)
+def create():
+    try:
+        data = request.get_json()
+        result = RepairInboundService.create(data)
+        return jsonify({'code': 200, 'msg': 'success', 'data': result})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({'code': 500, 'msg': str(e)}), 500
+
+
+# ------------------------------------------------------------------
+# 3. 更新维修单
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/<int:id>', methods=['PUT'])
+@permission_required('inbound_repair:edit')
+@audit_log(
+    module='维修管理',
+    action='更新',
+    get_target_name_fn=lambda: f"维修单ID:{request.view_args.get('id')}"
+)
+def update(id):
+    try:
+        data = request.get_json()
+        result = RepairInboundService.update(id, data)
+        if not result:
+            return jsonify({'code': 404, 'msg': '维修单不存在'}), 404
+        return jsonify({'code': 200, 'msg': 'success', 'data': result})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({'code': 500, 'msg': str(e)}), 500
+
+
+# ------------------------------------------------------------------
+# 4. 更新维修状态
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/update-status', methods=['POST'])
+@permission_required('inbound_repair:edit')
+@audit_log(
+    module='维修管理',
+    action='更新状态',
+    get_target_name_fn=lambda: f"维修单ID:{request.get_json().get('id')}"
+)
+def update_status():
+    try:
+        data = request.get_json()
+        id = data.get('id')
+        status = data.get('status')
+        repair_log = data.get('repair_log')
+        if not id or not status:
+            return jsonify({'code': 400, 'msg': 'id 和 status 不能为空'}), 400
+        
+        result = RepairInboundService.update_status(id, status, repair_log)
+        if not result:
+            return jsonify({'code': 404, 'msg': '维修单不存在'}), 404
+        return jsonify({'code': 200, 'msg': 'success', 'data': result})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({'code': 500, 'msg': str(e)}), 500
+
+
+# ------------------------------------------------------------------
+# 5. 删除维修单
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/<int:id>', methods=['DELETE'])
+@permission_required('inbound_repair:delete')
+@audit_log(
+    module='维修管理',
+    action='删除',
+    get_target_name_fn=lambda: f"维修单ID:{request.view_args.get('id')}"
+)
+def delete(id):
+    try:
+        success = RepairInboundService.delete(id)
+        if not success:
+            return jsonify({'code': 404, 'msg': '维修单不存在'}), 404
+        return jsonify({'code': 200, 'msg': '删除成功'})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({'code': 500, 'msg': str(e)}), 500
+
+
+# ------------------------------------------------------------------
+# 6. 获取维修单详情
+# ------------------------------------------------------------------
+@inbound_repair_bp.route('/<int:id>', methods=['GET'])
+@permission_required('inbound_repair:list')
+def get_detail(id):
+    try:
+        result = RepairInboundService.get_by_id(id)
+        if not result:
+            return jsonify({'code': 404, 'msg': '维修单不存在'}), 404
+        return jsonify({'code': 200, 'msg': 'success', 'data': result})
+    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/services/inbound/repair_service.py b/inventory-backend/app/services/inbound/repair_service.py
new file mode 100644
index 0000000..f720f8d
--- /dev/null
+++ b/inventory-backend/app/services/inbound/repair_service.py
@@ -0,0 +1,216 @@
+# inventory-backend/app/services/inbound/repair_service.py
+from app.extensions import db
+from app.models.transaction import TransRepair
+from app.models.base import MaterialBase
+from datetime import datetime, timezone
+import random
+import string
+
+
+class RepairInboundService:
+
+    @staticmethod
+    def _generate_repair_no():
+        """
+        生成唯一的维修单号
+        格式: REP-YYYYMMDD-XXXX (X为随机大写字母或数字)
+        防重复策略: 
+        1. 先尝试生成4位随机序列
+        2. 检查数据库中是否存在该单号
+        3. 如果冲突，重试最多10次
+        4. 如果10次都冲突，加入时间戳毫秒数确保唯一
+        """
+        for _ in range(10):
+            date_str = datetime.now().strftime('%Y%m%d')
+            random_str = ''.join(random.choices(string.ascii_uppercase + string.digits, k=4))
+            repair_no = f"REP-{date_str}-{random_str}"
+            
+            # 检查是否已存在
+            exists = TransRepair.query.filter_by(repair_no=repair_no).first()
+            if not exists:
+                return repair_no
+        
+        # 兜底策略：使用时间戳毫秒
+        timestamp = int(datetime.now().timestamp() * 1000) % 100000
+        date_str = datetime.now().strftime('%Y%m%d')
+        return f"REP-{date_str}-{timestamp:05d}"
+
+    @staticmethod
+    def get_list(params):
+        """
+        获取维修单列表
+        支持按 repair_no, sku, material_name, serial_number, repair_status 模糊查询
+        实现分页
+        """
+        page = params.get('page', 1)
+        page_size = params.get('page_size', 20)
+        
+        query = TransRepair.query
+        
+        # 模糊查询条件
+        if params.get('repair_no'):
+            query = query.filter(TransRepair.repair_no.ilike(f"%{params['repair_no']}%"))
+        if params.get('sku'):
+            query = query.filter(TransRepair.sku.ilike(f"%{params['sku']}%"))
+        if params.get('serial_number'):
+            query = query.filter(TransRepair.serial_number.ilike(f"%{params['serial_number']}%"))
+        if params.get('repair_status'):
+            query = query.filter(TransRepair.repair_status == params['repair_status'])
+        
+        # 关联 MaterialBase 查询物料名称
+        if params.get('material_name'):
+            query = query.join(MaterialBase, TransRepair.base_id == MaterialBase.id).filter(
+                MaterialBase.name.ilike(f"%{params['material_name']}%")
+            )
+        
+        # 按创建时间倒序
+        query = query.order_by(db.desc(TransRepair.id))
+        
+        # 分页
+        pagination = query.paginate(page=page, per_page=page_size, error_out=False)
+        
+        items = []
+        for item in pagination.items:
+            item_dict = item.to_dict()
+            # 如果有 base_id，尝试获取物料名称
+            if item.base_id:
+                base = MaterialBase.query.get(item.base_id)
+                if base:
+                    item_dict['material_name'] = base.name
+                    item_dict['company_name'] = base.company_name
+            items.append(item_dict)
+        
+        return {
+            'list': items,
+            'total': pagination.total,
+            'page': page,
+            'page_size': page_size
+        }
+
+    @staticmethod
+    def create(data):
+        """
+        新增维修单
+        核心要求:
+        1. 生成以 REP- 打头的自增维修单号
+        2. 支持自动获取传入的 base_id 获取基础物料名称
+        """
+        # 生成维修单号
+        repair_no = RepairInboundService._generate_repair_no()
+        
+        # 获取物料信息
+        material_name = None
+        company_name = None
+        sku = data.get('sku')
+        if data.get('base_id'):
+            base = MaterialBase.query.get(data['base_id'])
+            if base:
+                material_name = base.name
+                company_name = base.company_name
+                if not sku:
+                    sku = base.code
+        
+        repair = TransRepair(
+            repair_no=repair_no,
+            base_id=data.get('base_id'),
+            sku=sku or data.get('sku'),
+            serial_number=data.get('serial_number'),
+            arrival_date=data.get('arrival_date'),
+            repair_status=data.get('repair_status', '待检测'),
+            fault_description=data.get('fault_description'),
+            expected_repair_time=data.get('expected_repair_time'),
+            repair_result=data.get('repair_result'),
+            repair_manager=data.get('repair_manager'),
+            shipping_date=data.get('shipping_date'),
+            related_contract_id=data.get('related_contract_id'),
+            cost_price=data.get('cost_price'),
+            sale_price=data.get('sale_price'),
+            company_id=data.get('company_id'),
+            source_table=data.get('source_table'),
+            stock_id=data.get('stock_id'),
+            is_self_made=data.get('is_self_made', False),
+            related_product_id=data.get('related_product_id'),
+        )
+        
+        db.session.add(repair)
+        db.session.commit()
+        
+        result = repair.to_dict()
+        result['material_name'] = material_name
+        result['company_name'] = company_name
+        return result
+
+    @staticmethod
+    def update(id, data):
+        """
+        更新维修单
+        """
+        repair = TransRepair.query.get(id)
+        if not repair:
+            return None
+        
+        # 可更新字段
+        updatable_fields = [
+            'base_id', 'sku', 'serial_number', 'arrival_date', 'repair_status',
+            'fault_description', 'expected_repair_time', 'repair_result',
+            'repair_manager', 'shipping_date', 'related_contract_id',
+            'cost_price', 'sale_price', 'company_id'
+        ]
+        
+        for field in updatable_fields:
+            if field in data:
+                setattr(repair, field, data[field])
+        
+        db.session.commit()
+        return repair.to_dict()
+
+    @staticmethod
+    def update_status(id, status, repair_log=None):
+        """
+        专门用于更新维修状态和追加维修日志
+        """
+        repair = TransRepair.query.get(id)
+        if not repair:
+            return None
+        
+        repair.repair_status = status
+        
+        # 追加维修日志
+        if repair_log:
+            if repair.repair_result:
+                repair.repair_result = repair.repair_result + '\n' + f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] {repair_log}"
+            else:
+                repair.repair_result = f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] {repair_log}"
+        
+        db.session.commit()
+        return repair.to_dict()
+
+    @staticmethod
+    def delete(id):
+        """
+        删除维修单
+        """
+        repair = TransRepair.query.get(id)
+        if not repair:
+            return False
+        
+        db.session.delete(repair)
+        db.session.commit()
+        return True
+
+    @staticmethod
+    def get_by_id(id):
+        """
+        根据ID获取维修单详情
+        """
+        repair = TransRepair.query.get(id)
+        if not repair:
+            return None
+        
+        item_dict = repair.to_dict()
+        if repair.base_id:
+            base = MaterialBase.query.get(repair.base_id)
+            if base:
+                item_dict['material_name'] = base.name
+                item_dict['company_name'] = base.company_name
+        return item_dict
\ No newline at end of file