diff --git a/inventory-backend/app/api/v1/inbound/base.py b/inventory-backend/app/api/v1/inbound/base.py
index 2660e0a..50aa051 100644
--- a/inventory-backend/app/api/v1/inbound/base.py
+++ b/inventory-backend/app/api/v1/inbound/base.py
@@ -1,8 +1,10 @@
 # 文件路径: app/api/v1/inbound/base.py
 
 from flask import Blueprint, request, jsonify, send_file, g
+from app.extensions import db
 from app.services.inbound.base_service import MaterialBaseService
 from app.utils.decorators import login_required, permission_required, audit_log
+from app.models.base import MaterialBase, MaterialWarningSetting
 import traceback
 import datetime
 import json
@@ -348,8 +350,6 @@ def batch_set_warning():
         if not isinstance(data, list):
             return jsonify({"code": 400, "msg": "请求体必须为数组"})
 
-        from app.models.base import MaterialWarningSetting
-
         updated_count = 0
         created_count = 0