diff --git a/.qwen/settings.json b/.qwen/settings.json
index 10d6b5c..d0e48be 100644
--- a/.qwen/settings.json
+++ b/.qwen/settings.json
@@ -4,5 +4,6 @@
       "Bash(git add *)",
       "Bash(git commit *)"
     ]
-  }
+  },
+  "$version": 3
 }
\ No newline at end of file
diff --git a/.qwen/settings.json.orig b/.qwen/settings.json.orig
new file mode 100644
index 0000000..10d6b5c
--- /dev/null
+++ b/.qwen/settings.json.orig
@@ -0,0 +1,8 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(git add *)",
+      "Bash(git commit *)"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/deploy.tar.gz b/deploy.tar.gz
index d4ee3da..20034c9 100644
Binary files a/deploy.tar.gz and b/deploy.tar.gz differ
diff --git a/inventory-backend/app/api/v1/warehouse.py b/inventory-backend/app/api/v1/warehouse.py
index 4c5139c..ad42d4f 100644
--- a/inventory-backend/app/api/v1/warehouse.py
+++ b/inventory-backend/app/api/v1/warehouse.py
@@ -171,10 +171,13 @@ def delete_location(location_id):
     """
     try:
         location = SysWarehouseLocation.query.get(location_id)
-        
+
         if not location:
             return jsonify({'code': 404, 'msg': '库位不存在', 'data': None})
-        
+
+        # 在删除前提取属性，避免 commit 后访问已删除对象
+        location_code = location.location_code
+
         # 递归删除所有子库位
         def delete_recursive(loc):
             # 先删除所有子节点
@@ -183,14 +186,14 @@ def delete_location(location_id):
                 delete_recursive(child)
             # 再删除自身
             db.session.delete(loc)
-        
+
         delete_recursive(location)
         db.session.commit()
 
         return jsonify({
             'code': 200,
             'msg': '删除成功',
-            'location_code': location.location_code
+            'location_code': location_code
         })
     except Exception as e:
         db.session.rollback()
diff --git a/inventory-backend/app/services/print/printer_config.json b/inventory-backend/app/services/print/printer_config.json
index e402bc2..fd87d21 100644
--- a/inventory-backend/app/services/print/printer_config.json
+++ b/inventory-backend/app/services/print/printer_config.json
@@ -1,6 +1,6 @@
 {
   "label_printer": {
-    "ip": "172.16.0.119",
+    "ip": "192.168.9.14",
     "port": 9100
   },
   "network_printer": {
diff --git a/inventory-backend/打印测试代码.py b/inventory-backend/打印测试代码.py
index d9e7257..5fe1aa1 100644
--- a/inventory-backend/打印测试代码.py
+++ b/inventory-backend/打印测试代码.py
@@ -1,7 +1,7 @@
 import socket
 
 # ================= 配置区域 =================
-PRINTER_IP = '192.168.9.89'
+PRINTER_IP = '192.168.9.101'
 PRINTER_PORT = 9100