diff --git a/src/frontend/src/components/pages/welcome/ConnectionConfigModal.jsx b/src/frontend/src/components/pages/welcome/ConnectionConfigModal.jsx
index 11e2fa6..c319126 100644
--- a/src/frontend/src/components/pages/welcome/ConnectionConfigModal.jsx
+++ b/src/frontend/src/components/pages/welcome/ConnectionConfigModal.jsx
@@ -18,12 +18,9 @@ import {
 import { motion, AnimatePresence } from 'framer-motion';
 import { IoClose } from 'react-icons/io5';
 import { FiCheck } from 'react-icons/fi';
+import ConfigTool, { defaultConfig } from '@/libs/config/ConfigTool';
 
 const MotionBox = motion(Box);
-const defaultConfig = {
-  backendUrl: '',
-  authKey: '',
-};
 
 /**
  * 连接地址配置组件
@@ -39,10 +36,7 @@ const ConnectionConfigModal = ({ isOpen, onClose, onSave }) => {
   const backendRef = useRef(null);
 
   useEffect(() => {
-    const savedData = localStorage.getItem('connection-config');
-    if (savedData) {
-      setConfig(JSON.parse(savedData));
-    }
+    setConfig(ConfigTool.load());
   }, []);
 
   const handleChange = (e) => {
@@ -51,7 +45,7 @@ const ConnectionConfigModal = ({ isOpen, onClose, onSave }) => {
   };
 
   const handleSave = () => {
-    localStorage.setItem('connection-config', JSON.stringify(config));
+    ConfigTool.save(config);
     onSave(config);
     setSaved(true);
     setTimeout(() => {
@@ -61,8 +55,9 @@ const ConnectionConfigModal = ({ isOpen, onClose, onSave }) => {
   };
 
   const handleClear = () => {
-    localStorage.removeItem('connection-config');
+    ConfigTool.clear();
     setConfig(defaultConfig);
+    onClose();
   };
 
   return (
@@ -155,8 +150,8 @@ const ConnectionConfigModal = ({ isOpen, onClose, onSave }) => {
                   color={'white'}
                   onClick={handleSave}
                   isDisabled={saved}
-                  position={'relative'}
                   width={'80px'}
+                  position={'relative'}
                   _hover={{ bg: 'rgba(0, 0, 255, 0.3)' }}
                 >
                   <AnimatePresence initial={false} mode={'wait'}>
diff --git a/src/frontend/src/components/pages/welcome/WelcomeContent.jsx b/src/frontend/src/components/pages/welcome/WelcomeContent.jsx
index 1beb393..c5b4245 100644
--- a/src/frontend/src/components/pages/welcome/WelcomeContent.jsx
+++ b/src/frontend/src/components/pages/welcome/WelcomeContent.jsx
@@ -4,6 +4,7 @@ import FadeInWrapper from '@/components/system/layout/FadeInWrapper';
 import { useState, useEffect } from 'react';
 import ConnectionConfigModal from '@/components/pages/welcome/ConnectionConfigModal';
 import ConfigureCard from '@/components/pages/welcome/ConfigureCard';
+import ConfigTool from '@/libs/config/ConfigTool';
 
 /**
  * 欢迎页面内容
@@ -16,7 +17,7 @@ const WelcomeContent = () => {
   //const [showAlert, setShowAlert] = useState(false);
 
   useEffect(() => {
-    const saved = localStorage.getItem('connection-config');
+    const saved = ConfigTool.load();
     if (saved) {
       setIsConfigured(true);
     }
diff --git a/src/frontend/src/libs/config/ConfigTool.js b/src/frontend/src/libs/config/ConfigTool.js
new file mode 100644
index 0000000..adda66c
--- /dev/null
+++ b/src/frontend/src/libs/config/ConfigTool.js
@@ -0,0 +1,85 @@
+const CONFIG_KEY = 'app_config';
+
+export const defaultConfig = {
+  backendUrl: '',
+  authKey: '',
+};
+
+/**
+ * 浏览器环境配置操作工具
+ */
+const ConfigTool = {
+  /**
+   * 从本地存储读取配置
+   * @returns {{backendUrl: string, authKey: string}}
+   */
+  load: () => {
+    try {
+      const stored = localStorage.getItem(CONFIG_KEY);
+      if (stored) {
+        return { ...defaultConfig, ...JSON.parse(stored) };
+      }
+    } catch (e) {
+      console.error('读取配置失败:', e);
+      localStorage.removeItem(CONFIG_KEY);
+    }
+    return { ...defaultConfig };
+  },
+
+  /**
+   * 保存配置到本地存储
+   * @param {Object} config - 要保存的配置对象
+   * @returns {boolean} 是否保存成功
+   */
+  save: (config) => {
+    try {
+      localStorage.setItem(CONFIG_KEY, JSON.stringify(config));
+      //console.log(`正在保存配置：${JSON.stringify(config)}`);
+      //console.log(`测试读取配置：${JSON.stringify(ConfigTool.load())}`);
+      return true;
+    } catch (e) {
+      console.error('保存配置失败:', e);
+      if (e.name === 'QuotaExceededError') {
+        alert('存储空间不足，请清理后重试');
+      }
+      return false;
+    }
+  },
+
+  /**
+   * 清除配置
+   * @returns {boolean} 是否清除成功
+   */
+  clear: () => {
+    try {
+      localStorage.removeItem(CONFIG_KEY);
+      return true;
+    } catch (e) {
+      console.error('清除配置失败:', e);
+      return false;
+    }
+  },
+
+  /**
+   * 获取存储标识（浏览器环境返回固定值）
+   * @returns {string}
+   */
+  getConfigPath: () => `localStorage:${CONFIG_KEY}`,
+
+  /**
+   * 检查存储是否可用
+   * @returns {boolean}
+   */
+  isStorageAvailable: () => {
+    try {
+      const testKey = 'test';
+      localStorage.setItem(testKey, testKey);
+      localStorage.removeItem(testKey);
+      return true;
+    } catch (e) {
+      return false;
+    }
+  },
+};
+
+export default ConfigTool;
diff --git a/src/frontend/src/libs/system/Notification.jsx b/src/frontend/src/libs/system/Notification.jsx
index 701f35f..ae772e0 100644
--- a/src/frontend/src/libs/system/Notification.jsx
+++ b/src/frontend/src/libs/system/Notification.jsx
@@ -1,5 +1,5 @@
 import React, { createContext, useContext, useState, useCallback } from 'react';
-import { Box, Alert, Button, Icon, Text } from '@chakra-ui/react';
+import { Box, Button, Icon, Text } from '@chakra-ui/react';
 import { AnimatePresence, motion } from 'framer-motion';
 import { AiOutlineInfoCircle, AiFillWarning } from 'react-icons/ai';
 
diff --git a/src/frontend/src/pages/ScanPage.jsx b/src/frontend/src/pages/ScanPage.jsx
index 508493b..6e9fdb7 100644
--- a/src/frontend/src/pages/ScanPage.jsx
+++ b/src/frontend/src/pages/ScanPage.jsx
@@ -15,7 +15,7 @@ import DocumentTitle from '@/components/system/pages/DocumentTitle';
 import PageContainer from '@/components/system/PageContainer';
 import DashboardBackground from '@/components/system/pages/DashboardBackground';
 import FadeInWrapper from '@/components/system/layout/FadeInWrapper';
-import { api } from '@/services/api';
+import { api } from '@/services/api/api';
 import { useNotification } from '@/libs/system/Notification';
 
 /**
@@ -32,18 +32,10 @@ const ScanPage = () => {
 
   useEffect(() => {
     const fetchLocalInfo = async () => {
-      try {
-        const res = await api.test();
-        if (res.message) {
-          setLocalIp(res.local_ip || '172.17.99.208');
-          if (!subnet) {
-            const ipParts = (res.local_ip || '172.17.99.208').split('.');
-            setSubnet(`${ipParts[0]}.${ipParts[1]}.${ipParts[2]}.0/24`);
-          }
-        }
-      } catch (err) {
-        setLocalIp('未知');
-        notify.error({ title: '获取后端信息失败' });
+      setLocalIp('172.17.99.208');
+      if (!subnet) {
+        const ipParts = '172.17.99.208'.split('.');
+        setSubnet(`${ipParts[0]}.${ipParts[1]}.${ipParts[2]}.0/24`);
       }
     };
     fetchLocalInfo();
diff --git a/src/frontend/src/services/api.js b/src/frontend/src/services/api.js
deleted file mode 100644
index 3b051fe..0000000
--- a/src/frontend/src/services/api.js
+++ /dev/null
@@ -1,51 +0,0 @@
-/**
- * 获取config
- * @returns {any|null}
- */
-export const getConfig = () => {
-  const cfg = localStorage.getItem('connection-config');
-  return cfg ? JSON.parse(cfg) : null;
-};
-
-/**
- * 获取后端url
- * @returns {string}
- */
-export const getBaseUrl = () => {
-  const cfg = getConfig();
-  return cfg?.backendUrl || '';
-};
-
-/**
- * fetchUrl
- * @param path 路径
- * @param options 选项
- * @returns {Promise<any>}
- */
-const fetchWithBase = async (path, options = {}) => {
-  const base = getBaseUrl();
-  const res = await fetch(`${base}${path}`, options);
-  return res.json();
-};
-
-/**
- * api模块
- * @type {{test: (function(): Promise<*>), scan: (function(*): Promise<*>), listDevices: (function(): Promise<*>), parseCommand: (function(*): Promise<*>), applyConfig: (function(*, *): Promise<*>)}}
- */
-export const api = {
-  test: () => fetchWithBase('/api/test'),
-  scan: (subnet) => fetchWithBase(`/api/scan_network?subnet=${encodeURIComponent(subnet)}`),
-  listDevices: () => fetchWithBase('/api/list_devices'),
-  parseCommand: (text) =>
-    fetchWithBase('/api/parse_command', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify({ command: text }),
-    }),
-  applyConfig: (switch_ip, config) =>
-    fetchWithBase('/api/apply_config', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify({ switch_ip, config }),
-    }),
-};
diff --git a/src/frontend/src/services/api/api.js b/src/frontend/src/services/api/api.js
new file mode 100644
index 0000000..47a9b84
--- /dev/null
+++ b/src/frontend/src/services/api/api.js
@@ -0,0 +1,100 @@
+import axios from 'axios';
+import ConfigTool from '@/libs/config/ConfigTool';
+
+/**
+ * 创建带基础URL的axios实例
+ */
+const apiClient = axios.create({
+  baseURL: ConfigTool.load().backendUrl || '',
+  timeout: 10000,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+// 请求拦截器
+apiClient.interceptors.request.use(
+  (config) => {
+    const cfg = ConfigTool.load();
+    if (cfg?.authKey) {
+      config.headers['Authorization'] = `Bearer ${cfg.authKey}`;
+    }
+    return config;
+  },
+  (error) => {
+    return Promise.reject(error);
+  }
+);
+
+// 响应拦截器
+apiClient.interceptors.response.use(
+  (response) => response.data,
+  (error) => {
+    console.error('API请求错误:', error);
+    return Promise.reject(error.response?.data || error.message);
+  }
+);
+
+/**
+ * API模块
+ */
+export const api = {
+  /**
+   * 测试API连接
+   * @returns {Promise<axios.AxiosResponse<any>>}
+   */
+  test: () => apiClient.get('/api/test'),
+
+  /**
+   * 扫描网络
+   * @param subnet 子网地址
+   * @returns {Promise<axios.AxiosResponse<any>>}
+   */
+  scan: (subnet) => apiClient.get(`/api/scan_network`, { params: { subnet } }),
+
+  /**
+   * 列出所有设备
+   * @returns {Promise<axios.AxiosResponse<any>>}
+   */
+  listDevices: () => apiClient.get('/api/list_devices'),
+
+  /**
+   * 解析命令
+   * @param text 文本
+   * @returns {Promise<axios.AxiosResponse<any>>}
+   */
+  parseCommand: (text) => apiClient.post('/api/parse_command', { command: text }),
+
+  /**
+   * 应用配置
+   * @param switch_ip 交换机ip
+   * @param config 配置
+   * @returns {Promise<axios.AxiosResponse<any>>}
+   */
+  applyConfig: (switch_ip, config) => apiClient.post('/api/apply_config', { switch_ip, config }),
+
+  /**
+   * 更新基础URL
+   * @param url
+   */
+  updateBaseUrl: (url) => {
+    const config = ConfigTool.load();
+    config.backendUrl = url;
+    ConfigTool.save(config);
+    apiClient.defaults.baseURL = url;
+  },
+};
+
+/**
+ * 获取当前配置
+ * @returns {{backendUrl: string, authKey: string}}
+ */
+export const getConfig = () => ConfigTool.load();
+
+/**
+ * 获取基础URL
+ * @returns {string|string}
+ */
+export const getBaseUrl = () => ConfigTool.load().backendUrl || '';
+
+export default apiClient;