添加设置模块修复网关信息MAC地址跳转问题，删除冗余的文件和代码

src/app/dashboard/page.tsx

@@ -1,11 +1,12 @@
 'use client'
 
 import { useState, useEffect } from 'react'
-import { useRouter } from 'next/navigation'
+import { useRouter, useSearchParams } from 'next/navigation'
 import Gatewayinfo from './components/gatewayinfo'
 import GatewayConfig from './components/gatewayConfig'
 import CityNodeStats from './components/cityNodeStats'
 import AllocationStatus from './components/allocationStatus'
+import Settings from './components/settings'
 import Edge from './components/edge'
 import { LogOut } from 'lucide-react'
 
@@ -14,24 +15,23 @@ const tabs = [
   { id: 'gateway', label: '网关配置' },
   { id: 'city', label: '城市信息' },
   { id: 'allocation', label: '分配状态' },
-  { id: 'edge', label: '节点信息' }
+  { id: 'edge', label: '节点信息' },
+  { id: 'setting', label: '设置'}
 ]
 
 export default function Dashboard() {
   const [activeTab, setActiveTab] = useState('gatewayInfo')
   const [isLoading, setIsLoading] = useState(false)
   const router = useRouter()
+  const searchParams = useSearchParams()
   
-  // 从 URL 中获取 tab 参数
+  // 监听URL参数变化
   useEffect(() => {
-    if (typeof window !== 'undefined') {
-      const urlParams = new URLSearchParams(window.location.search)
-      const urlTab = urlParams.get('tab')
-      if (urlTab && tabs.some(tab => tab.id === urlTab)) {
-        setActiveTab(urlTab)
-      }
+    const urlTab = searchParams.get('tab')
+    if (urlTab && tabs.some(tab => tab.id === urlTab)) {
+      setActiveTab(urlTab)
     }
-  }, [])
+  }, [searchParams])
 
   // 退出登录
   const handleLogout = async () => {
@@ -58,7 +58,9 @@ export default function Dashboard() {
   const handleTabClick = (tabId: string) => {
     setActiveTab(tabId)
     // 更新 URL 参数
-    router.push(`/dashboard?tab=${tabId}`)
+    const params = new URLSearchParams(searchParams.toString())
+    params.set('tab', tabId)
+    router.push(`/dashboard?${params.toString()}`)
   }
 
   return (
@@ -108,6 +110,7 @@ export default function Dashboard() {
           {activeTab === 'city' && <CityNodeStats />}
           {activeTab === 'allocation' && <AllocationStatus detailed />}
           {activeTab === 'edge' && <Edge />}
+          {activeTab === 'setting' && <Settings/>}
         </div>
       </div>
     </div>