diff --git a/backend/cmd/main.go b/backend/cmd/main.go
index c1ebe25..8c69f82 100644
--- a/backend/cmd/main.go
+++ b/backend/cmd/main.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"net"
 	"net/http"
+	"net/url"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -98,6 +99,7 @@ func startServer(cfg *config.Config) {
 	// 基础 API
 	mux.HandleFunc("/api/health", api.CORS(handleHealth))
 	mux.HandleFunc("/api/config", api.CORS(handleConfig))
+	mux.HandleFunc("/api/proxy/test", api.CORS(handleProxyTest)) // 代理测试
 
 	// 日志 API
 	mux.HandleFunc("/api/logs", api.CORS(handleGetLogs))
@@ -126,8 +128,8 @@ func startServer(cfg *config.Config) {
 	mux.HandleFunc("/api/upload/validate", api.CORS(api.HandleUploadValidate))
 
 	// 母号封禁检查 API
-	mux.HandleFunc("/api/db/owners/ban-check", api.CORS(api.HandleManualBanCheck))       // 手动触发检查
-	mux.HandleFunc("/api/db/owners/ban-check/status", api.CORS(api.HandleBanCheckStatus)) // 检查状态
+	mux.HandleFunc("/api/db/owners/ban-check", api.CORS(api.HandleManualBanCheck))            // 手动触发检查
+	mux.HandleFunc("/api/db/owners/ban-check/status", api.CORS(api.HandleBanCheckStatus))     // 检查状态
 	mux.HandleFunc("/api/db/owners/ban-check/settings", api.CORS(api.HandleBanCheckSettings)) // 配置
 
 	// 注册测试 API
@@ -956,3 +958,84 @@ func handleCleanerSettings(w http.ResponseWriter, r *http.Request) {
 		api.Error(w, http.StatusMethodNotAllowed, "不支持的方法")
 	}
 }
+
+// handleProxyTest POST /api/proxy/test - 测试代理连接
+func handleProxyTest(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		api.Error(w, http.StatusMethodNotAllowed, "仅支持 POST")
+		return
+	}
+
+	var req struct {
+		ProxyURL string `json:"proxy_url"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		api.Error(w, http.StatusBadRequest, "请求格式错误")
+		return
+	}
+
+	proxyURL := req.ProxyURL
+	if proxyURL == "" {
+		api.Error(w, http.StatusBadRequest, "代理地址不能为空")
+		return
+	}
+
+	logger.Info(fmt.Sprintf("测试代理连接: %s", proxyURL), "", "proxy")
+
+	// 解析代理 URL
+	proxyParsed, err := parseProxyURL(proxyURL)
+	if err != nil {
+		logger.Error(fmt.Sprintf("代理地址格式错误: %v", err), "", "proxy")
+		api.Error(w, http.StatusBadRequest, fmt.Sprintf("代理地址格式错误: %v", err))
+		return
+	}
+
+	// 创建带代理的 HTTP 客户端
+	client := &http.Client{
+		Timeout: 15 * time.Second,
+		Transport: &http.Transport{
+			Proxy: http.ProxyURL(proxyParsed),
+		},
+	}
+
+	// 测试请求 - 使用 httpbin.org/ip 获取出口 IP
+	testURL := "https://httpbin.org/ip"
+	resp, err := client.Get(testURL)
+	if err != nil {
+		logger.Error(fmt.Sprintf("代理连接失败: %v", err), "", "proxy")
+		api.Error(w, http.StatusBadGateway, fmt.Sprintf("代理连接失败: %v", err))
+		return
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		logger.Error(fmt.Sprintf("代理测试失败: HTTP %d", resp.StatusCode), "", "proxy")
+		api.Error(w, http.StatusBadGateway, fmt.Sprintf("代理测试失败: HTTP %d", resp.StatusCode))
+		return
+	}
+
+	// 解析响应获取出口 IP
+	var ipResp struct {
+		Origin string `json:"origin"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&ipResp); err != nil {
+		logger.Warning(fmt.Sprintf("解析代理响应失败: %v", err), "", "proxy")
+	}
+
+	logger.Success(fmt.Sprintf("代理连接成功, 出口IP: %s", ipResp.Origin), "", "proxy")
+
+	api.Success(w, map[string]interface{}{
+		"connected": true,
+		"message":   "代理连接成功",
+		"origin_ip": ipResp.Origin,
+	})
+}
+
+// parseProxyURL 解析代理 URL
+func parseProxyURL(proxyURL string) (*url.URL, error) {
+	// 如果没有协议前缀，默认添加 http://
+	if !strings.HasPrefix(proxyURL, "http://") && !strings.HasPrefix(proxyURL, "https://") && !strings.HasPrefix(proxyURL, "socks5://") {
+		proxyURL = "http://" + proxyURL
+	}
+	return url.Parse(proxyURL)
+}
diff --git a/backend/internal/api/monitor.go b/backend/internal/api/monitor.go
index 37180bb..b302d41 100644
--- a/backend/internal/api/monitor.go
+++ b/backend/internal/api/monitor.go
@@ -11,12 +11,13 @@ import (
 
 // MonitorSettings 监控设置
 type MonitorSettings struct {
-	Target          int  `json:"target"`
-	AutoAdd         bool `json:"auto_add"`
-	MinInterval     int  `json:"min_interval"`
-	CheckInterval   int  `json:"check_interval"` // 自动补号检查间隔（秒）
-	PollingEnabled  bool `json:"polling_enabled"`
-	PollingInterval int  `json:"polling_interval"`
+	Target            int  `json:"target"`
+	AutoAdd           bool `json:"auto_add"`
+	MinInterval       int  `json:"min_interval"`
+	CheckInterval     int  `json:"check_interval"` // 自动补号检查间隔（秒）
+	PollingEnabled    bool `json:"polling_enabled"`
+	PollingInterval   int  `json:"polling_interval"`
+	ReplenishUseProxy bool `json:"replenish_use_proxy"` // 补号时使用代理
 }
 
 // HandleGetMonitorSettings 获取监控设置
@@ -32,12 +33,13 @@ func HandleGetMonitorSettings(w http.ResponseWriter, r *http.Request) {
 	}
 
 	settings := MonitorSettings{
-		Target:          50,
-		AutoAdd:         false,
-		MinInterval:     300,
-		CheckInterval:   60,
-		PollingEnabled:  false,
-		PollingInterval: 60,
+		Target:            50,
+		AutoAdd:           false,
+		MinInterval:       300,
+		CheckInterval:     60,
+		PollingEnabled:    false,
+		PollingInterval:   60,
+		ReplenishUseProxy: false,
 	}
 
 	if val, _ := database.Instance.GetConfig("monitor_target"); val != "" {
@@ -66,6 +68,9 @@ func HandleGetMonitorSettings(w http.ResponseWriter, r *http.Request) {
 			settings.PollingInterval = v
 		}
 	}
+	if val, _ := database.Instance.GetConfig("monitor_replenish_use_proxy"); val == "true" {
+		settings.ReplenishUseProxy = true
+	}
 
 	Success(w, settings)
 }
@@ -120,6 +125,9 @@ func HandleSaveMonitorSettings(w http.ResponseWriter, r *http.Request) {
 	if err := database.Instance.SetConfig("monitor_polling_interval", strconv.Itoa(settings.PollingInterval)); err != nil {
 		saveErrors = append(saveErrors, "polling_interval: "+err.Error())
 	}
+	if err := database.Instance.SetConfig("monitor_replenish_use_proxy", strconv.FormatBool(settings.ReplenishUseProxy)); err != nil {
+		saveErrors = append(saveErrors, "replenish_use_proxy: "+err.Error())
+	}
 
 	if len(saveErrors) > 0 {
 		errMsg := "保存监控设置部分失败: " + saveErrors[0]
diff --git a/backend/internal/api/s2a_clean.go b/backend/internal/api/s2a_clean.go
index 86eeb1a..6cf5ebc 100644
--- a/backend/internal/api/s2a_clean.go
+++ b/backend/internal/api/s2a_clean.go
@@ -14,7 +14,7 @@ import (
 // S2AAccountItem S2A 账号信息
 type S2AAccountItem struct {
 	ID     int    `json:"id"`
-	Email  string `json:"email"`
+	Email  string `json:"account"` // S2A API 返回的字段名是 account
 	Status string `json:"status"`
 }
 
diff --git a/frontend/src/context/ConfigContext.tsx b/frontend/src/context/ConfigContext.tsx
index 966fe43..adfeaa7 100644
--- a/frontend/src/context/ConfigContext.tsx
+++ b/frontend/src/context/ConfigContext.tsx
@@ -46,6 +46,10 @@ export function ConfigProvider({ children }: { children: ReactNode }) {
             priority: serverConfig.priority || 0,
             groupIds: serverConfig.group_ids || [],
           },
+          proxy: {
+            default: serverConfig.default_proxy || '',
+            enabled: serverConfig.proxy_enabled || false,
+          },
         }))
         // 更新站点名称
         if (serverConfig.site_name) {
diff --git a/frontend/src/pages/Config.tsx b/frontend/src/pages/Config.tsx
index 6c63a32..bce59cb 100644
--- a/frontend/src/pages/Config.tsx
+++ b/frontend/src/pages/Config.tsx
@@ -10,7 +10,10 @@ import {
   XCircle,
   Save,
   Loader2,
-  Globe
+  Globe,
+  Wifi,
+  WifiOff,
+  HelpCircle
 } from 'lucide-react'
 import { Card, CardHeader, CardTitle, CardContent, Button, Input } from '../components/common'
 import { useConfig } from '../hooks/useConfig'
@@ -18,23 +21,29 @@ import { useConfig } from '../hooks/useConfig'
 export default function Config() {
   const { config, isConnected, refreshConfig } = useConfig()
   const [siteName, setSiteName] = useState('')
+  const [defaultProxy, setDefaultProxy] = useState('')
   const [saving, setSaving] = useState(false)
+  const [savingProxy, setSavingProxy] = useState(false)
+  const [testingProxy, setTestingProxy] = useState(false)
+  const [proxyStatus, setProxyStatus] = useState<'unknown' | 'success' | 'error'>('unknown')
+  const [proxyOriginIP, setProxyOriginIP] = useState('')
   const [message, setMessage] = useState<{ type: 'success' | 'error', text: string } | null>(null)
 
-  // 加载站点名称配置
+  // 加载站点名称和代理配置
   useEffect(() => {
-    const fetchSiteName = async () => {
+    const fetchConfig = async () => {
       try {
         const res = await fetch('/api/config')
         const data = await res.json()
         if (data.code === 0 && data.data) {
           setSiteName(data.data.site_name || 'Codex Pool')
+          setDefaultProxy(data.data.default_proxy || '')
         }
       } catch (error) {
-        console.error('Failed to fetch site name:', error)
+        console.error('Failed to fetch config:', error)
       }
     }
-    fetchSiteName()
+    fetchConfig()
   }, [])
 
   // 保存站点名称
@@ -61,6 +70,65 @@ export default function Config() {
     }
   }
 
+  // 保存代理地址
+  const handleSaveProxy = async () => {
+    setSavingProxy(true)
+    setMessage(null)
+    try {
+      const res = await fetch('/api/config', {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ default_proxy: defaultProxy }),
+      })
+      const data = await res.json()
+      if (data.code === 0) {
+        setMessage({ type: 'success', text: '代理地址已保存' })
+        setProxyStatus('unknown') // 保存后重置状态
+        setProxyOriginIP('')
+        refreshConfig()
+      } else {
+        setMessage({ type: 'error', text: data.message || '保存失败' })
+      }
+    } catch {
+      setMessage({ type: 'error', text: '网络错误' })
+    } finally {
+      setSavingProxy(false)
+    }
+  }
+
+  // 测试代理连接
+  const handleTestProxy = async () => {
+    if (!defaultProxy.trim()) {
+      setMessage({ type: 'error', text: '请先输入代理地址' })
+      return
+    }
+    setTestingProxy(true)
+    setMessage(null)
+    setProxyStatus('unknown')
+    setProxyOriginIP('')
+    try {
+      const res = await fetch('/api/proxy/test', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ proxy_url: defaultProxy }),
+      })
+      const data = await res.json()
+      if (data.code === 0 && data.data?.connected) {
+        setProxyStatus('success')
+        setProxyOriginIP(data.data.origin_ip || '')
+        setMessage({ type: 'success', text: `代理连接成功${data.data.origin_ip ? `, 出口IP: ${data.data.origin_ip}` : ''}` })
+      } else {
+        setProxyStatus('error')
+        setMessage({ type: 'error', text: data.message || '代理连接失败' })
+      }
+    } catch (e) {
+      setProxyStatus('error')
+      setMessage({ type: 'error', text: e instanceof Error ? e.message : '网络错误' })
+    } finally {
+      setTestingProxy(false)
+    }
+  }
+
   const configItems = [
     {
       to: '/config/s2a',
@@ -178,6 +246,72 @@ export default function Config() {
               该名称将显示在侧边栏标题和浏览器标签页
             </p>
           </div>
+
+          {/* 代理地址配置 */}
+          <div className="pt-4 border-t border-slate-200 dark:border-slate-700">
+            <div className="flex items-center gap-2 mb-2">
+              <label className="block text-sm font-medium text-slate-700 dark:text-slate-300">
+                全局代理地址
+              </label>
+              {/* 代理状态徽章 */}
+              {proxyStatus === 'success' && (
+                <span className="inline-flex items-center gap-1 px-2 py-0.5 text-xs font-medium rounded-full bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400">
+                  <Wifi className="h-3 w-3" />
+                  代理可用
+                </span>
+              )}
+              {proxyStatus === 'error' && (
+                <span className="inline-flex items-center gap-1 px-2 py-0.5 text-xs font-medium rounded-full bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400">
+                  <WifiOff className="h-3 w-3" />
+                  连接失败
+                </span>
+              )}
+              {proxyStatus === 'unknown' && defaultProxy && (
+                <span className="inline-flex items-center gap-1 px-2 py-0.5 text-xs font-medium rounded-full bg-slate-100 text-slate-600 dark:bg-slate-700 dark:text-slate-400">
+                  <HelpCircle className="h-3 w-3" />
+                  未测试
+                </span>
+              )}
+            </div>
+            <div className="flex gap-3">
+              <Input
+                value={defaultProxy}
+                onChange={(e) => {
+                  setDefaultProxy(e.target.value)
+                  setProxyStatus('unknown')
+                }}
+                placeholder="http://127.0.0.1:7890"
+                className="flex-1"
+              />
+              <Button
+                size="sm"
+                onClick={handleSaveProxy}
+                disabled={savingProxy}
+                icon={savingProxy ? <Loader2 className="h-4 w-4 animate-spin" /> : <Save className="h-4 w-4" />}
+                className="shrink-0"
+              >
+                {savingProxy ? '保存中...' : '保存代理'}
+              </Button>
+              <Button
+                size="sm"
+                variant="outline"
+                onClick={handleTestProxy}
+                disabled={testingProxy || !defaultProxy.trim()}
+                icon={testingProxy ? <Loader2 className="h-4 w-4 animate-spin" /> : <Wifi className="h-4 w-4" />}
+                className="shrink-0"
+              >
+                {testingProxy ? '测试中...' : '测试连接'}
+              </Button>
+            </div>
+            <p className="mt-1 text-xs text-slate-500 dark:text-slate-400">
+              设置全局默认代理地址，用于批量入库和自动补号
+              {proxyOriginIP && (
+                <span className="ml-2 text-green-600 dark:text-green-400">
+                  出口IP: {proxyOriginIP}
+                </span>
+              )}
+            </p>
+          </div>
         </CardContent>
       </Card>
 
diff --git a/frontend/src/pages/Monitor.tsx b/frontend/src/pages/Monitor.tsx
index f70058b..5ec55ca 100644
--- a/frontend/src/pages/Monitor.tsx
+++ b/frontend/src/pages/Monitor.tsx
@@ -67,6 +67,8 @@ export default function Monitor() {
     const [checkInterval, setCheckInterval] = useState(60)
     const [pollingEnabled, setPollingEnabled] = useState(false)
     const [pollingInterval, setPollingInterval] = useState(60)
+    const [replenishUseProxy, setReplenishUseProxy] = useState(false) // 补号时使用代理
+    const [globalProxy, setGlobalProxy] = useState('') // 全局代理地址（只读显示）
 
     // 倒计时状态
     const [countdown, setCountdown] = useState(60)
@@ -129,6 +131,7 @@ export default function Monitor() {
                     check_interval: checkInterval,
                     polling_enabled: pollingEnabled,
                     polling_interval: pollingInterval,
+                    replenish_use_proxy: replenishUseProxy,
                 }),
             })
             const data = await res.json()
@@ -253,6 +256,7 @@ export default function Monitor() {
     // 从后端加载监控设置
     const loadMonitorSettings = async () => {
         try {
+            // 加载监控设置
             const res = await fetch('/api/monitor/settings')
             if (res.ok) {
                 const json = await res.json()
@@ -264,6 +268,7 @@ export default function Monitor() {
                     const checkIntervalVal = s.check_interval || 60
                     const pollingEnabledVal = s.polling_enabled || false
                     const interval = s.polling_interval || 60
+                    const replenishUseProxyVal = s.replenish_use_proxy || false
 
                     setTargetInput(target)
                     setAutoAdd(autoAddVal)
@@ -271,11 +276,21 @@ export default function Monitor() {
                     setCheckInterval(checkIntervalVal)
                     setPollingEnabled(pollingEnabledVal)
                     setPollingInterval(interval)
+                    setReplenishUseProxy(replenishUseProxyVal)
                     savedPollingIntervalRef.current = interval
                     setCountdown(interval)
 
                     // 返回加载的配置用于后续刷新
-                    return { target, autoAdd: autoAddVal, minInterval: minIntervalVal, checkInterval: checkIntervalVal, pollingEnabled: pollingEnabledVal, pollingInterval: interval }
+                    return { target, autoAdd: autoAddVal, minInterval: minIntervalVal, checkInterval: checkIntervalVal, pollingEnabled: pollingEnabledVal, pollingInterval: interval, replenishUseProxy: replenishUseProxyVal }
+                }
+            }
+
+            // 加载全局代理配置
+            const configRes = await fetch('/api/config')
+            if (configRes.ok) {
+                const configJson = await configRes.json()
+                if (configJson.code === 0 && configJson.data) {
+                    setGlobalProxy(configJson.data.default_proxy || '')
                 }
             }
         } catch (e) {
@@ -511,6 +526,15 @@ export default function Monitor() {
                                     description="开启后，当号池不足时自动补充账号"
                                 />
                             </div>
+                            <div className="p-3 rounded-lg bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700">
+                                <Switch
+                                    checked={replenishUseProxy}
+                                    onChange={setReplenishUseProxy}
+                                    disabled={!autoAdd || !globalProxy}
+                                    label="补号时使用代理"
+                                    description={globalProxy ? `当前代理: ${globalProxy}` : '请先在系统配置中设置代理地址'}
+                                />
+                            </div>
                             <Input
                                 label="最小间隔 (秒)"
                                 type="number"
diff --git a/frontend/src/pages/Upload.tsx b/frontend/src/pages/Upload.tsx
index 37328ed..40cb882 100644
--- a/frontend/src/pages/Upload.tsx
+++ b/frontend/src/pages/Upload.tsx
@@ -70,10 +70,13 @@ export default function Upload() {
   const [membersPerTeam, setMembersPerTeam] = useState(4)
   const [concurrentTeams, setConcurrentTeams] = useState(2)
   const [browserType, setBrowserType] = useState<'chromedp' | 'rod'>('chromedp')
-  const [proxy, setProxy] = useState('')
+  const [useProxy, setUseProxy] = useState(false) // 是否使用全局代理
   const [includeOwner, setIncludeOwner] = useState(false) // 母号也入库
   const [processCount, setProcessCount] = useState(0) // 处理数量，0表示全部
 
+  // 获取全局代理地址
+  const globalProxy = config.proxy?.default || ''
+
   const hasConfig = config.s2a.apiBase && config.s2a.adminKey
 
   // Load stats
@@ -191,7 +194,7 @@ export default function Upload() {
           concurrent_teams: Math.min(concurrentTeams, stats?.valid || 1),
           browser_type: browserType,
           headless: true, // 始终使用无头模式
-          proxy,
+          proxy: useProxy ? globalProxy : '',
           include_owner: includeOwner, // 母号也入库
           process_count: processCount, // 处理数量，0表示全部
         }),
@@ -209,7 +212,7 @@ export default function Upload() {
       alert('启动失败')
     }
     setLoading(false)
-  }, [stats, membersPerTeam, concurrentTeams, browserType, proxy, includeOwner, processCount, fetchStatus])
+  }, [stats, membersPerTeam, concurrentTeams, browserType, useProxy, globalProxy, includeOwner, processCount, fetchStatus])
 
   // 停止处理
   const handleStop = useCallback(async () => {
@@ -469,13 +472,15 @@ export default function Upload() {
                     </div>
                   </div>
 
-                  <Input
-                    label="代理地址（可选）"
-                    placeholder="http://127.0.0.1:7890"
-                    value={proxy}
-                    onChange={(e) => setProxy(e.target.value)}
-                    disabled={isRunning}
-                  />
+                  <div className="p-3 rounded-lg bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700">
+                    <Switch
+                      checked={useProxy}
+                      onChange={setUseProxy}
+                      disabled={isRunning || !globalProxy}
+                      label="使用全局代理"
+                      description={globalProxy ? `当前代理: ${globalProxy}` : '请先在系统配置中设置代理地址'}
+                    />
+                  </div>
 
                   <div className="p-3 rounded-lg bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700">
                     <Switch
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index b3a1c3e..220ccd1 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -175,6 +175,10 @@ export interface AppConfig {
   email: {
     services: MailServiceConfig[]  // 多个邮箱服务配置
   }
+  proxy: {
+    default: string  // 全局默认代理地址
+    enabled: boolean // 是否启用代理
+  }
 }
 
 // 默认配置
@@ -203,6 +207,10 @@ export const defaultConfig: AppConfig = {
       },
     ],
   },
+  proxy: {
+    default: '',
+    enabled: false,
+  },
 }
 
 // 检查结果