diff --git a/api/config.py b/api/config.py
index f59f2b8..ceaa325 100644
--- a/api/config.py
+++ b/api/config.py
@@ -12,7 +12,8 @@ CONFIG_KEYS = [
     "freemail_api_url", "freemail_admin_token", "freemail_username", "freemail_password",
     "moemail_api_url",
     "mail_provider",
-    "cfworker_api_url", "cfworker_admin_token", "cfworker_custom_auth", "cfworker_domain", "cfworker_fingerprint",
+    "cfworker_api_url", "cfworker_admin_token", "cfworker_custom_auth", "cfworker_domain",
+    "cfworker_domains", "cfworker_enabled_domains", "cfworker_fingerprint",
     "smstome_cookie", "smstome_country_slugs", "smstome_phone_attempts", "smstome_otp_timeout_seconds",
     "smstome_poll_interval_seconds", "smstome_sync_max_pages_per_country",
     "luckmail_base_url", "luckmail_api_key", "luckmail_email_type", "luckmail_domain",
diff --git a/core/base_mailbox.py b/core/base_mailbox.py
index 7b38f4c..bba17c8 100644
--- a/core/base_mailbox.py
+++ b/core/base_mailbox.py
@@ -1,5 +1,6 @@
 """邮箱池基类 - 抽象临时邮箱/收件服务"""
 import json
+import random
 
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
@@ -117,6 +118,9 @@ def create_mailbox(provider: str, extra: dict = None, proxy: str = None) -> 'Bas
             api_url=extra.get("cfworker_api_url", ""),
             admin_token=extra.get("cfworker_admin_token", ""),
             domain=extra.get("cfworker_domain", ""),
+            domain_override=extra.get("cfworker_domain_override", ""),
+            domains=extra.get("cfworker_domains", ""),
+            enabled_domains=extra.get("cfworker_enabled_domains", ""),
             fingerprint=extra.get("cfworker_fingerprint", ""),
             custom_auth=extra.get("cfworker_custom_auth", ""),
             proxy=proxy,
@@ -411,10 +415,20 @@ class CFWorkerMailbox(BaseMailbox):
     """Cloudflare Worker 自建临时邮箱服务"""
 
     def __init__(self, api_url: str, admin_token: str = "", domain: str = "",
-                 fingerprint: str = "", custom_auth: str = "", proxy: str = None):
+                 domain_override: str = "", domains: Any = None,
+                 enabled_domains: Any = None, fingerprint: str = "",
+                 custom_auth: str = "", proxy: str = None):
         self.api = api_url.rstrip("/")
         self.admin_token = admin_token
-        self.domain = domain
+        self.domain = self._normalize_domain(domain)
+        self.domain_override = self._normalize_domain(domain_override)
+        self.domains = self._parse_domains(domains)
+        raw_enabled_domains = self._parse_domains(enabled_domains)
+        if self.domains:
+            allowed = set(self.domains)
+            self.enabled_domains = [d for d in raw_enabled_domains if d in allowed]
+        else:
+            self.enabled_domains = raw_enabled_domains
         self.fingerprint = fingerprint
         self.custom_auth = custom_auth
         self.proxy = {"http": proxy, "https": proxy} if proxy else None
@@ -479,18 +493,67 @@ class CFWorkerMailbox(BaseMailbox):
             ) from e
 
     def _generate_local_part(self) -> str:
-        import random, string
+        import string
         # 避免纯数字开头，提高邮箱格式“像真人”的程度
         prefix = "".join(random.choices(string.ascii_lowercase, k=6))
         suffix = "".join(random.choices(string.digits, k=4))
         return f"{prefix}{suffix}"
 
+    @staticmethod
+    def _normalize_domain(domain: Any) -> str:
+        value = str(domain or "").strip().lower()
+        if value.startswith("@"):
+            value = value[1:]
+        return value
+
+    @classmethod
+    def _parse_domains(cls, value: Any) -> list[str]:
+        if not value:
+            return []
+
+        items: list[Any]
+        if isinstance(value, (list, tuple, set)):
+            items = list(value)
+        elif isinstance(value, str):
+            text = value.strip()
+            if not text:
+                return []
+            try:
+                parsed = json.loads(text)
+            except Exception:
+                parsed = None
+            if isinstance(parsed, list):
+                items = parsed
+            else:
+                items = [part for chunk in text.splitlines() for part in chunk.split(",")]
+        else:
+            items = [value]
+
+        domains: list[str] = []
+        seen = set()
+        for item in items:
+            domain = cls._normalize_domain(item)
+            if not domain or domain in seen:
+                continue
+            seen.add(domain)
+            domains.append(domain)
+        return domains
+
+    def _pick_domain(self) -> str:
+        if self.domain_override:
+            return self.domain_override
+        if self.enabled_domains:
+            return random.choice(self.enabled_domains)
+        return self.domain
+
     def get_email(self) -> MailboxAccount:
         self._ensure_api_configured()
         name = self._generate_local_part()
         payload = {"enablePrefix": True, "name": name}
-        if self.domain:
-            payload["domain"] = self.domain
+        selected_domain = self._pick_domain()
+        if selected_domain:
+            payload["domain"] = selected_domain
+            self._log(f"[CFWorker] 本次使用域名: {selected_domain}")
         data = self._request_json("POST", "/admin/new_address", payload=payload, timeout=15)
         email = data.get("email", data.get("address", ""))
         token = data.get("token", data.get("jwt", ""))
@@ -498,7 +561,11 @@ class CFWorkerMailbox(BaseMailbox):
             raise RuntimeError(f"CFWorker API /admin/new_address 返回缺少 email/jwt: {data}")
         self._token = token
         print(f"[CFWorker] 生成邮箱: {email} token={token[:40] if token else 'NONE'}...")
-        return MailboxAccount(email=email, account_id=token)
+        return MailboxAccount(
+            email=email,
+            account_id=token,
+            extra={"cfworker_domain": selected_domain} if selected_domain else None,
+        )
 
     def _get_mails(self, email: str) -> list:
         self._ensure_api_configured()
diff --git a/frontend/src/pages/Register.tsx b/frontend/src/pages/Register.tsx
index ab95a35..6c692aa 100644
--- a/frontend/src/pages/Register.tsx
+++ b/frontend/src/pages/Register.tsx
@@ -49,7 +49,7 @@ export default function Register() {
         cfworker_api_url: cfg.cfworker_api_url || '',
         cfworker_admin_token: cfg.cfworker_admin_token || '',
         cfworker_custom_auth: cfg.cfworker_custom_auth || '',
-        cfworker_domain: cfg.cfworker_domain || '',
+        cfworker_domain_override: '',
         cfworker_fingerprint: cfg.cfworker_fingerprint || '',
         smstome_cookie: cfg.smstome_cookie || '',
         smstome_country_slugs: cfg.smstome_country_slugs || '',
@@ -94,7 +94,7 @@ export default function Register() {
           cfworker_api_url: values.cfworker_api_url,
           cfworker_admin_token: values.cfworker_admin_token,
           cfworker_custom_auth: values.cfworker_custom_auth,
-          cfworker_domain: values.cfworker_domain,
+          cfworker_domain_override: values.cfworker_domain_override,
           cfworker_fingerprint: values.cfworker_fingerprint,
           smstome_cookie: values.smstome_cookie,
           smstome_country_slugs: values.smstome_country_slugs,
@@ -238,7 +238,11 @@ export default function Register() {
               <Form.Item name="cfworker_custom_auth" label="Site Password">
                 <Input.Password placeholder="private site password" />
               </Form.Item>
-              <Form.Item name="cfworker_domain" label="域名">
+              <Form.Item
+                name="cfworker_domain_override"
+                label="单次任务指定域名（可选）"
+                extra="留空时将从设置页已启用的域名列表中随机选择。"
+              >
                 <Input placeholder="example.com" />
               </Form.Item>
               <Form.Item name="cfworker_fingerprint" label="Fingerprint (可选)">
diff --git a/frontend/src/pages/Settings.tsx b/frontend/src/pages/Settings.tsx
index 42b8bc1..76f3803 100644
--- a/frontend/src/pages/Settings.tsx
+++ b/frontend/src/pages/Settings.tsx
@@ -10,6 +10,7 @@ import {
   CheckCircleOutlined,
   CloseCircleOutlined,
   SyncOutlined,
+  PlusOutlined,
 } from '@ant-design/icons'
 import { apiFetch } from '@/lib/utils'
 
@@ -103,7 +104,7 @@ const TAB_ITEMS = [
           { key: 'cfworker_api_url', label: 'API URL', placeholder: 'https://apimail.example.com' },
           { key: 'cfworker_admin_token', label: '管理员 Token', secret: true },
           { key: 'cfworker_custom_auth', label: '站点密码', secret: true },
-          { key: 'cfworker_domain', label: '邮箱域名', placeholder: 'example.com' },
+          { key: 'cfworker_custom_auth', label: '站点密码', secret: true },
           { key: 'cfworker_fingerprint', label: 'Fingerprint', placeholder: '6703363b...' },
         ],
       },
@@ -261,6 +262,41 @@ function formatResultText(data: unknown) {
   }
 }
 
+function normalizeDomainList(input: unknown): string[] {
+  const items = Array.isArray(input) ? input : []
+  const seen = new Set<string>()
+  const domains: string[] = []
+  for (const item of items) {
+    const domain = String(item || '').trim().toLowerCase().replace(/^@/, '')
+    if (!domain || seen.has(domain)) continue
+    seen.add(domain)
+    domains.push(domain)
+  }
+  return domains
+}
+
+function parseStoredDomainList(value: unknown): string[] {
+  if (Array.isArray(value)) return normalizeDomainList(value)
+  if (typeof value !== 'string') return []
+
+  const text = value.trim()
+  if (!text) return []
+
+  try {
+    const parsed = JSON.parse(text)
+    if (Array.isArray(parsed)) {
+      return normalizeDomainList(parsed)
+    }
+  } catch {}
+
+  return normalizeDomainList(
+    text
+      .split('\n')
+      .flatMap((line) => line.split(','))
+      .map((item) => item.trim()),
+  )
+}
+
 function ConfigField({ field }: { field: FieldConfig }) {
   const [showSecret, setShowSecret] = useState(false)
   const options = SELECT_FIELDS[field.key]
@@ -299,6 +335,133 @@ function ConfigSection({ section }: { section: SectionConfig }) {
   )
 }
 
+function CFWorkerDomainPoolSection({ form }: { form: any }) {
+  const watchedDomains = Form.useWatch('cfworker_domains', form) || []
+  const watchedEnabledDomains = Form.useWatch('cfworker_enabled_domains', form) || []
+  const normalizedDomains = normalizeDomainList(watchedDomains)
+  const enabledDomains = normalizeDomainList(watchedEnabledDomains).filter((domain) => normalizedDomains.includes(domain))
+
+  const updateEnabledDomains = (nextDomains: string[]) => {
+    form.setFieldValue('cfworker_enabled_domains', normalizeDomainList(nextDomains))
+  }
+
+  const toggleEnabledDomain = (domain: string, checked: boolean) => {
+    if (checked) {
+      updateEnabledDomains([...enabledDomains, domain])
+      return
+    }
+    updateEnabledDomains(enabledDomains.filter((item) => item !== domain))
+  }
+
+  return (
+    <Card
+      title="CF Worker 域名池"
+      extra={<span style={{ fontSize: 12, color: '#7a8ba3' }}>注册时会从已启用域名中随机选择一个</span>}
+      style={{ marginBottom: 16 }}
+    >
+      <Form.List name="cfworker_domains">
+        {(fields, { add, remove }) => (
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 12 }}>
+            {fields.map((field) => (
+              <Space key={field.key} align="start" style={{ display: 'flex' }}>
+                <Form.Item
+                  {...field}
+                  label={field.name === 0 ? '全部域名' : ''}
+                  style={{ flex: 1, marginBottom: 0 }}
+                  rules={[
+                    {
+                      validator: async (_, value) => {
+                        if (!String(value || '').trim()) {
+                          throw new Error('请输入域名')
+                        }
+                      },
+                    },
+                  ]}
+                >
+                  <Input placeholder="example.com" />
+                </Form.Item>
+                <Button
+                  danger
+                  onClick={() => {
+                    const currentDomains = Array.isArray(form.getFieldValue('cfworker_domains'))
+                      ? [...form.getFieldValue('cfworker_domains')]
+                      : []
+                    const removedDomain = String(currentDomains[field.name] || '').trim().toLowerCase().replace(/^@/, '')
+                    remove(field.name)
+                    if (!removedDomain) return
+                    const enabledDomains = normalizeDomainList(form.getFieldValue('cfworker_enabled_domains'))
+                    form.setFieldValue(
+                      'cfworker_enabled_domains',
+                      enabledDomains.filter((domain) => domain !== removedDomain),
+                    )
+                  }}
+                >
+                  删除
+                </Button>
+              </Space>
+            ))}
+            {fields.length === 0 ? (
+              <Typography.Text type="secondary">还没有配置域名。添加后即可在下方选择启用项。</Typography.Text>
+            ) : null}
+            <Button type="dashed" onClick={() => add('')} icon={<PlusOutlined />} block>
+              添加域名
+            </Button>
+          </div>
+        )}
+      </Form.List>
+
+      <Form.Item name="cfworker_enabled_domains" hidden>
+        <Select mode="multiple" options={normalizedDomains.map((domain) => ({ label: domain, value: domain }))} />
+      </Form.Item>
+
+      <div style={{ marginTop: 16 }}>
+        <div style={{ marginBottom: 8, fontWeight: 500 }}>已启用域名</div>
+        {enabledDomains.length > 0 ? (
+          <Space wrap>
+            {enabledDomains.map((domain) => (
+              <Tag
+                key={domain}
+                color="blue"
+                closable
+                onClose={(event) => {
+                  event.preventDefault()
+                  updateEnabledDomains(enabledDomains.filter((item) => item !== domain))
+                }}
+              >
+                {domain}
+              </Tag>
+            ))}
+          </Space>
+        ) : (
+          <Typography.Text type="secondary">暂无启用域名，点击下方域名即可启用。</Typography.Text>
+        )}
+      </div>
+
+      <div style={{ marginTop: 16 }}>
+        <div style={{ marginBottom: 8, fontWeight: 500 }}>点击切换启用状态</div>
+        {normalizedDomains.length > 0 ? (
+          <Space wrap>
+            {normalizedDomains.map((domain) => (
+              <Tag.CheckableTag
+                key={domain}
+                checked={enabledDomains.includes(domain)}
+                onChange={(checked) => toggleEnabledDomain(domain, checked)}
+              >
+                {domain}
+              </Tag.CheckableTag>
+            ))}
+          </Space>
+        ) : (
+          <Typography.Text type="secondary">请先在上方添加域名。</Typography.Text>
+        )}
+      </div>
+      <Typography.Text type="secondary" style={{ display: 'block', marginTop: 12 }}>
+        仅已启用域名会参与注册；点击已启用标签可直接移除。
+      </Typography.Text>
+    </Card>
+  )
+}
+
 function SolverStatus() {
   const [running, setRunning] = useState<boolean | null>(null)
 
@@ -549,15 +712,37 @@ export default function Settings() {
       if (!data.luckmail_base_url) {
         data.luckmail_base_url = 'https://mails.luckyous.com/'
       }
+      data.cfworker_domains = parseStoredDomainList(data.cfworker_domains)
+      data.cfworker_enabled_domains = parseStoredDomainList(data.cfworker_enabled_domains)
       form.setFieldsValue(data)
     })
-  }, [])
+  }, [form])
 
   const save = async () => {
     setSaving(true)
     try {
-      const values = form.getFieldsValue()
+      const values = form.getFieldsValue(true)
+      const domains = normalizeDomainList(values.cfworker_domains)
+      const enabledDomains = normalizeDomainList(values.cfworker_enabled_domains).filter((domain) => domains.includes(domain))
+
+      if (domains.length > 0 && enabledDomains.length === 0) {
+        setActiveTab('mailbox')
+        message.error('CF Worker 至少需要启用一个域名')
+        return
+      }
+
+      values.cfworker_domains = JSON.stringify(domains)
+      values.cfworker_enabled_domains = JSON.stringify(enabledDomains)
+      if (domains.length > 0) {
+        values.cfworker_domain = ''
+      }
+
       await apiFetch('/config', { method: 'PUT', body: JSON.stringify({ data: values }) })
+      form.setFieldsValue({
+        cfworker_domains: domains,
+        cfworker_enabled_domains: enabledDomains,
+        cfworker_domain: domains.length > 0 ? '' : values.cfworker_domain,
+      })
       message.success('保存成功')
       setSaved(true)
       setTimeout(() => setSaved(false), 2000)
@@ -602,6 +787,7 @@ export default function Settings() {
               {currentTab.sections.map((section) => (
                 <ConfigSection key={section.title} section={section} />
               ))}
+              {activeTab === 'mailbox' ? <CFWorkerDomainPoolSection form={form} /> : null}
               <Button type="primary" icon={<SaveOutlined />} onClick={save} loading={saving} block>
                 {saved ? '已保存 ✓' : '保存配置'}
               </Button>