diff --git a/frontend/app/(main)/admin/settings/components/uptimekuma-site-modal.tsx b/frontend/app/(main)/admin/settings/components/uptimekuma-site-modal.tsx
index dafd7442..9d3f3b32 100644
--- a/frontend/app/(main)/admin/settings/components/uptimekuma-site-modal.tsx
+++ b/frontend/app/(main)/admin/settings/components/uptimekuma-site-modal.tsx
@@ -48,11 +48,13 @@ export function UptimeKumaSiteSelectModal({
     const routes = routesQuery.data ?? []
     const keyword = searchTerm.trim().toLowerCase()
     if (!keyword) return routes
-    return routes.filter(
-      (route) =>
+    return routes.filter((route) => {
+      const domains = (route.zone_domains ?? []).map((item) => item.domain).join(' ')
+      return (
         route.site_name.toLowerCase().includes(keyword) ||
-        route.primary_domain.toLowerCase().includes(keyword),
-    )
+        domains.toLowerCase().includes(keyword)
+      )
+    })
   }, [routesQuery.data, searchTerm])
 
   const toggleSite = (siteName: string) => {
@@ -147,7 +149,9 @@ export function UptimeKumaSiteSelectModal({
                           />
                         </td>
                         <td className="px-3 py-2 font-medium">{route.site_name}</td>
-                        <td className="px-3 py-2 text-muted-foreground">{route.primary_domain}</td>
+                        <td className="px-3 py-2 text-muted-foreground">
+                          {(route.zone_domains ?? []).map((item) => item.domain).join(', ') || '—'}
+                        </td>
                       </tr>
                     )
                   })}
diff --git a/frontend/app/(main)/proxy-routes/components/helpers.ts b/frontend/app/(main)/proxy-routes/components/helpers.ts
index b0184434..425ea523 100644
--- a/frontend/app/(main)/proxy-routes/components/helpers.ts
+++ b/frontend/app/(main)/proxy-routes/components/helpers.ts
@@ -3,13 +3,15 @@ import type {
   ProxyRouteCustomHeader,
   ProxyRouteItem,
   ProxyRouteMutationPayload,
+  ZoneDomainItem,
 } from '@/lib/services/openflare';
+import {ZoneService} from '@/lib/services/openflare';
 
 export const proxyRouteConfigSections = [
   {
     key: 'domains' as const,
     label: '域名设置',
-    description: '维护站点标识、域名列表和证书绑定。',
+    description: '维护站点标识，并从 Zone 中选择绑定域名。',
   },
   {
     key: 'limits' as const,
@@ -77,6 +79,20 @@ export function parseOriginUrl(originUrl: string) {
   };
 }
 
+/** Domain FQDNs bound to a proxy route (from zone_domains). */
+export function getRouteDomainNames(route: ProxyRouteItem): string[] {
+  return (route.zone_domains ?? []).map((item) => item.domain).filter(Boolean);
+}
+
+export function getRoutePrimaryDomain(route: ProxyRouteItem): string {
+  return getRouteDomainNames(route)[0] ?? '';
+}
+
+export function getRouteDomainsLabel(route: ProxyRouteItem): string {
+  const names = getRouteDomainNames(route);
+  return names.length > 0 ? names.join(', ') : '未绑定域名';
+}
+
 export function getUpstreamSummary(route: ProxyRouteItem): string {
   if (route.upstream_type === 'pages') {
     return route.pages_project_id
@@ -88,7 +104,7 @@ export function getUpstreamSummary(route: ProxyRouteItem): string {
     const target = route.tunnel_target_addr || '未配置目标';
     return `Tunnel → ${protocol}://${target}`;
   }
-  if (route.upstream_list.length <= 1) {
+  if ((route.upstream_list ?? []).length <= 1) {
     return route.origin_url;
   }
   return `${route.upstream_list.length} 个上游，主上游 ${route.origin_url}`;
@@ -284,12 +300,11 @@ export function buildPayloadFromRoute(
   const primaryOrigin =
     route.upstream_type === 'pages'
       ? parseOriginUrl('http://127.0.0.1')
-      : parseOriginUrl(route.origin_url);
+      : parseOriginUrl(route.origin_url || 'http://127.0.0.1');
 
   return {
     site_name: route.site_name,
-    domain: route.primary_domain,
-    domains: route.domains,
+    zone_domain_ids: route.zone_domain_ids ?? [],
     origin_id: null,
     origin_url: route.origin_url,
     origin_scheme: primaryOrigin.scheme,
@@ -297,20 +312,17 @@ export function buildPayloadFromRoute(
     origin_port: primaryOrigin.port,
     origin_uri: primaryOrigin.uri,
     origin_host: route.origin_host || '',
-    upstreams: route.upstream_list.slice(1),
+    upstreams: (route.upstream_list ?? []).slice(1),
     enabled: route.enabled,
     enable_https: route.enable_https,
-    cert_id: route.cert_id,
-    cert_ids: route.cert_ids,
-    domain_cert_ids: route.domain_cert_ids,
     redirect_http: route.redirect_http,
     limit_conn_per_server: route.limit_conn_per_server,
     limit_conn_per_ip: route.limit_conn_per_ip,
     limit_rate: route.limit_rate,
     cache_enabled: route.cache_enabled,
     cache_policy: route.cache_policy || 'url',
-    cache_rules: route.cache_rule_list,
-    custom_headers: route.custom_header_list,
+    cache_rules: route.cache_rule_list ?? [],
+    custom_headers: route.custom_header_list ?? [],
     remark: route.remark || '',
     basic_auth_enabled: route.basic_auth_enabled,
     basic_auth_username: route.basic_auth_username,
@@ -323,3 +335,10 @@ export function buildPayloadFromRoute(
     ...overrides,
   };
 }
+
+/** Load all Zone domains across registered Zones for route binding selectors. */
+export async function listAllZoneDomains(): Promise<ZoneDomainItem[]> {
+  const zones = await ZoneService.list();
+  const overviews = await Promise.all(zones.map((zone) => ZoneService.getOverview(zone.id)));
+  return overviews.flatMap((overview) => overview.domains ?? []);
+}
diff --git a/frontend/app/(main)/proxy-routes/components/proxy-route-create-sheet.tsx b/frontend/app/(main)/proxy-routes/components/proxy-route-create-sheet.tsx
index 2b157a4d..6473d354 100644
--- a/frontend/app/(main)/proxy-routes/components/proxy-route-create-sheet.tsx
+++ b/frontend/app/(main)/proxy-routes/components/proxy-route-create-sheet.tsx
@@ -2,6 +2,7 @@
 
 import {useEffect} from 'react';
 import {zodResolver} from '@hookform/resolvers/zod';
+import {useQuery} from '@tanstack/react-query';
 import {useForm} from 'react-hook-form';
 import {z} from 'zod';
 
@@ -12,28 +13,20 @@ import {Sheet, SheetContent, SheetDescription, SheetFooter, SheetHeader, SheetTi
 import {Switch} from '@/components/ui/switch';
 import {Textarea} from '@/components/ui/textarea';
 import type {ProxyRouteItem} from '@/lib/services/openflare';
-import {ProxyRouteService} from '@/lib/services/openflare';
+import {ProxyRouteService, ZoneService, zoneQueryKey} from '@/lib/services/openflare';
 
-import {parseOriginUrl, validateDomain} from './helpers';
+import {listAllZoneDomains, parseOriginUrl} from './helpers';
+import {ZoneDomainSelector} from './zone-domain-selector';
 
 const createProxyRouteSchema = z
   .object({
     site_name: z.string().trim().max(255, '站点标识不能超过 255 个字符'),
-    domain: z.string().trim().min(1, '请输入域名'),
+    zone_domain_ids: z.array(z.number().int().positive()).min(1, '请至少选择一个域名'),
     origin_url: z.string().trim().min(1, '请输入上游地址'),
     enabled: z.boolean(),
     remark: z.string().max(255, '备注不能超过 255 个字符'),
   })
   .superRefine((value, context) => {
-    const domainError = validateDomain(value.domain);
-    if (domainError) {
-      context.addIssue({
-        code: z.ZodIssueCode.custom,
-        path: ['domain'],
-        message: domainError,
-      });
-    }
-
     try {
       const parsed = new URL(value.origin_url);
       if (parsed.protocol !== 'http:' && parsed.protocol !== 'https:') {
@@ -56,7 +49,7 @@ type CreateProxyRouteFormValues = z.infer<typeof createProxyRouteSchema>;
 
 const defaultValues: CreateProxyRouteFormValues = {
   site_name: '',
-  domain: '',
+  zone_domain_ids: [],
   origin_url: '',
   enabled: true,
   remark: '',
@@ -78,6 +71,18 @@ export function ProxyRouteCreateSheet({
     defaultValues,
   });
 
+  const zonesQuery = useQuery({
+    queryKey: zoneQueryKey,
+    queryFn: () => ZoneService.list(),
+    enabled: open,
+  });
+
+  const domainsQuery = useQuery({
+    queryKey: [...zoneQueryKey, 'all-domains'],
+    queryFn: () => listAllZoneDomains(),
+    enabled: open,
+  });
+
   useEffect(() => {
     if (!open) {
       form.reset(defaultValues);
@@ -85,14 +90,17 @@ export function ProxyRouteCreateSheet({
   }, [form, open]);
 
   const handleSubmit = form.handleSubmit(async (values) => {
-    const domain = values.domain.trim().toLowerCase();
     const origin = parseOriginUrl(values.origin_url.trim());
+    const selectedDomains = (domainsQuery.data ?? []).filter((domain) =>
+      values.zone_domain_ids.includes(domain.id),
+    );
+    const primaryDomain = selectedDomains[0]?.domain ?? '';
+    const hasCert = selectedDomains.some((domain) => domain.cert_id != null);
 
     try {
       const route = await ProxyRouteService.create({
-        site_name: values.site_name.trim() || domain,
-        domain,
-        domains: [domain],
+        site_name: values.site_name.trim() || primaryDomain,
+        zone_domain_ids: values.zone_domain_ids,
         origin_id: null,
         origin_url: values.origin_url.trim(),
         origin_scheme: origin.scheme,
@@ -102,10 +110,7 @@ export function ProxyRouteCreateSheet({
         origin_host: '',
         upstreams: [],
         enabled: values.enabled,
-        enable_https: false,
-        cert_id: null,
-        cert_ids: [],
-        domain_cert_ids: [0],
+        enable_https: hasCert,
         redirect_http: false,
         limit_conn_per_server: 0,
         limit_conn_per_ip: 0,
@@ -135,7 +140,7 @@ export function ProxyRouteCreateSheet({
         <SheetHeader>
           <SheetTitle>新建规则</SheetTitle>
           <SheetDescription>
-            创建网站后可进入详情页继续配置 HTTPS、缓存和限流等高级选项。
+            从已注册的 Zone 域名中选择绑定关系，创建后可继续配置缓存和限流等高级选项。
           </SheetDescription>
         </SheetHeader>
 
@@ -150,7 +155,7 @@ export function ProxyRouteCreateSheet({
                   <FormControl>
                     <Input placeholder="marketing-site" {...field} />
                   </FormControl>
-                  <FormDescription>可选，留空时会自动使用域名。</FormDescription>
+                  <FormDescription>可选，留空时会自动使用首个域名。</FormDescription>
                   <FormMessage />
                 </FormItem>
               )}
@@ -158,13 +163,22 @@ export function ProxyRouteCreateSheet({
 
             <FormField
               control={form.control}
-              name="domain"
+              name="zone_domain_ids"
               render={({ field }) => (
                 <FormItem>
-                  <FormLabel>主域名</FormLabel>
+                  <FormLabel>绑定域名</FormLabel>
                   <FormControl>
-                    <Input placeholder="www.example.com" {...field} />
+                    <ZoneDomainSelector
+                      value={field.value}
+                      onChange={field.onChange}
+                      domains={domainsQuery.data ?? []}
+                      zones={zonesQuery.data ?? []}
+                      disabled={domainsQuery.isLoading}
+                    />
                   </FormControl>
+                  <FormDescription>
+                    域名与证书在 Zone 中维护；此处只选择本站点要绑定的 FQDN。
+                  </FormDescription>
                   <FormMessage />
                 </FormItem>
               )}
@@ -177,9 +191,8 @@ export function ProxyRouteCreateSheet({
                 <FormItem>
                   <FormLabel>上游地址</FormLabel>
                   <FormControl>
-                    <Input placeholder="https://origin.internal:443" {...field} />
+                    <Input placeholder="http://127.0.0.1:8080" {...field} />
                   </FormControl>
-                  <FormDescription>主回源完整 URL，创建后可在详情页添加多上游。</FormDescription>
                   <FormMessage />
                 </FormItem>
               )}
@@ -191,8 +204,8 @@ export function ProxyRouteCreateSheet({
               render={({ field }) => (
                 <FormItem className="flex items-center justify-between rounded-lg border p-3">
                   <div className="space-y-0.5">
-                    <FormLabel>创建后立即启用</FormLabel>
-                    <FormDescription>关闭后站点会以草稿保存。</FormDescription>
+                    <FormLabel>启用站点</FormLabel>
+                    <FormDescription>关闭后会保留配置，但不会参与发布。</FormDescription>
                   </div>
                   <FormControl>
                     <Switch checked={field.value} onCheckedChange={field.onChange} />
@@ -208,20 +221,23 @@ export function ProxyRouteCreateSheet({
                 <FormItem>
                   <FormLabel>备注</FormLabel>
                   <FormControl>
-                    <Textarea rows={3} {...field} />
+                    <Textarea placeholder="可选备注" rows={3} {...field} />
                   </FormControl>
                   <FormMessage />
                 </FormItem>
               )}
             />
 
-            {form.formState.errors.root?.message ? (
+            {form.formState.errors.root ? (
               <p className="text-sm text-destructive">{form.formState.errors.root.message}</p>
             ) : null}
 
             <SheetFooter className="px-0">
+              <Button type="button" variant="outline" onClick={() => onOpenChange(false)}>
+                取消
+              </Button>
               <Button type="submit" disabled={form.formState.isSubmitting}>
-                {form.formState.isSubmitting ? '创建中...' : '创建'}
+                {form.formState.isSubmitting ? '创建中…' : '创建'}
               </Button>
             </SheetFooter>
           </form>
diff --git a/frontend/app/(main)/proxy-routes/components/zone-domain-selector.tsx b/frontend/app/(main)/proxy-routes/components/zone-domain-selector.tsx
new file mode 100644
index 00000000..7471751f
--- /dev/null
+++ b/frontend/app/(main)/proxy-routes/components/zone-domain-selector.tsx
@@ -0,0 +1,161 @@
+'use client';
+
+import {useMemo, useState} from 'react';
+import Link from 'next/link';
+import {ExternalLink} from 'lucide-react';
+
+import {Badge} from '@/components/ui/badge';
+import {Checkbox} from '@/components/ui/checkbox';
+import {Input} from '@/components/ui/input';
+import {cn} from '@/lib/utils';
+import type {ZoneDomainItem, ZoneItem} from '@/lib/services/openflare';
+
+export interface ZoneDomainSelectorProps {
+  value: number[];
+  onChange: (ids: number[]) => void;
+  domains: ZoneDomainItem[];
+  zones?: ZoneItem[];
+  /** Current route ID: domains bound to this route remain selectable. */
+  currentRouteId?: number | null;
+  disabled?: boolean;
+  className?: string;
+}
+
+export function ZoneDomainSelector({
+  value,
+  onChange,
+  domains,
+  zones = [],
+  currentRouteId = null,
+  disabled = false,
+  className,
+}: ZoneDomainSelectorProps) {
+  const [keyword, setKeyword] = useState('');
+  const selected = useMemo(() => new Set(value), [value]);
+  const zoneMap = useMemo(
+    () => new Map(zones.map((zone) => [zone.id, zone.domain])),
+    [zones],
+  );
+
+  const filtered = useMemo(() => {
+    const normalized = keyword.trim().toLowerCase();
+    const list = [...domains].sort((a, b) => a.domain.localeCompare(b.domain));
+    if (!normalized) {
+      return list;
+    }
+    return list.filter((domain) => {
+      const zoneRoot = zoneMap.get(domain.zone_id) ?? '';
+      return (
+        domain.domain.toLowerCase().includes(normalized) ||
+        zoneRoot.toLowerCase().includes(normalized) ||
+        String(domain.id).includes(normalized)
+      );
+    });
+  }, [domains, keyword, zoneMap]);
+
+  const toggle = (domain: ZoneDomainItem) => {
+    if (disabled) {
+      return;
+    }
+    const boundElsewhere =
+      domain.proxy_route_id != null &&
+      domain.proxy_route_id !== currentRouteId;
+    if (boundElsewhere) {
+      return;
+    }
+
+    if (selected.has(domain.id)) {
+      onChange(value.filter((id) => id !== domain.id));
+      return;
+    }
+    onChange([...value, domain.id].sort((a, b) => a - b));
+  };
+
+  return (
+    <div className={cn('space-y-3', className)}>
+      <Input
+        value={keyword}
+        onChange={(event) => setKeyword(event.target.value)}
+        placeholder="搜索域名或 Zone…"
+        disabled={disabled}
+      />
+
+      {filtered.length === 0 ? (
+        <div className="rounded-lg border border-dashed px-4 py-8 text-center text-sm text-muted-foreground">
+          {domains.length === 0 ? (
+            <>
+              暂无可用 Zone 域名。请先在{' '}
+              <Link href="/websites" className="text-primary underline-offset-4 hover:underline">
+                网站管理
+              </Link>{' '}
+              中添加 FQDN。
+            </>
+          ) : (
+            '没有匹配的域名'
+          )}
+        </div>
+      ) : (
+        <div className="max-h-72 space-y-1 overflow-y-auto rounded-lg border p-2">
+          {filtered.map((domain) => {
+            const boundElsewhere =
+              domain.proxy_route_id != null &&
+              domain.proxy_route_id !== currentRouteId;
+            const checked = selected.has(domain.id);
+            const zoneRoot = zoneMap.get(domain.zone_id);
+
+            return (
+              <label
+                key={domain.id}
+                className={cn(
+                  'flex cursor-pointer items-start gap-3 rounded-md px-2 py-2 transition-colors hover:bg-muted/60',
+                  boundElsewhere && 'cursor-not-allowed opacity-60',
+                  checked && !boundElsewhere && 'bg-muted/40',
+                )}
+              >
+                <Checkbox
+                  checked={checked}
+                  disabled={disabled || boundElsewhere}
+                  onCheckedChange={() => toggle(domain)}
+                  className="mt-0.5"
+                />
+                <span className="min-w-0 flex-1 space-y-1">
+                  <span className="flex flex-wrap items-center gap-2">
+                    <span className="truncate text-sm font-medium">{domain.domain}</span>
+                    {domain.cert_id ? (
+                      <Badge variant="secondary" className="text-[10px]">
+                        证书 #{domain.cert_id}
+                      </Badge>
+                    ) : (
+                      <Badge variant="outline" className="text-[10px]">
+                        无证书
+                      </Badge>
+                    )}
+                    {boundElsewhere ? (
+                      <Badge variant="outline" className="text-[10px]">
+                        路由 #{domain.proxy_route_id}
+                      </Badge>
+                    ) : null}
+                  </span>
+                  <span className="flex items-center gap-1 text-xs text-muted-foreground">
+                    {zoneRoot ? (
+                      <Link
+                        href={`/websites/${domain.zone_id}`}
+                        className="inline-flex items-center gap-0.5 hover:text-foreground"
+                        onClick={(event) => event.stopPropagation()}
+                      >
+                        Zone {zoneRoot}
+                        <ExternalLink className="size-3" />
+                      </Link>
+                    ) : (
+                      <span>Zone #{domain.zone_id}</span>
+                    )}
+                  </span>
+                </span>
+              </label>
+            );
+          })}
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/frontend/app/(main)/proxy-routes/detail/components/domain-list-input.tsx b/frontend/app/(main)/proxy-routes/detail/components/domain-list-input.tsx
deleted file mode 100644
index 918fcd80..00000000
--- a/frontend/app/(main)/proxy-routes/detail/components/domain-list-input.tsx
+++ /dev/null
@@ -1,262 +0,0 @@
-'use client';
-
-import {useId, useMemo} from 'react';
-import {Link2, Minus, Plus} from 'lucide-react';
-
-import {Badge} from '@/components/ui/badge';
-import {Button} from '@/components/ui/button';
-import {Input} from '@/components/ui/input';
-import {Select, SelectContent, SelectItem, SelectTrigger, SelectValue,} from '@/components/ui/select';
-import type {TlsCertificateItem} from '@/lib/services/openflare';
-import {WebsiteService} from '@/lib/services/openflare';
-import {validateDomain} from '../../components/helpers';
-import type {DomainListRow} from '../helpers';
-
-function ensureRows(rows: DomainListRow[]) {
-  return rows.length > 0 ? rows : [{ domain: '', certificateId: '' }];
-}
-
-function buildSuggestionSources(domains: string[]) {
-  const values = new Set<string>();
-
-  for (const domain of domains) {
-    const normalized = domain.trim().toLowerCase().replace(/^\*\./, '');
-    if (!normalized) {
-      continue;
-    }
-
-    values.add(normalized);
-
-    const segments = normalized.split('.');
-    for (let index = 1; index < segments.length - 1; index += 1) {
-      values.add(segments.slice(index).join('.'));
-    }
-  }
-
-  return Array.from(values);
-}
-
-function buildDomainSuggestions(input: string, sources: string[], rows: DomainListRow[]) {
-  const normalizedInput = input.trim().toLowerCase();
-  if (!normalizedInput) {
-    return [];
-  }
-
-  const existingDomains = new Set(
-    rows
-      .map((row) => row.domain.trim().toLowerCase())
-      .filter((row) => row && row !== normalizedInput),
-  );
-  const suggestions: string[] = [];
-
-  for (const source of sources) {
-    if (source.startsWith(normalizedInput) && source !== normalizedInput) {
-      suggestions.push(source);
-    }
-
-    const separatorIndex = normalizedInput.lastIndexOf('.');
-    if (separatorIndex <= 0) {
-      continue;
-    }
-
-    const prefix = normalizedInput.slice(0, separatorIndex);
-    const suffixInput = normalizedInput.slice(separatorIndex + 1);
-
-    if (!suffixInput || source.startsWith(suffixInput)) {
-      suggestions.push(`${prefix}.${source}`);
-    }
-  }
-
-  return suggestions.filter((suggestion, index) => {
-    return (
-      suggestion !== normalizedInput &&
-      !existingDomains.has(suggestion) &&
-      suggestions.indexOf(suggestion) === index
-    );
-  });
-}
-
-interface DomainListInputProps {
-  rows: DomainListRow[];
-  onChange: (rows: DomainListRow[]) => void;
-  onBlur?: () => void;
-  suggestionSources?: string[];
-  certificates?: TlsCertificateItem[];
-  domainPlaceholder?: string;
-}
-
-export function DomainListInput({
-  rows,
-  onChange,
-  onBlur,
-  suggestionSources = [],
-  certificates = [],
-  domainPlaceholder = 'app.example.com',
-}: DomainListInputProps) {
-  const listId = useId();
-  const safeRows = ensureRows(rows);
-  const normalizedSources = useMemo(
-    () => buildSuggestionSources(suggestionSources),
-    [suggestionSources],
-  );
-
-  const updateRows = (nextRows: DomainListRow[]) => {
-    onChange(ensureRows(nextRows));
-  };
-
-  const applyManagedDomainCertificate = async (index: number, domain: string) => {
-    const normalized = domain.trim().toLowerCase();
-    if (!normalized || validateDomain(normalized)) {
-      return;
-    }
-
-    try {
-      const result = await WebsiteService.match(normalized);
-      if (!result.matched || !result.candidate?.certificate_id) {
-        return;
-      }
-
-      const nextRows = safeRows.slice();
-      if (!nextRows[index].certificateId) {
-        nextRows[index] = {
-          ...nextRows[index],
-          certificateId: String(result.candidate.certificate_id),
-        };
-        updateRows(nextRows);
-      }
-    } catch {
-      // Ignore match failures; user can still pick a certificate manually.
-    }
-  };
-
-  return (
-    <div className="space-y-4">
-      {safeRows.map((row, index) => {
-        const suggestions = buildDomainSuggestions(row.domain, normalizedSources, safeRows).slice(
-          0,
-          4,
-        );
-
-        return (
-          <div key={`${index}-${safeRows.length}`} className="space-y-2">
-            <div className="grid gap-3 md:grid-cols-[40px_minmax(0,1fr)_220px] md:items-start">
-              <Button
-                type="button"
-                variant="outline"
-                size="icon"
-                className="size-9 shrink-0"
-                disabled={safeRows.length === 1}
-                aria-label={`删除域名输入框 ${index + 1}`}
-                onClick={() => {
-                  if (safeRows.length === 1) {
-                    updateRows([{ domain: '', certificateId: '' }]);
-                    return;
-                  }
-                  updateRows(safeRows.filter((_, rowIndex) => rowIndex !== index));
-                }}
-              >
-                <Minus className="size-3.5" />
-              </Button>
-
-              <div className="min-w-0 space-y-2">
-                <Input
-                  value={row.domain}
-                  list={`${listId}-${index}`}
-                  aria-label={`域名 ${index + 1}`}
-                  placeholder={index === 0 ? domainPlaceholder : 'www.example.com'}
-                  onBlur={() => {
-                    onBlur?.();
-                    void applyManagedDomainCertificate(index, row.domain);
-                  }}
-                  onChange={(event) => {
-                    const nextRows = safeRows.slice();
-                    nextRows[index] = {
-                      ...nextRows[index],
-                      domain: event.target.value,
-                    };
-                    updateRows(nextRows);
-                  }}
-                />
-                <datalist id={`${listId}-${index}`}>
-                  {suggestions.map((suggestion) => (
-                    <option key={suggestion} value={suggestion} />
-                  ))}
-                </datalist>
-
-                {suggestions.length > 0 ? (
-                  <div className="flex flex-wrap gap-1.5">
-                    {suggestions.map((suggestion) => (
-                      <button
-                        key={suggestion}
-                        type="button"
-                        className="rounded-full border px-2.5 py-0.5 text-[11px] text-muted-foreground transition hover:border-primary hover:text-foreground"
-                        onClick={() => {
-                          const nextRows = safeRows.slice();
-                          nextRows[index] = {
-                            ...nextRows[index],
-                            domain: suggestion,
-                          };
-                          updateRows(nextRows);
-                          void applyManagedDomainCertificate(index, suggestion);
-                        }}
-                      >
-                        {suggestion}
-                      </button>
-                    ))}
-                  </div>
-                ) : null}
-              </div>
-
-              <Select
-                value={row.certificateId || 'none'}
-                onValueChange={(value) => {
-                  const nextRows = safeRows.slice();
-                  nextRows[index] = {
-                    ...nextRows[index],
-                    certificateId: value === 'none' ? '' : value,
-                  };
-                  updateRows(nextRows);
-                }}
-              >
-                <SelectTrigger className="h-9 w-full">
-                  <SelectValue
-                    placeholder={certificates.length === 0 ? '暂无可选证书' : '选择证书'}
-                  />
-                </SelectTrigger>
-                <SelectContent>
-                  <SelectItem value="none">
-                    {certificates.length === 0 ? '暂无可选证书' : '不绑定证书'}
-                  </SelectItem>
-                  {certificates.map((certificate) => (
-                    <SelectItem key={certificate.id} value={String(certificate.id)}>
-                      {certificate.name}
-                    </SelectItem>
-                  ))}
-                </SelectContent>
-              </Select>
-            </div>
-          </div>
-        );
-      })}
-
-      <div className="flex flex-wrap items-center gap-2">
-        <Button
-          type="button"
-          variant="outline"
-          size="sm"
-          className="h-8 gap-1.5 text-xs"
-          onClick={() => {
-            updateRows([...safeRows, { domain: '', certificateId: '' }]);
-          }}
-        >
-          <Plus className="size-3.5" />
-          添加域名
-        </Button>
-        <Badge variant="outline" className="gap-1 text-[10px] font-normal">
-          <Link2 className="size-3" />
-          输入域名后将自动匹配托管域名证书
-        </Badge>
-      </div>
-    </div>
-  );
-}
diff --git a/frontend/app/(main)/proxy-routes/detail/components/domain-section.tsx b/frontend/app/(main)/proxy-routes/detail/components/domain-section.tsx
index 49405501..590ba675 100644
--- a/frontend/app/(main)/proxy-routes/detail/components/domain-section.tsx
+++ b/frontend/app/(main)/proxy-routes/detail/components/domain-section.tsx
@@ -10,17 +10,12 @@ import {Form, FormControl, FormDescription, FormField, FormItem, FormLabel, Form
 import {Input} from '@/components/ui/input';
 import {Switch} from '@/components/ui/switch';
 import type {ProxyRouteItem} from '@/lib/services/openflare';
-import {TlsCertificateService, WebsiteService} from '@/lib/services/openflare';
+import {ZoneService, zoneQueryKey} from '@/lib/services/openflare';
 
-import {validateDomains} from '../../components/helpers';
-import {
-  buildDomainCertificateIDs,
-  buildDomainRows,
-  normalizeSelectedCertificateIDs,
-  proxyRouteFormIds,
-} from '../helpers';
+import {listAllZoneDomains} from '../../components/helpers';
+import {ZoneDomainSelector} from '../../components/zone-domain-selector';
+import {proxyRouteFormIds} from '../helpers';
 import {useRouteSectionSave} from '../hooks/use-route-section-save';
-import {DomainListInput} from './domain-list-input';
 import {SectionShell} from './section-shell';
 
 const domainSettingsSchema = z
@@ -30,42 +25,9 @@ const domainSettingsSchema = z
       .trim()
       .min(1, '请输入站点标识')
       .max(255, '站点标识不能超过 255 个字符'),
-    domain_rows: z
-      .array(
-        z.object({
-          domain: z.string(),
-          certificateId: z.string(),
-        }),
-      )
-      .min(1),
+    zone_domain_ids: z.array(z.number().int().positive()).min(1, '请至少选择一个域名'),
     enabled: z.boolean(),
     redirect_http: z.boolean(),
-  })
-  .superRefine((value, context) => {
-    const domains = value.domain_rows
-      .map((item) => item.domain.trim().toLowerCase())
-      .filter(Boolean);
-    const error = validateDomains(domains);
-    if (error) {
-      context.addIssue({
-        code: z.ZodIssueCode.custom,
-        path: ['domain_rows'],
-        message: error,
-      });
-    }
-
-    const selectedCertificateCount = new Set(
-      value.domain_rows
-        .map((item) => Number(item.certificateId))
-        .filter((item) => Number.isFinite(item) && item > 0),
-    ).size;
-    if (value.redirect_http && selectedCertificateCount === 0) {
-      context.addIssue({
-        code: z.ZodIssueCode.custom,
-        path: ['redirect_http'],
-        message: '启用 HTTP 跳转前，请先为域名选择证书',
-      });
-    }
   });
 
 type DomainSettingsValues = z.infer<typeof domainSettingsSchema>;
@@ -79,21 +41,21 @@ interface DomainSectionProps {
 export function DomainSection({ route, onRouteUpdate, onSavingChange }: DomainSectionProps) {
   const { saving, save } = useRouteSectionSave(route, onRouteUpdate, onSavingChange);
 
-  const certificatesQuery = useQuery({
-    queryKey: ['openflare', 'tls-certificates'],
-    queryFn: () => TlsCertificateService.list(),
+  const zonesQuery = useQuery({
+    queryKey: zoneQueryKey,
+    queryFn: () => ZoneService.list(),
   });
 
-  const managedDomainsQuery = useQuery({
-    queryKey: ['openflare', 'managed-domains'],
-    queryFn: () => WebsiteService.list(),
+  const domainsQuery = useQuery({
+    queryKey: [...zoneQueryKey, 'all-domains'],
+    queryFn: () => listAllZoneDomains(),
   });
 
   const form = useForm<DomainSettingsValues>({
     resolver: zodResolver(domainSettingsSchema),
     defaultValues: {
       site_name: route.site_name,
-      domain_rows: buildDomainRows(route),
+      zone_domain_ids: route.zone_domain_ids ?? [],
       enabled: route.enabled,
       redirect_http: route.redirect_http,
     },
@@ -102,26 +64,47 @@ export function DomainSection({ route, onRouteUpdate, onSavingChange }: DomainSe
   useEffect(() => {
     form.reset({
       site_name: route.site_name,
-      domain_rows: buildDomainRows(route),
+      zone_domain_ids: route.zone_domain_ids ?? [],
       enabled: route.enabled,
       redirect_http: route.redirect_http,
     });
   }, [form, route]);
 
-  const domainSuggestionSources = useMemo(
-    () => [
-      ...(route.domains ?? []),
-      ...(managedDomainsQuery.data?.map((item) => item.domain) ?? []),
-    ],
-    [managedDomainsQuery.data, route.domains],
-  );
+  const selectedIDs = form.watch('zone_domain_ids');
+  const selectedDomains = useMemo(() => {
+    const fromApi = domainsQuery.data ?? [];
+    const byId = new Map(fromApi.map((domain) => [domain.id, domain]));
+    // Prefer live catalog; fall back to route-bound domains for display before catalog loads.
+    return selectedIDs
+      .map((id) => {
+        const catalog = byId.get(id);
+        if (catalog) {
+          return catalog;
+        }
+        const bound = (route.zone_domains ?? []).find((item) => item.id === id);
+        if (!bound) {
+          return null;
+        }
+        return {
+          id: bound.id,
+          zone_id: bound.zone_id,
+          proxy_route_id: route.id,
+          domain: bound.domain,
+          cert_id: bound.cert_id,
+          remark: '',
+          created_at: '',
+          updated_at: '',
+        };
+      })
+      .filter((item): item is NonNullable<typeof item> => item != null);
+  }, [domainsQuery.data, route.id, route.zone_domains, selectedIDs]);
 
-  const selectedCertificateIDs = normalizeSelectedCertificateIDs(form.watch('domain_rows'));
+  const hasCertificate = selectedDomains.some((domain) => domain.cert_id != null);
 
   return (
     <SectionShell
       title="域名设置"
-      description="在一个列表里同时维护域名、证书和 HTTPS 跳转。保存时会自动汇总站点证书集合。"
+      description="绑定已在 Zone 中注册的 FQDN。证书请在 Zone 域名管理中维护。"
       formId={proxyRouteFormIds.domains}
       saving={saving}
     >
@@ -130,23 +113,20 @@ export function DomainSection({ route, onRouteUpdate, onSavingChange }: DomainSe
           id={proxyRouteFormIds.domains}
           className="space-y-5"
           onSubmit={form.handleSubmit(async (values) => {
-            const domains = values.domain_rows
-              .map((item) => item.domain.trim().toLowerCase())
-              .filter(Boolean);
-            const domainCertIDs = buildDomainCertificateIDs(values.domain_rows);
-            const certIDs = normalizeSelectedCertificateIDs(values.domain_rows);
+            if (values.redirect_http && !hasCertificate) {
+              form.setError('redirect_http', {
+                message: '启用 HTTP 跳转前，请先为所选域名绑定证书（在 Zone 中配置）',
+              });
+              return;
+            }
 
             await save(
               {
                 site_name: values.site_name.trim(),
-                domain: domains[0],
-                domains,
+                zone_domain_ids: values.zone_domain_ids,
                 enabled: values.enabled,
-                enable_https: certIDs.length > 0,
-                cert_id: certIDs[0] ?? null,
-                cert_ids: certIDs,
-                domain_cert_ids: domainCertIDs,
-                redirect_http: certIDs.length > 0 ? values.redirect_http : false,
+                enable_https: hasCertificate,
+                redirect_http: hasCertificate ? values.redirect_http : false,
               },
               '域名设置已保存',
             );
@@ -185,21 +165,22 @@ export function DomainSection({ route, onRouteUpdate, onSavingChange }: DomainSe
 
           <FormField
             control={form.control}
-            name="domain_rows"
+            name="zone_domain_ids"
             render={({ field }) => (
               <FormItem>
-                <FormLabel>域名列表</FormLabel>
+                <FormLabel>绑定域名</FormLabel>
                 <FormControl>
-                  <DomainListInput
-                    rows={field.value}
+                  <ZoneDomainSelector
+                    value={field.value}
                     onChange={field.onChange}
-                    onBlur={field.onBlur}
-                    suggestionSources={domainSuggestionSources}
-                    certificates={certificatesQuery.data ?? []}
+                    domains={domainsQuery.data ?? []}
+                    zones={zonesQuery.data ?? []}
+                    currentRouteId={route.id}
+                    disabled={domainsQuery.isLoading}
                   />
                 </FormControl>
                 <FormDescription>
-                  每行配置一个域名。可为不同域名选择不同证书，托管域名将自动匹配证书。
+                  仅选择绑定关系；证书与 FQDN 请到对应 Zone 详情页管理。
                 </FormDescription>
                 <FormMessage />
               </FormItem>
@@ -214,15 +195,15 @@ export function DomainSection({ route, onRouteUpdate, onSavingChange }: DomainSe
                 <div className="space-y-0.5">
                   <FormLabel>HTTP 自动跳转到 HTTPS</FormLabel>
                   <FormDescription>
-                    {selectedCertificateIDs.length > 0
+                    {hasCertificate
                       ? '开启后会额外生成 80 端口重定向规则。'
-                      : '至少为一个域名选择证书后才能启用。'}
+                      : '所选域名至少绑定一张证书后才能启用。'}
                   </FormDescription>
                 </div>
                 <FormControl>
                   <Switch
                     checked={field.value}
-                    disabled={selectedCertificateIDs.length === 0}
+                    disabled={!hasCertificate}
                     onCheckedChange={field.onChange}
                   />
                 </FormControl>
diff --git a/frontend/app/(main)/proxy-routes/detail/helpers.ts b/frontend/app/(main)/proxy-routes/detail/helpers.ts
index b7247127..61fb5818 100644
--- a/frontend/app/(main)/proxy-routes/detail/helpers.ts
+++ b/frontend/app/(main)/proxy-routes/detail/helpers.ts
@@ -1,9 +1,4 @@
-import type {ProxyRouteConfigSection, ProxyRouteItem} from '@/lib/services/openflare';
-
-export type DomainListRow = {
-  domain: string;
-  certificateId: string;
-};
+import type {ProxyRouteConfigSection} from '@/lib/services/openflare';
 
 export const proxyRouteFormIds: Record<ProxyRouteConfigSection, string> = {
   domains: 'proxy-route-domains-form',
@@ -14,74 +9,6 @@ export const proxyRouteFormIds: Record<ProxyRouteConfigSection, string> = {
   auth: 'proxy-route-auth-form',
 };
 
-function ensureRows(rows: DomainListRow[]) {
-  return rows.length > 0 ? rows : [{ domain: '', certificateId: '' }];
-}
-
-export function buildDomainRowsFromRoute(
-  domains: string[],
-  domainCertIDs: number[],
-  certIDs: number[],
-): DomainListRow[] {
-  if (domains.length === 0) {
-    return ensureRows([]);
-  }
-
-  if (domainCertIDs.length === domains.length) {
-    return domains.map((domain, index) => ({
-      domain,
-      certificateId: domainCertIDs[index] ? String(domainCertIDs[index]) : '',
-    }));
-  }
-
-  if (certIDs.length === 0) {
-    return domains.map((domain) => ({ domain, certificateId: '' }));
-  }
-
-  if (certIDs.length === 1) {
-    return domains.map((domain) => ({
-      domain,
-      certificateId: String(certIDs[0]),
-    }));
-  }
-
-  return domains.map((domain, index) => ({
-    domain,
-    certificateId: certIDs[index] ? String(certIDs[index]) : '',
-  }));
-}
-
-export function normalizeSelectedCertificateIDs(rows: DomainListRow[]) {
-  return Array.from(
-    new Set(
-      rows
-        .filter((item) => item.domain.trim() !== '')
-        .map((item) => Number(item.certificateId))
-        .filter((item) => Number.isFinite(item) && item > 0),
-    ),
-  );
-}
-
-export function buildDomainCertificateIDs(rows: DomainListRow[]) {
-  return rows
-    .filter((item) => item.domain.trim() !== '')
-    .map((item) => {
-      const certificateID = Number(item.certificateId);
-      return Number.isFinite(certificateID) && certificateID > 0 ? certificateID : 0;
-    });
-}
-
-export function buildDomainRows(route: ProxyRouteItem) {
-  const selectedCertIDs =
-    route.cert_ids.length > 0
-      ? route.cert_ids
-      : route.cert_id
-        ? [route.cert_id]
-        : [];
-
-  return buildDomainRowsFromRoute(route.domains, route.domain_cert_ids, selectedCertIDs);
-}
-
 export function submitProxyRouteSectionForm(section: ProxyRouteConfigSection) {
   const form = document.getElementById(proxyRouteFormIds[section]);
   if (form instanceof HTMLFormElement) {
@@ -89,4 +16,4 @@ export function submitProxyRouteSectionForm(section: ProxyRouteConfigSection) {
     return true;
   }
   return false;
-}
\ No newline at end of file
+}
diff --git a/frontend/app/(main)/proxy-routes/page-client.tsx b/frontend/app/(main)/proxy-routes/page-client.tsx
index 64f0af6a..cac921e5 100644
--- a/frontend/app/(main)/proxy-routes/page-client.tsx
+++ b/frontend/app/(main)/proxy-routes/page-client.tsx
@@ -25,7 +25,12 @@ import {Table, TableBody, TableCell, TableHead, TableHeader, TableRow,} from '@/
 import type {ProxyRouteItem} from '@/lib/services/openflare';
 import {ProxyRouteService} from '@/lib/services/openflare';
 
-import {getUpstreamSummary} from './components/helpers';
+import {
+  getRouteDomainNames,
+  getRouteDomainsLabel,
+  getRoutePrimaryDomain,
+  getUpstreamSummary,
+} from './components/helpers';
 import {ProxyRouteCreateSheet} from './components/proxy-route-create-sheet';
 
 export function ProxyRoutesPageClient() {
@@ -64,8 +69,8 @@ export function ProxyRoutesPageClient() {
     return routes.filter((route) => {
       const haystack = [
         route.site_name,
-        route.primary_domain,
-        ...route.domains,
+        getRoutePrimaryDomain(route),
+        ...getRouteDomainNames(route),
         route.origin_url,
         route.remark,
       ]
@@ -170,8 +175,11 @@ export function ProxyRoutesPageClient() {
                 {filteredRoutes.map((route) => (
                   <TableRow key={route.id}>
                     <TableCell className="font-medium">{route.site_name}</TableCell>
-                    <TableCell className="max-w-[220px] truncate" title={route.domains.join(', ')}>
-                      {route.primary_domain || route.domain}
+                    <TableCell
+                      className="max-w-[220px] truncate"
+                      title={getRouteDomainsLabel(route)}
+                    >
+                      {getRoutePrimaryDomain(route) || getRouteDomainsLabel(route)}
                     </TableCell>
                     <TableCell>
                       <Badge variant={route.enabled ? 'default' : 'secondary'}>
diff --git a/frontend/app/(main)/waf/components/site-binding-sheet.tsx b/frontend/app/(main)/waf/components/site-binding-sheet.tsx
index 022148a5..3beee3e2 100644
--- a/frontend/app/(main)/waf/components/site-binding-sheet.tsx
+++ b/frontend/app/(main)/waf/components/site-binding-sheet.tsx
@@ -38,7 +38,10 @@ export function SiteBindingSheet({
     const normalized = keyword.trim().toLowerCase();
     if (!normalized) return routes;
     return routes.filter((route) =>
-      [route.site_name, route.primary_domain, ...route.domains]
+      [
+        route.site_name,
+        ...(route.zone_domains ?? []).map((item) => item.domain),
+      ]
         .join(' ')
         .toLowerCase()
         .includes(normalized),
@@ -109,7 +112,8 @@ export function SiteBindingSheet({
                     {route.site_name}
                   </span>
                   <span className="block truncate text-xs text-muted-foreground">
-                    {route.domains.join(', ')}
+                    {(route.zone_domains ?? []).map((item) => item.domain).join(', ') ||
+                      '未绑定域名'}
                   </span>
                 </span>
               </button>
diff --git a/frontend/tests/zone/zone-domain-selector.test.tsx b/frontend/tests/zone/zone-domain-selector.test.tsx
new file mode 100644
index 00000000..a49c58ad
--- /dev/null
+++ b/frontend/tests/zone/zone-domain-selector.test.tsx
@@ -0,0 +1,81 @@
+import {render, screen} from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import {describe, expect, it, vi} from 'vitest';
+
+import {ZoneDomainSelector} from '@/app/(main)/proxy-routes/components/zone-domain-selector';
+import type {ZoneDomainItem, ZoneItem} from '@/lib/services/openflare';
+
+vi.mock('next/link', () => ({
+  default: ({children, href}: {children: React.ReactNode; href: string}) => (
+    <a href={href}>{children}</a>
+  ),
+}));
+
+const zones: ZoneItem[] = [
+  {id: 1, domain: 'arctel.de', remark: '', created_at: '', updated_at: ''},
+];
+
+const domains: ZoneDomainItem[] = [
+  {
+    id: 7,
+    zone_id: 1,
+    proxy_route_id: null,
+    domain: 'api.arctel.de',
+    cert_id: 9,
+    remark: '',
+    created_at: '',
+    updated_at: '',
+  },
+  {
+    id: 8,
+    zone_id: 1,
+    proxy_route_id: 99,
+    domain: 'bound.arctel.de',
+    cert_id: null,
+    remark: '',
+    created_at: '',
+    updated_at: '',
+  },
+];
+
+describe('ZoneDomainSelector', () => {
+  it('renders domains and toggles selection', async () => {
+    const user = userEvent.setup();
+    const onChange = vi.fn();
+
+    render(
+      <ZoneDomainSelector
+        value={[7]}
+        onChange={onChange}
+        domains={domains}
+        zones={zones}
+      />,
+    );
+
+    expect(screen.getByText('api.arctel.de')).toBeVisible();
+    expect(screen.getByText('bound.arctel.de')).toBeVisible();
+    expect(screen.getByText('路由 #99')).toBeVisible();
+
+    // Deselect already selected domain
+    await user.click(screen.getByText('api.arctel.de'));
+    expect(onChange).toHaveBeenCalledWith([]);
+  });
+
+  it('does not select domains bound to another route', async () => {
+    const user = userEvent.setup();
+    const onChange = vi.fn();
+
+    render(
+      <ZoneDomainSelector
+        value={[]}
+        onChange={onChange}
+        domains={domains}
+        zones={zones}
+        currentRouteId={1}
+      />,
+    );
+
+    await user.click(screen.getByText('bound.arctel.de'));
+    expect(onChange).not.toHaveBeenCalled();
+  });
+});