diff --git a/app.py b/app.py
index 3a97084..3b027e2 100644
--- a/app.py
+++ b/app.py
@@ -1793,6 +1793,7 @@ class SyncSettings(BaseModel):
     xui_server_id: int = 0
     xui_protocol: str = 'xray'
     xui_inbound_id: int = 0
+    xui_sub_url: str = ''
 
 class CaptchaSettings(BaseModel):
     enabled: bool = False
@@ -1887,7 +1888,7 @@ class InviteCreateRequest(BaseModel):
     server_id: int = 0
     xui_inbound_id: int = 0
     password: Optional[str] = None
-    expires_at: Optional[str] = None
+    duration_days: int = 0  # client lifetime after redeem; 0 = no expiry
     note: str = ''
     enabled: bool = True
 
@@ -1901,8 +1902,7 @@ class InviteUpdateRequest(BaseModel):
     xui_inbound_id: Optional[int] = None
     password: Optional[str] = None
     clear_password: bool = False
-    expires_at: Optional[str] = None
-    clear_expires: bool = False
+    duration_days: Optional[int] = None
     note: Optional[str] = None
     enabled: Optional[bool] = None
     reset_used: bool = False
@@ -4246,15 +4246,8 @@ def _invite_public_view(link: dict) -> dict:
     max_uses = int(link.get('max_uses') or 0)
     used = int(link.get('used_count') or 0)
     remaining = None if max_uses <= 0 else max(0, max_uses - used)
-    expired = False
-    if link.get('expires_at'):
-        try:
-            exp = datetime.fromisoformat(str(link['expires_at']).replace('Z', '+00:00'))
-            now = datetime.now(exp.tzinfo) if exp.tzinfo else datetime.now()
-            expired = now > exp
-        except Exception:
-            expired = False
     exhausted = remaining is not None and remaining <= 0
+    duration_days = int(link.get('duration_days') or 0)
     return {
         'id': link.get('id'),
         'name': link.get('name') or 'Invite',
@@ -4264,17 +4257,17 @@ def _invite_public_view(link: dict) -> dict:
         'used_count': used,
         'remaining': remaining,
         'unlimited': max_uses <= 0,
-        'expired': expired,
+        'expired': False,
         'exhausted': exhausted,
         'has_password': bool(link.get('password_hash')),
         'protocol': link.get('protocol') or 'xui',
         'server_id': int(link.get('server_id') or 0),
         'xui_inbound_id': int(link.get('xui_inbound_id') or 0),
+        'duration_days': duration_days,
         'user_id': link.get('user_id') or '',
         'note': link.get('note') or '',
-        'expires_at': link.get('expires_at'),
         'created_at': link.get('created_at'),
-        'available': bool(link.get('enabled', True)) and not expired and not exhausted,
+        'available': bool(link.get('enabled', True)) and not exhausted,
     }
 
 
@@ -4288,6 +4281,14 @@ def _invite_auth_ok(link: dict, request: Request) -> bool:
     return bool(request.session.get(f"invite_auth_{link.get('token')}"))
 
 
+def _expiry_ms_from_duration_days(duration_days: int) -> int:
+    """3x-ui expiryTime is unix ms; 0 means no expiry. Starts now (on redeem)."""
+    days = int(duration_days or 0)
+    if days <= 0:
+        return 0
+    return int((datetime.now().timestamp() + days * 86400) * 1000)
+
+
 async def _create_config_for_protocol(
     data: dict,
     *,
@@ -4295,21 +4296,32 @@ async def _create_config_for_protocol(
     name: str,
     server_id: int = 0,
     xui_inbound_id: Optional[int] = None,
+    duration_days: int = 0,
 ) -> dict:
-    """Create VPN client; returns {client_id, config, protocol, server_id}."""
+    """Create VPN client; returns {client_id, config, subscription_url, protocol, server_id}."""
     protocol = protocol or 'xui'
     if protocol_base(protocol) == 'xui':
+        if not xui_inbound_id:
+            raise RuntimeError('Select a VLESS inbound for this invite link')
         from managers.xui_api import xui_create_vless_config
+        expiry_ms = _expiry_ms_from_duration_days(duration_days)
         created = await xui_create_vless_config(
             data.get('settings', {}),
             name=name,
             inbound_id=xui_inbound_id,
+            expiry_time=expiry_ms,
         )
         return {
             'client_id': created['client_id'],
             'config': created.get('config') or '',
+            'subscription_url': created.get('subscription_url') or '',
+            'sub_id': created.get('sub_id') or '',
             'protocol': 'xui',
             'server_id': 0,
+            'expires_at': (
+                datetime.fromtimestamp(expiry_ms / 1000).isoformat()
+                if expiry_ms > 0 else None
+            ),
         }
 
     sid = int(server_id or 0)
@@ -4336,8 +4348,10 @@ async def _create_config_for_protocol(
     return {
         'client_id': result['client_id'],
         'config': result.get('config') or '',
+        'subscription_url': '',
         'protocol': protocol,
         'server_id': sid,
+        'expires_at': None,
     }
 
 
@@ -4356,6 +4370,8 @@ async def invites_page(request: Request):
         users=data.get('users', []),
         servers=data.get('servers', []),
         xui_configured=bool(((data.get('settings') or {}).get('sync') or {}).get('xui_url')),
+        xui_sub_url=(((data.get('settings') or {}).get('sync') or {}).get('xui_sub_url') or ''),
+        xui_default_inbound=int((((data.get('settings') or {}).get('sync') or {}).get('xui_inbound_id') or 0)),
     )
 
 
@@ -4373,9 +4389,15 @@ async def api_create_invite(request: Request, req: InviteCreateRequest):
         return JSONResponse({'error': 'Forbidden'}, status_code=403)
     if req.max_uses < 0:
         return JSONResponse({'error': 'max_uses must be >= 0'}, status_code=400)
+    if req.duration_days < 0:
+        return JSONResponse({'error': 'duration_days must be >= 0'}, status_code=400)
     data = load_data()
     if req.user_id and not any(u['id'] == req.user_id for u in data['users']):
         return JSONResponse({'error': 'User not found'}, status_code=400)
+    protocol = req.protocol or 'xui'
+    inbound_id = int(req.xui_inbound_id or 0)
+    if protocol_base(protocol) == 'xui' and not inbound_id:
+        return JSONResponse({'error': 'Select a VLESS inbound'}, status_code=400)
     link = {
         'id': str(uuid.uuid4()),
         'name': (req.name or 'Invite').strip() or 'Invite',
@@ -4384,11 +4406,12 @@ async def api_create_invite(request: Request, req: InviteCreateRequest):
         'max_uses': int(req.max_uses),
         'used_count': 0,
         'user_id': req.user_id or '',
-        'protocol': req.protocol or 'xui',
+        'protocol': protocol,
         'server_id': int(req.server_id or 0),
-        'xui_inbound_id': int(req.xui_inbound_id or 0),
+        'xui_inbound_id': inbound_id,
         'password_hash': hash_password(req.password) if req.password else None,
-        'expires_at': req.expires_at or None,
+        'expires_at': None,
+        'duration_days': int(req.duration_days or 0),
         'note': req.note or '',
         'created_at': datetime.now().isoformat(),
     }
@@ -4422,20 +4445,23 @@ async def api_update_invite(request: Request, invite_id: str, req: InviteUpdateR
         link['server_id'] = int(req.server_id)
     if req.xui_inbound_id is not None:
         link['xui_inbound_id'] = int(req.xui_inbound_id)
+    if req.duration_days is not None:
+        if req.duration_days < 0:
+            return JSONResponse({'error': 'duration_days must be >= 0'}, status_code=400)
+        link['duration_days'] = int(req.duration_days)
     if req.clear_password:
         link['password_hash'] = None
     elif req.password:
         link['password_hash'] = hash_password(req.password)
-    if req.clear_expires:
-        link['expires_at'] = None
-    elif req.expires_at is not None:
-        link['expires_at'] = req.expires_at or None
     if req.note is not None:
         link['note'] = req.note
     if req.enabled is not None:
         link['enabled'] = bool(req.enabled)
     if req.reset_used:
         link['used_count'] = 0
+    # Validate inbound for xui
+    if protocol_base(link.get('protocol') or 'xui') == 'xui' and not int(link.get('xui_inbound_id') or 0):
+        return JSONResponse({'error': 'Select a VLESS inbound'}, status_code=400)
     save_data(data)
     return {'status': 'success', 'invite': _invite_public_view(link)}
 
@@ -4556,7 +4582,8 @@ async def api_invite_create_config(token: str, req: InviteRedeemRequest, request
             protocol=link.get('protocol') or 'xui',
             name=name,
             server_id=int(link.get('server_id') or 0),
-            xui_inbound_id=link.get('xui_inbound_id') or None,
+            xui_inbound_id=int(link.get('xui_inbound_id') or 0) or None,
+            duration_days=int(link.get('duration_days') or 0),
         )
         conn = {
             'id': str(uuid.uuid4()),
@@ -4572,13 +4599,17 @@ async def api_invite_create_config(token: str, req: InviteRedeemRequest, request
             data.setdefault('user_connections', []).append(conn)
             save_data(data)
         config = created.get('config') or ''
-        vpn_link = generate_vpn_link(config) if config else ''
+        subscription_url = created.get('subscription_url') or ''
+        # For subscription URLs, vpn_link is the same shareable string
+        vpn_link = subscription_url or (generate_vpn_link(config) if config else '')
         data = load_data()
         link = _find_invite(data, token) or link
         return {
             'status': 'success',
             'config': config,
+            'subscription_url': subscription_url,
             'vpn_link': vpn_link,
+            'expires_at': created.get('expires_at'),
             'connection': conn,
             'invite': _invite_public_view(link),
         }
@@ -4872,7 +4903,7 @@ async def api_xui_sync_now(request: Request):
         for key in (
             'xui_url', 'xui_username', 'xui_password', 'xui_api_token',
             'xui_create_conns', 'xui_server_id', 'xui_protocol', 'xui_sync_users', 'xui_sync',
-            'xui_inbound_id',
+            'xui_inbound_id', 'xui_sub_url',
         ):
             if key in body and body[key] is not None:
                 sync_cfg[key] = body[key]
diff --git a/db/connection.py b/db/connection.py
index 20e7752..7b57749 100644
--- a/db/connection.py
+++ b/db/connection.py
@@ -84,6 +84,9 @@ def init_schema():
             cur.execute(
                 "CREATE INDEX IF NOT EXISTS idx_users_xui_email ON users(xui_email)"
             )
+            cur.execute(
+                "ALTER TABLE invite_links ADD COLUMN IF NOT EXISTS duration_days INTEGER NOT NULL DEFAULT 0"
+            )
         conn.commit()
     _schema_ready = True
     logger.info('PostgreSQL schema ready')
diff --git a/db/schema.sql b/db/schema.sql
index bc899a8..272bd84 100644
--- a/db/schema.sql
+++ b/db/schema.sql
@@ -85,6 +85,7 @@ CREATE TABLE IF NOT EXISTS invite_links (
     xui_inbound_id INTEGER NOT NULL DEFAULT 0,
     password_hash TEXT,
     expires_at TIMESTAMPTZ,
+    duration_days INTEGER NOT NULL DEFAULT 0,
     note TEXT,
     created_at TIMESTAMPTZ
 );
diff --git a/db/store.py b/db/store.py
index 77e881f..320bedc 100644
--- a/db/store.py
+++ b/db/store.py
@@ -45,6 +45,7 @@ DEFAULT_SETTINGS = {
         'xui_server_id': 0,
         'xui_protocol': 'xray',
         'xui_inbound_id': 0,
+        'xui_sub_url': '',
     },
     'guest': {
         'enabled': False,
@@ -209,6 +210,7 @@ def _row_to_invite(row) -> dict:
         'xui_inbound_id': int(row['xui_inbound_id'] or 0),
         'password_hash': row['password_hash'],
         'expires_at': _ts_iso(row['expires_at']),
+        'duration_days': int(row.get('duration_days') or 0),
         'note': row['note'] or '',
         'created_at': _ts_iso(row['created_at']),
     }
@@ -252,7 +254,7 @@ def load_data() -> dict:
             cur.execute(
                 'SELECT id, name, token, enabled, max_uses, used_count, user_id, '
                 'protocol, server_id, xui_inbound_id, password_hash, expires_at, '
-                'note, created_at FROM invite_links '
+                'duration_days, note, created_at FROM invite_links '
                 'ORDER BY created_at DESC NULLS LAST, name'
             )
             invite_links = [_row_to_invite(r) for r in cur.fetchall()]
@@ -392,8 +394,8 @@ def save_data(data: dict) -> None:
                     'INSERT INTO invite_links ('
                     'id, name, token, enabled, max_uses, used_count, user_id, '
                     'protocol, server_id, xui_inbound_id, password_hash, expires_at, '
-                    'note, created_at'
-                    ') VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)',
+                    'duration_days, note, created_at'
+                    ') VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)',
                     (
                         _as_uuid(link['id']),
                         link.get('name') or '',
@@ -407,6 +409,7 @@ def save_data(data: dict) -> None:
                         int(link.get('xui_inbound_id') or 0),
                         link.get('password_hash'),
                         _parse_ts(link.get('expires_at')),
+                        int(link.get('duration_days') or 0),
                         link.get('note') or '',
                         _parse_ts(link.get('created_at')),
                     ),
diff --git a/managers/xui_api.py b/managers/xui_api.py
index 4edb864..190f8ca 100644
--- a/managers/xui_api.py
+++ b/managers/xui_api.py
@@ -32,9 +32,21 @@ def _settings_creds(settings: dict) -> dict:
         'username': (sync.get('xui_username') or '').strip(),
         'password': sync.get('xui_password') or '',
         'inbound_id': sync.get('xui_inbound_id'),
+        'sub_url': (sync.get('xui_sub_url') or '').strip().rstrip('/'),
     }
 
 
+def build_subscription_url(settings: dict, sub_id: str) -> str:
+    """Build public subscription URL from panel settings + client subId."""
+    sub_id = (sub_id or '').strip()
+    if not sub_id:
+        return ''
+    base = _settings_creds(settings).get('sub_url') or ''
+    if not base:
+        return ''
+    return f"{base}/{sub_id}"
+
+
 class XuiApiError(RuntimeError):
     pass
 
@@ -211,6 +223,7 @@ class XuiApi:
             'email': email,
             'config': vless or '',
             'links': links,
+            'expiry_time': expiry_time,
         }
 
     async def get_client_links(self, email: str) -> list:
@@ -292,8 +305,14 @@ class XuiApi:
         raise XuiApiError(f'Failed to toggle 3x-ui client {email}')
 
 
-async def xui_create_vless_config(settings: dict, *, name: str, inbound_id: Optional[int] = None) -> dict:
-    """Create a VLESS client on 3x-ui and return {client_id, config, links}."""
+async def xui_create_vless_config(
+    settings: dict,
+    *,
+    name: str,
+    inbound_id: Optional[int] = None,
+    expiry_time: int = 0,
+) -> dict:
+    """Create a VLESS client on 3x-ui and return {client_id, config, subscription_url, links}."""
     creds = _settings_creds(settings)
     inbound = inbound_id if inbound_id is not None else creds.get('inbound_id')
     try:
@@ -312,16 +331,39 @@ async def xui_create_vless_config(settings: dict, *, name: str, inbound_id: Opti
         base = ''.join(ch if ch.isalnum() or ch in '._-+@' else '_' for ch in (name or 'user').strip())
         base = base[:48] or f'user_{secrets.token_hex(4)}'
         email = base
+        created = None
         # Avoid collisions
         for _ in range(5):
             try:
-                return await api.add_vless_client(email=email, inbound_id=inbound, comment=name or email)
+                created = await api.add_vless_client(
+                    email=email,
+                    inbound_id=inbound,
+                    comment=name or email,
+                    expiry_time=int(expiry_time or 0),
+                )
+                break
             except XuiApiError as e:
                 if 'exist' in str(e).lower() or 'duplicate' in str(e).lower() or 'already' in str(e).lower():
                     email = f'{base}_{secrets.token_hex(3)}'
                     continue
                 raise
-        return await api.add_vless_client(email=email, inbound_id=inbound, comment=name or email)
+        if created is None:
+            created = await api.add_vless_client(
+                email=email,
+                inbound_id=inbound,
+                comment=name or email,
+                expiry_time=int(expiry_time or 0),
+            )
+
+        sub_url = build_subscription_url(settings, created.get('sub_id') or '')
+        # Prefer subscription URL as the main share string when configured
+        if sub_url:
+            created['subscription_url'] = sub_url
+            created['config'] = sub_url
+        else:
+            created['subscription_url'] = ''
+        created['inbound_id'] = inbound
+        return created
 
 
 async def xui_get_config(settings: dict, email: str) -> str:
diff --git a/templates/invite.html b/templates/invite.html
index b00d4c6..3ea42e0 100644
--- a/templates/invite.html
+++ b/templates/invite.html
@@ -3,16 +3,15 @@
 {% block title_extra %} — {{ _('invite_public_title') }}{% endblock %}
 
 {% block content %}
-<div class="card" style="max-width: 560px; margin: 2rem auto;">
-    <div class="card-header"
-        style="justify-content: center; text-align: center; flex-direction: column; gap: var(--space-xs);">
-        <h2 class="card-title">{{ invite.name }}</h2>
-        <p style="color: var(--text-muted); font-size: 0.9rem;">{{ _('invite_public_subtitle') }}</p>
+<div class="card" style="max-width: 520px; margin: 2.5rem auto; overflow:hidden;">
+    <div style="padding: var(--space-xl) var(--space-lg) var(--space-md); text-align:center; background: linear-gradient(180deg, rgba(59,130,246,0.12), transparent);">
+        <div style="width:56px;height:56px;border-radius:16px;margin:0 auto var(--space-md);display:flex;align-items:center;justify-content:center;background:var(--bg-primary);font-size:1.6rem;">🔗</div>
+        <h2 class="card-title" style="margin-bottom:6px;">{{ invite.name }}</h2>
+        <p style="color: var(--text-muted); font-size: 0.92rem; margin:0;">{{ _('invite_public_subtitle') }}</p>
     </div>
 
     {% if need_password %}
     <div style="padding: var(--space-lg); text-align: center;">
-        <div class="logo-icon" style="font-size: 3rem; margin-bottom: var(--space-md);">🔐</div>
         <p style="margin-bottom: var(--space-md);">{{ _('invite_protected_desc') }}</p>
         <form id="authForm" onsubmit="authInvite(event)"
             style="display: flex; flex-direction: column; gap: var(--space-md); max-width: 300px; margin: 0 auto;">
@@ -26,27 +25,39 @@
         </form>
     </div>
     {% else %}
-    <div style="padding: var(--space-lg); text-align: center;">
-        <div id="statusBox" style="margin-bottom: var(--space-md); color: var(--text-muted); font-size: 0.95rem;">
-            {% if invite.unlimited %}
-            {{ _('invite_uses_left_unlimited').replace('{}', invite.used_count|string) }}
-            {% elif invite.remaining is not none %}
-            {{ _('invite_uses_left').replace('{}', invite.remaining|string) }}
-            {% endif %}
+    <div style="padding: var(--space-lg);">
+        <div style="display:grid; grid-template-columns:1fr 1fr; gap:var(--space-sm); margin-bottom:var(--space-lg);">
+            <div style="background:var(--bg-primary); border-radius:var(--radius-md); padding:var(--space-md); text-align:center;">
+                <div style="font-size:0.72rem; color:var(--text-muted); text-transform:uppercase;">{{ _('invite_uses') }}</div>
+                <div id="usesValue" style="font-weight:700; font-size:1.15rem; margin-top:4px;">
+                    {% if invite.unlimited %}∞{% else %}{{ invite.remaining }}{% endif %}
+                </div>
+            </div>
+            <div style="background:var(--bg-primary); border-radius:var(--radius-md); padding:var(--space-md); text-align:center;">
+                <div style="font-size:0.72rem; color:var(--text-muted); text-transform:uppercase;">{{ _('invite_duration_short') }}</div>
+                <div style="font-weight:700; font-size:1.15rem; margin-top:4px;">
+                    {% if invite.duration_days %}{{ invite.duration_days }} {{ _('days_short') }}{% else %}∞{% endif %}
+                </div>
+            </div>
         </div>
 
+        <p id="statusHint" style="text-align:center; color:var(--text-muted); font-size:0.88rem; margin:0 0 var(--space-md);">
+            {% if invite.duration_days %}
+            {{ _('invite_duration_starts_hint').replace('{}', invite.duration_days|string) }}
+            {% else %}
+            {{ _('invite_get_config_hint') }}
+            {% endif %}
+        </p>
+
         {% if invite.available %}
-        <button class="btn btn-primary" style="width:100%; max-width:320px;" onclick="createInviteConfig()" id="createBtn">
+        <button class="btn btn-primary" style="width:100%;" onclick="createInviteConfig()" id="createBtn">
             <span id="createBtnText">{{ _('guest_get_config') }}</span>
             <div class="spinner hidden" id="createSpinner" style="width:14px;height:14px;"></div>
         </button>
-        <div class="form-hint" style="margin-top: var(--space-sm);">{{ _('invite_get_config_hint') }}</div>
-        {% elif invite.expired %}
-        <p style="color:#ef4444;">{{ _('invite_expired') }}</p>
         {% elif invite.exhausted %}
-        <p style="color:#ef4444;">{{ _('invite_exhausted') }}</p>
+        <p style="text-align:center; color:#ef4444; margin:0;">{{ _('invite_exhausted') }}</p>
         {% else %}
-        <p style="color:#ef4444;">{{ _('disabled') }}</p>
+        <p style="text-align:center; color:#ef4444; margin:0;">{{ _('disabled') }}</p>
         {% endif %}
     </div>
     {% endif %}
@@ -58,14 +69,15 @@
             <h2 class="modal-title" id="configModalTitle">{{ _('config') }}</h2>
             <button class="modal-close" onclick="closeModal('configModal')">×</button>
         </div>
+        <div id="expiresBanner" class="hidden" style="margin:0 var(--space-md) var(--space-sm); padding:var(--space-sm) var(--space-md); border-radius:var(--radius-md); background:rgba(59,130,246,0.1); color:var(--text-muted); font-size:0.85rem;"></div>
         <div class="config-tabs">
-            <button class="config-tab active" onclick="switchConfigTab('conf')">{{ _('config_tab') }}</button>
+            <button class="config-tab active" onclick="switchConfigTab('conf')">{{ _('invite_sub_tab') }}</button>
             <button class="config-tab" onclick="switchConfigTab('vpn')">{{ _('vpn_key_tab') }}</button>
             <button class="config-tab" onclick="switchConfigTab('qr')">{{ _('qr_code_tab') }}</button>
         </div>
         <div class="config-panel active" id="panel-conf">
             <div class="config-display">
-                <textarea class="config-text" id="configText" readonly rows="12"
+                <textarea class="config-text" id="configText" readonly rows="8"
                     style="width:100%; border:none; background:transparent; color:inherit; font-family:monospace; resize:none; outline:none;"></textarea>
                 <div class="config-actions">
                     <button class="btn btn-secondary btn-sm" onclick="copyConfig()" style="flex:1">{{ _('copy_config') }}</button>
@@ -130,17 +142,24 @@
         document.getElementById(panels[tab]).classList.add('active');
     }
 
-    function openConfigModal(name, config, vpnLink) {
+    function openConfigModal(name, config, vpnLink, expiresAt) {
         currentConfig = config;
-        currentVpnLink = vpnLink || '';
+        currentVpnLink = vpnLink || config || '';
         document.getElementById('configText').value = config;
         document.getElementById('vpnLinkText').textContent = currentVpnLink;
         document.getElementById('configModalTitle').textContent = name;
-        document.getElementById('downloadBtn').onclick = () => downloadFile(config, `${name}.conf`);
+        const banner = document.getElementById('expiresBanner');
+        if (expiresAt) {
+            banner.textContent = _('invite_config_expires_at').replace('{}', new Date(expiresAt).toLocaleString());
+            banner.classList.remove('hidden');
+        } else {
+            banner.classList.add('hidden');
+        }
+        document.getElementById('downloadBtn').onclick = () => downloadFile(config, `${name}.txt`);
         const qrContainer = document.getElementById('qrcode');
         qrContainer.innerHTML = '';
         new QRCode(qrContainer, {
-            text: config, width: 256, height: 256,
+            text: currentVpnLink || config, width: 256, height: 256,
             colorDark: '#000000', colorLight: '#ffffff',
             correctLevel: QRCode.CorrectLevel.L
         });
@@ -152,14 +171,11 @@
     function copyVpnLink() { copyToClipboard(currentVpnLink); }
 
     function updateStatus(invite) {
-        const box = document.getElementById('statusBox');
-        if (!box || !invite) return;
-        if (invite.unlimited) {
-            box.textContent = _('invite_uses_left_unlimited').replace('{}', String(invite.used_count || 0));
-        } else if (invite.remaining != null) {
-            box.textContent = _('invite_uses_left').replace('{}', String(invite.remaining));
+        const uses = document.getElementById('usesValue');
+        if (uses && invite) {
+            uses.textContent = invite.unlimited ? '∞' : String(invite.remaining ?? 0);
         }
-        if (!invite.available) {
+        if (invite && !invite.available) {
             const btn = document.getElementById('createBtn');
             if (btn) btn.style.display = 'none';
         }
@@ -180,7 +196,8 @@
             });
             const data = await res.json();
             if (!res.ok || data.error) throw new Error(data.error || _('error'));
-            if (data.config) openConfigModal(data.connection?.name || 'VPN', data.config, data.vpn_link || '');
+            const share = data.subscription_url || data.config || '';
+            if (share) openConfigModal(data.connection?.name || 'VPN', share, data.vpn_link || share, data.expires_at);
             updateStatus(data.invite);
         } catch (err) {
             alert(`${_('error')}: ` + err.message);
diff --git a/templates/invites.html b/templates/invites.html
index 56f1c8f..56367b7 100644
--- a/templates/invites.html
+++ b/templates/invites.html
@@ -4,18 +4,30 @@
 
 {% block content %}
 <section>
-    <div class="flex items-center justify-between"
-        style="margin-bottom: var(--space-lg); gap: var(--space-md); flex-wrap: wrap;">
-        <h1 class="section-title" style="margin-bottom:0;">
-            <span class="icon">🔗</span>
-            {{ _('invites_title') }}
-        </h1>
+    <div style="display:flex; align-items:flex-end; justify-content:space-between; gap:var(--space-md); flex-wrap:wrap; margin-bottom:var(--space-lg);">
+        <div>
+            <h1 class="section-title" style="margin-bottom:var(--space-xs);">
+                <span class="icon">🔗</span>
+                {{ _('invites_title') }}
+            </h1>
+            <p style="color:var(--text-muted); margin:0; max-width:42rem; line-height:1.45;">{{ _('invites_hint') }}</p>
+        </div>
         <button class="btn btn-primary" onclick="openCreateInvite()">
             <span>＋</span> {{ _('invite_create') }}
         </button>
     </div>
 
-    <p class="form-hint" style="margin-bottom: var(--space-lg);">{{ _('invites_hint') }}</p>
+    {% if not xui_sub_url and xui_configured %}
+    <div class="card" style="margin-bottom:var(--space-lg); border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.06);">
+        <div style="display:flex; gap:var(--space-md); align-items:flex-start;">
+            <div style="font-size:1.4rem;">⚠️</div>
+            <div>
+                <div style="font-weight:600; margin-bottom:4px;">{{ _('invite_sub_url_missing_title') }}</div>
+                <div class="form-hint" style="margin:0;">{{ _('invite_sub_url_missing_hint') }}</div>
+            </div>
+        </div>
+    </div>
+    {% endif %}
 
     <div id="invitesEmpty" class="empty-state {% if invites %}hidden{% endif %}">
         <div class="empty-icon">🔗</div>
@@ -23,36 +35,43 @@
         <div class="empty-desc">{{ _('invites_empty_desc') }}</div>
     </div>
 
-    <div class="clients-list" id="invitesGrid"
-        style="display: grid; gap: var(--space-md); {% if not invites %}display:none;{% endif %}">
+    <div id="invitesGrid" style="display:{% if invites %}grid{% else %}none{% endif %}; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-md);">
         {% for inv in invites %}
-        <div class="client-item" id="invite-{{ inv.id }}" style="{% if not inv.enabled %}opacity:0.55;{% endif %}">
-            <div class="client-info">
-                <div class="client-avatar">🔗</div>
+        <div class="card invite-card" id="invite-{{ inv.id }}" style="padding:var(--space-md); {% if not inv.enabled %}opacity:0.55;{% endif %}">
+            <div style="display:flex; justify-content:space-between; gap:var(--space-sm); align-items:flex-start; margin-bottom:var(--space-sm);">
                 <div>
-                    <div class="client-name">
-                        {{ inv.name }}
-                        {% if inv.available %}
-                        <span class="badge badge-success">{{ _('invite_active') }}</span>
-                        {% elif inv.expired %}
-                        <span class="badge badge-warn">{{ _('invite_expired') }}</span>
-                        {% elif inv.exhausted %}
-                        <span class="badge badge-warn">{{ _('invite_exhausted') }}</span>
-                        {% else %}
-                        <span class="badge badge-secondary">{{ _('disabled') }}</span>
-                        {% endif %}
+                    <div style="font-weight:700; font-size:1.05rem;">{{ inv.name }}</div>
+                    <div style="font-size:0.8rem; color:var(--text-muted); margin-top:2px;">
+                        {% if inv.protocol == 'xui' %}3x-ui VLESS{% else %}{{ inv.protocol }}{% endif %}
+                        · inbound #{{ inv.xui_inbound_id or '—' }}
                     </div>
-                    <div class="client-meta">
-                        <span>{{ _('invite_uses') }}:
-                            {% if inv.unlimited %}{{ inv.used_count }} / ∞{% else %}{{ inv.used_count }} / {{ inv.max_uses }}{% endif %}
-                        </span>
-                        <span>{{ inv.protocol if inv.protocol != 'xui' else '3x-ui VLESS' }}</span>
-                        {% if inv.has_password %}<span>🔐</span>{% endif %}
+                </div>
+                {% if inv.available %}
+                <span class="badge badge-success">{{ _('invite_active') }}</span>
+                {% elif inv.exhausted %}
+                <span class="badge badge-warn">{{ _('invite_exhausted') }}</span>
+                {% else %}
+                <span class="badge badge-secondary">{{ _('disabled') }}</span>
+                {% endif %}
+            </div>
+
+            <div style="display:grid; grid-template-columns:1fr 1fr; gap:var(--space-sm); margin-bottom:var(--space-md);">
+                <div style="background:var(--bg-primary); border-radius:var(--radius-md); padding:var(--space-sm);">
+                    <div style="font-size:0.7rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.04em;">{{ _('invite_uses') }}</div>
+                    <div style="font-weight:700; margin-top:2px;">
+                        {% if inv.unlimited %}{{ inv.used_count }} / ∞{% else %}{{ inv.used_count }} / {{ inv.max_uses }}{% endif %}
+                    </div>
+                </div>
+                <div style="background:var(--bg-primary); border-radius:var(--radius-md); padding:var(--space-sm);">
+                    <div style="font-size:0.7rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.04em;">{{ _('invite_duration_short') }}</div>
+                    <div style="font-weight:700; margin-top:2px;">
+                        {% if inv.duration_days %}{{ inv.duration_days }} {{ _('days_short') }}{% else %}∞{% endif %}
                     </div>
                 </div>
             </div>
-            <div class="client-actions" style="display:flex; gap:var(--space-xs); flex-wrap:wrap;">
-                <button class="btn btn-secondary btn-sm" onclick="copyInviteUrl('{{ inv.token }}')" title="{{ _('copy') }}">📋</button>
+
+            <div style="display:flex; gap:var(--space-xs); flex-wrap:wrap;">
+                <button class="btn btn-primary btn-sm" onclick="copyInviteUrl('{{ inv.token }}')">📋 {{ _('copy') }}</button>
                 <button class="btn btn-secondary btn-sm" onclick="editInvite('{{ inv.id }}')">✏️</button>
                 <button class="btn btn-secondary btn-sm" onclick="toggleInvite('{{ inv.id }}', {{ 'false' if inv.enabled else 'true' }})">
                     {% if inv.enabled %}⏸{% else %}▶️{% endif %}
@@ -64,9 +83,8 @@
     </div>
 </section>
 
-<!-- Create / Edit Modal -->
 <div class="modal-backdrop" id="inviteModal">
-    <div class="modal" style="max-width: 520px;">
+    <div class="modal" style="max-width: 560px;">
         <div class="modal-header">
             <h2 class="modal-title" id="inviteModalTitle">{{ _('invite_create') }}</h2>
             <button class="modal-close" onclick="closeModal('inviteModal')">×</button>
@@ -79,10 +97,17 @@
             <input class="form-input" type="text" id="inviteName" placeholder="Promo / Friends">
         </div>
 
-        <div class="form-group">
-            <label class="form-label">{{ _('invite_max_uses_label') }}</label>
-            <input class="form-input" type="number" id="inviteMaxUses" min="0" value="1">
-            <div class="form-hint">{{ _('invite_max_uses_hint') }}</div>
+        <div style="display:grid; grid-template-columns:1fr 1fr; gap:var(--space-md);">
+            <div class="form-group">
+                <label class="form-label">{{ _('invite_max_uses_label') }}</label>
+                <input class="form-input" type="number" id="inviteMaxUses" min="0" value="1">
+                <div class="form-hint">{{ _('invite_max_uses_hint') }}</div>
+            </div>
+            <div class="form-group">
+                <label class="form-label">{{ _('invite_duration_label') }}</label>
+                <input class="form-input" type="number" id="inviteDurationDays" min="0" value="0">
+                <div class="form-hint">{{ _('invite_duration_hint') }}</div>
+            </div>
         </div>
 
         <div class="form-group">
@@ -114,8 +139,9 @@
         <div class="form-group" id="inviteInboundGroup">
             <label class="form-label">{{ _('xui_inbound_label') }}</label>
             <select class="form-select" id="inviteInboundId">
-                <option value="0">{{ _('xui_inbound_auto') }}</option>
+                <option value="">{{ _('invite_inbound_loading') }}</option>
             </select>
+            <div class="form-hint">{{ _('invite_inbound_hint') }}</div>
         </div>
 
         <div class="form-group">
@@ -126,14 +152,6 @@
             </label>
         </div>
 
-        <div class="form-group">
-            <label class="form-label">{{ _('invite_expires_label') }}</label>
-            <input class="form-input" type="datetime-local" id="inviteExpires">
-            <label style="display:none; align-items:center; gap:var(--space-sm); margin-top:var(--space-xs); cursor:pointer;" id="inviteClearExpWrap">
-                <input type="checkbox" id="inviteClearExpires"> {{ _('invite_clear_expires') }}
-            </label>
-        </div>
-
         <div class="form-group">
             <label class="form-label">{{ _('invite_note_label') }}</label>
             <input class="form-input" type="text" id="inviteNote" placeholder="{{ _('invite_note_placeholder') }}">
@@ -158,6 +176,7 @@
 <script>
     const invitesData = {{ invites | tojson }};
     const xuiConfigured = {{ 'true' if xui_configured else 'false' }};
+    const xuiDefaultInbound = {{ xui_default_inbound | int }};
 
     function inviteUrl(token) {
         return `${window.location.origin}/invite/${token}`;
@@ -171,22 +190,36 @@
     function updateInviteProtoFields() {
         const v = document.getElementById('inviteProtocol').value;
         document.getElementById('inviteInboundGroup').style.display = (v === 'xui') ? '' : 'none';
+        if (v === 'xui') loadInviteInbounds(document.getElementById('inviteInboundId').value || xuiDefaultInbound);
     }
 
     async function loadInviteInbounds(selected) {
         const select = document.getElementById('inviteInboundId');
-        select.innerHTML = `<option value="0">${_('xui_inbound_auto')}</option>`;
-        if (!xuiConfigured) return;
+        select.innerHTML = `<option value="">${_('invite_inbound_loading')}</option>`;
+        if (!xuiConfigured) {
+            select.innerHTML = `<option value="">${_('invite_inbound_need_xui')}</option>`;
+            return;
+        }
         try {
             const data = await apiCall('/api/settings/xui/inbounds');
-            (data.inbounds || []).forEach(ib => {
+            const list = data.inbounds || [];
+            if (!list.length) {
+                select.innerHTML = `<option value="">${_('invite_inbound_empty')}</option>`;
+                return;
+            }
+            select.innerHTML = '';
+            list.forEach((ib, idx) => {
                 const opt = document.createElement('option');
                 opt.value = ib.id;
                 opt.textContent = `${ib.remark || 'VLESS'} (:${ib.port})`;
-                if (selected && String(ib.id) === String(selected)) opt.selected = true;
+                const prefer = selected || xuiDefaultInbound;
+                if (prefer && String(ib.id) === String(prefer)) opt.selected = true;
+                else if (!prefer && idx === 0) opt.selected = true;
                 select.appendChild(opt);
             });
-        } catch (e) { /* ignore */ }
+        } catch (e) {
+            select.innerHTML = `<option value="">${_('error')}: ${e.message}</option>`;
+        }
     }
 
     function parseProtocolValue() {
@@ -201,9 +234,8 @@
 
     function setProtocolSelect(protocol, serverId) {
         const sel = document.getElementById('inviteProtocol');
-        if (protocol === 'xui') {
-            sel.value = 'xui';
-        } else {
+        if (protocol === 'xui') sel.value = 'xui';
+        else {
             const want = `${protocol}|${serverId || 0}`;
             if ([...sel.options].some(o => o.value === want)) sel.value = want;
             else sel.value = 'xui';
@@ -216,15 +248,14 @@
         document.getElementById('inviteModalTitle').textContent = _('invite_create');
         document.getElementById('inviteName').value = '';
         document.getElementById('inviteMaxUses').value = '1';
+        document.getElementById('inviteDurationDays').value = '0';
         document.getElementById('inviteUserId').value = '';
         document.getElementById('invitePassword').value = '';
-        document.getElementById('inviteExpires').value = '';
         document.getElementById('inviteNote').value = '';
         document.getElementById('inviteClearPwdWrap').style.display = 'none';
-        document.getElementById('inviteClearExpWrap').style.display = 'none';
         document.getElementById('inviteResetUsedWrap').style.display = 'none';
         setProtocolSelect('xui', 0);
-        loadInviteInbounds(0);
+        loadInviteInbounds(xuiDefaultInbound);
         openModal('inviteModal');
     }
 
@@ -235,64 +266,47 @@
         document.getElementById('inviteModalTitle').textContent = _('invite_edit');
         document.getElementById('inviteName').value = inv.name || '';
         document.getElementById('inviteMaxUses').value = String(inv.max_uses ?? 1);
+        document.getElementById('inviteDurationDays').value = String(inv.duration_days ?? 0);
         document.getElementById('inviteUserId').value = inv.user_id || '';
         document.getElementById('invitePassword').value = '';
         document.getElementById('inviteNote').value = inv.note || '';
         document.getElementById('inviteClearPwdWrap').style.display = inv.has_password ? 'flex' : 'none';
         document.getElementById('inviteClearPassword').checked = false;
-        document.getElementById('inviteClearExpWrap').style.display = inv.expires_at ? 'flex' : 'none';
-        document.getElementById('inviteClearExpires').checked = false;
         document.getElementById('inviteResetUsedWrap').style.display = 'block';
         document.getElementById('inviteResetUsed').checked = false;
-        if (inv.expires_at) {
-            try {
-                const d = new Date(inv.expires_at);
-                const local = new Date(d.getTime() - d.getTimezoneOffset() * 60000);
-                document.getElementById('inviteExpires').value = local.toISOString().slice(0, 16);
-            } catch (e) {
-                document.getElementById('inviteExpires').value = '';
-            }
-        } else {
-            document.getElementById('inviteExpires').value = '';
-        }
         setProtocolSelect(inv.protocol || 'xui', inv.server_id || 0);
-        loadInviteInbounds(inv.xui_inbound_id || 0);
+        loadInviteInbounds(inv.xui_inbound_id || xuiDefaultInbound);
         openModal('inviteModal');
     }
 
     async function saveInvite() {
         const btn = document.getElementById('inviteSaveBtn');
-        const text = document.getElementById('inviteSaveText');
         const spinner = document.getElementById('inviteSaveSpinner');
         btn.disabled = true;
         spinner.classList.remove('hidden');
         try {
             const editId = document.getElementById('inviteEditId').value;
             const proto = parseProtocolValue();
-            const expiresVal = document.getElementById('inviteExpires').value;
+            const inbound = parseInt(document.getElementById('inviteInboundId').value || '0');
+            if (proto.protocol === 'xui' && !inbound) throw new Error(_('invite_inbound_required'));
+
             const body = {
                 name: document.getElementById('inviteName').value || 'Invite',
                 max_uses: parseInt(document.getElementById('inviteMaxUses').value || '1'),
+                duration_days: parseInt(document.getElementById('inviteDurationDays').value || '0'),
                 user_id: document.getElementById('inviteUserId').value || '',
                 protocol: proto.protocol,
                 server_id: proto.server_id,
-                xui_inbound_id: parseInt(document.getElementById('inviteInboundId').value || '0'),
+                xui_inbound_id: inbound,
                 note: document.getElementById('inviteNote').value || '',
             };
             const pwd = document.getElementById('invitePassword').value;
             if (pwd) body.password = pwd;
-            if (expiresVal) body.expires_at = new Date(expiresVal).toISOString();
-
             if (!body.user_id) throw new Error(_('invite_user_required'));
 
             if (editId) {
                 body.clear_password = document.getElementById('inviteClearPassword').checked;
-                body.clear_expires = document.getElementById('inviteClearExpires').checked;
                 body.reset_used = document.getElementById('inviteResetUsed').checked;
-                if (!expiresVal && !body.clear_expires) {
-                    // keep existing — don't send expires_at
-                    delete body.expires_at;
-                }
                 await apiCall(`/api/invites/${editId}`, 'PUT', body);
                 showToast(_('invite_updated'), 'success');
             } else {
diff --git a/templates/settings.html b/templates/settings.html
index a3e21d4..7cd16fd 100644
--- a/templates/settings.html
+++ b/templates/settings.html
@@ -436,6 +436,12 @@
                             value="{{ settings.sync.xui_url }}" placeholder="https://panel.example.com:2053/path">
                         <div class="form-hint">{{ _('xui_url_hint') }}</div>
                     </div>
+                    <div class="form-group">
+                        <label class="form-label">{{ _('xui_sub_url_label') }}</label>
+                        <input type="url" class="form-input" name="xui_sub_url"
+                            value="{{ settings.sync.xui_sub_url or '' }}" placeholder="https://sub.example.com:2096/sub">
+                        <div class="form-hint">{{ _('xui_sub_url_hint') }}</div>
+                    </div>
                     <div class="form-group">
                         <label class="form-label">{{ _('xui_api_token_label') }}</label>
                         <input type="password" class="form-input" name="xui_api_token"
@@ -1028,7 +1034,8 @@
                 xui_create_conns: syncForm.xui_create_conns.checked,
                 xui_server_id: parseInt(syncForm.xui_server_id.value || '0'),
                 xui_protocol: syncForm.xui_protocol.value,
-                xui_inbound_id: parseInt(syncForm.xui_inbound_id.value || '0')
+                xui_inbound_id: parseInt(syncForm.xui_inbound_id.value || '0'),
+                xui_sub_url: (syncForm.xui_sub_url && syncForm.xui_sub_url.value || '').trim()
             };
             const res = await fetch('/api/settings/xui_sync_now', {
                 method: 'POST',
@@ -1110,7 +1117,8 @@
             xui_create_conns: syncForm.xui_create_conns.checked,
             xui_server_id: parseInt(syncForm.xui_server_id.value || '0'),
             xui_protocol: syncForm.xui_protocol.value,
-            xui_inbound_id: parseInt(syncForm.xui_inbound_id.value || '0')
+            xui_inbound_id: parseInt(syncForm.xui_inbound_id.value || '0'),
+            xui_sub_url: (syncForm.xui_sub_url && syncForm.xui_sub_url.value || '').trim()
         };
 
 
diff --git a/translations/en.json b/translations/en.json
index aca4269..556e0f1 100644
--- a/translations/en.json
+++ b/translations/en.json
@@ -215,6 +215,20 @@
   "invite_user_required": "Select a user to store configs under",
   "invite_password_label": "Password (optional)",
   "invite_expires_label": "Expires at (optional)",
+  "invite_duration_label": "Config lifetime (days)",
+  "invite_duration_hint": "Starts when the user clicks Get config. 0 = no expiry.",
+  "invite_duration_short": "Lifetime",
+  "invite_duration_starts_hint": "After you get a config it will work for {} day(s)",
+  "invite_config_expires_at": "Config valid until: {}",
+  "invite_inbound_hint": "Choose the VLESS inbound once — all configs from this link use it",
+  "invite_inbound_loading": "Loading inbounds…",
+  "invite_inbound_empty": "No VLESS inbounds found",
+  "invite_inbound_need_xui": "Configure 3x-ui in Settings first",
+  "invite_inbound_required": "Select a VLESS inbound",
+  "invite_sub_url_missing_title": "Subscription URL is not set",
+  "invite_sub_url_missing_hint": "In Settings → 3x-ui set Subscription URL base so invite links issue /sub/… configs.",
+  "invite_sub_tab": "Subscription",
+  "days_short": "d",
   "invite_clear_expires": "Remove expiration",
   "invite_note_label": "Note (admin only)",
   "invite_note_placeholder": "Internal comment",
@@ -277,6 +291,8 @@
   "sync_hint": "Users will be created, disabled, and deleted automatically based on Remnawave data",
   "xui_url_label": "3x-ui URL",
   "xui_url_hint": "Include scheme, port and webBasePath if configured (example: https://host:2053/secret)",
+  "xui_sub_url_label": "Subscription URL base",
+  "xui_sub_url_hint": "Public /sub base without trailing slash (example: https://host:2096/sub). Invite configs are issued as subscription links.",
   "xui_api_token_label": "API Token (preferred)",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "If set, username/password login is skipped",
diff --git a/translations/fa.json b/translations/fa.json
index fcb4c67..00a9234 100644
--- a/translations/fa.json
+++ b/translations/fa.json
@@ -213,6 +213,20 @@
   "invite_user_required": "یک کاربر انتخاب کنید",
   "invite_password_label": "رمز عبور (اختیاری)",
   "invite_expires_label": "انقضا (اختیاری)",
+  "invite_duration_label": "مدت کانفیگ (روز)",
+  "invite_duration_hint": "از لحظه کلیک روی دریافت کانفیگ شروع می‌شود. 0 = بدون انقضا.",
+  "invite_duration_short": "مدت",
+  "invite_duration_starts_hint": "پس از دریافت، کانفیگ {} روز معتبر است",
+  "invite_config_expires_at": "اعتبار تا: {}",
+  "invite_inbound_hint": "یک‌بار inbound مورد نیاز VLESS را انتخاب کنید",
+  "invite_inbound_loading": "در حال بارگذاری…",
+  "invite_inbound_empty": "inbound VLESS یافت نشد",
+  "invite_inbound_need_xui": "ابتدا 3x-ui را در تنظیمات پیکربندی کنید",
+  "invite_inbound_required": "یک inbound VLESS انتخاب کنید",
+  "invite_sub_url_missing_title": "آدرس اشتراک تنظیم نشده",
+  "invite_sub_url_missing_hint": "در تنظیمات → 3x-ui پایه /sub را وارد کنید.",
+  "invite_sub_tab": "اشتراک",
+  "days_short": "روز",
   "invite_clear_expires": "حذف تاریخ انقضا",
   "invite_note_label": "یادداشت (فقط ادمین)",
   "invite_note_placeholder": "توضیح داخلی",
@@ -275,6 +289,8 @@
   "sync_hint": "کاربران طبق داده‌های Remnawave به‌طور خودکار مدیریت می‌شوند",
   "xui_url_label": "آدرس 3x-ui",
   "xui_url_hint": "شامل پروتکل، پورت و webBasePath در صورت وجود",
+  "xui_sub_url_label": "آدرس پایه اشتراک",
+  "xui_sub_url_hint": "پایه عمومی /sub بدون اسلش پایانی (مثال: https://host:2096/sub).",
   "xui_api_token_label": "توکن API (ترجیحی)",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "در صورت تنظیم، ورود با نام کاربری/رمز رد می‌شود",
diff --git a/translations/fr.json b/translations/fr.json
index a74e8bb..dfd4ecf 100644
--- a/translations/fr.json
+++ b/translations/fr.json
@@ -213,6 +213,20 @@
   "invite_user_required": "Choisissez un utilisateur",
   "invite_password_label": "Mot de passe (optionnel)",
   "invite_expires_label": "Expiration (optionnel)",
+  "invite_duration_label": "Durée du config (jours)",
+  "invite_duration_hint": "Commence quand l'utilisateur clique Obtenir. 0 = illimité.",
+  "invite_duration_short": "Durée",
+  "invite_duration_starts_hint": "Après obtention, valable {} jour(s)",
+  "invite_config_expires_at": "Valable jusqu'au : {}",
+  "invite_inbound_hint": "Choisissez l'inbound VLESS une fois",
+  "invite_inbound_loading": "Chargement…",
+  "invite_inbound_empty": "Aucun inbound VLESS",
+  "invite_inbound_need_xui": "Configurez 3x-ui d'abord",
+  "invite_inbound_required": "Sélectionnez un inbound VLESS",
+  "invite_sub_url_missing_title": "URL d'abonnement manquante",
+  "invite_sub_url_missing_hint": "Dans Paramètres → 3x-ui, définissez l'URL de base /sub.",
+  "invite_sub_tab": "Abonnement",
+  "days_short": "j",
   "invite_clear_expires": "Retirer l'expiration",
   "invite_note_label": "Note (admin)",
   "invite_note_placeholder": "Commentaire interne",
@@ -275,6 +289,8 @@
   "sync_hint": "Synchro automatique avec Remnawave",
   "xui_url_label": "URL 3x-ui",
   "xui_url_hint": "Inclure le schéma, le port et webBasePath si configuré",
+  "xui_sub_url_label": "URL de base d'abonnement",
+  "xui_sub_url_hint": "Base /sub publique sans slash final (ex: https://host:2096/sub).",
   "xui_api_token_label": "Jeton API (préféré)",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "Si défini, le login/mot de passe est ignoré",
diff --git a/translations/ru.json b/translations/ru.json
index d6a5429..e28d1f5 100644
--- a/translations/ru.json
+++ b/translations/ru.json
@@ -215,6 +215,20 @@
   "invite_user_required": "Выберите пользователя для хранения конфигов",
   "invite_password_label": "Пароль (опционально)",
   "invite_expires_label": "Срок действия (опционально)",
+  "invite_duration_label": "Срок конфига (дни)",
+  "invite_duration_hint": "Отсчёт начинается, когда пользователь нажал «Получить конфиг». 0 = без срока.",
+  "invite_duration_short": "Срок",
+  "invite_duration_starts_hint": "После получения конфиг будет действовать {} дн.",
+  "invite_config_expires_at": "Конфиг действует до: {}",
+  "invite_inbound_hint": "Укажите нужный VLESS inbound один раз — все конфиги с этой ссылки пойдут в него",
+  "invite_inbound_loading": "Загрузка inbound…",
+  "invite_inbound_empty": "VLESS inbound не найдены",
+  "invite_inbound_need_xui": "Сначала настройте 3x-ui в Настройках",
+  "invite_inbound_required": "Выберите VLESS inbound",
+  "invite_sub_url_missing_title": "Не задан URL подписки",
+  "invite_sub_url_missing_hint": "В Настройки → 3x-ui укажите «Базовый URL подписки», чтобы ссылки выдавали /sub/… конфиги.",
+  "invite_sub_tab": "Подписка",
+  "days_short": "дн",
   "invite_clear_expires": "Убрать срок действия",
   "invite_note_label": "Заметка (только админ)",
   "invite_note_placeholder": "Внутренний комментарий",
@@ -277,6 +291,8 @@
   "sync_hint": "Пользователи будут создаваться, отключаться и удаляться автоматически на основе данных из Remnawave",
   "xui_url_label": "URL 3x-ui",
   "xui_url_hint": "Укажите схему, порт и webBasePath при наличии (пример: https://host:2053/secret)",
+  "xui_sub_url_label": "Базовый URL подписки",
+  "xui_sub_url_hint": "Публичный /sub без слэша в конце (пример: https://host:2096/sub). Конфиги по ссылкам выдаются как subscription URL.",
   "xui_api_token_label": "API Token (предпочтительно)",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "Если задан, вход по логину/паролю не используется",
diff --git a/translations/zh.json b/translations/zh.json
index 2ed933e..93f4cd5 100644
--- a/translations/zh.json
+++ b/translations/zh.json
@@ -213,6 +213,20 @@
   "invite_user_required": "请选择用户",
   "invite_password_label": "密码（可选）",
   "invite_expires_label": "过期时间（可选）",
+  "invite_duration_label": "配置有效期（天）",
+  "invite_duration_hint": "从用户点击获取配置时开始计时。0 = 不过期。",
+  "invite_duration_short": "有效期",
+  "invite_duration_starts_hint": "获取后配置将有效 {} 天",
+  "invite_config_expires_at": "配置有效至：{}",
+  "invite_inbound_hint": "一次性选择所需的 VLESS 入站",
+  "invite_inbound_loading": "加载入站中…",
+  "invite_inbound_empty": "未找到 VLESS 入站",
+  "invite_inbound_need_xui": "请先在设置中配置 3x-ui",
+  "invite_inbound_required": "请选择 VLESS 入站",
+  "invite_sub_url_missing_title": "未设置订阅 URL",
+  "invite_sub_url_missing_hint": "在 设置 → 3x-ui 中填写订阅基础 URL，以便发放 /sub/… 配置。",
+  "invite_sub_tab": "订阅",
+  "days_short": "天",
   "invite_clear_expires": "清除过期时间",
   "invite_note_label": "备注（仅管理员）",
   "invite_note_placeholder": "内部备注",
@@ -275,6 +289,8 @@
   "sync_hint": "将根据 Remnawave 数据自动创建、禁用和删除用户",
   "xui_url_label": "3x-ui 地址",
   "xui_url_hint": "包含协议、端口和 webBasePath（如有）",
+  "xui_sub_url_label": "订阅基础 URL",
+  "xui_sub_url_hint": "公共 /sub 基础地址，末尾不要斜杠（如 https://host:2096/sub）。",
   "xui_api_token_label": "API Token（推荐）",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "若已设置，将跳过用户名/密码登录",