diff --git a/it0-web-admin/src/app/(admin)/my-org/page.tsx b/it0-web-admin/src/app/(admin)/my-org/page.tsx
index d667c37..a6fc0ff 100644
--- a/it0-web-admin/src/app/(admin)/my-org/page.tsx
+++ b/it0-web-admin/src/app/(admin)/my-org/page.tsx
@@ -41,7 +41,8 @@ const ROLE_LABELS: Record<string, string> = {
 
 export default function MyOrgPage() {
   const queryClient = useQueryClient();
-  const [inviteEmail, setInviteEmail] = useState('');
+  const [inviteMethod, setInviteMethod] = useState<'email' | 'phone'>('email');
+  const [inviteContact, setInviteContact] = useState('');
   const [inviteRole, setInviteRole] = useState('viewer');
   const [inviteLink, setInviteLink] = useState<string | null>(null);
   const [linkCopied, setLinkCopied] = useState(false);
@@ -66,13 +67,13 @@ export default function MyOrgPage() {
   }, []);
 
   const inviteMutation = useMutation({
-    mutationFn: (body: { email: string; role: string }) =>
+    mutationFn: (body: { email?: string; phone?: string; role: string }) =>
       apiClient<Invite>('/api/v1/auth/my-org/invite', { method: 'POST', body }),
     onSuccess: (invite) => {
       queryClient.invalidateQueries({ queryKey: ['my-org', 'invites'] });
       const link = `${window.location.origin}/invite/${invite.token}`;
       setInviteLink(link);
-      setInviteEmail('');
+      setInviteContact('');
       setInviteError(null);
     },
     onError: (err: Error) => {
@@ -81,8 +82,11 @@ export default function MyOrgPage() {
   });
 
   const handleInvite = () => {
-    if (!inviteEmail.trim()) { setInviteError('请填写邮箱'); return; }
-    inviteMutation.mutate({ email: inviteEmail.trim(), role: inviteRole });
+    if (!inviteContact.trim()) { setInviteError(inviteMethod === 'email' ? '请填写邮箱' : '请填写手机号'); return; }
+    const body = inviteMethod === 'email'
+      ? { email: inviteContact.trim(), role: inviteRole }
+      : { phone: inviteContact.trim(), role: inviteRole };
+    inviteMutation.mutate(body);
   };
 
   const copyLink = () => {
@@ -162,12 +166,25 @@ export default function MyOrgPage() {
       {/* Invite form */}
       <div className="border rounded-lg p-5 space-y-4 bg-card">
         <h2 className="text-base font-semibold">邀请成员</h2>
+        {/* Email / Phone toggle */}
+        <div className="flex rounded-md border overflow-hidden w-fit">
+          <button
+            type="button"
+            onClick={() => { setInviteMethod('email'); setInviteContact(''); }}
+            className={`px-4 py-1.5 text-xs font-medium transition-colors ${inviteMethod === 'email' ? 'bg-primary text-primary-foreground' : 'text-muted-foreground hover:text-foreground'}`}
+          >邮箱邀请</button>
+          <button
+            type="button"
+            onClick={() => { setInviteMethod('phone'); setInviteContact(''); }}
+            className={`px-4 py-1.5 text-xs font-medium transition-colors ${inviteMethod === 'phone' ? 'bg-primary text-primary-foreground' : 'text-muted-foreground hover:text-foreground'}`}
+          >手机邀请</button>
+        </div>
         <div className="flex gap-3">
           <input
-            type="email"
-            value={inviteEmail}
-            onChange={(e) => setInviteEmail(e.target.value)}
-            placeholder="输入邮箱地址"
+            type={inviteMethod === 'email' ? 'email' : 'tel'}
+            value={inviteContact}
+            onChange={(e) => setInviteContact(e.target.value)}
+            placeholder={inviteMethod === 'email' ? '输入邮箱地址' : '输入手机号'}
             className="flex-1 px-3 py-2 bg-input border rounded-md text-sm"
           />
           <select
@@ -210,7 +227,7 @@ export default function MyOrgPage() {
           <table className="w-full text-sm">
             <thead>
               <tr className="border-b bg-muted/20">
-                <th className="text-left px-4 py-2 font-medium">邮箱</th>
+                <th className="text-left px-4 py-2 font-medium">邮箱 / 手机</th>
                 <th className="text-left px-4 py-2 font-medium">角色</th>
                 <th className="text-left px-4 py-2 font-medium">过期时间</th>
               </tr>
@@ -218,7 +235,7 @@ export default function MyOrgPage() {
             <tbody>
               {pendingInvites.map((inv) => (
                 <tr key={inv.id} className="border-b last:border-b-0">
-                  <td className="px-4 py-2">{inv.email}</td>
+                  <td className="px-4 py-2">{(inv as any).phone || inv.email}</td>
                   <td className="px-4 py-2">{ROLE_LABELS[inv.role] ?? inv.role}</td>
                   <td className="px-4 py-2 text-muted-foreground text-xs">
                     {new Date(inv.expiresAt).toLocaleDateString('zh-CN')}
diff --git a/it0-web-admin/src/app/(auth)/invite/[token]/page.tsx b/it0-web-admin/src/app/(auth)/invite/[token]/page.tsx
index 7479acb..7dab4c1 100644
--- a/it0-web-admin/src/app/(auth)/invite/[token]/page.tsx
+++ b/it0-web-admin/src/app/(auth)/invite/[token]/page.tsx
@@ -7,7 +7,8 @@ import { useTranslation } from 'react-i18next';
 import { apiClient } from '@/infrastructure/api/api-client';
 
 interface InviteInfo {
-  email: string;
+  email: string | null;
+  phone: string | null;
   tenantName: string;
   role: string;
   expiresAt: string;
@@ -122,8 +123,8 @@ export default function AcceptInvitePage() {
           <span className="font-medium">{invite?.tenantName}</span>
         </p>
         <p>
-          <span className="text-muted-foreground">{t('inviteEmail')}</span>{' '}
-          <span className="font-medium">{invite?.email}</span>
+          <span className="text-muted-foreground">{invite?.phone ? '手机：' : t('inviteEmail')}</span>{' '}
+          <span className="font-medium">{invite?.phone || invite?.email}</span>
         </p>
         <p>
           <span className="text-muted-foreground">{t('inviteRole')}</span>{' '}
diff --git a/packages/services/auth-service/src/application/services/auth.service.ts b/packages/services/auth-service/src/application/services/auth.service.ts
index 00670cb..797f349 100644
--- a/packages/services/auth-service/src/application/services/auth.service.ts
+++ b/packages/services/auth-service/src/application/services/auth.service.ts
@@ -18,6 +18,7 @@ import { TenantProvisioningService } from '@it0/database';
 import { UserRepository } from '../../infrastructure/repositories/user.repository';
 import { ApiKeyRepository } from '../../infrastructure/repositories/api-key.repository';
 import { EmailService } from '../../infrastructure/email/email.service';
+import { SmsService } from '../../infrastructure/sms/sms.service';
 import { User } from '../../domain/entities/user.entity';
 import { ApiKey } from '../../domain/entities/api-key.entity';
 import { Tenant } from '../../domain/entities/tenant.entity';
@@ -42,6 +43,7 @@ export class AuthService {
     private readonly tenantProvisioningService: TenantProvisioningService,
     private readonly dataSource: DataSource,
     private readonly emailService: EmailService,
+    private readonly smsService: SmsService,
   ) {
     this.refreshSecret =
       this.configService.get<string>('JWT_REFRESH_SECRET') ||
@@ -393,15 +395,16 @@ export class AuthService {
 
   async createInvite(
     tenantId: string,
-    email: string,
+    contact: string,      // email or phone
     role: string,
     invitedBy: string,
+    appBaseUrl?: string,
   ): Promise<TenantInvite> {
-    // Check tenant exists — tenantId here is the slug (matches user.tenantId in JWT)
+    const isPhone = /^[+\d][\d\s\-().]{6,}$/.test(contact) && !contact.includes('@');
+
+    // Check tenant exists
     const tenant = await this.tenantRepository.findOneBy({ slug: tenantId });
-    if (!tenant) {
-      throw new NotFoundException('Tenant not found');
-    }
+    if (!tenant) throw new NotFoundException('Tenant not found');
 
     // Check user quota
     if (tenant.maxUsers !== -1) {
@@ -418,34 +421,48 @@ export class AuthService {
       }
     }
 
-    // Check for existing pending invite
-    const existing = await this.inviteRepository.findOne({
-      where: { tenantId, email, status: 'pending' as const },
-    });
+    // Check for existing pending invite (by email or phone)
+    const whereClause = isPhone
+      ? { tenantId, phone: contact, status: 'pending' as const }
+      : { tenantId, email: contact, status: 'pending' as const };
+    const existing = await this.inviteRepository.findOne({ where: whereClause });
     if (existing) {
-      throw new ConflictException('An invitation has already been sent to this email');
+      throw new ConflictException(`An invitation has already been sent to ${isPhone ? 'this phone' : 'this email'}`);
     }
 
     const invite = this.inviteRepository.create({
       id: crypto.randomUUID(),
       tenantId,
-      email,
+      email: isPhone ? null : contact,
+      phone: isPhone ? contact : null,
       token: crypto.randomBytes(32).toString('hex'),
       role: role || RoleType.VIEWER,
       status: 'pending',
-      expiresAt: new Date(Date.now() + 7 * 24 * 60 * 60 * 1000), // 7 days
+      expiresAt: new Date(Date.now() + 7 * 24 * 60 * 60 * 1000),
       invitedBy,
     });
 
     const saved = await this.inviteRepository.save(invite);
+    const baseUrl = appBaseUrl || process.env.APP_BASE_URL || 'https://it0.szaiai.com';
+    const inviteUrl = `${baseUrl}/invite/${saved.token}`;
 
-    // 发送邀请通知（fire-and-forget，不阻塞响应）
-    this.emailService.sendInviteEmail({
-      to: email,
-      tenantName: tenant.name,
-      role: saved.role,
-      token: saved.token,
-    }).catch((err) => this.logger.error(`邀请邮件发送失败: ${err.message}`));
+    if (isPhone) {
+      // 发短信
+      this.smsService.sendInviteSms({
+        phoneNumber: contact,
+        tenantName: tenant.name,
+        role: saved.role,
+        inviteUrl,
+      }).catch((err) => this.logger.error(`邀请短信发送失败: ${err.message}`));
+    } else {
+      // 发邮件
+      this.emailService.sendInviteEmail({
+        to: contact,
+        tenantName: tenant.name,
+        role: saved.role,
+        token: saved.token,
+      }).catch((err) => this.logger.error(`邀请邮件发送失败: ${err.message}`));
+    }
 
     return saved;
   }
@@ -469,18 +486,15 @@ export class AuthService {
   }
 
   async validateInvite(token: string): Promise<{
-    email: string;
+    email: string | null;
+    phone: string | null;
     tenantName: string;
     role: string;
     expiresAt: string;
   }> {
     const invite = await this.inviteRepository.findOneBy({ token });
-    if (!invite) {
-      throw new NotFoundException('Invalid invitation link');
-    }
-    if (invite.status !== 'pending') {
-      throw new BadRequestException(`Invitation has been ${invite.status}`);
-    }
+    if (!invite) throw new NotFoundException('Invalid invitation link');
+    if (invite.status !== 'pending') throw new BadRequestException(`Invitation has been ${invite.status}`);
     if (new Date() > invite.expiresAt) {
       invite.status = 'expired';
       await this.inviteRepository.save(invite);
@@ -490,6 +504,7 @@ export class AuthService {
     const tenant = await this.tenantRepository.findOneBy({ slug: invite.tenantId });
     return {
       email: invite.email,
+      phone: invite.phone,
       tenantName: tenant?.name || 'Unknown',
       role: invite.role,
       expiresAt: invite.expiresAt.toISOString(),
@@ -503,7 +518,7 @@ export class AuthService {
   ): Promise<{
     accessToken: string;
     refreshToken: string;
-    user: { id: string; email: string; name: string; roles: string[]; tenantId: string };
+    user: { id: string; email?: string; phone?: string; name: string; roles: string[]; tenantId: string };
   }> {
     const invite = await this.inviteRepository.findOneBy({ token });
     if (!invite || invite.status !== 'pending') {
@@ -521,38 +536,38 @@ export class AuthService {
       throw new BadRequestException('Tenant is not active');
     }
 
+    const contact = invite.email || invite.phone;
+    const isPhoneInvite = !invite.email && !!invite.phone;
     const passwordHash = await bcrypt.hash(password, 12);
     const userId = crypto.randomUUID();
     const now = new Date();
     const schemaName = `it0_t_${tenant.slug}`;
 
-    // Insert user into the tenant's schema
     const qr = this.dataSource.createQueryRunner();
     await qr.connect();
     try {
       await qr.startTransaction();
-      // Check if email already exists in public.users (cross-tenant uniqueness)
-      const existingPublic = await qr.query(
-        `SELECT id FROM public.users WHERE email = $1 LIMIT 1`,
-        [invite.email],
-      );
+      // Check uniqueness in public.users
+      const existingPublic = isPhoneInvite
+        ? await qr.query(`SELECT id FROM public.users WHERE phone = $1 LIMIT 1`, [invite.phone])
+        : await qr.query(`SELECT id FROM public.users WHERE email = $1 LIMIT 1`, [invite.email]);
       if (existingPublic.length > 0) {
-        throw new ConflictException('Email already registered');
+        throw new ConflictException(isPhoneInvite ? 'Phone already registered' : 'Email already registered');
       }
 
-      // a. Insert into public.users — enables login via email lookup
+      // a. Insert into public.users
       await qr.query(
-        `INSERT INTO public.users (id, tenant_id, email, password_hash, name, roles, is_active, created_at, updated_at)
-         VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
-        [userId, tenant.slug, invite.email, passwordHash, name, [invite.role], true, now, now],
+        `INSERT INTO public.users (id, tenant_id, email, phone, password_hash, name, roles, is_active, created_at, updated_at)
+         VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`,
+        [userId, tenant.slug, invite.email ?? null, invite.phone ?? null, passwordHash, name, [invite.role], true, now, now],
       );
 
-      // b. Insert into tenant schema for tenant-context management
+      // b. Insert into tenant schema
       await qr.query(`SET LOCAL search_path TO "${schemaName}", public`);
       await qr.query(
-        `INSERT INTO users (id, tenant_id, email, password_hash, name, roles, is_active, created_at, updated_at)
-         VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
-        [userId, tenant.slug, invite.email, passwordHash, name, [invite.role], true, now, now],
+        `INSERT INTO users (id, tenant_id, email, phone, password_hash, name, roles, is_active, created_at, updated_at)
+         VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`,
+        [userId, tenant.slug, invite.email ?? null, invite.phone ?? null, passwordHash, name, [invite.role], true, now, now],
       );
       await qr.commitTransaction();
     } catch (err) {
@@ -570,7 +585,8 @@ export class AuthService {
     const user = new User();
     user.id = userId;
     user.tenantId = tenant.slug;
-    user.email = invite.email;
+    user.email = invite.email ?? undefined;
+    user.phone = invite.phone ?? undefined;
     user.passwordHash = passwordHash;
     user.name = name;
     user.roles = [invite.role];
@@ -582,6 +598,7 @@ export class AuthService {
       user: {
         id: user.id,
         email: user.email,
+        phone: user.phone,
         name: user.name,
         roles: user.roles,
         tenantId: user.tenantId,
diff --git a/packages/services/auth-service/src/domain/entities/tenant-invite.entity.ts b/packages/services/auth-service/src/domain/entities/tenant-invite.entity.ts
index f880dd5..1018839 100644
--- a/packages/services/auth-service/src/domain/entities/tenant-invite.entity.ts
+++ b/packages/services/auth-service/src/domain/entities/tenant-invite.entity.ts
@@ -8,8 +8,11 @@ export class TenantInvite {
   @Column({ type: 'varchar', length: 255 })
   tenantId!: string;
 
-  @Column({ type: 'varchar', length: 255 })
-  email!: string;
+  @Column({ type: 'varchar', length: 255, nullable: true })
+  email!: string | null;
+
+  @Column({ type: 'varchar', length: 50, nullable: true })
+  phone!: string | null;
 
   @Column({ type: 'varchar', length: 255, unique: true })
   token!: string;
diff --git a/packages/services/auth-service/src/infrastructure/sms/sms.service.ts b/packages/services/auth-service/src/infrastructure/sms/sms.service.ts
index 3d157d7..759687f 100644
--- a/packages/services/auth-service/src/infrastructure/sms/sms.service.ts
+++ b/packages/services/auth-service/src/infrastructure/sms/sms.service.ts
@@ -48,6 +48,60 @@ export class SmsService implements OnModuleInit {
     }
   }
 
+  async sendInviteSms(params: {
+    phoneNumber: string;
+    tenantName: string;
+    role: string;
+    inviteUrl: string;
+  }): Promise<SmsSendResult> {
+    const { phoneNumber, tenantName, role, inviteUrl } = params;
+    const normalized = this.normalizePhone(phoneNumber);
+    const templateCode = this.configService.get('ALIYUN_SMS_INVITE_TEMPLATE_CODE', '');
+
+    const roleLabel: Record<string, string> = {
+      admin: '管理员', operator: '操作员', viewer: '只读成员',
+    };
+
+    this.logger.log(`[SMS] 发送邀请短信到 ${this.maskPhone(normalized)}`);
+
+    if (!this.enabled || !this.client || !templateCode) {
+      this.logger.warn(`[SMS 模拟] 邀请短信 → ${this.maskPhone(normalized)} | 链接: ${inviteUrl}`);
+      return { success: true, code: 'OK', message: '模拟发送成功' };
+    }
+
+    try {
+      const req = new $Dysmsapi20170525.SendSmsRequest({
+        phoneNumbers: normalized,
+        signName: this.signName,
+        templateCode,
+        templateParam: JSON.stringify({
+          company: tenantName,
+          role: roleLabel[role] || role,
+          url: inviteUrl,
+        }),
+      });
+      const runtime = new $Util.RuntimeOptions({ connectTimeout: 15000, readTimeout: 15000 });
+      const resp = await this.client.sendSmsWithOptions(req, runtime);
+      const body = resp.body;
+      const result: SmsSendResult = {
+        success: body?.code === 'OK',
+        requestId: body?.requestId,
+        bizId: body?.bizId,
+        code: body?.code,
+        message: body?.message,
+      };
+      if (result.success) {
+        this.logger.log(`[SMS] 邀请短信发送成功: requestId=${result.requestId}`);
+      } else {
+        this.logger.error(`[SMS] 邀请短信发送失败: code=${result.code}, msg=${result.message}`);
+      }
+      return result;
+    } catch (error: any) {
+      this.logger.error(`[SMS] 邀请短信异常: ${error.message}`);
+      return { success: false, code: error.code || 'UNKNOWN_ERROR', message: error.message };
+    }
+  }
+
   async sendVerificationCode(phoneNumber: string, code: string): Promise<SmsSendResult> {
     const normalized = this.normalizePhone(phoneNumber);
     this.logger.log(`[SMS] 发送验证码到 ${this.maskPhone(normalized)}`);
diff --git a/packages/services/auth-service/src/interfaces/rest/controllers/auth.controller.ts b/packages/services/auth-service/src/interfaces/rest/controllers/auth.controller.ts
index 6f143a0..988dbf2 100644
--- a/packages/services/auth-service/src/interfaces/rest/controllers/auth.controller.ts
+++ b/packages/services/auth-service/src/interfaces/rest/controllers/auth.controller.ts
@@ -144,11 +144,13 @@ export class AuthController {
   @UseGuards(AuthGuard('jwt'))
   async createMyOrgInvite(
     @Request() req: any,
-    @Body() body: { email: string; role?: string },
+    @Body() body: { email?: string; phone?: string; role?: string },
   ) {
     const slug = req.user?.tenantId;
     const userId = req.user?.sub || req.user?.id;
     if (!slug) throw new UnauthorizedException('No tenant context');
-    return this.authService.createInvite(slug, body.email, body.role || 'viewer', userId);
+    const contact = body.email || body.phone;
+    if (!contact) throw new BadRequestException('email or phone is required');
+    return this.authService.createInvite(slug, contact, body.role || 'viewer', userId);
   }
 }