问TRTC Web SDK 同一个roomId 可以重复 join 多少次呀？

const client = TRTC.createClient({ mode: 'live', sdkAppId, userId, userSig });
client.join({ roomId: 8888, role: 'anchor' }).then(() => {
  // join room success
}).catch(error => {
  console.error('Join room failed: ' + error);
});