How to disable remeber_token when user close the browse in laravel 5
<p>When I use laravel 5 <code>Auth</code></p>

<pre><code>if (Auth::attempt($auth,true)) {
        // Check pass...
}
</code></pre>

<p>to login ,database will keep the <strong>remeber_token</strong> untill I do 
<code>Auth::logout()</code> ,</p>

<p>1.how to clean the remeber_token when I close the browse? 
<br>
2.how to set the remeber_token alive time?
<br>
Thanks.</p>