Cannot read properties of undefined
<h4>1、 <strong>呼出提示：Cannot read properties of undefined (reading 'enumerateDevices'） </strong></h4>
<pre><code class="language-html">duerwebsdk-1.2.0.js:2 duer-rtc:ERROR:dm enableCamera: +7s TypeError: Cannot read properties of undefined (reading 'enumerateDevices')
at e.&lt;anonymous&gt; (duerwebsdk-1.2.0.js:2:397011)
at d (duerwebsdk-1.2.0.js:2:389027)
at Generator._invoke (duerwebsdk-1.2.0.js:2:388780)
at Generator.next (duerwebsdk-1.2.0.js:2:389390)
at gr (duerwebsdk-1.2.0.js:2:394264)
at s (duerwebsdk-1.2.0.js:2:394468)
at duerwebsdk-1.2.0.js:2:394529
at new Promise (&lt;anonymous&gt;)
at e.&lt;anonymous&gt; (duerwebsdk-1.2.0.js:2:394408)
at e.&lt;anonymous&gt; (duerwebsdk-1.2.0.js:2:397195)</code></pre>
<p><strong><code>解决方案</code></strong></p>
<p>没找到摄像头 MIC，要https的才可以</p>
<h4>2、呼出提示：Cannot read properties of undefined (reading 'send')`</h4>
<p><img src="https://dumi-dueros-bj-tob.cdn.bcebos.com/amis/2023-10/1696820914609/WX20231009-110759%402x.png" alt="" /></p>
<p>长链接没有创建成功或者失效，可以重新连接</p>