Android多人会议问题

java.lang.UnsatisfiedLinkError: Native method not found: com.hyphenate.chat.adapter.EMACallManager.nativeRequestMediaFromServer:(ILjava/lang/String;Lcom/hyphenate/chat/adapter/EMAError;)Ljava/lang/String;
        at com.hyphenate.chat.adapter.EMACallManager.nativeRequestMediaFromServer(Native Method)
        at com.hyphenate.chat.adapter.EMACallManager.requestMediaFromServer(Unknown Source)
        at com.hyphenate.chat.EMConferenceManager$3.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
        at java.lang.Thread.run(Thread.java:841)
群聊发起多人会议失败