添加新用户失败

[caker1234]

发消息的时候会产生这个错误类型转换异常。产生错误后就会导致服务器崩溃
Exception in thread "Thread-2" java.lang.ClassCastException: class com.chen.a12763.myqq.bean.ChatEntity cannot be cast to class com.chen.a12763.myqq.bean.User (com.chen.a12763.myqq.bean.ChatEntity and com.chen.a12763.myqq.bean.User are in unnamed module of loader 'app')
at com.chen.a12763.myqq.client.ClientActivity.update_info(ClientActivity.java:255)
at com.chen.a12763.myqq.client.ClientListenThread.readMsg(ClientListenThread.java:60)
at com.chen.a12763.myqq.client.ClientListenThread.run(ClientListenThread.java:30)
at java.base/java.lang.Thread.run(Thread.java:834)