[BugFix]修复注册页面随机昵称有时不显示的bug

core/src/main/java/com/yizhuan/xchat_android_core/auth/AuthModel.java

@@ -640,7 +640,7 @@ public class AuthModel extends BaseModel implements IAuthModel {
     public void reset() {
         currentAccountInfo = new AccountInfo();
         ticketInfo = new TicketInfo();
-        thirdUserInfo = new ThirdUserInfo();
+        thirdUserInfo = null;
         DemoCache.saveCurrentAccountInfo(new AccountInfo());
         DemoCache.saveTicketInfo(new TicketInfo());
         DemoCache.saveBoundAuthCode(false);