fix:【MainActivity】自动登录逻辑调整：去掉每次获取ticket的动作（接口并发大概率造成401现象）；和后台沟通：现阶段不需要每次刷新即可

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

@@ -219,20 +219,9 @@ public class AuthModel extends BaseModel implements IAuthModel {
         if (currentAccountInfo == null || TextUtils.isEmpty(currentAccountInfo.getAccess_token())) {
             return Single.error(new Throwable(""));//没有账号信息
         }
-        return requestTicket().flatMap(ticketResult -> {
+        return imLogin(currentAccountInfo)
-                    if (!ticketResult.isSuccess()) {
-                        return Single.error(new Throwable(ticketResult.getMessage()));
-                    }
-                    ticketInfo = ticketResult.getData();
-                    DemoCache.saveTicketInfo(ticketInfo);
-                    return Single.just(ResUtil.getString(R.string.xchat_android_core_auth_authmodel_01));
-                })
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .flatMap((Function<String, SingleSource<String>>) s -> {
-                    Log.i("IMLogin", "apply");
-                    return imLogin(currentAccountInfo);
-                })
                 .doOnSuccess(s -> {
                     EventBus.getDefault().post(new LoginEvent());
                 });