Lutkin Wang

Per the [documentation](https://docs.agora.io/en/Interactive%20Broadcast/API%20Reference/cpp/classagora_1_1rtc_1_1_i_rtc_engine_event_handler.html?platform=Windows#aa3c5bcfd0f1c4c136b064c3a6feed3f1), when you call [startScreenCaptureByDisplayId](https://docs.agora.io/en/Interactive%20Broadcast/API%20Reference/cpp/classagora_1_1rtc_1_1_i_rtc_engine.html#a4fe820ff5b886636494404fc7ed4ee0d) or [startScreenCaptureByScreenRect](https://docs.agora.io/en/Interactive%20Broadcast/API%20Reference/cpp/classagora_1_1rtc_1_1_i_rtc_engine.html#a41893fe9a0ca49c054bf6dbd7d9d68f5) to start screen sharing and use the `excludeWindowList` attribute to block the specified window, the SDK triggers this callback if the...

このオンラインデモ[Basic Video Calling](https://webdemo.agora.io/basicVideoCall/index.html)ですか？ ブラウザのコンソールログを見せてくれませんか？

Also, the markdown files in the **Docs** folder are out of date and can just be removed. Otherwise, they might be misleading.

@zhangtao1104 @sbd021 Do we have a solution for that?

See the doc: https://docs.agora.io/en/AgoraPlatform/get_appid_token?platform=AllPlatforms#generate-an-rtm-token

As you can see: ```java /** * API CALL: login RTM server */ private void doLogin() { mIsInChat = true; mRtmClient.login(null, mUserId, new ResultCallback() { @Override public void onSuccess(Void responseInfo)...

That's the tricky part. UserA and UserB have different tokens. https://docs.agora.io/en/AgoraPlatform/get_appid_token?platform=AllPlatforms 

Please refer to the official docs: https://docs.agora.io/en/Real-time-Messaging/rtm_android_run?platform=Android

This problem occurs in RTM 1.4.0 and 1.4.1 SDK and will be fixed in 1.4.2.

This fixes: https://github.com/AgoraIO/RTM/issues/120