问第一次请求直播画面 GetEndpointById 报错？

第一次进入直播画面报错如下:第二次请求直播画面,可以正常获取直播画面2016/04/27 032822.718 | E | Thread:16301 | SDKJNI | av_context_android.cpp516cent_av_sdk_AVContext_getRoom | AVContext_getRoom. javaObj = 0x4b3000192016/04/27 032822.718 | I | Thread:16301 | Client | av_room_multi_impl.cpp688GetRoomInfo | GetRoomInfo. room_type = 2, relation_id = 10001, room_id = 721740, audio_category = 1, av_control_role = .2016/04/27 032822.720 | E | Thread:16301 | SDKJNI | av_context_android.cpp516cent_av_sdk_AVContext_getRoom | AVContext_getRoom. javaObj = 0x4b4000192016/04/27 032822.720 | I | Thread:16301 | Client | av_room_multi_impl.cpp688GetRoomInfo | GetRoomInfo. room_type = 2, relation_id = 10001, room_id = 721740, audio_category = 1, av_control_role = .2016/04/27 032822.722 | E | Thread:16301 | SDKJNI | AVRoomMultiJni.cpp138k_AVRoomMulti_getEndpointById | AVRoomMulti_getEndpointById. javaObj = 0x4b500019.2016/04/27 032822.722 | I | Thread:16301 | Client | av_room_multi_impl.cpp764GetEndpointById | ERROR. GetEndpointById failed. identifier = 10001.2016/04/27 032822.724 | E | Thread:16301 | SDKJNI | AVRoomMultiJni.cpp177k_AVRoomMulti_getEndpointById | ERROR!!! failed to get user.2016/04/27 032822.762 | E | Thread:16301 | SDKJNI | av_context_android.cpp516cent_av_sdk_AVContext_getRoom | AVContext_getRoom. javaObj = 0x4fd000192016/04/27 032822.763 | I | Thread:16301 | Client | av_room_multi_impl.cpp688GetRoomInfo | GetRoomInfo. room_type = 2, relation_id = 10001, room_id = 721740, audio_category = 1, av_control_role = .