我在使用V821+ imx219 ISP标定时，GetExp一直提示获取曝光错误(0x80)，请问这个是什么问题。
tigerISP版本4.3.4 ，板端使用awTuningApp_isp603，TCP/IP协议连接，离线模式标定。
板端日志：
isp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.cisp_dev.c< 382.954538050>sock_handle_tuning_thread: set cfg(isp 0) - group:01, cfgs:00000001, length:20
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_tuning/isp_tuning.c< 383.071374525>sock_handle_tuning_thread: update isp - 0
< 383.671823425>client_handle: starts - 23
< 383.676357300>add_work: create and work at 3078888816
< 383.677531700>do_work_thread: 3078888816 starts
< 383.677705300>sock_handle_preview_thread: starts - 23
< 383.708587850>start_video: vich0 format changes: fmt-842091854, 1280x720 -> fmt-808535874, 1280x720
sunxi:vin:[INFO]: [imx219]sensor_s_stream on = 0, 25921944 3007
sunxi:vin:[INFO]: [imx219]PWR_OFF!
sunxi:vin:[INFO]: video0 close
video.csunxi:vin:[INFO]: video0 open
isp_dev.csunxi:vin:[INFO]: [imx219]PWR_ON!
sunxi:vin:[INFO]: [imx219]find the sony IMX219 ***********
video.csunxi:vin:[INFO]: ve_online close
sunxi:vin:[INFO]: tdm_rx->id: 0, tdm_tx_valid_num = 0, tdm_tx_invalid_num = 0
video.cvideo.cvideo.csunxi:vin:[INFO]: [imx219]sensor_s_stream on = 1, 25921944 3007
sunxi:vin:[INFO]: [imx219]s_fmt set width = 2592, height = 1944
< 383.857893125>start_video: vich0 format - fmt-808535874, 1280x720@20, wdr-0, planes-1[1280, 0, 0]
< 384.882316775>exit_isp_module: ready to exit isp 0
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_manage/isp_helper.cisp_dev.c< 384.891599125>exit_isp_module: exits
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/include/device/../../isp_version.hisp_dev.cisp_dev.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_manage/isp_helper.cisp_ini_parse.cisp_ini_parse.c[ISP]read restrict mark_id is 0x6c00
isp_dev.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp.cisp_dev.c< 385.779716900>sock_handle_tuning_thread: set cfg(isp 0) - group:01, cfgs:00000001, length:20
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_tuning/isp_tuning.c< 385.895838650>sock_handle_tuning_thread: update isp - 0
< 386.928455450>sock_handle_tuning_thread: set cfg(isp 0) - group:01, cfgs:00000001, length:20
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_tuning/isp_tuning.c< 387.054202500>sock_handle_tuning_thread: update isp - 0
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c< 388.119071475>sock_handle_tuning_thread: set cfg(isp 0) - group:01, cfgs:00000001, length:20
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_tuning/isp_tuning.c< 388.238502425>sock_handle_tuning_thread: update isp - 0
/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/home/v821/tina-v821-open/tina-v821/platform/allwinner/vision/libAWIspApi/isp_mpp/isp_v821/libisp/isp_events/events.c/ho