求助，我家云OMV的webui报错

zhefui9

用自带的docker-ui搜索镜像的时候报错。

这是报错的详情

错误 #0:
OMV\ExecException: Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; docker pull 'openwrt:latest'' with exit code '1':  in /usr/share/openmediavault/engined/rpc/docker.inc:250
Stack trace:
#0 /usr/share/php/openmediavault/rpc/serviceabstract.inc(565): OMVRpcServiceDocker->{closure}('/tmp/bgstatusuG...', '/tmp/bgoutput3t...')
#1 /usr/share/openmediavault/engined/rpc/docker.inc(254): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))
#2 [internal function]: OMVRpcServiceDocker->pullImage(Array, Array)
#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#4 /usr/share/php/openmediavault/rpc/rpc.inc(86): OMV\Rpc\ServiceAbstract->callMethod('pullImage', Array, Array)
#5 /usr/sbin/omv-engined(537): OMV\Rpc\Rpc::call('Docker', 'pullImage', Array, Array, 1)
#6 {main}



求求大佬们给教教吧