Deepstream-app: error while loading shared libraries: libnvinfer.so.7: cannot open shared object file: No such file or directory

你好,我的设备是xavier,

root@nvidia-desktop:/opt/nvidia/deepstream/deepstream-5.0/samples/configs/deepstream-app# deepstream-app -c source30_1080p_dec_infer-resnet_tiled_display_int8.txt
deepstream-app: error while loading shared libraries: libnvinfer.so.7: cannot open shared object file: No such file or directory

这是什么原因,希望能帮我解惑,谢谢!