请问关于trax数组转换问题，为什么mask值使用trax转换后变成了全0的numpy数组

[kelesyhund]

@@Trax:initialize "file:///hy-tmp/ROMTrack-master/external/vot2020/ROMTrack/sequences/afterrain/ir/00001i.jpg" "mask:147,171,24,45"
@@Trax:state "mask:147,171,24,45"
@@Trax:frame "file:///hy-tmp/ROMTrack-master/external/vot2020/ROMTrack/sequences/afterrain/ir/00002i.jpg"
Initial mask: [[0 0 0 ... 0 0 0]
[0 0 0 ... 0 0 0]
[0 0 0 ... 0 0 0]
...
[0 0 0 ... 0 0 0]
[0 0 0 ... 0 0 0]
[0 0 0 ... 0 0 0]]
Traceback (most recent call last):
File "/usr/local/miniconda3/envs/vot_py38/lib/python3.8/runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/local/miniconda3/envs/vot_py38/lib/python3.8/runpy.py", line 87, in run_code
exec(code, run_globals)
File "/hy-tmp/ROMTrack-master/lib/test/vot20/ROMTrack.py", line 15, in
run_vot_exp('ROMTrack', 'vitb_refocus_stage2', vis=False, tracker_params=tracker_params)
File "/hy-tmp/ROMTrack-master/lib/test/vot20/ROMTrack_vot20.py", line 70, in run_vot_exp
tracker.initialize(image, mask)
File "/hy-tmp/ROMTrack-master/lib/test/vot20/ROMTrack_vot20.py", line 31, in initialize
region = rect_from_mask(mask)
File "/hy-tmp/ROMTrack-master/lib/test/vot20/vot20_utils.py", line 32, in rect_from_mask
x0 = np.min(np.nonzero(x))
File "<array_function internals>", line 200, in amin
File "/usr/local/miniconda3/envs/vot_py38/lib/python3.8/site-packages/numpy/core/fromnumeric.py", line 2946, in amin
return _wrapreduction(a, np.minimum, 'min', axis, None, out,
File "/usr/local/miniconda3/envs/vot_py38/lib/python3.8/site-packages/numpy/core/fromnumeric.py", line 86, in _wrapreduction
return ufunc.reduce(obj, axis, dtype, out, **passkwargs)
ValueError: zero-size array to reduction operation minimum which has no identity
@@Trax:quit