Traceback (most recent call last):
  File "/home/why/PycharmProjects/1/education/5/main.py", line 3, in <module>
    model = mp.load_model_from_path('ur5.xml')
  File "cymj.pyx", line 175, in mujoco_py.cymj.load_model_from_path
Exception: Failed to load XML file: ur5.xml. mj_loadXML error: b"Error: STL file './ur5/collision/base.stl' has wrong size; perhaps this is an ASCII file?\nObject name = base, id = 0, line = 5, column = 9"

请问这是什么问题？研究了一天o(╥﹏╥)o