突然出现这个提示

D:\Users\Admin\anaconda3\envs\python310-pyqt5\python.exe E:\hems\main.py
Traceback (most recent call last):
File "E:\hems\main.py", line 11, in
import model
File "E:\hems\model.py", line 12, in
from OCC.Extend.DataExchange import read_iges_file,read_step_file,
File "D:\Users\Admin\anaconda3\envs\python310-pyqt5\lib\site-packages\OCC\Extend\DataExchange.py", line 41, in
from OCC.Core.XCAFDoc import (
File "D:\Users\Admin\anaconda3\envs\python310-pyqt5\lib\site-packages\OCC\Core\XCAFDoc.py", line 18, in
from . import _XCAFDoc
ImportError: DLL load failed while importing _XCAFDoc: 找不到指定的程序。