airtest ide 执行可以成功；命令行执行报错

airtest run search.air/search.py --log search.log --device android:///30.103.233.151:24049
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.9/bin/airtest", line 33, in
sys.exit(load_entry_point('airtest==1.1.8', 'console_scripts', 'airtest')())
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/airtest/cli/__main__.py", line 16, in main
run_script(args)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/airtest/cli/runner.py", line 156, in run_script
result = unittest.TextTestRunner(verbosity=0).run(suite)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/unittest/runner.py", line 176, in run
test(result)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/unittest/suite.py", line 84, in __call__
return self.run(*args, **kwds)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/unittest/suite.py", line 122, in run
test(result)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/unittest/case.py", line 653, in __call__
return self.run(*args, **kwds)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/unittest/case.py", line 568, in run
testMethod = getattr(self, self._testMethodName)
AttributeError: 'AirtestCase' object has no attribute 'runTest'