运行Python脚本报INSTALL_PARSE_FAILED_NO_CERTIFICATES错误，找不到具体的错误原因

Flanders

Appuim日志：
Python 3.8.1 (tags/v3.8.1:1b293b6, Dec 18 2019, 23:11:46) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license()" for more information.
>>>
============ RESTART: D:\works\Test_project\Test_Scripts\case000.py ============
Traceback (most recent call last):
  File "D:\works\Test_project\Test_Scripts\case000.py", line 15, in <module>
    driver = webdriver.Remote('http://localhost:4723/wd/hub',desired_caps)
  File "D:\Python381\lib\site-packages\appium\webdriver\webdriver.py", line 151, in __init__
    super().__init__(
  File "D:\Python381\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 157, in __init__
    self.start_session(capabilities, browser_profile)
  File "D:\Python381\lib\site-packages\appium\webdriver\webdriver.py", line 225, in start_session
    response = self.execute(RemoteCommand.NEW_SESSION, parameters)
  File "D:\Python381\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "D:\Python381\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: An unknown server-side error occurred while processing the command. Original error: pkg: /data/local/tmp/appium_cache/7280876e456c1bb793964772b5bcb2ac96ecfcc4.apk


Failure [INSTALL_PARSE_FAILED_NO_CERTIFICATES]