IOS真机上poco使用set_text()不能输入是什么原因，用text可以

IOS 11.2.5
poco使用set_text()不能输入是什么原因，用text可以
`def login():
print("账号登录")
# 点击账号登录
poco("login_account").click()
poco("login_account_account_input", type="TextField").click()
sleep(1.0)
#poco("login_account_account_input", type="TextField").set_text("1650@qq.com")
text("1650@qq.com")

sleep(1.0)
poco("login_account_password_input").click()
sleep(1.0)
poco("login_account_password_input").set_text("123456")
sleep(1.0)
poco("login_account_login").click()`

Traceback (most recent call last):
File "/Users/shimo/PycharmProjects/lovetest/test/airioscase.py", line 50, in
check_canceBtn()
File "/Users/shimo/PycharmProjects/lovetest/test/airioscase.py", line 47, in check_canceBtn
login()
File "/Users/shimo/PycharmProjects/lovetest/test/airioscase.py", line 35, in login
poco("login_account_password_input").set_text("123456")
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/poco/proxy.py", line 802, in set_text
return self.setattr('text', text)
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/poco/proxy.py", line 39, in wrapped
return func(self, *args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/poco/proxy.py", line 761, in setattr
raise InvalidOperationException('"{}" of "{}"'.format(str(e), self))
poco.exceptions.InvalidOperationException: "Unable to set attribute "text" of node "{'name': 'login_account_password_input', 'payload': {'label': 'login_account_password_input', 'type': 'Other', 'name': 'login_account_password_input', 'rect': {'y': 266, 'x': 24, 'width': 327, 'height': 43}, 'size': [0.872, 0.06446776611694154], 'pos': [0.5, 0.43103448275862066], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, 'children': [{'name': 'login_account_password_input', 'payload': {'label': 'login_account_password_input', 'type': 'Other', 'name': 'login_account_password_input', 'rect': {'y': 266, 'x': 24, 'width': 278, 'height': 42}, 'size': [0.7413333333333333, 0.06296851574212893], 'pos': [0.43466666666666665, 0.4302848575712144], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, 'children': [{'name': 'login_account_password_input', 'payload': {'label': 'login_account_password_input', 'type': 'SecureTextField', 'name': 'login_account_password_input', 'rect': {'y': 266, 'x': 24, 'width': 278, 'height': 42}, 'size': [0.7413333333333333, 0.06296851574212893], 'pos': [0.43466666666666665, 0.4302848575712144], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, '__parent__': }], '__parent__': }, {'name': 'Other', 'payload': {'label': None, 'type': 'Other', 'name': 'Other', 'rect': {'y': 266, 'x': 307, 'width': 44, 'height': 42}, 'size': [0.11733333333333333, 0.06296851574212893], 'pos': [0.8773333333333333, 0.4302848575712144], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, 'children': [{'name': 'Other', 'payload': {'label': None, 'type': 'Other', 'name': 'Other', 'rect': {'y': 266, 'x': 307, 'width': 45, 'height': 42}, 'size': [0.12, 0.06296851574212893], 'pos': [0.8786666666666667, 0.4302848575712144], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, '__parent__': }, {'name': 'Other', 'payload': {'label': None, 'type': 'Other', 'name': 'Other', 'rect': {'y': 281, 'x': 307, 'width': 1, 'height': 12}, 'size': [0.0026666666666666666, 0.017991004497751123], 'pos': [0.82, 0.4302848575712144], 'zOrders': {'local': 0, 'global': 0}, 'anchorPoint': [0.5, 0.5], 'visible': True}, '__parent__': }], '__parent__': }], '__parent__': }"." of "UIObjectProxy of "login_account_password_input""

Process finished with exit code 1