XPATH获取元素对象的时候显示指令运行错误3:11

XPATH获取元素对象的时候显示指令运行错误3:11 报错如下

3:11
Traceback (most recent call last):
File "C:\Program Files\ShadowBot\shadowbot-5.11.33\python\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "C:\Program Files\ShadowBot\shadowbot-5.11.33\python\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Program Files\ShadowBot\shadowbot-5.11.33\python\lib\site-packages\xbot_interpreter.py", line 87, in <module>
main()
File "C:\Program Files\ShadowBot\shadowbot-5.11.33\python\lib\site-packages\xbot_interpreter.py", line 47, in main
try:
File "C:\Users\asus126\AppData\Local\ShadowBot\users\dfeb8329-f23e-4fe2-b37c-f6935109693d\apps\3863e326-ab7d-4c5c-82b4-ea561b35b13a\xbot_robot\main.py", line 60, in main
raise e
File "C:\Users\asus126\AppData\Local\ShadowBot\users\dfeb8329-f23e-4fe2-b37c-f6935109693d\apps\3863e326-ab7d-4c5c-82b4-ea561b35b13a\xbot_robot\main.py", line 56, in main
选择今天日期 = xbot_visual.web.element.get_element(browser=海关数据, select_type="xpath_selector", selector=None, css_selector="", xpath_selector="//div[@class=\"hideSearch\"]//div[@class=\"ng-isolate-scope\"]/div[1]//button[@class=\"today ng-scope\"", is_related_parent=False, parent="", timeout="20", _block=("main", 18, "获取元素对象(web)"))
File "<string>", line 89, in wrapper
File "<string>", line 84, in wrapper
File "<string>", line 410, in get_element
File "<string>", line 573, in find_by_xpath
File "<string>", line 519, in find_all_by_xpath
File "<string>", line 510, in find_all_by_xpath
File "<string>", line 42, in _invoke
File "<string>", line 764, in _invoke
File "<string>", line 115, in execute
File "<string>", line 88, in execute
xbot.errors.UIAError: Error: Failed to execute 'evaluate' on 'Document': The string '//div[@class="hideSearch"]//div[@class="ng-isolate-scope"]/div[1]//button[@class="today ng-scope"' is not a valid XPath expression.
at Object.queryXPath (<anonymous>:691:40)
at queryXPathSelectorAll (<anonymous>:2036:41)
at Object.invoke (<anonymous>:3735:39)
at invoke (chrome-extension://hofgfmmdolnmimplihglefekekfcfijf/content.static.js:9:38)
at <anonymous>:2:35
at <anonymous>:3:11