diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index d96d013..1a18e89 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -12,4 +12,4 @@ from ._pages.chromium_page import ChromiumPage
 from ._pages.session_page import SessionPage
 from ._pages.web_page import WebPage
 
-__version__ = '4.1.0.1'
+__version__ = '4.1.0.2'
diff --git a/DrissionPage/_elements/session_element.py b/DrissionPage/_elements/session_element.py
index 5930a5b..d0cba7a 100644
--- a/DrissionPage/_elements/session_element.py
+++ b/DrissionPage/_elements/session_element.py
@@ -180,13 +180,14 @@ def make_session_ele(html_or_ele, loc=None, index=1, method=None):
         raise ValueError("定位符必须为str或长度为2的tuple。")
 
     # ---------------根据传入对象类型获取页面对象和lxml元素对象---------------
+    the_type = getattr(html_or_ele, '_type', None)
     # 直接传入html文本
     if isinstance(html_or_ele, str):
         page = None
         html_or_ele = fromstring(html_or_ele)
 
     # SessionElement
-    elif html_or_ele._type == 'SessionElement':
+    elif the_type == 'SessionElement':
         page = html_or_ele.owner
 
         loc_str = loc[1]
@@ -207,7 +208,7 @@ def make_session_ele(html_or_ele, loc=None, index=1, method=None):
 
         loc = loc[0], loc_str
 
-    elif html_or_ele._type == 'ChromiumElement':
+    elif the_type == 'ChromiumElement':
         loc_str = loc[1]
         if loc[0] == 'xpath' and loc[1].lstrip().startswith('/'):
             loc_str = f'.{loc[1]}'
@@ -230,7 +231,7 @@ def make_session_ele(html_or_ele, loc=None, index=1, method=None):
         html_or_ele = fromstring(html)
         html_or_ele = html_or_ele.xpath(xpath)[0]
 
-    elif html_or_ele._type == 'ChromiumFrame':
+    elif the_type == 'ChromiumFrame':
         page = html_or_ele
         html_or_ele = fromstring(html_or_ele.inner_html)
 
diff --git a/DrissionPage/_functions/elements.py b/DrissionPage/_functions/elements.py
index 17a372d..f559db2 100644
--- a/DrissionPage/_functions/elements.py
+++ b/DrissionPage/_functions/elements.py
@@ -309,6 +309,12 @@ def get_frame(owner, loc_ind_ele, timeout=None):
             raise TypeError('该定位符不是指向frame元素。')
         r = ele
 
+    elif isinstance(loc_ind_ele, int):
+        ele = owner._ele('@|tag():iframe@|tag():frame', timeout=timeout, index=loc_ind_ele)
+        if ele and ele._type != 'ChromiumFrame':
+            raise TypeError('该定位符不是指向frame元素。')
+        r = ele
+
     elif getattr(loc_ind_ele, '_type', None) == 'ChromiumFrame':
         r = loc_ind_ele
 
diff --git a/DrissionPage/_pages/mix_tab.py b/DrissionPage/_pages/mix_tab.py
index b0d972b..72a46f2 100644
--- a/DrissionPage/_pages/mix_tab.py
+++ b/DrissionPage/_pages/mix_tab.py
@@ -100,6 +100,8 @@ class MixTab(SessionPage, ChromiumTab, BasePage):
             self.cookies_to_session()
         if timeout is None:
             kwargs['timeout'] = self.timeouts.page_load
+        if self._session is None:
+            self._create_session()
         super().post(url, show_errmsg, retry, interval, **kwargs)
         return self.response