diff --git a/DrissionPage/common.py b/DrissionPage/common.py
index 1a4352d..44e65a9 100644
--- a/DrissionPage/common.py
+++ b/DrissionPage/common.py
@@ -120,7 +120,7 @@ def get_loc_from_str(loc: str) -> tuple:
     return loc_by, loc_str
 
 
-def _make_xpath_str(tag: str, arg: str, val: str, mode: str = 'fuzzy'):
+def _make_xpath_str(tag: str, arg: str, val: str, mode: str = 'fuzzy') -> str:
     """生成xpath语句"""
     tag_name = '' if tag == '*' else f'name()="{tag}" and '
     if mode == 'exact':
@@ -129,7 +129,7 @@ def _make_xpath_str(tag: str, arg: str, val: str, mode: str = 'fuzzy'):
         return f"//*[{tag_name}contains({arg},{_make_search_str(val)})]"
 
 
-def _make_search_str(search_str: str):
+def _make_search_str(search_str: str) -> str:
     """将"转义，不知何故不能直接用\""""
     parts = search_str.split('"')
     parts_num = len(parts)
@@ -141,7 +141,7 @@ def _make_search_str(search_str: str):
     return search_str
 
 
-def translate_loc_to_xpath(loc):
+def translate_loc_to_xpath(loc) -> tuple:
     """把By类型转为xpath或css selector"""
     loc_by = 'xpath'
     loc_str = None
@@ -185,7 +185,7 @@ def avoid_duplicate_name(folder_path: str, file_name: str) -> str:
     return file_name
 
 
-def clean_folder(folder_path: str, ignore: list = None):
+def clean_folder(folder_path: str, ignore: list = None) -> None:
     """清空一个文件夹，除了ignore里的文件和文件夹
     :param folder_path: 要清空的文件夹路径
     :param ignore: 忽略列表
diff --git a/DrissionPage/driver_element.py b/DrissionPage/driver_element.py
index 1933fb5..ea910ed 100644
--- a/DrissionPage/driver_element.py
+++ b/DrissionPage/driver_element.py
@@ -155,7 +155,7 @@ class DriverElement(DrissionElement):
         if isinstance(loc_or_str, str):
             loc_or_str = get_loc_from_str(loc_or_str)
         elif isinstance(loc_or_str, tuple) and len(loc_or_str) == 2:
-            loc_or_str = translate_loc_to_xpath(loc_or_str)
+            pass
         else:
             raise ValueError('Argument loc_or_str can only be tuple or str.')
 
diff --git a/DrissionPage/driver_page.py b/DrissionPage/driver_page.py
index 26fc0c5..96e7955 100644
--- a/DrissionPage/driver_page.py
+++ b/DrissionPage/driver_page.py
@@ -110,7 +110,7 @@ class DriverPage(object):
         if isinstance(loc_or_ele, str):
             loc_or_ele = get_loc_from_str(loc_or_ele)
         elif isinstance(loc_or_ele, tuple) and len(loc_or_ele) == 2:
-            loc_or_ele = translate_loc_to_xpath(loc_or_ele)
+            pass
         elif isinstance(loc_or_ele, DriverElement):
             return loc_or_ele
         elif isinstance(loc_or_ele, WebElement):
diff --git a/DrissionPage/session_page.py b/DrissionPage/session_page.py
index 80e99a9..05a443f 100644
--- a/DrissionPage/session_page.py
+++ b/DrissionPage/session_page.py
@@ -97,16 +97,16 @@ class SessionPage(object):
         :return: SessionElement对象
         """
         if isinstance(loc_or_ele, str):
-            loc = get_loc_from_str(loc_or_ele)
+            loc_or_ele = get_loc_from_str(loc_or_ele)
         elif isinstance(loc_or_ele, tuple) and len(loc_or_ele) == 2:
-            loc = translate_loc_to_xpath(loc_or_ele)
+            loc_or_ele = translate_loc_to_xpath(loc_or_ele)
         elif isinstance(loc_or_ele, SessionElement):
             return loc_or_ele
         elif isinstance(loc_or_ele, Element):
             return SessionElement(loc_or_ele)
         else:
             raise ValueError('Argument loc_or_str can only be tuple, str, SessionElement, Element.')
-        return execute_session_find(self.response.html, loc, mode, show_errmsg)
+        return execute_session_find(self.response.html, loc_or_ele, mode, show_errmsg)
 
     def eles(self, loc_or_str: Union[tuple, str], show_errmsg: bool = False) -> List[SessionElement]:
         """返回页面中所有符合条件的元素                                                                    \n