diff --git a/qt4c/mouse.py b/qt4c/mouse.py
index 419bf14..94d41a8 100644
--- a/qt4c/mouse.py
+++ b/qt4c/mouse.py
@@ -15,8 +15,6 @@
 import winerror
 import time
 
-from . import util
-
 class MouseFlag(object):
     '''鼠标按键枚举类
     '''
@@ -65,12 +63,6 @@ class Mouse(object):
     
     _last_click_time = time.time()
     
-    @staticmethod
-    def handle_position(x, y):
-        """坐标转换"""
-        scale = util.getDpi()
-        return int(x / scale), int(y / scale)
-
     @staticmethod
     def click(x, y, flag=MouseFlag.LeftButton, 
               clicktype=MouseClickType.SingleClick):
@@ -85,7 +77,6 @@ def click(x, y, flag=MouseFlag.LeftButton,
         :param clickType: 鼠标动作,如双击还是单击
         :type clickType: qt4c.mouse.MouseClickType
         """
-        x, y = Mouse.handle_position(x, y)
         win32api.SetCursorPos((x,y))
         win32api.mouse_event(_mouse_msg[flag][0] | _mouse_msg[flag][1],0,0,0,0)
         if clicktype != MouseClickType.SingleClick:
diff --git a/qt4c/uiacontrols.py b/qt4c/uiacontrols.py
index 2635aed..d7c42fe 100644
--- a/qt4c/uiacontrols.py
+++ b/qt4c/uiacontrols.py
@@ -331,7 +331,13 @@ def HasKeyboardFocus(self):
     def ClassName(self):
         """返回ClassName
         """
-        return self._uiaobj.CurrentClassName   
+        return self._uiaobj.CurrentClassName
+
+    @property
+    def AutomationId(self):
+        """返回AutomationId
+        """
+        return self._uiaobj.CurrentAutomationId
    
 
         
diff --git a/qt4c/wincontrols.py b/qt4c/wincontrols.py
index 53baaf2..67f61bc 100644
--- a/qt4c/wincontrols.py
+++ b/qt4c/wincontrols.py
@@ -179,10 +179,7 @@ def BoundingRect(self):
         :rtype: util.Rectangle
         :return: util.Rectangle实例
         """
-        scale = util.getDpi()
-        rect = win32gui.GetWindowRect(self.HWnd)
-        rect = [it * scale for it in rect]
-        return util.Rectangle(rect)
+        return util.Rectangle(win32gui.GetWindowRect(self.HWnd))
     
     @property
     def Caption(self):