diff --git a/at_processing/filter.anal b/at_processing/filter.anal
index 98fc1fe..9e3ba1d 100644
--- a/at_processing/filter.anal
+++ b/at_processing/filter.anal
@@ -231,6 +231,8 @@ worker-window 1
 xldesk 1
 xlmain 1
 
+TODO: 对Windows元素，可能按win:class属性筛选会更贴近UFO的方案。
+
 |3. 筛选属性
 
 UFO中筛选的几种元素属性：
@@ -238,7 +240,7 @@ P: is_visible, is_enabled, title_list, class_name_list
 
 对Ubuntu，照葫芦画瓢，筛选
 P: visible & showing
-P: enabled
+P: enabled | editable | expandable | checkable
 P: name
 P: text
 
diff --git a/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py b/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
index 337b402..34a1d76 100644
--- a/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
+++ b/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
@@ -55,12 +55,12 @@ def judge_node(node: ET, platform="ubuntu") -> bool:
                      or platform=="windows"\
                         and node.get("{{{:}}}visible".format(state_ns), "false")=="true"\
                       )\
-                    and ( node.get("{{{:}}}enabled".format(state_ns), "false")=="true"\
-                       or node.get("{{{:}}}editable".format(state_ns), "false")=="true"\
-                       or node.get("{{{:}}}expandable".format(state_ns), "false")=="true"\
-                       or node.get("{{{:}}}checkable".format(state_ns), "false")=="true"
-                        )\
-                    and (node.get("name", "") != "" or node.text is not None and len(node.text)>0)
+                  and ( node.get("{{{:}}}enabled".format(state_ns), "false")=="true"\
+                     or node.get("{{{:}}}editable".format(state_ns), "false")=="true"\
+                     or node.get("{{{:}}}expandable".format(state_ns), "false")=="true"\
+                     or node.get("{{{:}}}checkable".format(state_ns), "false")=="true"
+                      )\
+                  and (node.get("name", "") != "" or node.text is not None and len(node.text)>0)
 
     coordinates: Tuple[int, int] = eval(node.get("{{{:}}}screencoord".format(component_ns), "(-1, -1)"))
     sizes: Tuple[int, int] = eval(node.get("{{{:}}}size".format(component_ns), "(-1, -1)"))