diff --git a/frame/__pycache__/CompareViews.cpython-312.pyc b/frame/__pycache__/CompareViews.cpython-312.pyc
index 3e16a48..1ebb339 100644
Binary files a/frame/__pycache__/CompareViews.cpython-312.pyc and b/frame/__pycache__/CompareViews.cpython-312.pyc differ
diff --git a/frame/__pycache__/ReferView.cpython-312.pyc b/frame/__pycache__/ReferView.cpython-312.pyc
index 400ce76..71337d0 100644
Binary files a/frame/__pycache__/ReferView.cpython-312.pyc and b/frame/__pycache__/ReferView.cpython-312.pyc differ
diff --git a/graph/directed_acyclic_graph/__pycache__/DAGLayout.cpython-312.pyc b/graph/directed_acyclic_graph/__pycache__/DAGLayout.cpython-312.pyc
index 5051962..12cb3ea 100644
Binary files a/graph/directed_acyclic_graph/__pycache__/DAGLayout.cpython-312.pyc and b/graph/directed_acyclic_graph/__pycache__/DAGLayout.cpython-312.pyc differ
diff --git a/parse/StoryMap.py b/parse/StoryMap.py
index 47bdd99..ab7d209 100644
--- a/parse/StoryMap.py
+++ b/parse/StoryMap.py
@@ -1,5 +1,5 @@
 import xml.dom.minidom as mdom
-from typing import List, Tuple, Dict
+from typing import List, Tuple, Dict, Union
 from abc import abstractmethod
 from enum import Enum
 from frame.ReferView import EmptyNode
@@ -20,23 +20,23 @@ class ElementSlice:
         raise NotImplementedError("type")
 
     @abstractmethod
-    def parent_slice(self) -> 'ElementSlice' | None:
+    def parent_slice(self) -> Union['ElementSlice', None]:
         raise NotImplementedError()
 
     @abstractmethod
-    def set_prev(self, inst: 'ElementSlice' | None):
+    def set_prev(self, inst: Union['ElementSlice', None]):
         raise NotImplementedError()
 
     @abstractmethod
-    def prev_sibling(self) -> 'ElementSlice' | None:
+    def prev_sibling(self) -> Union['ElementSlice', None]:
         raise NotImplementedError()
 
     @abstractmethod
-    def set_next(self, inst: 'ElementSlice' | None):
+    def set_next(self, inst: Union['ElementSlice', None]):
         raise NotImplementedError()
 
     @abstractmethod
-    def next_sibling(self) -> 'ElementSlice' | None:
+    def next_sibling(self) -> Union['ElementSlice', None]:
         raise NotImplementedError()
 
     @abstractmethod
@@ -52,23 +52,23 @@ class Collection:
 
 class SiblingsImpl(ElementSlice):
     def __init__(self):
-        self.__prev_sib: 'StoryDefine' | None = None
-        self.__next_sib: 'StoryDefine' | None = None
+        self.__prev_sib: Union['StoryDefine', None] = None
+        self.__next_sib: Union['StoryDefine', None] = None
         pass
 
-    def parent_slice(self) -> 'ElementSlice' | None:
+    def parent_slice(self) -> Union['ElementSlice', None]:
         pass
 
-    def set_prev(self, inst: 'ElementSlice' | None):
+    def set_prev(self, inst: Union['ElementSlice', None]):
         pass
 
-    def prev_sibling(self) -> 'ElementSlice' | None:
+    def prev_sibling(self) -> Union['ElementSlice', None]:
         pass
 
-    def set_next(self, inst: 'ElementSlice' | None):
+    def set_next(self, inst: Union['ElementSlice', None]):
         pass
 
-    def next_sibling(self) -> 'ElementSlice' | None:
+    def next_sibling(self) -> Union['ElementSlice', None]:
         pass
 
     def index(self) -> int:
@@ -79,30 +79,30 @@ class StoryDefine(ElementSlice, Collection):
     def __init__(self, nm: str, idx: int):
         self.__index = idx
         self.__name = nm
-        self.__prev_sib: 'StoryDefine' | None = None
-        self.__next_sib: 'StoryDefine' | None = None
+        self.__prev_sib: Union['StoryDefine', None] = None
+        self.__next_sib: Union['StoryDefine', None] = None
         self.__children: List[ElementSlice] = []
         pass
 
     def type(self) -> SliceType:
         return SliceType.StoryDefine
 
-    def parent_slice(self) -> 'ElementSlice' | None:
+    def parent_slice(self) -> Union['ElementSlice', None]:
         return None
 
-    def set_prev(self, inst: 'ElementSlice' | None):
+    def set_prev(self, inst: Union['ElementSlice', None]):
         self.__prev_sib = inst
         pass
 
-    def prev_sibling(self) -> 'ElementSlice' | None:
+    def prev_sibling(self) -> Union['ElementSlice', None]:
         return self.__prev_sib
         pass
 
-    def set_next(self, inst: 'ElementSlice' | None):
+    def set_next(self, inst: Union['ElementSlice', None]):
         self.__next_sib = inst
         pass
 
-    def next_sibling(self) -> 'ElementSlice' | None:
+    def next_sibling(self) -> Union['ElementSlice', None]:
         return self.__next_sib
         pass
 
@@ -131,30 +131,30 @@ def calc_index(inst: ElementSlice) -> int:
 class TextParagraph(ElementSlice):
     def __init__(self, parent: ElementSlice):
         self.__parent_node = parent
-        self.__prev_node: ElementSlice | None = None
-        self.__next_node: ElementSlice | None = None
+        self.__prev_node: Union[ElementSlice, None] = None
+        self.__next_node: Union[ElementSlice, None] = None
         self.__text_lines: List[str] = []
         pass
 
     def type(self) -> SliceType:
         return SliceType.TextParagraph
 
-    def parent_slice(self) -> 'ElementSlice' | None:
+    def parent_slice(self) -> Union['ElementSlice', None]:
         return self.__parent_node
 
-    def set_prev(self, inst: 'ElementSlice' | None):
+    def set_prev(self, inst: Union['ElementSlice', None]):
         self.__prev_node = inst
         pass
 
-    def prev_sibling(self) -> 'ElementSlice' | None:
+    def prev_sibling(self) -> Union['ElementSlice', None]:
         return self.__prev_node
 
-    def set_next(self, inst: 'ElementSlice' | None):
+    def set_next(self, inst: Union['ElementSlice', None]):
         self.__next_node = inst
         inst.set_prev(self)
         pass
 
-    def next_sibling(self) -> 'ElementSlice' | None:
+    def next_sibling(self) -> Union['ElementSlice', None]:
         return self.__next_node
 
     def index(self) -> int:
@@ -165,8 +165,8 @@ class FragmentDefine(ElementSlice):
     def __init__(self, nm:str, parent: ElementSlice):
         self.__name = nm
         self.__parent_inst = parent
-        self.__prev_node: ElementSlice | None = None
-        self.__next_node: ElementSlice | None = None
+        self.__prev_node: Union[ElementSlice, None] = None
+        self.__next_node: Union[ElementSlice, None] = None
         self.__refer_nodes: List[ElementSlice] = []
         self.__description: TextParagraph = TextParagraph(self)
         pass
@@ -174,22 +174,22 @@ class FragmentDefine(ElementSlice):
     def type(self) -> SliceType:
         return SliceType.FragmentDefine
 
-    def parent_slice(self) -> 'ElementSlice' | None:
+    def parent_slice(self) -> Union['ElementSlice', None]:
         return self.__parent_inst
 
-    def set_prev(self, inst: 'ElementSlice' | None):
+    def set_prev(self, inst: Union['ElementSlice', None]):
         self.__prev_node = inst
         pass
 
-    def prev_sibling(self) -> 'ElementSlice' | None:
+    def prev_sibling(self) -> Union['ElementSlice', None]:
         return self.__prev_node
 
-    def set_next(self, inst: 'ElementSlice' | None):
+    def set_next(self, inst: Union['ElementSlice', None]):
         self.__next_node = inst
         inst.set_prev(self)
         pass
 
-    def next_sibling(self) -> 'ElementSlice' | None:
+    def next_sibling(self) -> Union['ElementSlice', None]:
         return self.__next_node
 
     def index(self) -> int:
@@ -210,7 +210,7 @@ class FragmentDefine(ElementSlice):
 
 class FragmentRefer(ElementSlice):
     def __init__(self, parent: ElementSlice):
-
+        pass
 
 
 class FragmentSlice(EmptyNode):
@@ -221,8 +221,8 @@ class FragmentSlice(EmptyNode):
         self.fragm_refer = ""
         self.fragm_sort_i = 0
 
-        self.prev_node: 'FragmentSlice' | None = None  # 上游节点
-        self.next_node: 'FragmentSlice' | None = None  # 下游节点
+        self.prev_node: Union['FragmentSlice', None] = None  # 上游节点
+        self.next_node: Union['FragmentSlice', None] = None  # 下游节点
         self.refers_slice: Dict[str, 'FragmentSlice'] = {}  # 引用切面
 
         self.text_sections: List[str] = []  # 文本段落
@@ -272,7 +272,7 @@ class StoryMap:
         self.slice_list.append(node)
         pass
 
-    def get_fragment_defined(self, name: str) -> FragmentSlice | None:
+    def get_fragment_defined(self, name: str) -> Union[FragmentSlice, None]:
         for fit in self.slice_list:
             if fit.is_define_node[0]:
                 if fit.is_define_node[1] == name:
@@ -305,7 +305,7 @@ class XAST_ParseTool:
             pass
         return values
 
-    def __extract_empty_storymap(self, name: str) -> Tuple[StoryMap, mdom.Element] | None:
+    def __extract_empty_storymap(self, name: str) -> Union[Tuple[StoryMap, mdom.Element], None]:
         storys = self.dom_tree.getElementsByTagName("story")
         for node in storys:
             if node.getAttribute("name") == name:
diff --git a/parse/__pycache__/StoryMap.cpython-312.pyc b/parse/__pycache__/StoryMap.cpython-312.pyc
index 79fbc5c..bc01619 100644
Binary files a/parse/__pycache__/StoryMap.cpython-312.pyc and b/parse/__pycache__/StoryMap.cpython-312.pyc differ