diff --git a/CrossDown/Core.py b/CrossDown/Core.py
index e59d7d3..c35ad9f 100644
--- a/CrossDown/Core.py
+++ b/CrossDown/Core.py
@@ -34,25 +34,6 @@ from pymdownx.magiclink import MagiclinkExtension
 from .Define import Variable
 
 
-class PreProcess(Preprocessor):
-    """预处理"""
-
-    def __init__(self, variable: Variable):
-        super().__init__()
-        self.variable = variable
-
-    def run(self, lines: List[str]) -> List[str]:
-        new_lines = []
-        for line in lines:  # 逐行遍历
-            for value in re.findall(r'\{\[(.+?)]}', line):  # 找到变量
-                if value in self.variable:  # 变量已定义
-                    line = re.sub(fr'\{{\[{value}]}}', self.variable[value], line)  # 替换变量为值
-                else:
-                    line = re.sub(fr'\{{\[{value}]}}', value, line)  # 不替换变量
-            new_lines.append(line)
-        return new_lines
-
-
 class Simple(InlineProcessor):
     """
     可通过简单的正则表达式和HTML标签实现的样式
@@ -212,26 +193,6 @@ class LinkLine(InlineProcessor):
         return tag, m.start(), m.end()
 
 
-class Pre(Extension):
-    """预处理"""
-
-    def __init__(self, variable: Variable):
-        """
-        初始化
-        :param variable: 变量字典
-        """
-        super().__init__()
-        self.variable = variable
-
-    def extendMarkdown(self, md: Markdown):
-        """
-        添加扩展
-        :param md: 转换器
-        """
-        md.registerExtension(self)  # 注册扩展
-        md.preprocessors.register(PreProcess(self.variable), 'pre_process', 1000)
-
-
 class BasicExtension(Extension):
     """
     渲染基本样式
diff --git a/README.html b/README.html
index 3e432af..3ceabde 100644
--- a/README.html
+++ b/README.html
@@ -272,6 +272,7 @@
     <div class="highlight"><pre><span></span><code>#! usr/bin/python3.11
     def main():
         print(&#39;CrossDown&#39;)
+    `#!py3 print(&#39;cd&#39;)`
     </code></pre></div>
     <h1 id="5">5 转义</h1>
     <p>\ </p>
diff --git a/README.md b/README.md
index 55b41a9..f4029b5 100644
--- a/README.md
+++ b/README.md
@@ -199,6 +199,7 @@ $$
 #! usr/bin/python3.11
 def main():
     print('CrossDown')
+`#!py3 print('cd')`
 ```
 
 5 转义
diff --git a/setup.py b/setup.py
index a1ec4c3..0fbdcb3 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="CrossDown",
-    version="2.2.0",
+    version="3.2.4",
     author="CrossDark",
     author_email="liuhanbo333@icloud.com",
     description="CrossDark's MarkDown",