diff --git a/CrossDown.py b/CrossDown.py
new file mode 100644
index 0000000..e79da3e
--- /dev/null
+++ b/CrossDown.py
@@ -0,0 +1,127 @@
+import re
+
+
+class Header:
+    @staticmethod
+    def header(text: str) -> str:
+        """
+        渲染标题
+        :param text: 原始文本
+        :return: 处理后的文本
+        """
+        h6 = re.sub(r'###### (.*?)\n', r'<h6>\1</h6>\n', text)  # H6
+        h5 = re.sub(r'##### (.*?)\n', r'<h5>\1</h5>\n', h6)  # H5
+        h4 = re.sub(r'#### (.*?)\n', r'<h4>\1</h4>\n', h5)  # H4
+        h3 = re.sub(r'### (.*?)\n', r'<h3>\1</h3>\n', h4)  # H3
+        h2 = re.sub(r'## (.*?)\n', r'<h2>\1</h2>\n', h3)  # H2
+        h1 = re.sub(r'# (.*?)\n', r'<h1>\1</h1>\n', h2)  # H1
+        return h1
+
+
+class Style:
+    """
+    渲染字体样式
+    """
+    def __init__(self, text: str):
+        """
+        初始化
+        :param text: cd文本
+        """
+        self.text = text
+
+    def italic(self):
+        """
+        斜体
+        :return:
+        """
+        self.text = re.sub(r'\*([^*\n]+)\*', r'<i>\1</i>\n', self.text)
+
+    def bold(self):
+        """
+        粗体
+        :return:
+        """
+        self.text = re.sub(r'\*\*([^*\n]+)\*\*', r'<b>\1</b>\n', self.text)
+
+    def underline(self):
+        """
+        下划线
+        :return:
+        """
+        self.text = re.sub(r'~([^~\n]+)~', r'<u>\1</u>\n', self.text)
+
+    def strikethrough(self):
+        """
+        删除线
+        :return:
+        """
+        self.text = re.sub(r'~~([^~\n]+)~~', r'<s>\1</s>\n', self.text)
+
+    def highlight(self):
+        """
+        高亮
+        :return:
+        """
+        self.text = re.sub(r'==([^=\n]+)==', r'<mark>\1</mark>\n', self.text)
+
+    def __call__(self, *args, **kwargs):
+        """
+        一键运行
+        :param args:
+        :param kwargs:
+        :return:
+        """
+        self.bold()
+        self.italic()
+        self.strikethrough()
+        self.underline()
+        self.highlight()
+        return self.text
+
+
+class Function:
+    """
+    添加特殊功能
+    """
+
+    def __init__(self, text: str):
+        """
+        初始化
+        :param text: cd文本
+        """
+        self.text = text
+
+    def link(self):
+        self.text = re.sub(r'\[([^\[\]\n]+)]\(([^()\n]+)\)', r'<a href="\2">\1</a>\n', self.text)
+
+    def __call__(self, *args, **kwargs):
+        """
+        一键运行
+        :param args:
+        :param kwargs:
+        :return:
+        """
+        self.link()
+        return self.text
+
+
+class Basic:
+    @ staticmethod
+    def paragraph(text):
+        return re.sub(r'(.*?)\n', r'<p>\1</p>\n', text)
+
+
+def main(text: str) -> str:
+    text = Header.header(text)  # 渲染标题
+    text = Style(text)()
+    text = Function(text)()
+
+    # text = Basic.paragraph(text)  # 渲染段落
+    return text
+
+
+if __name__ == '__main__':
+    with open('test.md', encoding='utf-8') as test:
+        cd = main(test.read())
+    with open('test.html', 'w', encoding='utf-8') as html:
+        html.write(cd)