diff --git a/demo.txt b/demo.txt
deleted file mode 100644
index 6ab02de..0000000
--- a/demo.txt
+++ /dev/null
@@ -1,48 +0,0 @@
-import sys
-from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QTextEdit
-from PyQt5.QtCore import QTimer
-
-class TypewriterEffectApp(QWidget):
-    def __init__(self, filepath):
-        super().__init__()
-        self.filepath = filepath
-        self.initUI()
-        self.startTyping()
-
-    def initUI(self):
-        # 设置窗口布局和控件
-        layout = QVBoxLayout(self)
-        self.textEdit = QTextEdit(self)
-        self.textEdit.setReadOnly(True)
-        layout.addWidget(self.textEdit)
-
-        # 设置窗口
-        self.setWindowTitle("Typewriter Effect")
-        self.setGeometry(300, 300, 600, 400)
-
-    def startTyping(self):
-        # 读取文件内容
-        with open(self.filepath, 'r') as file:
-            self.content = file.read()
-
-        # 设置定时器逐字显示文本
-        self.index = 0
-        self.timer = QTimer(self)
-        self.timer.timeout.connect(self.displayNextCharacter)
-        self.timer.start(100)  # 设置间隔（毫秒）
-
-    def displayNextCharacter(self):
-        if self.index < len(self.content):
-            self.textEdit.insertPlainText(self.content[self.index])
-            self.index += 1
-        else:
-            self.timer.stop()
-
-def main():
-    app = QApplication(sys.argv)
-    ex = TypewriterEffectApp('path_to_text_file.txt')  # 替换为您的文件路径
-    ex.show()
-    sys.exit(app.exec_())
-
-if __name__ == '__main__':
-    main()