diff --git a/normalMode.js b/normalMode.js
deleted file mode 100644
index df87daa..0000000
--- a/normalMode.js
+++ /dev/null
@@ -1,138 +0,0 @@
-document.getElementById("fileInput").addEventListener("change", handleFile, false);
-document.getElementById("randomSelectButton").addEventListener("click", randomSelect);
-document.getElementById("clearScoresButton").addEventListener("click", clearScores);
-
-let students = [];
-
-// 处理文件上传
-function handleFile(e) {
-    const file = e.target.files[0];
-    const reader = new FileReader();
-
-    reader.onload = function (event) {
-        const data = new Uint8Array(event.target.result);
-        const workbook = XLSX.read(data, { type: "array" });
-
-        const firstSheet = workbook.Sheets[workbook.SheetNames[0]];
-        const rows = XLSX.utils.sheet_to_json(firstSheet, { header: 1 });
-
-        // 将学生数据转换为对象数组
-        students = rows.map(row => ({
-            id: row[0],
-            name: row[1],
-            score: 0,  // 初始积分为0
-        }));
-        students.shift(); // 删除第一行的标题
-
-        // 加载已存储的学生积分
-        loadSavedScores();
-
-        // 移除按钮的 hidden 类以显示点名按钮
-        document.getElementById("randomSelectButton").classList.remove("hidden");
-        document.getElementById("clearScoresButton").classList.remove("hidden");
-    };
-
-    reader.readAsArrayBuffer(file);
-}
-
-// 加载本地存储的积分数据
-function loadSavedScores() {
-    const savedData = localStorage.getItem("studentsData");
-    if (savedData) {
-        const savedStudents = JSON.parse(savedData);
-        students.forEach(student => {
-            const savedStudent = savedStudents.find(s => s.id === student.id);
-            if (savedStudent) {
-                student.score = savedStudent.score;
-            }
-        });
-    }
-    updateRanking();
-}
-
-// 保存积分数据到本地存储
-function saveScores() {
-    localStorage.setItem("studentsData", JSON.stringify(students));
-}
-
-// 随机点名并计算积分
-function randomSelect() {
-    if (students.length === 0) return;
-
-    // 计算总积分，按比例降低被点到的概率
-    const totalScore = students.reduce((acc, student) => acc + (1 / (student.score + 1)), 0);
-    let randomValue = Math.random() * totalScore;
-    let selectedStudent = null;
-
-    for (let student of students) {
-        randomValue -= 1 / (student.score + 1);
-        if (randomValue <= 0) {
-            selectedStudent = student;
-            break;
-        }
-    }
-
-    // 点到学生
-    document.getElementById("studentInfo").innerHTML = `
-        <p>点到学生：${selectedStudent.name} (学号: ${selectedStudent.id})</p>
-    `;
-    document.getElementById("studentInfo").classList.remove("hidden");
-
-    // 积分逻辑：每点到一次且到达课堂，积分 +1
-    selectedStudent.score += 1;
-
-    // 模拟回答是否正确
-    const isAnswerCorrect = Math.random() > 0.5; // 随机决定答案是否正确
-    let answerScore = 0;
-
-    // 答题逻辑
-    if (isAnswerCorrect) {
-        answerScore = Math.random() * 2 + 0.5; // 随机增加0.5到2.5分
-        selectedStudent.score += answerScore; // 增加答对的分数
-    } else {
-        answerScore = -1; // 答错则扣1分
-        selectedStudent.score += answerScore; // 扣分
-    }
-
-    // 显示反馈
-    const answerFeedback = isAnswerCorrect ? `+${answerScore.toFixed(1)} (答对)` : `${answerScore} (答错)`;
-    document.getElementById("feedback").innerHTML = `
-        <p>${selectedStudent.name} 的积分变动：+1 (点到) ${answerFeedback}</p>
-    `;
-    document.getElementById("feedback").classList.remove("hidden");
-
-    // 保存积分到本地存储
-    saveScores();
-
-    updateRanking();
-}
-
-// 更新积分排行榜
-function updateRanking() {
-    students.sort((a, b) => b.score - a.score);
-
-    let rankTableHTML = students.map(student => `
-        <tr>
-            <td>${student.id}</td>
-            <td>${student.name}</td>
-            <td>${student.score.toFixed(1)}</td>
-        </tr>
-    `).join("");
-
-    document.getElementById("rankList").innerHTML = rankTableHTML;
-    document.getElementById("rankTable").classList.remove("hidden");
-}
-
-// 清除积分
-function clearScores() {
-    students.forEach(student => {
-        student.score = 0; // 清除积分
-    });
-    saveScores(); // 保存清空后的数据
-    updateRanking(); // 更新排行榜
-}
-
-// 页面加载时，加载学生数据
-window.onload = function() {
-    loadSavedScores();
-};