diff --git a/index.js b/index.js
deleted file mode 100644
index 4d08617..0000000
--- a/index.js
+++ /dev/null
@@ -1,210 +0,0 @@
-let originalData = [];
-let updatedData = [];
-let workbook;
-let sheetName;
-let skippedStudents = [];
-// 导入学生名单
-document.getElementById('excelFileInput').addEventListener('change', function (e) {
-    var file = e.target.files[0];
-    if (!file) {
-        return;
-    }
-    var reader = new FileReader();
-    reader.onload = function (e) {
-        var data = new Uint8Array(e.target.result);
-        workbook = XLSX.read(data, { type: 'array' });
-        sheetName = workbook.SheetNames[0];
-        var worksheet = workbook.Sheets[sheetName];
-        originalData = XLSX.utils.sheet_to_json(worksheet);
-        updatedData = JSON.parse(JSON.stringify(originalData));
-        var displayDiv = document.getElementById('excelDataDisplay');
-        // 添加表头
-        displayDiv.innerHTML = '<div style="display: flex; justify-content: space-between;"><span>学号</span><span>姓名</span><span>积分</span></div>';
-        updatedData.forEach(function (row) {
-            var rowDiv = document.createElement('div');
-            Object.keys(row).forEach(key => {
-                var cellDiv = document.createElement('span');
-                cellDiv.textContent = row[key] + ' ';
-                rowDiv.appendChild(cellDiv);
-            });
-            displayDiv.appendChild(rowDiv);
-        });
-    };
-    reader.readAsArrayBuffer(file);
-});
-
-// 点名按钮
-document.getElementById('callButton').addEventListener('click', function () {
-    // 去除上一次的高亮
-    var displayDiv = document.getElementById('excelDataDisplay');
-    Array.from(displayDiv.children).forEach(child => child.style.backgroundColor = '');
-
-    // 过滤掉因上次回答问题得分超过2.5而跳过的学生
-    let eligibleStudents = updatedData.filter(student => !skippedStudents.includes(student));
-
-    // 计算总积分
-    let totalPoints = eligibleStudents.reduce((acc, student) => {
-        let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-        return acc + (pointsKey ? parseInt(student[pointsKey]) : 0);
-    }, 0);
-
-    // 确保总积分不为零
-    if (totalPoints === 0) {
-        // 如果总积分为零，可以随机选择一个学生或者采取其他处理方式
-        let randomIndex = Math.floor(Math.random() * eligibleStudents.length);
-        let selectedStudent = eligibleStudents[randomIndex];
-        var displayDiv = document.getElementById('excelDataDisplay');
-        var rows = Array.from(displayDiv.children).slice(1);
-        var selectedRow = rows.find(row => row.querySelector('span').textContent.trim() === selectedStudent[Object.keys(selectedStudent)[0]]);
-        selectedRow.style.backgroundColor = 'lightblue';
-        // 获取选中行的学号和姓名并显示在主页面
-        var studentInfo = selectedRow.querySelectorAll('span');
-        var studentId = studentInfo[0].textContent.trim();
-        var studentName = studentInfo[1].textContent.trim();
-        var selectedStudentDiv = document.getElementById('selectedStudentInfo');
-        selectedStudentDiv.innerHTML = `<p>点到的学生学号：${studentId}，姓名：${studentName}</p>`;
-        return;
-    }
-
-    // 计算每个学生被选中的概率（总积分越高，被点到的概率越低）
-    let probabilities = eligibleStudents.map(student => {
-        let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-        let studentPoints = pointsKey ? parseInt(student[pointsKey]) : 0;
-        return 1 / (studentPoints + 1) / totalPoints;
-    });
-
-    // 使用 Math.random 和 Date.now 作为种子
-    let randomValue = Math.random() + Date.now() % 1000 / 1000;
-    let cumulativeProbability = 0;
-    let selectedStudent;
-    for (let i = 0; i < eligibleStudents.length; i++) {
-        cumulativeProbability += probabilities[i];
-        if (randomValue < cumulativeProbability) {
-            selectedStudent = eligibleStudents[i];
-            break;
-        }
-    }
-
-    if (selectedStudent) {
-        var displayDiv = document.getElementById('excelDataDisplay');
-        var rows = Array.from(displayDiv.children).slice(1);
-        var selectedRow = rows.find(row => row.querySelector('span').textContent.trim() === selectedStudent[Object.keys(selectedStudent)[0]]);
-        selectedRow.style.backgroundColor = 'lightblue';
-        // 获取选中行的学号和姓名并显示在主页面
-        var studentInfo = selectedRow.querySelectorAll('span');
-        var studentId = studentInfo[0].textContent.trim();
-        var studentName = studentInfo[1].textContent.trim();
-        var selectedStudentDiv = document.getElementById('selectedStudentInfo');
-        selectedStudentDiv.innerHTML = `<p>点到的学生学号：${studentId}，姓名：${studentName}</p>`;
-    }
-});
-
-// 到达教室按钮
-document.getElementById('arriveClassroom').addEventListener('click', function () {
-    var displayDiv = document.getElementById('excelDataDisplay');
-    var rows = Array.from(displayDiv.children).slice(1);
-    if (rows.length > 0) {
-        var selectedRow = rows.find(row => row.style.backgroundColor === 'lightblue');
-        if (selectedRow) {
-            var studentInfo = selectedRow.querySelectorAll('span');
-            var studentId = studentInfo[0].textContent.trim();
-            var studentName = studentInfo[1].textContent.trim();
-            // 查找对应的学生并增加积分
-            var student = updatedData.find(student => student[Object.keys(student)[0]] === studentId && student[Object.keys(student)[1]] === studentName);
-            if (student) {
-                let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-                if (pointsKey) {
-                    student[pointsKey] = parseFloat(student[pointsKey]) + 1;
-                    // 更新显示
-                    var rowSpans = selectedRow.querySelectorAll('span');
-                    rowSpans[rowSpans.length - 1].textContent = student[pointsKey];
-                }
-            }
-        }
-    }
-});
-
-// 准确重复所提问的问题
-document.getElementById('repeatedQuestionYes').addEventListener('click', function () {
-    var displayDiv = document.getElementById('excelDataDisplay');
-    var rows = Array.from(displayDiv.children).slice(1);
-    if (rows.length > 0) {
-        var selectedRow = rows.find(row => row.style.backgroundColor === 'lightblue');
-        if (selectedRow) {
-            var studentInfo = selectedRow.querySelectorAll('span');
-            var studentId = studentInfo[0].textContent.trim();
-            var studentName = studentInfo[1].textContent.trim();
-            // 查找对应的学生并增加积分
-            var student = updatedData.find(student => student[Object.keys(student)[0]] === studentId && student[Object.keys(student)[1]] === studentName);
-            if (student) {
-                let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-                if (pointsKey) {
-                    student[pointsKey] = parseFloat(student[pointsKey]) + 0.5;
-                    // 更新显示
-                    var rowSpans = selectedRow.querySelectorAll('span');
-                    rowSpans[rowSpans.length - 1].textContent = student[pointsKey];
-                }
-            }
-        }
-    }
-});
-
-// 不能准确重复所提问的问题
-document.getElementById('repeatedQuestionNo').addEventListener('click', function () {
-    var displayDiv = document.getElementById('excelDataDisplay');
-    var rows = Array.from(displayDiv.children).slice(1);
-    if (rows.length > 0) {
-        var selectedRow = rows.find(row => row.style.backgroundColor === 'lightblue');
-        if (selectedRow) {
-            var studentInfo = selectedRow.querySelectorAll('span');
-            var studentId = studentInfo[0].textContent.trim();
-            var studentName = studentInfo[1].textContent.trim();
-            // 查找对应的学生并减少积分
-            var student = updatedData.find(student => student[Object.keys(student)[0]] === studentId && student[Object.keys(student)[1]] === studentName);
-            if (student) {
-                let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-                if (pointsKey) {
-                    student[pointsKey] = parseFloat(student[pointsKey]) - 1;
-                    // 更新显示
-                    var rowSpans = selectedRow.querySelectorAll('span');
-                    rowSpans[rowSpans.length - 1].textContent = student[pointsKey];
-                }
-            }
-        }
-    }
-});
-
-// 增加自定义分数
-document.getElementById('addScoreButton').addEventListener('click', function () {
-    var inputScore = parseFloat(document.getElementById('addScoreInput').value);
-    if (inputScore >= 0.5 && inputScore <= 3 && !isNaN(inputScore)) {
-        var displayDiv = document.getElementById('excelDataDisplay');
-        var rows = Array.from(displayDiv.children).slice(1);
-        if (rows.length > 0) {
-            var selectedRow = rows.find(row => row.style.backgroundColor === 'lightblue');
-            if (selectedRow) {
-                var studentInfo = selectedRow.querySelectorAll('span');
-                var studentId = studentInfo[0].textContent.trim();
-                var studentName = studentInfo[1].textContent.trim();
-                // 查找对应的学生并增加积分
-                var student = updatedData.find(student => student[Object.keys(student)[0]] === studentId && student[Object.keys(student)[1]] === studentName);
-                if (student) {
-                    let pointsKey = Object.keys(student).find(key => key.includes('积分'));
-                    if (pointsKey) {
-                        student[pointsKey] = parseFloat(student[pointsKey]) + inputScore;
-                        // 更新显示
-                        var rowSpans = selectedRow.querySelectorAll('span');
-                        rowSpans[rowSpans.length - 1].textContent = student[pointsKey];
-
-                        // 如果得分超过 2.5 分，将该学生加入跳过列表
-                        if (student[pointsKey] > 2.5) {
-                            skippedStudents.push(student);
-                        }
-                    }
-                }
-            }
-        }
-    } else {
-        alert('输入的分数应在 0.5 到 3 之间且为有效数字。');
-    }
-});
\ No newline at end of file