diff --git a/src/mathProblem.cpp b/src/mathProblem.cpp
deleted file mode 100644
index 8f78904..0000000
--- a/src/mathProblem.cpp
+++ /dev/null
@@ -1,403 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <vector>
-#include <map>
-#include <sstream>
-#include <ctime>
-#include <cstdlib>
-#include <cmath>
-
-using namespace std; 
-
-
-// 数学题目基类
-class MathProblem {
-protected:
-    vector<string> generatedProblems;//存储生成过的题目 
-    
-    int randInt(int min, int max) {//生成min-max范围的随机整数 
-        return min + rand() % (max - min + 1);
-    }
-    
-    bool isProblemExists(const string& problem) {
-        for (size_t i = 0; i < generatedProblems.size(); i++) {//循环，判断题目是否已经存在 
-            if (generatedProblems[i] == problem) {return true;}
-        }
-        return false;
-    }
-    
-public:
-    MathProblem() {}
-    virtual ~MathProblem() {}
-    
-    virtual string generateProblem() = 0;
-    
-    vector<string> generateProblems(int count) { //题目生成 
-        vector<string> problems;
-        int attempts = 0;
-        const int MAX_ATTEMPTS = 1000;
-        
-        while (problems.size() < count && attempts < MAX_ATTEMPTS) {
-            string problem = generateProblem();
-            if (!isProblemExists(problem)) {
-                problems.push_back(problem);
-                generatedProblems.push_back(problem);
-            }
-            attempts++;
-        }
-        return problems;
-    }
-    
-    void clear() {
-        generatedProblems.clear();
-    }
-};
-
-// 小学题目生成器
-class PrimaryMath : public MathProblem {
-private:
-    char getOperator() {
-        char operators[] = {'+', '-', '*', '/'};
-        return operators[rand() % 4];
-    }
-    
-    string Expression(int numCount) {
-        stringstream expr;
-        for (int i = 0; i < numCount; i++) {
-            expr << randInt(1, 100);
-            if (i < numCount - 1) {
-                expr << " " << getOperator() << " ";
-            }
-        }
-        return expr.str();
-    }
-    
-    string addParentheses(const string& expr, int numCount) {
-        if (numCount > 2 && randInt(0, 1)) {
-            if (numCount == 3) {
-                if (randInt(0, 1)) {
-                    return "(" + expr + ")";
-                }
-            } else {
-                stringstream result;
-                int splitPoint = randInt(1, numCount-1);
-                result << "(";
-                for (int i = 0; i < splitPoint; i++) {
-                    result << randInt(1, 100);
-                    if (i < splitPoint - 1) {
-                        result << " " << getOperator() << " ";
-                    }
-                }
-                result << ") " << getOperator() << " ";
-                for (int i = splitPoint; i < numCount; i++) {
-                    result << randInt(1, 100);
-                    if (i < numCount - 1) {
-                        result << " " << getOperator() << " ";
-                    }
-                }
-                return result.str();
-            }
-        }
-        return expr;
-    }
-    
-public:
-    string generateProblem() {
-        int numCount = randInt(2, 5);
-        stringstream problem;
-        
-        string expression = Expression(numCount);
-        expression = addParentheses(expression, numCount);
-        problem << expression << " = ";
-        
-        return problem.str();
-    }
-};
-
-// 初中题目生成器
-class JuniorMath : public MathProblem {
-private:
-    char getOperator() {
-        char operators[] = {'+', '-', '*', '/'};
-        return operators[rand() % 4];
-    }
-    
-    string Expression(bool& hasAdvancedOp) {
-        stringstream part;
-        if (!hasAdvancedOp && randInt(0, 1)) {
-            if (randInt(0, 1)) {
-                part << randInt(1, 10) << "^2";  // 使用^2表示平方 
-            } else {
-                part << "√" << randInt(1, 100);
-            }
-            hasAdvancedOp = true;
-        } else {
-            part << randInt(1, 100);
-        }
-        return part.str();
-    }
-    
-    string addOperator(const string& expr, bool hasAdvancedOp) {
-        if (!hasAdvancedOp) {
-            if (randInt(0, 1)) {
-                return "(" + expr + ")^2";
-            } else {
-                return "√(" + expr + ")";
-            }
-        }
-        return expr;
-    }
-    
-public:
-    string generateProblem() {
-        int numCount = randInt(2, 5);
-        stringstream problem;
-        bool hasAdvancedOp = false;
-        
-        for (int i = 0; i < numCount; i++) {
-            problem << Expression(hasAdvancedOp);
-            if (i < numCount - 1) {
-                problem << " " << getOperator() << " ";
-            }
-        }
-        
-        string expression = problem.str();
-        expression = addOperator(expression, hasAdvancedOp);
-        
-        stringstream finalProblem;
-        finalProblem << expression << " = ";
-        return finalProblem.str();
-    }
-};
-
-// 高中题目生成器
-class SeniorMath : public MathProblem {
-private:
-    char getOperator() {
-        char operators[] = {'+', '-', '*', '/'};
-        return operators[rand() % 4];
-    }
-    
-    string getTrigFunction() {
-        string functions[] = {"sin", "cos", "tan"};
-        return functions[rand() % 3];
-    }
-    
-    string Expression(bool& hasTrigOp) {
-        stringstream part;
-        if (!hasTrigOp && randInt(0, 1)) {
-            part << getTrigFunction() << "(" << randInt(1, 100) << ")";
-            hasTrigOp = true;
-        } else {
-            part << randInt(1, 100);
-        }
-        return part.str();
-    }
-    
-    string addTrigFunction(const string& expr, bool hasTrigOp) {
-        if (!hasTrigOp) {
-            return getTrigFunction() + "(" + expr + ")";
-        }
-        return expr;
-    }
-    
-public:
-    string generateProblem() {
-        int numCount = randInt(2, 5);
-        stringstream problem;
-        bool hasTrigOp = false;
-        
-        for (int i = 0; i < numCount; i++) {
-            problem << Expression(hasTrigOp);
-            if (i < numCount - 1) {
-                problem << " " << getOperator() << " ";
-            }
-        }
-        
-        string expression = problem.str();
-        expression = addTrigFunction(expression, hasTrigOp);
-        
-        stringstream finalProblem;
-        finalProblem << expression << " = ";
-        return finalProblem.str();
-    }
-};
-
-struct Account {
-	
-    string username;
-    string password;
-    string type;
-};
-
-vector<Account> accounts;
-MathProblem* currentGenerator = NULL;
-string nowUserType = "";
-string nowUsername = "";
-
-bool Verify(const string& username, const string& password, string& userType);  //账号验证函数 
-void createFolder(const string& username);//创建用户文件夹 
-string getTimestamp();//获取时间戳 
-void saveToFile(const vector<string>& problems, const string& username);//保存题目到文件夹中 
-void Login();//用户登录 
-void ProblemGeneration_Menu();//题目生成过程菜单 
-void TypeSwitching();//类型转换 
-
-
-bool Verify(const string& username, const string& password, string& userType) { 
-    for (size_t i = 0; i < accounts.size(); i++) {
-        if (accounts[i].username == username && accounts[i].password == password) { //检验账号密码是否正确，正确的话就提取账号类型 
-            userType = accounts[i].type;
-            return true;
-        }
-    }
-    return false;
-}
-
-// 创建用户文件夹
-void createFolder(const string& username) {
-    string folderName = username + "_papers";
-    string command = "mkdir \"" + folderName + "\" 2>nul";
-    system(command.c_str());
-}
-
-// 获取当前时间戳
-string getTimestamp() {
-    time_t now = time(NULL);
-    struct tm* timeinfo = localtime(&now);
-    char filename[100];
-    strftime(filename, sizeof(filename), "%Y-%m-%d-%H-%M-%S.txt", timeinfo);
-    return string(filename);
-}
-
-// 保存题目到文件
-void saveToFile(const vector<string>& problems, const string& username) {
-    createFolder(username);
-    string filename = getTimestamp();
-    string fullPath = username + "_papers/" + filename;
-    
-    cout << "正在保存文件到: " << fullPath << endl;
-    
-    ofstream file(fullPath.c_str());
-    if (file.is_open()) {
-        for (size_t i = 0; i < problems.size(); i++) {
-            file << (i + 1) << ". " << problems[i] << "\n\n";
-        }
-        file.close();
-        cout << "题目已成功保存到: " << fullPath << endl;
-    } else {
-        cout << "错误：无法创建文件 " << fullPath << endl;
-    }
-}
-
-// 创建题目生成器
-MathProblem* createGeneratorByType(const string& type) {
-    if (type == "小学") return new PrimaryMath();
-    else if (type == "初中") return new JuniorMath();
-    else if (type == "高中") return new SeniorMath();
-    return NULL;
-}
-
-// 处理类型切换
-void TypeSwitching() {
-    cout << "如需切换类型，请输入\"切换为XX\"（XX为小学、初中、高中），直接按回车继续当前模式: ";
-    cin.ignore();
-    string input;
-    getline(cin, input);
-    if (input.empty()) {
-        cout << "继续使用当前" << nowUserType << "出题模式" << endl;
-        return;
-    }
-    string newType = input.substr(6);
-        
-        if (newType == "小学" || newType == "初中" || newType == "高中") {
-            nowUserType = newType;
-            if (currentGenerator) {
-                delete currentGenerator;
-                currentGenerator = createGeneratorByType(newType);
-            }
-            
-            cout << "已切换为" << newType << "出题模式" << endl;
-        } else {
-            cout << "请输入小学、初中和高中三个选项中的一个" << endl;
-        }
-}
-
-// 处理用户登录
-void Login() {
-    string username, password;
-    
-    while (true) {
-    	cout << "===== 中小学数学卷子自动生成程序 =====" << endl;
-        cout << "请输入用户名和密码（用空格隔开）: ";
-        cin >> username >> password;
-        
-        string userType;
-        if (Verify(username, password, userType)) {
-            nowUsername = username;
-            nowUserType = userType;
-            
-            if (currentGenerator) delete currentGenerator;
-            currentGenerator = createGeneratorByType(userType);
-            
-            cout << "当前选择为" << userType << "出题" << endl;
-            break;
-        } else {
-            cout << "请输入正确的用户名、密码" << endl;
-        }
-    }
-}
-
-// 处理题目生成过程
-void ProblemGeneration_Menu() {
-    while (true) {
-        cout << "准备生成" << nowUserType << "数学题目，请输入生成题目数量（10-30，-1退出）: ";
-        int count;
-        cin >> count;
-        
-        if (count == -1) {
-            if (currentGenerator) currentGenerator->clear();
-            cout<< "已退出程序，请重新登录" <<endl;
-            system("cls");
-            Login();
-            continue;
-        }
-        
-        if (count < 10 || count > 30) {
-            cout << "题目数量应在10-30之间" << endl;
-            continue;
-        }
-        
-        vector<string> problems = currentGenerator->generateProblems(count);
-        saveToFile(problems, nowUsername);
-        
-        // 类型切换功能调用
-        TypeSwitching();
-    }
-}
-
-// 主函数
-int main() {
-    srand(time(NULL));
-    accounts.push_back((Account){"张三1", "123", "小学"});
-    accounts.push_back((Account){"张三2", "123", "小学"});
-    accounts.push_back((Account){"张三3", "123", "小学"});
-    
-    accounts.push_back((Account){"李四1", "123", "初中"});
-    accounts.push_back((Account){"李四2", "123", "初中"});
-    accounts.push_back((Account){"李四3", "123", "初中"});
-    
-    accounts.push_back((Account){"王五1", "123", "高中"});
-    accounts.push_back((Account){"王五2", "123", "高中"});
-    accounts.push_back((Account){"王五3", "123", "高中"});
-    
-    
-    Login();
-    ProblemGeneration_Menu();
-    
-    if (currentGenerator) delete currentGenerator;
-    
-    cout << "程序结束，感谢使用！" << endl;
-    return 0;
-}