diff --git a/app/__init__.py b/app/__init__.py
index e69de29..324f0a4 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -0,0 +1,37 @@
+from flask import Flask, request, session
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from flask_login import LoginManager
+from flask_babel import Babel
+from app.config import Config
+import os
+
+db = SQLAlchemy()
+migrate = Migrate()
+login_manager = LoginManager()
+login_manager.login_view = 'auth.login'
+babel = Babel()
+
+
+def create_app(config_class=Config):
+    app = Flask(__name__, template_folder='../templates', static_folder='../static')
+    app.config.from_object(config_class)
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+    login_manager.init_app(app)
+    babel.init_app(app)
+
+    from app.routes import main_bp, auth_bp
+    app.register_blueprint(main_bp)
+    app.register_blueprint(auth_bp, url_prefix='/auth')
+
+    @babel.localeselector
+    def get_locale():
+        # 如果用户已经选择了语言，从session中获取
+        if 'language' in session:
+            return session['language']
+        # 否则尝试匹配请求的语言
+        return request.accept_languages.best_match(app.config['LANGUAGES'])
+
+    return app
\ No newline at end of file
diff --git a/app/config.py b/app/config.py
index e69de29..379f51b 100644
--- a/app/config.py
+++ b/app/config.py
@@ -0,0 +1,8 @@
+import os
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY') or 'dev-key-should-be-changed'
+    SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://study_platform:sumkimadmin@27.124.22.104:3306/study_platform'
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    LANGUAGES = ['en', 'zh']
+    DEFAULT_LANGUAGE = 'zh'
diff --git a/app/forms.py b/app/forms.py
index e69de29..fd85dea 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -0,0 +1,87 @@
+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, BooleanField, SubmitField
+from wtforms.validators import DataRequired, Email, EqualTo, Length, ValidationError
+from app.models import User
+
+
+class LoginForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    remember_me = BooleanField('Remember Me')
+    submit = SubmitField('Sign In')
+
+
+class RegistrationForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    username = StringField('Username', validators=[DataRequired()])
+    password = PasswordField('Password', validators=[
+        DataRequired(),
+        Length(min=8, message='Password must be at least 8 characters long')
+    ])
+    password2 = PasswordField('Repeat Password', validators=[
+        DataRequired(),
+        EqualTo('password', message='Passwords must match')
+    ])
+    submit = SubmitField('Register')
+
+    def validate_email(self, email):
+        user = User.query.filter_by(email=email.data).first()
+        if user is not None:
+            raise ValidationError('Email already registered.')
+
+
+class ResetPasswordRequestForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    submit = SubmitField('Request Password Reset')
+
+
+class ResetPasswordForm(FlaskForm):
+    password = PasswordField('New Password', validators=[
+        DataRequired(),
+        Length(min=8, message='Password must be at least 8 characters long')
+    ])
+    password2 = PasswordField('Repeat Password', validators=[
+        DataRequired(),
+        EqualTo('password', message='Passwords must match')
+    ])
+    submit = SubmitField('Reset Password')
+
+
+class EmailVerificationForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    submit = SubmitField('发送验证码')
+
+    def validate_email(self, email):
+        user = User.query.filter_by(email=email.data).first()
+        if user is not None:
+            raise ValidationError('该邮箱已被注册')
+
+        # 验证邮箱是否属于允许的域名
+        if not email.data.endswith('@sq0715.com'):
+            pass  # 可以在这里添加邮箱域名限制逻辑
+
+
+class RegistrationForm(FlaskForm):
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    verification_code = StringField('验证码', validators=[DataRequired(), Length(min=6, max=6)])
+    username = StringField('用户名', validators=[DataRequired()])
+    password = PasswordField('密码', validators=[
+        DataRequired(),
+        Length(min=8, message='密码至少需要8个字符')
+    ])
+    password2 = PasswordField('确认密码', validators=[
+        DataRequired(),
+        EqualTo('password', message='两次输入的密码必须匹配')
+    ])
+    submit = SubmitField('注册')
+
+    def validate_email(self, email):
+        user = User.query.filter_by(email=email.data).first()
+        if user is not None:
+            raise ValidationError('该邮箱已被注册')
+
+    def validate_verification_code(self, verification_code):
+        from app.utils.email import verify_code
+
+        if not verify_code(self.email.data, verification_code.data):
+            raise ValidationError('验证码无效或已过期')
\ No newline at end of file
diff --git a/app/models.py b/app/models.py
index e69de29..4d323e5 100644
--- a/app/models.py
+++ b/app/models.py
@@ -0,0 +1,45 @@
+from app import db, login_manager
+from flask_login import UserMixin
+from werkzeug.security import generate_password_hash, check_password_hash
+from datetime import datetime
+import uuid
+from datetime import datetime, timedelta
+
+@login_manager.user_loader
+def load_user(user_id):
+    return User.query.get(user_id)
+
+
+# 添加验证码模型
+class VerificationCode(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    email = db.Column(db.String(120), nullable=False)
+    code = db.Column(db.String(10), nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    expires_at = db.Column(db.DateTime, default=lambda: datetime.utcnow() + timedelta(minutes=10))
+    is_used = db.Column(db.Boolean, default=False)
+
+    @property
+    def is_expired(self):
+        return datetime.utcnow() > self.expires_at
+class User(UserMixin, db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    email = db.Column(db.String(120), unique=True, nullable=False)
+    username = db.Column(db.String(64), nullable=False)
+    password_hash = db.Column(db.String(128))
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    last_login = db.Column(db.DateTime)
+    is_active = db.Column(db.Boolean, default=True)
+    language = db.Column(db.String(2), default='zh')
+    theme = db.Column(db.String(10), default='light')
+    reset_token = db.Column(db.String(36), unique=True)
+
+    def set_password(self, password):
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password):
+        return check_password_hash(self.password_hash, password)
+
+    def generate_reset_token(self):
+        self.reset_token = str(uuid.uuid4())
+        return self.reset_token
diff --git a/app/routes.py b/app/routes.py
index e69de29..3834093 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -0,0 +1,290 @@
+from flask import Blueprint, render_template, redirect, url_for, flash, request, session, jsonify
+from flask_login import login_user, logout_user, current_user, login_required
+from werkzeug.urls import url_parse
+from app import db
+from app.models import User
+from app.forms import LoginForm, RegistrationForm, ResetPasswordRequestForm, ResetPasswordForm
+from app.translations import get_text
+from datetime import datetime
+from app.utils.email import generate_verification_code, send_verification_email, save_verification_code
+from app.forms import EmailVerificationForm, RegistrationForm
+import re
+from flask import send_file
+from PIL import Image, ImageDraw
+import io
+from flask import current_app as app
+
+main_bp = Blueprint('main', __name__)
+auth_bp = Blueprint('auth', __name__)
+
+
+# 辅助函数
+def _get_translation(key):
+    lang = session.get('language', 'zh')
+    return get_text(key, lang)
+
+
+# 主页路由
+@main_bp.route('/')
+def index():
+    if not current_user.is_authenticated:
+        return redirect(url_for('auth.login'))
+    return render_template('main/index.html')
+
+
+# 切换语言
+@main_bp.route('/language/<lang>')
+def set_language(lang):
+    # 确保只接受有效的语言
+    if lang in ['zh', 'en']:
+        session['language'] = lang
+        if current_user.is_authenticated:
+            current_user.language = lang
+            db.session.commit()
+
+    # 确保重定向回正确的页面
+    next_page = request.args.get('next') or request.referrer or url_for('main.index')
+    return redirect(next_page)
+
+
+# 切换主题
+@main_bp.route('/theme/<theme>')
+def set_theme(theme):
+    if theme not in ['light', 'dark']:
+        theme = 'light'
+    session['theme'] = theme
+    if current_user.is_authenticated:
+        current_user.theme = theme
+        db.session.commit()
+    next_page = request.args.get('next') or request.referrer or url_for('main.index')
+    return redirect(next_page)
+
+
+# 认证路由
+@auth_bp.route('/login', methods=['GET', 'POST'])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(email=form.email.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash(_get_translation('invalid_credentials'))
+            return redirect(url_for('auth.login'))
+
+        login_user(user, remember=form.remember_me.data)
+
+        # 更新最后登录时间
+        user.last_login = datetime.utcnow()
+        db.session.commit()
+
+        # 同步用户的语言和主题设置
+        session['language'] = user.language
+        session['theme'] = user.theme
+
+        flash(_get_translation('login_success'))
+
+        next_page = request.args.get('next')
+        if not next_page or url_parse(next_page).netloc != '':
+            next_page = url_for('main.index')
+        return redirect(next_page)
+
+    # 添加对模板的函数
+    def _(key):
+        return _get_translation(key)
+
+    return render_template('auth/login.html', form=form, _=_, hide_language_switch=True, hide_theme_switch=True)
+
+
+@auth_bp.route('/register', methods=['GET', 'POST'])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+
+    email_form = EmailVerificationForm()
+    registration_form = RegistrationForm()
+
+    # 处理发送验证码请求
+    if 'send_code' in request.form and email_form.validate_on_submit():
+        email = email_form.email.data
+        code = generate_verification_code()
+
+        # 保存验证码
+        save_verification_code(email, code)
+
+        # 发送验证码邮件
+        if send_verification_email(email, code):
+            flash(_get_translation('verification_code_sent'))
+
+            # 将邮箱保存到表单，用于下一步注册
+            return render_template(
+                'auth/register.html',
+                email_form=email_form,
+                registration_form=registration_form,
+                email_verified=True,
+                verified_email=email
+            )
+        else:
+            flash(_get_translation('email_send_failed'))
+
+    # 处理注册表单提交
+    if 'register' in request.form and registration_form.validate_on_submit():
+        user = User(
+            email=registration_form.email.data,
+            username=registration_form.username.data,
+            language=session.get('language', 'zh'),
+            theme=session.get('theme', 'light')
+        )
+        user.set_password(registration_form.password.data)
+        db.session.add(user)
+        db.session.commit()
+
+        flash(_get_translation('account_created'))
+        return redirect(url_for('auth.login'))
+
+    # 检查是否有保存的已验证邮箱
+    email_verified = False
+    verified_email = request.args.get('email', '')
+
+    if verified_email:
+        email_verified = True
+        registration_form.email.data = verified_email
+
+    # 添加对模板的函数
+    def _(key):
+        return _get_translation(key)
+
+    return render_template(
+        'auth/register.html',
+        email_form=email_form,
+        registration_form=registration_form,
+        email_verified=email_verified,
+        verified_email=verified_email,
+        _=_,
+        hide_language_switch=True,
+        hide_theme_switch=True
+    )
+
+
+@auth_bp.route('/send_verification_code', methods=['POST'])
+def send_verification_code():
+    try:
+        email = request.form.get('email')
+
+        if not email or not re.match(r'[^@]+@[^@]+\.[^@]+', email):
+            return jsonify({'success': False, 'message': _get_translation('invalid_email')})
+
+        # 检查邮箱是否已被注册
+        try:
+            if User.query.filter_by(email=email).first():
+                return jsonify({'success': False, 'message': _get_translation('email_already_registered')})
+        except Exception as e:
+            app.logger.error(f"数据库查询错误: {str(e)}")
+            return jsonify({'success': False, 'message': _get_translation('server_error')})
+
+        # 生成并保存验证码
+        try:
+            code = generate_verification_code()
+            save_verification_code(email, code)
+        except Exception as e:
+            app.logger.error(f"验证码保存错误: {str(e)}")
+            return jsonify({'success': False, 'message': _get_translation('server_error')})
+
+        # 发送验证码邮件
+        try:
+            if send_verification_email(email, code):
+                return jsonify({'success': True, 'message': _get_translation('verification_code_sent')})
+            else:
+                return jsonify({'success': False, 'message': _get_translation('email_send_failed')})
+        except Exception as e:
+            app.logger.error(f"邮件发送错误: {str(e)}")
+            return jsonify({'success': False, 'message': _get_translation('email_send_failed')})
+    except Exception as e:
+        app.logger.error(f"验证码发送路由错误: {str(e)}")
+        return jsonify({'success': False, 'message': _get_translation('server_error')})
+
+
+@auth_bp.route('/reset_password_request', methods=['GET', 'POST'])
+def reset_password_request():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+
+    form = ResetPasswordRequestForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(email=form.email.data).first()
+        if user:
+            token = user.generate_reset_token()
+            db.session.commit()
+
+            # 这里应该发送邮件，但目前只是模拟
+            # 实际项目中需要集成邮件发送功能
+            flash(_get_translation('password_reset_sent'))
+
+            # 用于演示，实际项目中应该通过邮件发送这个链接
+            reset_url = url_for('auth.reset_password', token=token, _external=True)
+            print(f"Password reset URL: {reset_url}")
+
+        return redirect(url_for('auth.login'))
+
+    return render_template('auth/reset_password_request.html', form=form)
+
+
+@auth_bp.route('/reset_password/<token>', methods=['GET', 'POST'])
+def reset_password(token):
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+
+    user = User.query.filter_by(reset_token=token).first()
+    if not user:
+        flash(_get_translation('invalid_reset_token'))
+        return redirect(url_for('auth.login'))
+
+    form = ResetPasswordForm()
+    if form.validate_on_submit():
+        user.set_password(form.password.data)
+        user.reset_token = None
+        db.session.commit()
+        flash(_get_translation('password_reset_success'))
+        return redirect(url_for('auth.login'))
+
+    return render_template('auth/reset_password.html', form=form)
+
+
+@auth_bp.route('/logout')
+@login_required
+def logout():
+    logout_user()
+    return redirect(url_for('auth.login'))
+
+
+@main_bp.route('/api/placeholder/<width>/<height>')
+def placeholder(width, height):
+    """生成并返回指定尺寸的占位图像"""
+    try:
+        width = int(width)
+        height = int(height)
+    except ValueError:
+        width = 100
+        height = 100
+
+    # 限制最大尺寸
+    width = min(width, 1200)
+    height = min(height, 1200)
+
+    # 创建简单的占位图
+    img = Image.new('RGB', (width, height), color=(220, 220, 220))
+    d = ImageDraw.Draw(img)
+
+    # 绘制边框
+    d.rectangle([0, 0, width - 1, height - 1], outline=(200, 200, 200))
+
+    # 绘制文本
+    text = f"{width}x{height}"
+
+    # 将图像转换为字节流
+    img_byte_arr = io.BytesIO()
+    img.save(img_byte_arr, format='PNG')
+    img_byte_arr.seek(0)
+
+    return send_file(img_byte_arr, mimetype='image/png')
\ No newline at end of file
diff --git a/app/translations.py b/app/translations.py
new file mode 100644
index 0000000..0bde8e5
--- /dev/null
+++ b/app/translations.py
@@ -0,0 +1,125 @@
+translations = {
+    'en': {
+        'login': 'Login',
+        'register': 'Register',
+        'forgot_password': 'Forgot Password?',
+        'email': 'Email',
+        'password': 'Password',
+        'remember_me': 'Remember Me (7 days)',
+        'sign_in': 'Sign In',
+        'username': 'Username',
+        'repeat_password': 'Repeat Password',
+        'reset_password': 'Reset Password',
+        'submit': 'Submit',
+        'welcome': 'Welcome to Study Platform',
+        'welcome_back': 'Welcome back, please log in to your account',
+        'switch_language': 'Switch Language',
+        'switch_theme': 'Switch Theme',
+        'logout': 'Logout',
+        'my_dashboard': 'My Dashboard',
+        'network_drive': 'Network Drive',
+        'email_system': 'Email System',
+        'code_compiler': 'Code Compiler',
+        'file_submission': 'File Submission',
+        'video_platform': 'Video Platform',
+        'blog_space': 'Blog Space',
+        'ai_platform': 'AI Platform',
+        'code_repository': 'Code Repository',
+        'password_reset_sent': 'Check your email for password reset instructions',
+        'invalid_reset_token': 'Invalid or expired token',
+        'password_reset_success': 'Your password has been reset',
+        'account_created': 'Account created successfully! You can now log in',
+        'login_success': 'Login successful',
+        'account_login': 'Account Login',
+        'qr_login': 'QR Code Login',
+        'email_placeholder': 'Please enter your email',
+        'password_placeholder': 'Please enter your password',
+        'other_login_methods': 'Other Login Methods',
+        'wechat_login': 'WeChat Login',
+        'qq_login': 'QQ Login',
+        'scan_qr_code': 'Please scan the QR code to log in',
+        'email_required': 'Email is required',
+        'invalid_email': 'Invalid email format',
+        'password_required': 'Password is required',
+        'password_too_short': 'Password must be at least 8 characters',
+        'no_account': 'Don\'t have an account?',
+        'privacy_policy': 'Privacy Policy',
+        'terms_of_service': 'Terms of Service',
+        'verification_code': 'Verification Code',
+        'send_verification_code': 'Send Verification Code',
+        'verification_code_sent': 'Verification code has been sent to your email',
+        'email_send_failed': 'Failed to send email, please try again later',
+        'email_already_registered': 'This email is already registered',
+        'resend_code': 'Resend Code',
+        'email_verification': 'Email Verification',
+        'next_step': 'Next Step',
+        'back': 'Back',
+        'account_info': 'Account Information',
+        'registration_success': 'Registration Successful',
+        'verification_code_invalid': 'Invalid verification code',
+        'verification_code_expired': 'Verification code has expired'
+    },
+    'zh': {
+        'verification_code': '验证码',
+        'send_verification_code': '发送验证码',
+        'verification_code_sent': '验证码已发送到您的邮箱',
+        'email_send_failed': '邮件发送失败，请稍后重试',
+        'email_already_registered': '该邮箱已被注册',
+        'resend_code': '重新发送',
+        'email_verification': '邮箱验证',
+        'next_step': '下一步',
+        'back': '返回',
+        'account_info': '账号信息',
+        'registration_success': '注册成功',
+        'verification_code_invalid': '验证码无效',
+        'verification_code_expired': '验证码已过期',
+        'login': '登录',
+        'register': '注册',
+        'forgot_password': '忘记密码？',
+        'email': '邮箱',
+        'password': '密码',
+        'remember_me': '记住我（7天内免登录）',
+        'sign_in': '登录',
+        'username': '用户名',
+        'repeat_password': '确认密码',
+        'reset_password': '重置密码',
+        'submit': '提交',
+        'welcome': '欢迎使用学习平台',
+        'welcome_back': '欢迎回来，请登录您的账户',
+        'switch_language': '切换语言',
+        'switch_theme': '切换主题',
+        'logout': '退出登录',
+        'my_dashboard': '我的面板',
+        'network_drive': '网盘系统',
+        'email_system': '邮箱系统',
+        'code_compiler': '在线代码编译',
+        'file_submission': '文件提交系统',
+        'video_platform': '在线视频网站',
+        'blog_space': '博客空间',
+        'ai_platform': 'AI 平台',
+        'code_repository': '代码仓库',
+        'password_reset_sent': '密码重置邮件已发送，请查收',
+        'invalid_reset_token': '无效或已过期的令牌',
+        'password_reset_success': '密码重置成功',
+        'account_created': '账户创建成功！您现在可以登录',
+        'login_success': '登录成功',
+        'account_login': '账号密码登录',
+        'qr_login': '扫码登录',
+        'email_placeholder': '请输入邮箱地址',
+        'password_placeholder': '请输入密码',
+        'other_login_methods': '其他登录方式',
+        'wechat_login': '微信登录',
+        'qq_login': 'QQ登录',
+        'scan_qr_code': '请扫描二维码登录',
+        'email_required': '邮箱不能为空',
+        'invalid_email': '邮箱格式不正确',
+        'password_required': '密码不能为空',
+        'password_too_short': '密码至少需要8个字符',
+        'no_account': '还没有账号？',
+        'privacy_policy': '隐私政策',
+        'terms_of_service': '服务条款'
+    }
+}
+
+def get_text(key, lang):
+    return translations.get(lang, {}).get(key, key)
\ No newline at end of file
diff --git a/app/utils.py b/app/utils/__init__.py
similarity index 100%
rename from app/utils.py
rename to app/utils/__init__.py
diff --git a/app/utils/email.py b/app/utils/email.py
new file mode 100644
index 0000000..bfd35ec
--- /dev/null
+++ b/app/utils/email.py
@@ -0,0 +1,117 @@
+import smtplib
+import random
+import string
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from flask import current_app, session
+from app import db
+from app.models import VerificationCode
+
+
+# 邮件配置
+EMAIL_CONFIG = {
+    'host': 'mail.sq0715.com',
+    'port': 587,
+    'username': 'sumkim@sq0715.com',
+    'password': 'sumkim0715',
+    'from_email': 'sumkim@sq0715.com',
+    'from_name': 'QINAI_OFFICIAL'
+}
+
+
+def generate_verification_code(length=6):
+    """生成6位数字验证码"""
+    return ''.join(random.choices(string.digits, k=length))
+
+
+def save_verification_code(email, code):
+    """保存验证码到数据库"""
+    # 删除之前的验证码
+    VerificationCode.query.filter_by(email=email).delete()
+    db.session.commit()
+
+    # 创建新验证码记录
+    verification = VerificationCode(email=email, code=code)
+    db.session.add(verification)
+    db.session.commit()
+    return verification
+
+
+
+def verify_code(email, code):
+    """验证验证码是否正确且在有效期内"""
+    verification = VerificationCode.query.filter_by(
+        email=email,
+        code=code,
+        is_used=False
+    ).first()
+
+    if not verification:
+        return False
+
+    # 验证成功后标记为已使用
+    verification.is_used = True
+    db.session.commit()
+    return True
+
+
+def send_verification_email(to_email, code):
+    """发送验证码邮件"""
+    subject = "【高可用学习平台】您的注册验证码"
+
+    # 创建邮件正文，支持HTML格式
+    html_content = f"""
+    <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto; padding: 20px; border: 1px solid #eee; border-radius: 10px; background-color: #f9f9f9;">
+        <h2 style="color: #4a89dc; text-align: center;">高可用学习平台 - 邮箱验证</h2>
+        <p>您好，</p>
+        <p>感谢您注册高可用学习平台。请使用以下验证码完成注册：</p>
+        <div style="background-color: #4a89dc; color: white; font-size: 24px; font-weight: bold; text-align: center; padding: 15px; border-radius: 5px; letter-spacing: 5px; margin: 20px 0;">
+            {code}
+        </div>
+        <p>验证码有效期为10分钟，请尽快完成注册。</p>
+        <p>如果您没有进行注册操作，请忽略此邮件。</p>
+        <p style="margin-top: 30px; padding-top: 10px; border-top: 1px solid #eee; font-size: 12px; color: #666;">
+            此邮件由系统自动发送，请勿直接回复。
+        </p>
+    </div>
+    """
+
+    plain_text = f"""
+    高可用学习平台 - 邮箱验证
+
+    您好，
+
+    感谢您注册高可用学习平台。请使用以下验证码完成注册：
+
+    {code}
+
+    验证码有效期为10分钟，请尽快完成注册。
+
+    如果您没有进行注册操作，请忽略此邮件。
+
+    此邮件由系统自动发送，请勿直接回复。
+    """
+
+    # 创建MIMEMultipart对象
+    message = MIMEMultipart("alternative")
+    message["Subject"] = subject
+    message["From"] = f"{EMAIL_CONFIG['from_name']} <{EMAIL_CONFIG['from_email']}>"
+    message["To"] = to_email
+
+    # 添加文本和HTML版本
+    message.attach(MIMEText(plain_text, "plain"))
+    message.attach(MIMEText(html_content, "html"))
+
+    try:
+        # 连接到SMTP服务器
+        server = smtplib.SMTP(EMAIL_CONFIG['host'], EMAIL_CONFIG['port'])
+        server.starttls()  # 启用TLS加密
+        server.login(EMAIL_CONFIG['username'], EMAIL_CONFIG['password'])
+
+        # 发送邮件
+        server.sendmail(EMAIL_CONFIG['from_email'], to_email, message.as_string())
+        server.quit()
+        return True
+    except Exception as e:
+        print(f"发送邮件失败: {str(e)}")
+        return False
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..a36699a
--- /dev/null
+++ b/main.py
@@ -0,0 +1,21 @@
+from app import create_app, db
+from app.models import User
+import pymysql
+
+app = create_app()
+
+@app.before_first_request
+def check_db_connection():
+    try:
+        # 使用SQLAlchemy检查连接
+        db.session.execute("SELECT 1")
+        app.logger.info("数据库连接成功")
+    except Exception as e:
+        app.logger.error(f"数据库连接错误: {str(e)}")
+
+@app.shell_context_processor
+def make_shell_context():
+    return {'db': db, 'User': User}
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=40911, debug=True)
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index e69de29..f68a16f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1,16 @@
+Flask==2.0.1
+Flask-Login==0.5.0
+Flask-WTF==0.15.1
+Flask-Migrate==3.1.0
+Flask-Babel==2.0.0
+PyMySQL==1.0.2
+email-validator==1.1.3
+python-dotenv==0.19.0
+Werkzeug==2.0.3
+sqlalchemy==1.4.46
+# 以下是添加的电子邮件相关库
+Flask-Mail==0.9.1
+# 如果需要异步发送邮件
+# celery==5.2.7
+pillow
+cryptography
\ No newline at end of file
diff --git a/static/css/dark.css b/static/css/dark.css
new file mode 100644
index 0000000..f116803
--- /dev/null
+++ b/static/css/dark.css
@@ -0,0 +1,72 @@
+/* 暗色主题 */
+body.theme-dark {
+    background-color: #212529;
+    color: #f8f9fa;
+}
+
+body.theme-dark .auth-form {
+    background-color: #343a40;
+}
+
+body.theme-dark .service-card {
+    background-color: #343a40;
+    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
+}
+
+body.theme-dark .dashboard-header {
+    border-bottom-color: #495057;
+}
+
+body.theme-dark .language-switch a,
+body.theme-dark .theme-switch a {
+    color: #6ea8fe;
+}
+
+body.theme-dark .language-switch a:hover,
+body.theme-dark .theme-switch a:hover {
+    color: #9ec5fe;
+}
+
+body.theme-dark .auth-form a {
+    color: #6ea8fe;
+}
+
+body.theme-dark .auth-form a:hover {
+    color: #9ec5fe;
+}
+
+body.theme-dark .service-card p {
+    color: #adb5bd;
+}
+
+body.theme-dark .alert-info {
+    background-color: #032830;
+    color: #6edff6;
+    border-color: #055160;
+}
+
+body.theme-dark input.form-control,
+body.theme-dark input.form-check-input {
+    background-color: #495057;
+    border-color: #6c757d;
+    color: #f8f9fa;
+}
+
+body.theme-dark input.form-control:focus {
+    background-color: #495057;
+    color: #f8f9fa;
+}
+
+body.theme-dark label {
+    color: #f8f9fa;
+}
+
+body.theme-dark .btn-outline-danger {
+    color: #ea868f;
+    border-color: #ea868f;
+}
+
+body.theme-dark .btn-outline-danger:hover {
+    background-color: #dc3545;
+    color: #fff;
+}
\ No newline at end of file
diff --git a/static/css/light.css b/static/css/light.css
new file mode 100644
index 0000000..f81ca1e
--- /dev/null
+++ b/static/css/light.css
@@ -0,0 +1,52 @@
+/* 亮色主题 */
+body.theme-light {
+    background-color: #f8f9fa;
+    color: #212529;
+}
+
+body.theme-light .auth-form {
+    background-color: #ffffff;
+}
+
+body.theme-light .service-card {
+    background-color: #ffffff;
+}
+
+body.theme-light .dashboard-header {
+    border-bottom-color: #dee2e6;
+}
+
+body.theme-light .language-switch a,
+body.theme-light .theme-switch a {
+    color: #0d6efd;
+}
+
+body.theme-light .language-switch a:hover,
+body.theme-light .theme-switch a:hover {
+    color: #0a58ca;
+}
+
+body.theme-light .auth-form a {
+    color: #0d6efd;
+}
+
+body.theme-light .auth-form a:hover {
+    color: #0a58ca;
+}
+
+body.theme-light .alert-info {
+    background-color: #cff4fc;
+    color: #055160;
+    border-color: #b6effb;
+}
+
+body.theme-light input.form-control,
+body.theme-light input.form-check-input {
+    background-color: #fff;
+    border-color: #ced4da;
+    color: #212529;
+}
+
+body.theme-light label {
+    color: #212529;
+}
\ No newline at end of file
diff --git a/static/css/login.css b/static/css/login.css
new file mode 100644
index 0000000..7adb1ae
--- /dev/null
+++ b/static/css/login.css
@@ -0,0 +1,578 @@
+/* 登录页面专用样式 */
+body {
+    background-color: var(--bg-color);
+    background-image: url('https://source.unsplash.com/random/1920x1080/?technology');
+    background-size: cover;
+    background-position: center;
+    display: flex;
+    flex-direction: column;
+    min-height: 100vh;
+    margin: 0;
+    padding: 0;
+}
+
+.overlay {
+    background-color: rgba(0, 0, 0, 0.4);
+    backdrop-filter: blur(5px);
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    z-index: -1;
+}
+
+.theme-toggle {
+    position: absolute;
+    top: 20px;
+    right: 20px;
+    z-index: 10;
+    cursor: pointer;
+    padding: 8px;
+    border-radius: 50%;
+    background-color: rgba(255, 255, 255, 0.2);
+    backdrop-filter: blur(5px);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    font-size: 18px;
+    width: 36px;
+    height: 36px;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    transition: all 0.3s ease;
+}
+
+.theme-toggle:hover {
+    transform: rotate(45deg);
+}
+
+.language-selector {
+    position: absolute;
+    top: 20px;
+    left: 20px;
+    z-index: 10;
+}
+
+.language-selector select {
+    padding: 8px 15px;
+    border-radius: 6px;
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    background-color: rgba(255, 255, 255, 0.2);
+    backdrop-filter: blur(5px);
+    color: white;
+    font-size: 14px;
+    cursor: pointer;
+    outline: none;
+    transition: all 0.3s ease;
+}
+
+.language-selector select:hover {
+    background-color: rgba(255, 255, 255, 0.3);
+}
+
+.language-selector select option {
+    background-color: var(--card-bg);
+    color: var(--text-color);
+}
+
+.main-container {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    flex: 1;
+    padding: 20px;
+}
+
+.login-container {
+    background-color: var(--card-bg);
+    border-radius: 12px;
+    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
+    width: 450px;
+    padding: 35px;
+    position: relative;
+    overflow: hidden;
+    animation: fadeIn 0.5s ease;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(20px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+.login-container::before {
+    content: "";
+    position: absolute;
+    top: -50px;
+    left: -50px;
+    width: 100px;
+    height: 100px;
+    background-color: var(--primary-color);
+    border-radius: 50%;
+    opacity: 0.1;
+}
+
+.login-container::after {
+    content: "";
+    position: absolute;
+    bottom: -50px;
+    right: -50px;
+    width: 100px;
+    height: 100px;
+    background-color: var(--secondary-color);
+    border-radius: 50%;
+    opacity: 0.1;
+}
+
+.logo {
+    text-align: center;
+    margin-bottom: 25px;
+    position: relative;
+}
+
+.logo img {
+    width: 90px;
+    height: 90px;
+    border-radius: 12px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+    padding: 5px;
+    background-color: #fff;
+    transition: transform 0.3s ease;
+}
+
+.logo img:hover {
+    transform: scale(1.05);
+}
+
+h1 {
+    text-align: center;
+    color: var(--text-color);
+    margin-bottom: 10px;
+    font-weight: 600;
+    font-size: 28px;
+}
+
+.subtitle {
+    text-align: center;
+    color: var(--light-text);
+    margin-bottom: 30px;
+    font-size: 14px;
+}
+
+.tab-container {
+    display: flex;
+    margin-bottom: 25px;
+}
+
+.tab {
+    flex: 1;
+    text-align: center;
+    padding: 12px 0;
+    cursor: pointer;
+    border-bottom: 2px solid var(--border-color);
+    transition: all 0.3s ease;
+    font-weight: 500;
+}
+
+.tab.active {
+    border-bottom: 2px solid var(--primary-color);
+    color: var(--primary-color);
+}
+
+.form-group {
+    margin-bottom: 22px;
+    position: relative;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-color);
+    font-weight: 500;
+    font-size: 14px;
+}
+
+.input-with-icon {
+    position: relative;
+}
+
+.input-icon {
+    position: absolute;
+    left: 15px;
+    top: 50%;
+    transform: translateY(-50%);
+    color: var(--light-text);
+}
+
+.form-control {
+    width: 100%;
+    height: 48px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 0 15px 0 45px;
+    font-size: 15px;
+    transition: all 0.3s ease;
+    background-color: var(--card-bg);
+    color: var(--text-color);
+}
+
+.form-control:focus {
+    border-color: var(--primary-color);
+    box-shadow: 0 0 0 3px rgba(74, 137, 220, 0.2);
+    outline: none;
+}
+
+.password-toggle {
+    position: absolute;
+    right: 15px;
+    top: 50%;
+    transform: translateY(-50%);
+    cursor: pointer;
+    color: var(--light-text);
+}
+
+.validation-message {
+    margin-top: 6px;
+    font-size: 12px;
+    color: var(--error-color);
+    display: none;
+}
+
+.validation-message.show {
+    display: block;
+    animation: shake 0.5s ease;
+}
+
+@keyframes shake {
+    0%, 100% { transform: translateX(0); }
+    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
+    20%, 40%, 60%, 80% { transform: translateX(5px); }
+}
+
+.remember-forgot {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 25px;
+}
+
+.remember-me {
+    display: flex;
+    align-items: center;
+}
+
+.custom-checkbox {
+    position: relative;
+    padding-left: 30px;
+    cursor: pointer;
+    font-size: 14px;
+    user-select: none;
+    color: var(--light-text);
+}
+
+.custom-checkbox input {
+    position: absolute;
+    opacity: 0;
+    cursor: pointer;
+    height: 0;
+    width: 0;
+}
+
+.checkmark {
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 18px;
+    width: 18px;
+    background-color: var(--card-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 3px;
+    transition: all 0.2s ease;
+}
+
+.custom-checkbox:hover input ~ .checkmark {
+    border-color: var(--primary-color);
+}
+
+.custom-checkbox input:checked ~ .checkmark {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+}
+
+.checkmark:after {
+    content: "";
+    position: absolute;
+    display: none;
+}
+
+.custom-checkbox input:checked ~ .checkmark:after {
+    display: block;
+}
+
+.custom-checkbox .checkmark:after {
+    left: 6px;
+    top: 2px;
+    width: 4px;
+    height: 9px;
+    border: solid white;
+    border-width: 0 2px 2px 0;
+    transform: rotate(45deg);
+}
+
+.forgot-password a {
+    color: var(--primary-color);
+    text-decoration: none;
+    font-size: 14px;
+    transition: color 0.3s ease;
+}
+
+.forgot-password a:hover {
+    color: var(--primary-hover);
+    text-decoration: underline;
+}
+
+.btn-login {
+    width: 100%;
+    height: 48px;
+    background-color: var(--primary-color);
+    color: white;
+    border: none;
+    border-radius: 6px;
+    font-size: 16px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    position: relative;
+    overflow: hidden;
+}
+
+.btn-login:hover {
+    background-color: var(--primary-hover);
+}
+
+.btn-login:active {
+    transform: scale(0.98);
+}
+
+.btn-login .loading {
+    display: none;
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+    from { transform: translate(-50%, -50%) rotate(0deg); }
+    to { transform: translate(-50%, -50%) rotate(360deg); }
+}
+
+.btn-login.loading-state {
+    color: transparent;
+}
+
+.btn-login.loading-state .loading {
+    display: block;
+}
+
+.divider {
+    display: flex;
+    align-items: center;
+    margin: 30px 0;
+}
+
+.divider::before,
+.divider::after {
+    content: "";
+    flex: 1;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.divider span {
+    padding: 0 15px;
+    color: var(--light-text);
+    font-size: 14px;
+}
+
+.social-login {
+    display: flex;
+    justify-content: center;
+    gap: 20px;
+    margin-bottom: 25px;
+}
+
+.social-btn {
+    width: 50px;
+    height: 50px;
+    border-radius: 50%;
+    background-color: rgba(245, 245, 245, 0.1);
+    border: 1px solid var(--border-color);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    position: relative;
+    overflow: hidden;
+}
+
+.social-btn::before {
+    content: "";
+    position: absolute;
+    top: 0;
+    left: -100%;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(
+        90deg,
+        rgba(255, 255, 255, 0) 0%,
+        rgba(255, 255, 255, 0.2) 50%,
+        rgba(255, 255, 255, 0) 100%
+    );
+    transition: left 0.7s ease;
+}
+
+.social-btn:hover {
+    transform: translateY(-3px);
+    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
+}
+
+.social-btn:hover::before {
+    left: 100%;
+}
+
+.social-btn img {
+    width: 25px;
+    height: 25px;
+}
+
+.social-btn.wechat {
+    background-color: rgba(9, 187, 7, 0.1);
+    border-color: rgba(9, 187, 7, 0.3);
+}
+
+.social-btn.qq {
+    background-color: rgba(18, 183, 245, 0.1);
+    border-color: rgba(18, 183, 245, 0.3);
+}
+
+.signup {
+    text-align: center;
+    margin-top: 25px;
+    font-size: 14px;
+    color: var(--light-text);
+}
+
+.signup a {
+    color: var(--primary-color);
+    text-decoration: none;
+    font-weight: 600;
+    transition: color 0.3s ease;
+}
+
+.signup a:hover {
+    color: var(--primary-hover);
+    text-decoration: underline;
+}
+
+.qr-code-login {
+    text-align: center;
+}
+
+.qr-code {
+    width: 180px;
+    height: 180px;
+    margin: 20px auto;
+    padding: 10px;
+    background-color: white;
+    border-radius: 6px;
+}
+
+.qr-code img {
+    width: 100%;
+    height: 100%;
+}
+
+.qr-code-tip {
+    font-size: 14px;
+    color: var(--light-text);
+    margin-bottom: 25px;
+}
+
+footer {
+    text-align: center;
+    padding: 20px;
+    color: rgba(255, 255, 255, 0.7);
+    font-size: 12px;
+}
+
+footer a {
+    color: rgba(255, 255, 255, 0.9);
+    text-decoration: none;
+}
+
+footer a:hover {
+    text-decoration: underline;
+}
+
+/* 响应式设计 */
+@media (max-width: 576px) {
+    .login-container {
+        width: 100%;
+        padding: 25px;
+        border-radius: 10px;
+    }
+
+    .theme-toggle,
+    .language-selector {
+        top: 10px;
+    }
+
+    .logo img {
+        width: 70px;
+        height: 70px;
+    }
+
+    h1 {
+        font-size: 22px;
+    }
+
+    .social-login {
+        gap: 15px;
+    }
+
+    .social-btn {
+        width: 45px;
+        height: 45px;
+    }
+
+    .main-container {
+        padding: 0;
+    }
+}
+
+/* 暗色模式适配 */
+body.theme-dark .overlay {
+    background-color: rgba(0, 0, 0, 0.6);
+}
+
+body.theme-dark .login-container {
+    background-color: rgba(45, 45, 45, 0.9);
+}
+
+body.theme-dark .logo img {
+    background-color: #333;
+}
+
+body.theme-dark .checkmark {
+    background-color: #333;
+}
+
+body.theme-dark .form-control {
+    background-color: rgba(60, 60, 60, 0.8);
+    color: #ddd;
+}
+
+body.theme-dark .social-btn {
+    background-color: rgba(50, 50, 50, 0.5);
+}
\ No newline at end of file
diff --git a/static/css/register.css b/static/css/register.css
new file mode 100644
index 0000000..a04e582
--- /dev/null
+++ b/static/css/register.css
@@ -0,0 +1,166 @@
+/* 注册页面样式，继承登录页面样式 */
+.step-container {
+    display: flex;
+    justify-content: space-between;
+    margin-bottom: 25px;
+    position: relative;
+}
+
+.step-container::before {
+    content: "";
+    position: absolute;
+    top: 15px;
+    left: 0;
+    width: 100%;
+    height: 2px;
+    background-color: var(--border-color);
+    z-index: 1;
+}
+
+.step {
+    width: 30px;
+    height: 30px;
+    border-radius: 50%;
+    background-color: var(--bg-color);
+    border: 2px solid var(--border-color);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    font-weight: 600;
+    color: var(--light-text);
+    position: relative;
+    z-index: 2;
+}
+
+.step.active {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+    color: white;
+}
+
+.step.completed {
+    background-color: var(--success-color);
+    border-color: var(--success-color);
+    color: white;
+}
+
+.step-label {
+    position: absolute;
+    top: 40px;
+    left: 50%;
+    transform: translateX(-50%);
+    font-size: 12px;
+    color: var(--light-text);
+    width: 80px;
+    text-align: center;
+}
+
+.verification-container {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    width: 100%;
+}
+
+.verification-input {
+    flex: 1;
+}
+
+.send-code-btn {
+    white-space: nowrap;
+    background-color: var(--primary-color);
+    color: white;
+    border: none;
+    border-radius: 6px;
+    padding: 10px 15px;
+    font-size: 14px;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    height: 48px;
+}
+
+.send-code-btn:hover {
+    background-color: var(--primary-hover);
+}
+
+.send-code-btn:disabled {
+    background-color: var(--border-color);
+    cursor: not-allowed;
+}
+
+.countdown {
+    font-size: 12px;
+    color: var(--light-text);
+}
+
+.registration-step {
+    display: none;
+}
+
+.registration-step.active {
+    display: block;
+    animation: fadeIn 0.5s ease;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(10px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+.form-buttons {
+    display: flex;
+    justify-content: space-between;
+    margin-top: 25px;
+}
+
+.btn-back {
+    background-color: var(--bg-color);
+    color: var(--text-color);
+    border: 1px solid var(--border-color);
+}
+
+.btn-next {
+    background-color: var(--primary-color);
+    color: white;
+}
+
+.strength-meter {
+    height: 4px;
+    background-color: var(--border-color);
+    margin-top: 10px;
+    border-radius: 2px;
+    overflow: hidden;
+}
+
+.strength-meter-fill {
+    height: 100%;
+    width: 0;
+    transition: width 0.3s ease;
+}
+
+.strength-meter-fill.weak {
+    width: 25%;
+    background-color: #e74c3c;
+}
+
+.strength-meter-fill.medium {
+    width: 50%;
+    background-color: #f39c12;
+}
+
+.strength-meter-fill.strong {
+    width: 75%;
+    background-color: #3498db;
+}
+
+.strength-meter-fill.very-strong {
+    width: 100%;
+    background-color: #2ecc71;
+}
+
+.password-strength-text {
+    font-size: 12px;
+    color: var(--light-text);
+    text-align: right;
+    margin-top: 5px;
+}
\ No newline at end of file
diff --git a/static/css/style.css b/static/css/style.css
new file mode 100644
index 0000000..285a279
--- /dev/null
+++ b/static/css/style.css
@@ -0,0 +1,154 @@
+/* 基础样式 */
+body {
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+    margin: 0;
+    padding: 0;
+    min-height: 100vh;
+    transition: background-color 0.3s, color 0.3s;
+}
+
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 20px;
+}
+
+/* 语言和主题切换 */
+.language-switch, .theme-switch {
+    text-align: right;
+    margin: 10px 0;
+}
+
+.language-switch a, .theme-switch a {
+    text-decoration: none;
+    margin-left: 10px;
+}
+
+/* 登录和注册表单 */
+.auth-container {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    min-height: 80vh;
+}
+
+.auth-form {
+    width: 100%;
+    max-width: 400px;
+    padding: 25px;
+    border-radius: 10px;
+    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
+}
+
+.auth-form h2 {
+    margin-bottom: 20px;
+    text-align: center;
+}
+
+.error {
+    color: #dc3545;
+    font-size: 0.875rem;
+    display: block;
+    margin-top: 5px;
+}
+
+/* 仪表盘 */
+.dashboard-container {
+    padding: 20px 0;
+}
+
+.dashboard-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 30px;
+    padding-bottom: 15px;
+    border-bottom: 1px solid #eee;
+}
+
+.user-info {
+    display: flex;
+    align-items: center;
+    gap: 15px;
+}
+
+.services-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    gap: 20px;
+}
+
+.service-card {
+    background-color: #fff;
+    border-radius: 8px;
+    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
+    padding: 20px;
+    transition: transform 0.3s, box-shadow 0.3s;
+}
+
+.service-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
+}
+
+.service-card h3 {
+    margin-top: 0;
+    margin-bottom: 10px;
+}
+
+.service-card p {
+    margin-bottom: 15px;
+    color: #666;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+    .dashboard-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 15px;
+    }
+
+    .services-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .auth-form {
+        padding: 20px;
+    }
+}
+
+/* 通用样式 */
+.btn {
+    cursor: pointer;
+}
+
+.flashes {
+    margin-bottom: 20px;
+}
+
+/* 消息提示 */
+.alert {
+    margin-bottom: 15px;
+    padding: 12px 20px;
+    border-radius: 4px;
+}
+
+/* 表单元素 */
+.form-control:focus {
+    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+    border-color: #86b7fe;
+}
+
+/* 主页卡片特效 */
+.service-card .btn {
+    width: 100%;
+    margin-top: auto;
+}
+
+.service-card {
+    display: flex;
+    flex-direction: column;
+    height: 100%;
+    min-height: 200px;
+}
\ No newline at end of file
diff --git a/static/js/main.js b/static/js/main.js
new file mode 100644
index 0000000..41d6ce7
--- /dev/null
+++ b/static/js/main.js
@@ -0,0 +1,78 @@
+// 主要功能和交互
+document.addEventListener('DOMContentLoaded', function() {
+    // 初始化提示框
+    const toasts = document.querySelectorAll('.toast');
+    if (toasts.length) {
+        toasts.forEach(toast => {
+            new bootstrap.Toast(toast).show();
+        });
+    }
+
+    // 密码强度检查
+    const passwordInputs = document.querySelectorAll('input[type="password"]');
+    passwordInputs.forEach(input => {
+        input.addEventListener('input', function() {
+            checkPasswordStrength(this);
+        });
+    });
+
+    // 主题切换效果
+    const themeSwitch = document.querySelector('.theme-switch a');
+    if (themeSwitch) {
+        themeSwitch.addEventListener('click', function(e) {
+            // 先进行动画效果，然后让链接正常跳转
+            document.body.style.opacity = '0.5';
+            setTimeout(() => {
+                document.body.style.opacity = '1';
+            }, 300);
+        });
+    }
+
+    // 服务卡片hover效果增强
+    const serviceCards = document.querySelectorAll('.service-card');
+    serviceCards.forEach(card => {
+        card.addEventListener('mouseenter', function() {
+            this.style.transform = 'translateY(-10px)';
+        });
+        card.addEventListener('mouseleave', function() {
+            this.style.transform = 'translateY(0)';
+        });
+    });
+});
+
+// 密码强度检查函数
+function checkPasswordStrength(input) {
+    const password = input.value;
+    let strength = 0;
+
+    // 长度检查
+    if (password.length >= 8) strength += 1;
+
+    // 包含数字
+    if (/\d/.test(password)) strength += 1;
+
+    // 包含小写字母
+    if (/[a-z]/.test(password)) strength += 1;
+
+    // 包含大写字母
+    if (/[A-Z]/.test(password)) strength += 1;
+
+    // 包含特殊字符
+    if (/[^A-Za-z0-9]/.test(password)) strength += 1;
+
+    // 移除旧的强度指示器
+    const oldIndicator = input.parentNode.querySelector('.password-strength');
+    if (oldIndicator) oldIndicator.remove();
+
+    // 如果密码长度大于0，显示强度指示器
+    if (password.length > 0) {
+        const strengthText = ['很弱', '弱', '中等', '强', '很强'][Math.min(strength, 4)];
+        const strengthClass = ['very-weak', 'weak', 'medium', 'strong', 'very-strong'][Math.min(strength, 4)];
+
+        const indicator = document.createElement('div');
+        indicator.className = `password-strength ${strengthClass}`;
+        indicator.textContent = `密码强度: ${strengthText}`;
+
+        input.parentNode.appendChild(indicator);
+    }
+}
\ No newline at end of file
diff --git a/study/bin/Activate.ps1 b/study/bin/Activate.ps1
new file mode 100644
index 0000000..2fb3852
--- /dev/null
+++ b/study/bin/Activate.ps1
@@ -0,0 +1,241 @@
+<#
+.Synopsis
+Activate a Python virtual environment for the current PowerShell session.
+
+.Description
+Pushes the python executable for a virtual environment to the front of the
+$Env:PATH environment variable and sets the prompt to signify that you are
+in a Python virtual environment. Makes use of the command line switches as
+well as the `pyvenv.cfg` file values present in the virtual environment.
+
+.Parameter VenvDir
+Path to the directory that contains the virtual environment to activate. The
+default value for this is the parent of the directory that the Activate.ps1
+script is located within.
+
+.Parameter Prompt
+The prompt prefix to display when this virtual environment is activated. By
+default, this prompt is the name of the virtual environment folder (VenvDir)
+surrounded by parentheses and followed by a single space (ie. '(.venv) ').
+
+.Example
+Activate.ps1
+Activates the Python virtual environment that contains the Activate.ps1 script.
+
+.Example
+Activate.ps1 -Verbose
+Activates the Python virtual environment that contains the Activate.ps1 script,
+and shows extra information about the activation as it executes.
+
+.Example
+Activate.ps1 -VenvDir C:\Users\MyUser\Common\.venv
+Activates the Python virtual environment located in the specified location.
+
+.Example
+Activate.ps1 -Prompt "MyPython"
+Activates the Python virtual environment that contains the Activate.ps1 script,
+and prefixes the current prompt with the specified string (surrounded in
+parentheses) while the virtual environment is active.
+
+.Notes
+On Windows, it may be required to enable this Activate.ps1 script by setting the
+execution policy for the user. You can do this by issuing the following PowerShell
+command:
+
+PS C:\> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
+
+For more information on Execution Policies: 
+https://go.microsoft.com/fwlink/?LinkID=135170
+
+#>
+Param(
+    [Parameter(Mandatory = $false)]
+    [String]
+    $VenvDir,
+    [Parameter(Mandatory = $false)]
+    [String]
+    $Prompt
+)
+
+<# Function declarations --------------------------------------------------- #>
+
+<#
+.Synopsis
+Remove all shell session elements added by the Activate script, including the
+addition of the virtual environment's Python executable from the beginning of
+the PATH variable.
+
+.Parameter NonDestructive
+If present, do not remove this function from the global namespace for the
+session.
+
+#>
+function global:deactivate ([switch]$NonDestructive) {
+    # Revert to original values
+
+    # The prior prompt:
+    if (Test-Path -Path Function:_OLD_VIRTUAL_PROMPT) {
+        Copy-Item -Path Function:_OLD_VIRTUAL_PROMPT -Destination Function:prompt
+        Remove-Item -Path Function:_OLD_VIRTUAL_PROMPT
+    }
+
+    # The prior PYTHONHOME:
+    if (Test-Path -Path Env:_OLD_VIRTUAL_PYTHONHOME) {
+        Copy-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME -Destination Env:PYTHONHOME
+        Remove-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME
+    }
+
+    # The prior PATH:
+    if (Test-Path -Path Env:_OLD_VIRTUAL_PATH) {
+        Copy-Item -Path Env:_OLD_VIRTUAL_PATH -Destination Env:PATH
+        Remove-Item -Path Env:_OLD_VIRTUAL_PATH
+    }
+
+    # Just remove the VIRTUAL_ENV altogether:
+    if (Test-Path -Path Env:VIRTUAL_ENV) {
+        Remove-Item -Path env:VIRTUAL_ENV
+    }
+
+    # Just remove the _PYTHON_VENV_PROMPT_PREFIX altogether:
+    if (Get-Variable -Name "_PYTHON_VENV_PROMPT_PREFIX" -ErrorAction SilentlyContinue) {
+        Remove-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Scope Global -Force
+    }
+
+    # Leave deactivate function in the global namespace if requested:
+    if (-not $NonDestructive) {
+        Remove-Item -Path function:deactivate
+    }
+}
+
+<#
+.Description
+Get-PyVenvConfig parses the values from the pyvenv.cfg file located in the
+given folder, and returns them in a map.
+
+For each line in the pyvenv.cfg file, if that line can be parsed into exactly
+two strings separated by `=` (with any amount of whitespace surrounding the =)
+then it is considered a `key = value` line. The left hand string is the key,
+the right hand is the value.
+
+If the value starts with a `'` or a `"` then the first and last character is
+stripped from the value before being captured.
+
+.Parameter ConfigDir
+Path to the directory that contains the `pyvenv.cfg` file.
+#>
+function Get-PyVenvConfig(
+    [String]
+    $ConfigDir
+) {
+    Write-Verbose "Given ConfigDir=$ConfigDir, obtain values in pyvenv.cfg"
+
+    # Ensure the file exists, and issue a warning if it doesn't (but still allow the function to continue).
+    $pyvenvConfigPath = Join-Path -Resolve -Path $ConfigDir -ChildPath 'pyvenv.cfg' -ErrorAction Continue
+
+    # An empty map will be returned if no config file is found.
+    $pyvenvConfig = @{ }
+
+    if ($pyvenvConfigPath) {
+
+        Write-Verbose "File exists, parse `key = value` lines"
+        $pyvenvConfigContent = Get-Content -Path $pyvenvConfigPath
+
+        $pyvenvConfigContent | ForEach-Object {
+            $keyval = $PSItem -split "\s*=\s*", 2
+            if ($keyval[0] -and $keyval[1]) {
+                $val = $keyval[1]
+
+                # Remove extraneous quotations around a string value.
+                if ("'""".Contains($val.Substring(0, 1))) {
+                    $val = $val.Substring(1, $val.Length - 2)
+                }
+
+                $pyvenvConfig[$keyval[0]] = $val
+                Write-Verbose "Adding Key: '$($keyval[0])'='$val'"
+            }
+        }
+    }
+    return $pyvenvConfig
+}
+
+
+<# Begin Activate script --------------------------------------------------- #>
+
+# Determine the containing directory of this script
+$VenvExecPath = Split-Path -Parent $MyInvocation.MyCommand.Definition
+$VenvExecDir = Get-Item -Path $VenvExecPath
+
+Write-Verbose "Activation script is located in path: '$VenvExecPath'"
+Write-Verbose "VenvExecDir Fullname: '$($VenvExecDir.FullName)"
+Write-Verbose "VenvExecDir Name: '$($VenvExecDir.Name)"
+
+# Set values required in priority: CmdLine, ConfigFile, Default
+# First, get the location of the virtual environment, it might not be
+# VenvExecDir if specified on the command line.
+if ($VenvDir) {
+    Write-Verbose "VenvDir given as parameter, using '$VenvDir' to determine values"
+}
+else {
+    Write-Verbose "VenvDir not given as a parameter, using parent directory name as VenvDir."
+    $VenvDir = $VenvExecDir.Parent.FullName.TrimEnd("\\/")
+    Write-Verbose "VenvDir=$VenvDir"
+}
+
+# Next, read the `pyvenv.cfg` file to determine any required value such
+# as `prompt`.
+$pyvenvCfg = Get-PyVenvConfig -ConfigDir $VenvDir
+
+# Next, set the prompt from the command line, or the config file, or
+# just use the name of the virtual environment folder.
+if ($Prompt) {
+    Write-Verbose "Prompt specified as argument, using '$Prompt'"
+}
+else {
+    Write-Verbose "Prompt not specified as argument to script, checking pyvenv.cfg value"
+    if ($pyvenvCfg -and $pyvenvCfg['prompt']) {
+        Write-Verbose "  Setting based on value in pyvenv.cfg='$($pyvenvCfg['prompt'])'"
+        $Prompt = $pyvenvCfg['prompt'];
+    }
+    else {
+        Write-Verbose "  Setting prompt based on parent's directory's name. (Is the directory name passed to venv module when creating the virutal environment)"
+        Write-Verbose "  Got leaf-name of $VenvDir='$(Split-Path -Path $venvDir -Leaf)'"
+        $Prompt = Split-Path -Path $venvDir -Leaf
+    }
+}
+
+Write-Verbose "Prompt = '$Prompt'"
+Write-Verbose "VenvDir='$VenvDir'"
+
+# Deactivate any currently active virtual environment, but leave the
+# deactivate function in place.
+deactivate -nondestructive
+
+# Now set the environment variable VIRTUAL_ENV, used by many tools to determine
+# that there is an activated venv.
+$env:VIRTUAL_ENV = $VenvDir
+
+if (-not $Env:VIRTUAL_ENV_DISABLE_PROMPT) {
+
+    Write-Verbose "Setting prompt to '$Prompt'"
+
+    # Set the prompt to include the env name
+    # Make sure _OLD_VIRTUAL_PROMPT is global
+    function global:_OLD_VIRTUAL_PROMPT { "" }
+    Copy-Item -Path function:prompt -Destination function:_OLD_VIRTUAL_PROMPT
+    New-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Description "Python virtual environment prompt prefix" -Scope Global -Option ReadOnly -Visibility Public -Value $Prompt
+
+    function global:prompt {
+        Write-Host -NoNewline -ForegroundColor Green "($_PYTHON_VENV_PROMPT_PREFIX) "
+        _OLD_VIRTUAL_PROMPT
+    }
+}
+
+# Clear PYTHONHOME
+if (Test-Path -Path Env:PYTHONHOME) {
+    Copy-Item -Path Env:PYTHONHOME -Destination Env:_OLD_VIRTUAL_PYTHONHOME
+    Remove-Item -Path Env:PYTHONHOME
+}
+
+# Add the venv to the PATH
+Copy-Item -Path Env:PATH -Destination Env:_OLD_VIRTUAL_PATH
+$Env:PATH = "$VenvExecDir$([System.IO.Path]::PathSeparator)$Env:PATH"
diff --git a/study/bin/activate b/study/bin/activate
new file mode 100644
index 0000000..f7a0969
--- /dev/null
+++ b/study/bin/activate
@@ -0,0 +1,66 @@
+# This file must be used with "source bin/activate" *from bash*
+# you cannot run it directly
+
+deactivate () {
+    # reset old environment variables
+    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
+        PATH="${_OLD_VIRTUAL_PATH:-}"
+        export PATH
+        unset _OLD_VIRTUAL_PATH
+    fi
+    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
+        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
+        export PYTHONHOME
+        unset _OLD_VIRTUAL_PYTHONHOME
+    fi
+
+    # This should detect bash and zsh, which have a hash command that must
+    # be called to get it to forget past commands.  Without forgetting
+    # past commands the $PATH changes we made may not be respected
+    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+        hash -r 2> /dev/null
+    fi
+
+    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
+        PS1="${_OLD_VIRTUAL_PS1:-}"
+        export PS1
+        unset _OLD_VIRTUAL_PS1
+    fi
+
+    unset VIRTUAL_ENV
+    if [ ! "${1:-}" = "nondestructive" ] ; then
+    # Self destruct!
+        unset -f deactivate
+    fi
+}
+
+# unset irrelevant variables
+deactivate nondestructive
+
+VIRTUAL_ENV="/Users/lishunqin/Desktop/ziyao/study_platform/study"
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$PATH"
+PATH="$VIRTUAL_ENV/bin:$PATH"
+export PATH
+
+# unset PYTHONHOME if set
+# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
+# could use `if (set -u; : $PYTHONHOME) ;` in bash
+if [ -n "${PYTHONHOME:-}" ] ; then
+    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
+    unset PYTHONHOME
+fi
+
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
+    _OLD_VIRTUAL_PS1="${PS1:-}"
+    PS1="(study) ${PS1:-}"
+    export PS1
+fi
+
+# This should detect bash and zsh, which have a hash command that must
+# be called to get it to forget past commands.  Without forgetting
+# past commands the $PATH changes we made may not be respected
+if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+    hash -r 2> /dev/null
+fi
diff --git a/study/bin/activate.csh b/study/bin/activate.csh
new file mode 100644
index 0000000..30d333e
--- /dev/null
+++ b/study/bin/activate.csh
@@ -0,0 +1,25 @@
+# This file must be used with "source bin/activate.csh" *from csh*.
+# You cannot run it directly.
+# Created by Davide Di Blasi <davidedb@gmail.com>.
+# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
+
+alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+setenv VIRTUAL_ENV "/Users/lishunqin/Desktop/ziyao/study_platform/study"
+
+set _OLD_VIRTUAL_PATH="$PATH"
+setenv PATH "$VIRTUAL_ENV/bin:$PATH"
+
+
+set _OLD_VIRTUAL_PROMPT="$prompt"
+
+if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
+    set prompt = "(study) $prompt"
+endif
+
+alias pydoc python -m pydoc
+
+rehash
diff --git a/study/bin/activate.fish b/study/bin/activate.fish
new file mode 100644
index 0000000..5207515
--- /dev/null
+++ b/study/bin/activate.fish
@@ -0,0 +1,64 @@
+# This file must be used with "source <venv>/bin/activate.fish" *from fish*
+# (https://fishshell.com/); you cannot run it directly.
+
+function deactivate  -d "Exit virtual environment and return to normal shell environment"
+    # reset old environment variables
+    if test -n "$_OLD_VIRTUAL_PATH"
+        set -gx PATH $_OLD_VIRTUAL_PATH
+        set -e _OLD_VIRTUAL_PATH
+    end
+    if test -n "$_OLD_VIRTUAL_PYTHONHOME"
+        set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
+        set -e _OLD_VIRTUAL_PYTHONHOME
+    end
+
+    if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
+        functions -e fish_prompt
+        set -e _OLD_FISH_PROMPT_OVERRIDE
+        functions -c _old_fish_prompt fish_prompt
+        functions -e _old_fish_prompt
+    end
+
+    set -e VIRTUAL_ENV
+    if test "$argv[1]" != "nondestructive"
+        # Self-destruct!
+        functions -e deactivate
+    end
+end
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+set -gx VIRTUAL_ENV "/Users/lishunqin/Desktop/ziyao/study_platform/study"
+
+set -gx _OLD_VIRTUAL_PATH $PATH
+set -gx PATH "$VIRTUAL_ENV/bin" $PATH
+
+# Unset PYTHONHOME if set.
+if set -q PYTHONHOME
+    set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
+    set -e PYTHONHOME
+end
+
+if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
+    # fish uses a function instead of an env var to generate the prompt.
+
+    # Save the current fish_prompt function as the function _old_fish_prompt.
+    functions -c fish_prompt _old_fish_prompt
+
+    # With the original prompt function renamed, we can override with our own.
+    function fish_prompt
+        # Save the return status of the last command.
+        set -l old_status $status
+
+        # Output the venv prompt; color taken from the blue of the Python logo.
+        printf "%s%s%s" (set_color 4B8BBE) "(study) " (set_color normal)
+
+        # Restore the return status of the previous command.
+        echo "exit $old_status" | .
+        # Output the original/"old" prompt.
+        _old_fish_prompt
+    end
+
+    set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
+end
diff --git a/study/bin/alembic b/study/bin/alembic
new file mode 100755
index 0000000..f649864
--- /dev/null
+++ b/study/bin/alembic
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from alembic.config import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/dotenv b/study/bin/dotenv
new file mode 100755
index 0000000..7ce6f46
--- /dev/null
+++ b/study/bin/dotenv
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from dotenv.cli import cli
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(cli())
diff --git a/study/bin/email_validator b/study/bin/email_validator
new file mode 100755
index 0000000..c9db5d0
--- /dev/null
+++ b/study/bin/email_validator
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from email_validator import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/flask b/study/bin/flask
new file mode 100755
index 0000000..91bc453
--- /dev/null
+++ b/study/bin/flask
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from flask.cli import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/mako-render b/study/bin/mako-render
new file mode 100755
index 0000000..a25da95
--- /dev/null
+++ b/study/bin/mako-render
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from mako.cmd import cmdline
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(cmdline())
diff --git a/study/bin/pip b/study/bin/pip
new file mode 100755
index 0000000..7b3c15f
--- /dev/null
+++ b/study/bin/pip
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from pip._internal.cli.main import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/pip3 b/study/bin/pip3
new file mode 100755
index 0000000..7b3c15f
--- /dev/null
+++ b/study/bin/pip3
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from pip._internal.cli.main import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/pip3.9 b/study/bin/pip3.9
new file mode 100755
index 0000000..7b3c15f
--- /dev/null
+++ b/study/bin/pip3.9
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from pip._internal.cli.main import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/pybabel b/study/bin/pybabel
new file mode 100755
index 0000000..9c3ec6a
--- /dev/null
+++ b/study/bin/pybabel
@@ -0,0 +1,8 @@
+#!/Users/lishunqin/Desktop/ziyao/study_platform/study/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from babel.messages.frontend import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())
diff --git a/study/bin/python b/study/bin/python
new file mode 120000
index 0000000..b8a0adb
--- /dev/null
+++ b/study/bin/python
@@ -0,0 +1 @@
+python3
\ No newline at end of file
diff --git a/study/bin/python3 b/study/bin/python3
new file mode 120000
index 0000000..975a95f
--- /dev/null
+++ b/study/bin/python3
@@ -0,0 +1 @@
+/Applications/Xcode.app/Contents/Developer/usr/bin/python3
\ No newline at end of file
diff --git a/study/bin/python3.9 b/study/bin/python3.9
new file mode 120000
index 0000000..b8a0adb
--- /dev/null
+++ b/study/bin/python3.9
@@ -0,0 +1 @@
+python3
\ No newline at end of file
diff --git a/study/pyvenv.cfg b/study/pyvenv.cfg
new file mode 100644
index 0000000..8e83703
--- /dev/null
+++ b/study/pyvenv.cfg
@@ -0,0 +1,3 @@
+home = /Applications/Xcode.app/Contents/Developer/usr/bin
+include-system-site-packages = false
+version = 3.9.6
diff --git a/templates/auth/login.html b/templates/auth/login.html
new file mode 100644
index 0000000..a38441d
--- /dev/null
+++ b/templates/auth/login.html
@@ -0,0 +1,223 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('login') }} - 高可用学习平台{% endblock %}
+
+{% block extra_css %}
+<link rel="stylesheet" href="{{ url_for('static', filename='css/login.css') }}">
+{% endblock %}
+
+{% block content %}
+<div class="overlay"></div>
+
+<div class="theme-toggle" id="theme-toggle">
+    {% if session.get('theme', 'light') == 'light' %}☀️{% else %}🌙{% endif %}
+</div>
+
+<div class="language-selector">
+    <select id="language-select">
+        <option value="zh" {% if session.get('language', 'zh') == 'zh' %}selected{% endif %}>简体中文</option>
+        <option value="en" {% if session.get('language', 'zh') == 'en' %}selected{% endif %}>English</option>
+    </select>
+</div>
+
+<div class="main-container">
+    <div class="login-container">
+        <div class="logo">
+            <img src="{{ url_for('static', filename='images/logo.png') }}" alt="Logo" onerror="this.src='/api/placeholder/90/90'">
+        </div>
+        <h1>高可用学习平台</h1>
+        <p class="subtitle">{{ _('welcome_back') }}</p>
+
+        <div class="tab-container">
+            <div class="tab active" id="account-tab">{{ _('account_login') }}</div>
+            <div class="tab" id="qr-tab">{{ _('qr_login') }}</div>
+        </div>
+
+        <div id="account-login">
+            <form id="login-form" method="post" action="{{ url_for('auth.login') }}">
+                {{ form.hidden_tag() }}
+
+                <div class="form-group">
+                    <label for="email">{{ _('email') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">📧</span>
+                        {{ form.email(class="form-control", placeholder=_('email_placeholder')) }}
+                    </div>
+                    {% for error in form.email.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="email-error"></div>
+                </div>
+
+                <div class="form-group">
+                    <label for="password">{{ _('password') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">🔒</span>
+                        {{ form.password(class="form-control", placeholder=_('password_placeholder')) }}
+                        <span class="password-toggle" id="password-toggle">👁️</span>
+                    </div>
+                    {% for error in form.password.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="password-error"></div>
+                </div>
+
+                <div class="remember-forgot">
+                    <label class="custom-checkbox">
+                        {{ form.remember_me(type="checkbox") }}
+                        <span class="checkmark"></span>
+                        {{ _('remember_me') }}
+                    </label>
+                    <div class="forgot-password">
+                        <a href="{{ url_for('auth.reset_password_request') }}">{{ _('forgot_password') }}</a>
+                    </div>
+                </div>
+
+                <button type="submit" class="btn-login" id="login-button">
+                    <span>{{ _('login') }}</span>
+                    <span class="loading">⟳</span>
+                </button>
+            </form>
+
+            <div class="divider">
+                <span>{{ _('other_login_methods') }}</span>
+            </div>
+
+            <div class="social-login">
+                <div class="social-btn wechat" title="{{ _('wechat_login') }}">
+                    <img src="/api/placeholder/25/25" alt="WeChat">
+                </div>
+                <div class="social-btn qq" title="{{ _('qq_login') }}">
+                    <img src="/api/placeholder/25/25" alt="QQ">
+                </div>
+            </div>
+
+            <div class="signup">
+                {{ _('no_account') }} <a href="{{ url_for('auth.register') }}">{{ _('register') }}</a>
+            </div>
+        </div>
+
+        <div id="qr-code-login" style="display: none;">
+            <div class="qr-code">
+                <img src="/api/placeholder/180/180" alt="QR Code">
+            </div>
+            <p class="qr-code-tip">{{ _('scan_qr_code') }}</p>
+        </div>
+    </div>
+</div>
+
+<footer>
+    <p>© 2025 顺钦毕业论文_高可用学习平台 | <a href="#">{{ _('privacy_policy') }}</a> | <a href="#">{{ _('terms_of_service') }}</a></p>
+</footer>
+{% endblock %}
+
+{% block extra_js %}
+<script>
+    document.addEventListener('DOMContentLoaded', function() {
+        // 主题切换
+        const themeToggle = document.getElementById('theme-toggle');
+
+        themeToggle.addEventListener('click', function() {
+            const currentTheme = "{{ session.get('theme', 'light') }}";
+            const newTheme = currentTheme === 'light' ? 'dark' : 'light';
+            window.location.href = "{{ url_for('main.set_theme', theme='') }}" + newTheme;
+        });
+
+        // 语言选择器
+        const languageSelect = document.getElementById('language-select');
+        languageSelect.addEventListener('change', function() {
+            window.location.href = "{{ url_for('main.set_language', lang='') }}" + this.value;
+        });
+
+        // 密码可见性切换
+        const passwordInput = document.getElementById('password');
+        const passwordToggle = document.getElementById('password-toggle');
+
+        if (passwordToggle && passwordInput) {
+            passwordToggle.addEventListener('click', function() {
+                const type = passwordInput.getAttribute('type') === 'password' ? 'text' : 'password';
+                passwordInput.setAttribute('type', type);
+                passwordToggle.innerHTML = type === 'password' ? '👁️' : '👁️‍🗨️';
+            });
+        }
+
+        // 账号/扫码登录切换
+        const accountTab = document.getElementById('account-tab');
+        const qrTab = document.getElementById('qr-tab');
+        const accountLogin = document.getElementById('account-login');
+        const qrCodeLogin = document.getElementById('qr-code-login');
+
+        if (accountTab && qrTab && accountLogin && qrCodeLogin) {
+            accountTab.addEventListener('click', function() {
+                accountTab.classList.add('active');
+                qrTab.classList.remove('active');
+                accountLogin.style.display = 'block';
+                qrCodeLogin.style.display = 'none';
+            });
+
+            qrTab.addEventListener('click', function() {
+                qrTab.classList.add('active');
+                accountTab.classList.remove('active');
+                qrCodeLogin.style.display = 'block';
+                accountLogin.style.display = 'none';
+            });
+        }
+
+        // 表单验证
+        const loginForm = document.getElementById('login-form');
+        const emailInput = document.getElementById('email');
+        const emailError = document.getElementById('email-error');
+        const passwordError = document.getElementById('password-error');
+        const loginButton = document.getElementById('login-button');
+
+        if (loginForm && emailInput && passwordInput) {
+            emailInput.addEventListener('input', validateEmail);
+            passwordInput.addEventListener('input', validatePassword);
+
+            loginForm.addEventListener('submit', function(e) {
+                if (!validateEmail() || !validatePassword()) {
+                    e.preventDefault();
+                } else {
+                    loginButton.classList.add('loading-state');
+                }
+            });
+        }
+
+        function validateEmail() {
+            if (!emailInput || !emailError) return true;
+
+            const value = emailInput.value.trim();
+            if (value === '') {
+                emailError.textContent = '{{ _("email_required") }}';
+                emailError.classList.add('show');
+                return false;
+            } else if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(value)) {
+                emailError.textContent = '{{ _("invalid_email") }}';
+                emailError.classList.add('show');
+                return false;
+            } else {
+                emailError.classList.remove('show');
+                return true;
+            }
+        }
+
+        function validatePassword() {
+            if (!passwordInput || !passwordError) return true;
+
+            const value = passwordInput.value;
+            if (value === '') {
+                passwordError.textContent = '{{ _("password_required") }}';
+                passwordError.classList.add('show');
+                return false;
+            } else if (value.length < 8) {
+                passwordError.textContent = '{{ _("password_too_short") }}';
+                passwordError.classList.add('show');
+                return false;
+            } else {
+                passwordError.classList.remove('show');
+                return true;
+            }
+        }
+    });
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/auth/register.html b/templates/auth/register.html
new file mode 100644
index 0000000..c40ffd4
--- /dev/null
+++ b/templates/auth/register.html
@@ -0,0 +1,479 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('register') }} - 高可用学习平台{% endblock %}
+
+{% block extra_css %}
+<link rel="stylesheet" href="{{ url_for('static', filename='css/login.css') }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/register.css') }}">
+{% endblock %}
+
+{% block full_content %}
+<div class="overlay"></div>
+
+<div class="theme-toggle" id="theme-toggle">
+    {% if session.get('theme', 'light') == 'light' %}☀️{% else %}🌙{% endif %}
+</div>
+
+<div class="language-selector">
+    <select id="language-select">
+        <option value="zh" {% if session.get('language', 'zh') == 'zh' %}selected{% endif %}>简体中文</option>
+        <option value="en" {% if session.get('language', 'zh') == 'en' %}selected{% endif %}>English</option>
+    </select>
+</div>
+
+<div class="main-container">
+    <div class="login-container">
+        <div class="logo">
+            <img src="{{ url_for('static', filename='images/logo.png') }}" alt="Logo" onerror="this.src='/api/placeholder/90/90'">
+        </div>
+        <h1>高可用学习平台</h1>
+        <p class="subtitle">{{ _('create_account') }}</p>
+
+        <div class="step-container">
+            <div class="step {% if not email_verified %}active{% else %}completed{% endif %}" id="step-1">1
+                <div class="step-label">{{ _('email_verification') }}</div>
+            </div>
+            <div class="step {% if email_verified %}active{% endif %}" id="step-2">2
+                <div class="step-label">{{ _('account_info') }}</div>
+            </div>
+            <div class="step" id="step-3">3
+                <div class="step-label">{{ _('registration_success') }}</div>
+            </div>
+        </div>
+
+        <div class="registration-step {% if not email_verified %}active{% endif %}" id="step-1-content">
+            <form id="email-verification-form" method="post" action="{{ url_for('auth.register') }}">
+                {{ email_form.hidden_tag() }}
+                <input type="hidden" name="send_code" value="1">
+
+                <div class="form-group">
+                    <label for="email">{{ _('email') }}</label>
+                    <div class="verification-container">
+                        <div class="input-with-icon verification-input">
+                            <span class="input-icon">📧</span>
+                            {{ email_form.email(class="form-control", placeholder=_('email_placeholder'), id="verification-email") }}
+                        </div>
+                        <button type="submit" class="send-code-btn" id="send-code-btn">
+                            {{ _('send_verification_code') }}
+                        </button>
+                    </div>
+                    {% for error in email_form.email.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="email-error"></div>
+                </div>
+
+                <div class="form-buttons">
+                    <a href="{{ url_for('auth.login') }}" class="btn btn-login btn-back">{{ _('back_to_login') }}</a>
+                </div>
+            </form>
+        </div>
+
+        <div class="registration-step {% if email_verified %}active{% endif %}" id="step-2-content">
+            <form id="registration-form" method="post" action="{{ url_for('auth.register') }}">
+                {{ registration_form.hidden_tag() }}
+                <input type="hidden" name="register" value="1">
+
+                <div class="form-group">
+                    <label for="email">{{ _('email') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">📧</span>
+                        {{ registration_form.email(class="form-control", readonly="readonly", value=verified_email) }}
+                    </div>
+                </div>
+
+                <div class="form-group">
+                    <label for="verification_code">{{ _('verification_code') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">🔑</span>
+                        {{ registration_form.verification_code(class="form-control", placeholder=_('enter_verification_code')) }}
+                    </div>
+                    {% for error in registration_form.verification_code.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="code-error"></div>
+                    <div class="countdown" id="resend-countdown"></div>
+                    <button type="button" class="btn-link" id="resend-btn" style="display: none; background: none; border: none; color: var(--primary-color); padding: 0; margin-top: 5px; cursor: pointer; text-decoration: underline;">{{ _('resend_code') }}</button>
+                </div>
+
+                <div class="form-group">
+                    <label for="username">{{ _('username') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">👤</span>
+                        {{ registration_form.username(class="form-control", placeholder=_('enter_username')) }}
+                    </div>
+                    {% for error in registration_form.username.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="username-error"></div>
+                </div>
+
+                <div class="form-group">
+                    <label for="password">{{ _('password') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">🔒</span>
+                        {{ registration_form.password(class="form-control", placeholder=_('enter_password'), id="register-password") }}
+                        <span class="password-toggle" id="password-toggle">👁️</span>
+                    </div>
+                    {% for error in registration_form.password.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="password-error"></div>
+                    <div class="strength-meter">
+                        <div class="strength-meter-fill" id="strength-meter-fill"></div>
+                    </div>
+                    <div class="password-strength-text" id="password-strength-text"></div>
+                </div>
+
+                <div class="form-group">
+                    <label for="password2">{{ _('repeat_password') }}</label>
+                    <div class="input-with-icon">
+                        <span class="input-icon">🔒</span>
+                        {{ registration_form.password2(class="form-control", placeholder=_('repeat_password_placeholder')) }}
+                    </div>
+                    {% for error in registration_form.password2.errors %}
+                    <div class="validation-message show">{{ error }}</div>
+                    {% endfor %}
+                    <div class="validation-message" id="password2-error"></div>
+                </div>
+
+                <div class="form-buttons">
+                    <button type="button" class="btn btn-login btn-back" id="back-to-step1">{{ _('back') }}</button>
+                    <button type="submit" class="btn btn-login btn-next">{{ _('register') }}</button>
+                </div>
+            </form>
+        </div>
+    </div>
+</div>
+
+<footer>
+    <p>© 2023 高可用学习平台 | <a href="#">{{ _('privacy_policy') }}</a> | <a href="#">{{ _('terms_of_service') }}</a></p>
+</footer>
+{% endblock %}
+
+{% block extra_js %}
+<script>
+    document.addEventListener('DOMContentLoaded', function() {
+        // 主题切换
+        const themeToggle = document.getElementById('theme-toggle');
+
+        themeToggle.addEventListener('click', function() {
+            const currentTheme = "{{ session.get('theme', 'light') }}";
+            const newTheme = currentTheme === 'light' ? 'dark' : 'light';
+            window.location.href = "{{ url_for('main.set_theme', theme='') }}" + newTheme + "?next={{ request.path|urlencode }}";
+        });
+
+        // 语言选择器
+        const languageSelect = document.getElementById('language-select');
+        languageSelect.addEventListener('change', function() {
+            window.location.href = "{{ url_for('main.set_language', lang='') }}" + this.value + "?next={{ request.path|urlencode }}";
+        });
+
+        // 密码可见性切换
+        const passwordInput = document.getElementById('register-password');
+        const passwordToggle = document.getElementById('password-toggle');
+
+        if (passwordToggle && passwordInput) {
+            passwordToggle.addEventListener('click', function() {
+                const type = passwordInput.getAttribute('type') === 'password' ? 'text' : 'password';
+                passwordInput.setAttribute('type', type);
+                passwordToggle.innerHTML = type === 'password' ? '👁️' : '👁️‍🗨️';
+            });
+        }
+
+        // 密码强度检测
+        if (passwordInput) {
+            const strengthMeter = document.getElementById('strength-meter-fill');
+            const strengthText = document.getElementById('password-strength-text');
+
+            passwordInput.addEventListener('input', function() {
+                const password = this.value;
+                const strength = checkPasswordStrength(password);
+
+                // 更新强度指示器
+                strengthMeter.className = 'strength-meter-fill';
+
+                if (password.length === 0) {
+                    strengthMeter.style.width = '0';
+                    strengthText.textContent = '';
+                } else if (strength < 2) {
+                    strengthMeter.classList.add('weak');
+                    strengthText.textContent = '{{ _("password_weak") }}';
+                } else if (strength < 3) {
+                    strengthMeter.classList.add('medium');
+                    strengthText.textContent = '{{ _("password_medium") }}';
+                } else if (strength < 4) {
+                    strengthMeter.classList.add('strong');
+                    strengthText.textContent = '{{ _("password_strong") }}';
+                } else {
+                    strengthMeter.classList.add('very-strong');
+                    strengthText.textContent = '{{ _("password_very_strong") }}';
+                }
+            });
+        }
+
+        // 检查密码强度的函数
+        function checkPasswordStrength(password) {
+            let strength = 0;
+
+            if (password.length >= 8) strength++;
+            if (/[a-z]/.test(password)) strength++;
+            if (/[A-Z]/.test(password)) strength++;
+            if (/[0-9]/.test(password)) strength++;
+            if (/[^a-zA-Z0-9]/.test(password)) strength++;
+
+            return strength;
+        }
+
+        // 注册表单验证
+        const registrationForm = document.getElementById('registration-form');
+        const verificationCodeInput = document.getElementById('verification_code');
+        const usernameInput = document.getElementById('username');
+        const password2Input = document.getElementById('password2');
+
+        const codeError = document.getElementById('code-error');
+        const usernameError = document.getElementById('username-error');
+        const password2Error = document.getElementById('password2-error');
+
+        if (registrationForm) {
+            registrationForm.addEventListener('submit', function(e) {
+                let isValid = true;
+
+                // 验证码验证
+                if (verificationCodeInput.value.trim() === '') {
+                    codeError.textContent = '{{ _("verification_code_required") }}';
+                    codeError.classList.add('show');
+                    isValid = false;
+                } else if (verificationCodeInput.value.length !== 6) {
+                    codeError.textContent = '{{ _("verification_code_invalid") }}';
+                    codeError.classList.add('show');
+                    isValid = false;
+                } else {
+                   codeError.classList.remove('show');
+                }
+
+                // 用户名验证
+                if (usernameInput.value.trim() === '') {
+                    usernameError.textContent = '{{ _("username_required") }}';
+                    usernameError.classList.add('show');
+                    isValid = false;
+                } else {
+                    usernameError.classList.remove('show');
+                }
+
+                // 密码匹配验证
+                if (password2Input.value !== passwordInput.value) {
+                    password2Error.textContent = '{{ _("passwords_not_match") }}';
+                    password2Error.classList.add('show');
+                    isValid = false;
+                } else {
+                    password2Error.classList.remove('show');
+                }
+
+                if (!isValid) {
+                    e.preventDefault();
+                }
+            });
+        }
+
+        // 邮箱验证表单
+        const emailVerificationForm = document.getElementById('email-verification-form');
+        const emailInput = document.getElementById('verification-email');
+        const emailError = document.getElementById('email-error');
+        const sendCodeBtn = document.getElementById('send-code-btn');
+
+        if (emailVerificationForm) {
+            emailVerificationForm.addEventListener('submit', function(e) {
+                if (emailInput.value.trim() === '') {
+                    e.preventDefault();
+                    emailError.textContent = '{{ _("email_required") }}';
+                    emailError.classList.add('show');
+                } else if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(emailInput.value.trim())) {
+                    e.preventDefault();
+                    emailError.textContent = '{{ _("invalid_email") }}';
+                    emailError.classList.add('show');
+                } else {
+                    emailError.classList.remove('show');
+                }
+            });
+
+            // 动态发送验证码
+            sendCodeBtn.addEventListener('click', function(e) {
+                if (emailInput.value.trim() === '' || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(emailInput.value.trim())) {
+                    return; // 让表单自己处理验证
+                }
+
+                e.preventDefault();
+
+                // 禁用按钮
+                sendCodeBtn.disabled = true;
+                sendCodeBtn.textContent = '{{ _("sending") }}...';
+
+                // 发送Ajax请求
+                const xhr = new XMLHttpRequest();
+                xhr.open('POST', '{{ url_for("auth.send_verification_code") }}', true);
+                xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+                xhr.onreadystatechange = function() {
+                    if (xhr.readyState === 4) {
+                        if (xhr.status === 200) {
+                            try {
+                                const response = JSON.parse(xhr.responseText);
+                                if (response.success) {
+                                    // 显示成功消息
+                                    showNotification(response.message, 'success');
+
+                                    // 存储邮箱地址
+                                    const verifiedEmail = emailInput.value.trim();
+
+                                    // 显示下一步
+                                    document.getElementById('step-1').classList.remove('active');
+                                    document.getElementById('step-1').classList.add('completed');
+                                    document.getElementById('step-2').classList.add('active');
+
+                                    document.getElementById('step-1-content').classList.remove('active');
+                                    document.getElementById('step-2-content').classList.add('active');
+
+                                    // 设置邮箱字段
+                                    document.getElementById('email').value = verifiedEmail;
+
+                                    // 启动倒计时
+                                    startResendCountdown();
+                                } else {
+                                    // 显示错误消息
+                                    showNotification(response.message, 'error');
+                                    sendCodeBtn.disabled = false;
+                                    sendCodeBtn.textContent = '{{ _("send_verification_code") }}';
+                                }
+                            } catch (e) {
+                                showNotification('{{ _("server_error") }}', 'error');
+                                sendCodeBtn.disabled = false;
+                                sendCodeBtn.textContent = '{{ _("send_verification_code") }}';
+                            }
+                        } else {
+                            showNotification('{{ _("server_error") }}', 'error');
+                            sendCodeBtn.disabled = false;
+                            sendCodeBtn.textContent = '{{ _("send_verification_code") }}';
+                        }
+                    }
+                };
+                xhr.send('email=' + encodeURIComponent(emailInput.value.trim()));
+            });
+        }
+
+        // 返回按钮
+        const backToStep1 = document.getElementById('back-to-step1');
+        if (backToStep1) {
+            backToStep1.addEventListener('click', function() {
+                document.getElementById('step-1').classList.add('active');
+                document.getElementById('step-1').classList.remove('completed');
+                document.getElementById('step-2').classList.remove('active');
+
+                document.getElementById('step-1-content').classList.add('active');
+                document.getElementById('step-2-content').classList.remove('active');
+            });
+        }
+
+        // 重发验证码
+        const resendBtn = document.getElementById('resend-btn');
+        const resendCountdown = document.getElementById('resend-countdown');
+
+        if (resendBtn) {
+            resendBtn.addEventListener('click', function() {
+                // 禁用按钮
+                resendBtn.style.display = 'none';
+
+                // 发送Ajax请求
+                const xhr = new XMLHttpRequest();
+                xhr.open('POST', '{{ url_for("auth.send_verification_code") }}', true);
+                xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+                xhr.onreadystatechange = function() {
+                    if (xhr.readyState === 4 && xhr.status === 200) {
+                        try {
+                            const response = JSON.parse(xhr.responseText);
+                            if (response.success) {
+                                showNotification(response.message, 'success');
+                                startResendCountdown();
+                            } else {
+                                showNotification(response.message, 'error');
+                                resendBtn.style.display = 'block';
+                            }
+                        } catch (e) {
+                            showNotification('{{ _("server_error") }}', 'error');
+                            resendBtn.style.display = 'block';
+                        }
+                    } else if (xhr.readyState === 4) {
+                        showNotification('{{ _("server_error") }}', 'error');
+                        resendBtn.style.display = 'block';
+                    }
+                };
+                xhr.send('email=' + encodeURIComponent(document.getElementById('email').value));
+            });
+        }
+
+        // 验证码倒计时
+        function startResendCountdown() {
+            let seconds = 60;
+            resendCountdown.textContent = `{{ _("resend_code_in") }} ${seconds} {{ _("seconds") }}`;
+            resendCountdown.style.display = 'block';
+            resendBtn.style.display = 'none';
+
+            const interval = setInterval(function() {
+                seconds--;
+                resendCountdown.textContent = `{{ _("resend_code_in") }} ${seconds} {{ _("seconds") }}`;
+
+                if (seconds <= 0) {
+                    clearInterval(interval);
+                    resendCountdown.style.display = 'none';
+                    resendBtn.style.display = 'block';
+                }
+            }, 1000);
+        }
+
+        // 显示通知
+        function showNotification(message, type) {
+            // 检查是否已有通知
+            let notification = document.querySelector('.notification');
+            if (notification) {
+                document.body.removeChild(notification);
+            }
+
+            // 创建新通知
+            notification = document.createElement('div');
+            notification.className = `notification ${type}`;
+
+            const icon = type === 'success' ? '✓' : '✗';
+
+            notification.innerHTML = `
+                <div class="notification-icon">${icon}</div>
+                <div class="notification-content">
+                    <p>${message}</p>
+                </div>
+            `;
+
+            document.body.appendChild(notification);
+
+            // 显示通知
+            setTimeout(() => {
+                notification.classList.add('show');
+            }, 10);
+
+            // 自动隐藏
+            setTimeout(() => {
+                notification.classList.remove('show');
+                setTimeout(() => {
+                    try {
+                        document.body.removeChild(notification);
+                    } catch (e) {
+                        // 忽略可能的错误
+                    }
+                }, 300);
+            }, 3000);
+        }
+
+        // 如果是第二步，启动倒计时
+        {% if email_verified %}
+        startResendCountdown();
+        {% endif %}
+    });
+</script>
+{% endblock %}
diff --git a/templates/auth/reset_password.html b/templates/auth/reset_password.html
new file mode 100644
index 0000000..38ab5b0
--- /dev/null
+++ b/templates/auth/reset_password.html
@@ -0,0 +1,34 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('reset_password') }} - 高可用学习平台{% endblock %}
+
+{% block content %}
+<div class="auth-container">
+    <div class="auth-form">
+        <h2>{{ _('reset_password') }}</h2>
+        <form method="post" action="{{ url_for('auth.reset_password', token=request.view_args['token']) }}">
+            {{ form.hidden_tag() }}
+
+            <div class="mb-3">
+                {{ form.password.label(class="form-label") }}
+                {{ form.password(class="form-control") }}
+                {% for error in form.password.errors %}
+                <span class="error">{{ error }}</span>
+                {% endfor %}
+            </div>
+
+            <div class="mb-3">
+                {{ form.password2.label(class="form-label") }}
+                {{ form.password2(class="form-control") }}
+                {% for error in form.password2.errors %}
+                <span class="error">{{ error }}</span>
+                {% endfor %}
+            </div>
+
+            <div class="d-flex justify-content-between align-items-center">
+                {{ form.submit(class="btn btn-primary") }}
+            </div>
+        </form>
+    </div>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/auth/reset_password_request.html b/templates/auth/reset_password_request.html
new file mode 100644
index 0000000..039a8f5
--- /dev/null
+++ b/templates/auth/reset_password_request.html
@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('reset_password') }} - 高可用学习平台{% endblock %}
+
+{% block content %}
+<div class="auth-container">
+    <div class="auth-form">
+        <h2>{{ _('reset_password') }}</h2>
+        <form method="post" action="{{ url_for('auth.reset_password_request') }}">
+            {{ form.hidden_tag() }}
+
+            <div class="mb-3">
+                {{ form.email.label(class="form-label") }}
+                {{ form.email(class="form-control") }}
+                {% for error in form.email.errors %}
+                <span class="error">{{ error }}</span>
+                {% endfor %}
+            </div>
+
+            <div class="d-flex justify-content-between align-items-center">
+                {{ form.submit(class="btn btn-primary") }}
+                <a href="{{ url_for('auth.login') }}">{{ _('login') }}</a>
+            </div>
+        </form>
+    </div>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/base.html b/templates/base.html
new file mode 100644
index 0000000..de232e2
--- /dev/null
+++ b/templates/base.html
@@ -0,0 +1,83 @@
+<!DOCTYPE html>
+<html lang="{{ session.get('language', 'zh') }}">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}高可用学习平台{% endblock %}</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css">
+
+    <style>
+        :root {
+            --primary-color: #4a89dc;
+            --primary-hover: #3b78c4;
+            --secondary-color: #5cb85c;
+            --text-color: #333;
+            --light-text: #666;
+            --bg-color: #f5f7fa;
+            --card-bg: #ffffff;
+            --border-color: #ddd;
+            --error-color: #e74c3c;
+            --success-color: #2ecc71;
+        }
+
+        body.theme-dark {
+            --primary-color: #5a9aed;
+            --primary-hover: #4a89dc;
+            --secondary-color: #6bc76b;
+            --text-color: #f1f1f1;
+            --light-text: #aaa;
+            --bg-color: #1a1a1a;
+            --card-bg: #2c2c2c;
+            --border-color: #444;
+        }
+    </style>
+
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+
+    {% if session.get('theme', 'light') == 'dark' %}
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/dark.css') }}" id="theme-css">
+    {% else %}
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/light.css') }}" id="theme-css">
+    {% endif %}
+
+    {% block extra_css %}{% endblock %}
+</head>
+<body class="theme-{{ session.get('theme', 'light') }}">
+    {% block full_content %}
+    <div class="container">
+        {% if not hide_language_switch|default(false) %}
+        <div class="language-switch">
+            <a href="{{ url_for('main.set_language', lang='zh', next=request.path) }}">中文</a> |
+            <a href="{{ url_for('main.set_language', lang='en', next=request.path) }}">English</a>
+        </div>
+        {% endif %}
+
+        {% if not hide_theme_switch|default(false) %}
+        <div class="theme-switch">
+            {% if session.get('theme', 'light') == 'light' %}
+            <a href="{{ url_for('main.set_theme', theme='dark', next=request.path) }}">暗色模式</a>
+            {% else %}
+            <a href="{{ url_for('main.set_theme', theme='light', next=request.path) }}">亮色模式</a>
+            {% endif %}
+        </div>
+        {% endif %}
+
+        {% with messages = get_flashed_messages() %}
+        {% if messages %}
+        <div class="flashes">
+            {% for message in messages %}
+            <div class="alert alert-info">{{ message }}</div>
+            {% endfor %}
+        </div>
+        {% endif %}
+        {% endwith %}
+
+        {% block content %}{% endblock %}
+    </div>
+    {% endblock %}
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="{{ url_for('static', filename='js/main.js') }}"></script>
+    {% block extra_js %}{% endblock %}
+</body>
+</html>
\ No newline at end of file
diff --git a/templates/main/index.html b/templates/main/index.html
new file mode 100644
index 0000000..9f70445
--- /dev/null
+++ b/templates/main/index.html
@@ -0,0 +1,65 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('my_dashboard') }} - 高可用学习平台{% endblock %}
+
+{% block content %}
+<div class="dashboard-container">
+    <header class="dashboard-header">
+        <h1>{{ _('welcome') }}</h1>
+        <div class="user-info">
+            <span>{{ current_user.username }}</span>
+            <a href="{{ url_for('auth.logout') }}" class="btn btn-sm btn-outline-danger">{{ _('logout') }}</a>
+        </div>
+    </header>
+
+    <div class="services-grid">
+        <div class="service-card">
+            <h3>{{ _('network_drive') }}</h3>
+            <p>安全存储和共享文件</p>
+            <a href="https://pan.sq0715.com" class="btn btn-primary" target="_blank">访问网盘</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('email_system') }}</h3>
+            <p>您的专属邮箱系统</p>
+            <a href="https://mail.sq0715.com" class="btn btn-primary" target="_blank">访问邮箱</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('code_compiler') }}</h3>
+            <p>在线编译和运行代码</p>
+            <a href="#" class="btn btn-primary" target="_blank">访问编译器</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('file_submission') }}</h3>
+            <p>提交和管理作业文件</p>
+            <a href="#" class="btn btn-primary" target="_blank">访问提交系统</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('video_platform') }}</h3>
+            <p>观看和分享视频内容</p>
+            <a href="#" class="btn btn-primary" target="_blank">访问视频平台</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('blog_space') }}</h3>
+            <p>发布和阅读博客文章</p>
+            <a href="#" class="btn btn-primary" target="_blank">访问博客</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('ai_platform') }}</h3>
+            <p>AI助手和工具</p>
+            <a href="https://sqai.online" class="btn btn-primary" target="_blank">访问AI平台</a>
+        </div>
+
+        <div class="service-card">
+            <h3>{{ _('code_repository') }}</h3>
+            <p>代码版本控制</p>
+            <a href="https://git.sq0715.com" class="btn btn-primary" target="_blank">访问代码仓库</a>
+        </div>
+    </div>
+</div>
+{% endblock %}
\ No newline at end of file