优化登陆成功信息提示

app.py

@@ -305,7 +305,7 @@ def login():
             if check_password_hash(settings['admin_password_hash'], password):
                 session['username'] = username
                 next_url = request.args.get('next', url_for('navigation'))  # 默认跳转到首页
-                flash('登录成功', 'success')
+                # 移除flash消息，因为登录成功不需要显示
                 return redirect(next_url)
 
         flash('用户名或密码错误', 'danger')

templates/login.html

@@ -136,10 +136,12 @@
         {% with messages = get_flashed_messages(with_categories=true) %}
             {% if messages %}
                 {% for category, message in messages %}
-                    <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
-                        {{ message }}
-                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-                    </div>
+                    {% if category != 'success' %}  <!-- 不显示成功消息 -->
+                        <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
+                            {{ message }}
+                            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+                        </div>
+                    {% endif %}
                 {% endfor %}
             {% endif %}
         {% endwith %}