diff --git a/accounts/templates/accounts/class_info.html b/accounts/templates/accounts/class_info.html
new file mode 100644
index 0000000..6e1f219
--- /dev/null
+++ b/accounts/templates/accounts/class_info.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8">
+  <title>填写班级信息</title>
+  <style>
+    body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: #f5f6fa; }
+    .container { max-width: 400px; margin: 15vh auto; padding: 24px; background: #fff; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
+    h1 { font-size: 20px; margin: 0 0 16px; text-align: center; }
+    label { display:block; margin: 12px 0 6px; color:#333; }
+    input { width:100%; padding:10px 0px; border:1px solid #dcdde1; border-radius:6px; box-sizing: border-box; }
+    button { width:100%; margin-top:16px; padding:10px 12px; background:#2d8cf0; color:#fff; border:none; border-radius:6px; cursor:pointer; }
+    button:disabled { background:#9bbcf0; cursor:not-allowed; }
+    .error { color:#d93025; margin-top:10px; min-height:20px; font-size: 14px; }
+    .hint { color:#888; font-size:12px; margin-top:10px; }
+  </style>
+</head>
+<body>
+  <div class="container">
+    <h1>完善班级信息</h1>
+    <form id="classForm">
+      {% csrf_token %}
+      <input type="hidden" id="user_id" value="{{ user_id }}">
+      <label for="class_name">所在班级</label>
+      <input id="class_name" name="class_name" type="text" placeholder="例：2024级计算机专业1班" required />
+      <div class="hint">格式要求：XXXX级YY专业Z班（记得加“专业”两个字）</div>
+      <button id="submitBtn" type="submit">提交并进入登录页</button>
+      <div id="error" class="error"></div>
+    </form>
+  </div>
+  <script>
+    function getCookie(name){const v=`; ${document.cookie}`;const p=v.split(`; ${name}=`);if(p.length===2) return p.pop().split(';').shift();}
+    
+    document.getElementById('classForm').addEventListener('submit', async (e) => {
+      e.preventDefault();
+      const err = document.getElementById('error');
+      err.textContent = '';
+      const className = document.getElementById('class_name').value.trim();
+      const userId = document.getElementById('user_id').value;
+      
+      // 正则校验：2024级**专业*班
+      const pattern = /^\d{4}级.+专业\d+班$/;
+      if (!pattern.test(className)) {
+        err.textContent = '班级格式不正确，请重新输入（例：2024级计算机专业1班）';
+        return;
+      }
+      
+      const btn = document.getElementById('submitBtn');
+      btn.disabled = true;
+      
+      try {
+        const csrftoken = getCookie('csrftoken');
+        const resp = await fetch('/accounts/class-info/submit/', {
+          method: 'POST',
+          credentials: 'same-origin',
+          headers: {
+            'Content-Type': 'application/json',
+            'X-CSRFToken': csrftoken || ''
+          },
+          body: JSON.stringify({ user_id: userId, class_name: className })
+        });
+        const data = await resp.json();
+        if (!resp.ok || !data.ok) {
+          throw new Error(data.message || '提交失败');
+        }
+        window.location.href = '/accounts/login/';
+      } catch (e) {
+        err.textContent = e.message || '发生错误';
+      } finally {
+        btn.disabled = false;
+      }
+    });
+  </script>
+</body>
+</html>
diff --git a/accounts/templates/accounts/profile.html b/accounts/templates/accounts/profile.html
new file mode 100644
index 0000000..14ad66a
--- /dev/null
+++ b/accounts/templates/accounts/profile.html
@@ -0,0 +1,129 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8">
+  <title>个人中心</title>
+  <style>
+    body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: #f5f6fa; margin: 0; }
+    /* 侧边栏样式 */
+    .sidebar { position: fixed; top: 0; left: 0; width: 180px; height: 100vh; background: #1e1e2e; color: white; padding: 20px; box-shadow: 2px 0 5px rgba(0,0,0,0.1); z-index: 1000; display: flex; flex-direction: column; align-items: center; }
+    .user-id-sidebar { text-align: center; margin-bottom: 0px; }
+    .sidebar h3 { margin-top: 0; font-size: 18px; color: #add8e6; text-align: center; margin-bottom: 20px; }
+    .navigation-links { width: 100%; margin-top: 60px; }
+    .sidebar a { display: block; color: #8be9fd; text-decoration: none; margin: 10px 0; font-size: 16px; padding: 15px; border-radius: 4px; transition: all 0.2s ease; }
+    .sidebar a:hover { color: #ff79c6; background-color: rgba(139, 233, 253, 0.2); }
+    
+    /* 主内容区 */
+    .main-content { margin-left: 220px; padding: 40px; }
+    .profile-card { background: #fff; border-radius: 14px; box-shadow: 0 10px 24px rgba(31,35,40,0.08); padding: 30px; margin-bottom: 30px; }
+    .profile-header { display: flex; align-items: center; margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 20px; }
+    .profile-info h2 { margin: 0; color: #1e1e2e; }
+    .profile-info p { margin: 5px 0; color: #666; }
+    .label { font-weight: bold; color: #333; margin-right: 10px; }
+    
+    .section-title { font-size: 20px; font-weight: bold; margin-bottom: 20px; color: #1e1e2e; }
+    .image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
+    .image-item { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); transition: transform 0.2s; }
+    .image-item:hover { transform: translateY(-5px); }
+    .image-item img { width: 100%; height: 150px; object-fit: cover; cursor: pointer; }
+    .image-item .info { padding: 10px; font-size: 12px; color: #888; text-align: center; }
+    
+    .no-data { text-align: center; color: #999; padding: 40px; }
+    
+    /* 图片放大模态框 */
+    .image-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.8); display: none; align-items: center; justify-content: center; z-index: 2000; }
+    .image-modal-content { max-width: 90%; max-height: 90%; border-radius: 8px; }
+    .image-modal-close { position: absolute; top: 20px; right: 30px; color: white; font-size: 40px; font-weight: bold; cursor: pointer; }
+  </style>
+</head>
+<body>
+  <!-- 侧边栏 -->
+  <div class="sidebar">
+    <div class="user-id-sidebar">
+      <h3>你好，{{ username|default:"访客" }}</h3>
+    </div>
+    <div class="navigation-links">
+      <a href="{% url 'main:home' %}">返回主页</a>
+      <a id="logoutBtn" style="cursor:pointer;">退出登录</a>
+      {% csrf_token %}
+    </div>
+  </div>
+
+  <div class="main-content">
+    <div class="profile-card">
+      <div class="profile-header">
+        <div class="profile-info">
+          <h2>个人信息</h2>
+        </div>
+      </div>
+      <div class="profile-details">
+        <p><span class="label">用户名:</span> {{ profile_user.username }}</p>
+        <p><span class="label">用户ID:</span> {{ profile_user.user_id }}</p>
+        <p><span class="label">所属班级:</span> {{ user_class|default:"未填写" }}</p>
+        <p><span class="label">权限级别:</span> {{ permission_name }}</p>
+      </div>
+    </div>
+
+    <div class="section-title">我的提交</div>
+    {% if achievements %}
+      <div class="image-grid">
+        {% for item in achievements %}
+          <div class="image-item">
+            {% if item.image_url %}
+              <img src="{{ item.image_url }}" alt="提交的图片" onclick="openModal(this.src)">
+            {% else %}
+              <div style="height: 150px; background: #eee; display: flex; align-items: center; justify-content: center; color: #ccc;">无图片</div>
+            {% endif %}
+          </div>
+        {% endfor %}
+      </div>
+    {% else %}
+      <div class="profile-card no-data">
+        <p>你还没有提交过任何图片。</p>
+        <a href="/elastic/upload/" style="color: #2d8cf0; text-decoration: none;">去上传第一张图片吧！</a>
+      </div>
+    {% endif %}
+  </div>
+
+  <!-- 图片放大模态框 -->
+  <div id="imageModal" class="image-modal">
+    <span class="image-modal-close" onclick="closeModal()">&times;</span>
+    <img id="modalImg" class="image-modal-content">
+  </div>
+
+  <script>
+    function getCookie(name){const v=`; ${document.cookie}`;const p=v.split(`; ${name}=`);if(p.length===2) return p.pop().split(';').shift();}
+    
+    // 登出功能
+    document.getElementById('logoutBtn').addEventListener('click', async () => {
+      if(!confirm('确定要退出登录吗？')) return;
+      const csrftoken = getCookie('csrftoken');
+      try {
+        const resp = await fetch('/accounts/logout/', {
+          method: 'POST',
+          headers: { 'X-CSRFToken': csrftoken || '' }
+        });
+        const data = await resp.json();
+        if (data.ok) window.location.href = data.redirect_url;
+      } catch (e) { alert('登出失败'); }
+    });
+
+    // 图片放大功能
+    function openModal(src) {
+      const modal = document.getElementById('imageModal');
+      const modalImg = document.getElementById('modalImg');
+      modal.style.display = "flex";
+      modalImg.src = src;
+    }
+
+    function closeModal() {
+      document.getElementById('imageModal').style.display = "none";
+    }
+
+    window.onclick = function(event) {
+      const modal = document.getElementById('imageModal');
+      if (event.target == modal) closeModal();
+    }
+  </script>
+</body>
+</html>
diff --git a/accounts/urls.py b/accounts/urls.py
index 2499fb5..35ad07a 100644
--- a/accounts/urls.py
+++ b/accounts/urls.py
@@ -12,4 +12,7 @@ urlpatterns = [
     path("register/", views.register_page, name="register"),
     path("register/submit/", views.register_submit, name="register_submit"),
     path("email/send-code/", views.send_email_code, name="send_email_code"),
+    path("class-info/", views.class_info_page, name="class_info"),
+    path("class-info/submit/", views.class_info_submit, name="class_info_submit"),
+    path("profile/", views.profile_page, name="profile"),
 ]
\ No newline at end of file
diff --git a/accounts/views.py b/accounts/views.py
index ee6baa9..aadb13e 100644
--- a/accounts/views.py
+++ b/accounts/views.py
@@ -15,7 +15,7 @@ from django.conf import settings
 
 from .es_client import get_user_by_username
 from .crypto import get_public_key_spki_b64, rsa_oaep_decrypt_b64, aes_gcm_decrypt_b64, verify_password, generate_rsa_private_pem_b64, public_spki_b64_from_private_pem_b64, rsa_oaep_decrypt_b64_with_private_pem
-from elastic.es_connect import get_registration_code, get_user_by_username as es_get_user_by_username, get_all_users as es_get_all_users, write_user_data
+from elastic.es_connect import get_registration_code, get_user_by_username as es_get_user_by_username, get_all_users as es_get_all_users, write_user_data, update_user_by_id, get_user_by_id
 
 
 @require_http_methods(["GET"])
@@ -71,6 +71,40 @@ def set_session_key(request):
     request.session["session_enc_key_b64"] = base64.b64encode(key_bytes).decode("ascii")
     return JsonResponse({"ok": True})
 
+@require_http_methods(["GET"])
+@ensure_csrf_cookie
+def profile_page(request):
+    session_user_id = request.session.get("user_id")
+    if session_user_id is None:
+        return redirect("/accounts/login/")
+    
+    # 获取用户信息
+    user = get_user_by_id(session_user_id)
+    if not user:
+        return redirect("/accounts/login/")
+    
+    # 获取个人提交的成就（图片）
+    from elastic.es_connect import search_all
+    from elastic.views import _attach_image_urls
+    
+    raw_results = [r for r in search_all() if str(r.get("writer_id", "")) == str(session_user_id)]
+    achievements = _attach_image_urls(request, raw_results)
+    
+    # 提取班级信息 (key 字段中的第一个值)
+    keys = user.get("key") or []
+    user_class = keys[0] if keys else ""
+    
+    permission_name = "管理员" if int(user.get("permission", 1)) == 0 else "普通用户"
+    
+    context = {
+        "username": request.session.get("username"),
+        "profile_user": user,
+        "user_class": user_class,
+        "permission_name": permission_name,
+        "achievements": achievements,
+    }
+    return render(request, "accounts/profile.html", context)
+
 @require_http_methods(["POST"])
 @csrf_protect
 def secure_login_submit(request):
@@ -238,7 +272,43 @@ def register_submit(request):
             del request.session["email_verify"]
     except Exception:
         pass
-    return JsonResponse({"ok": True, "redirect_url": "/accounts/login/"})
+    # 修改：注册成功后跳转到完善班级信息页面
+    return JsonResponse({"ok": True, "redirect_url": f"/accounts/class-info/?user_id={next_id}"})
+
+@require_http_methods(["GET"])
+@ensure_csrf_cookie
+def class_info_page(request):
+    user_id = request.GET.get("user_id")
+    if not user_id:
+        return redirect("/accounts/register/")
+    return render(request, "accounts/class_info.html", {"user_id": user_id})
+
+@require_http_methods(["POST"])
+@csrf_protect
+def class_info_submit(request):
+    try:
+        payload = json.loads(request.body.decode("utf-8"))
+    except json.JSONDecodeError:
+        return HttpResponseBadRequest("Invalid JSON")
+    
+    user_id = payload.get("user_id")
+    class_name = (payload.get("class_name") or "").strip()
+    
+    if not user_id or not class_name:
+        return HttpResponseBadRequest("Missing fields")
+    
+    # 后端校验：2024级**专业*班
+    import re
+    pattern = r"^\d{4}级.+专业\d+班$"
+    if not re.match(pattern, class_name):
+        return JsonResponse({"ok": False, "message": "班级格式不正确"}, status=400)
+    
+    # 更新用户信息，将班级信息存入 key 列表
+    ok = update_user_by_id(user_id, key=[class_name])
+    if not ok:
+        return JsonResponse({"ok": False, "message": "保存班级信息失败"}, status=500)
+        
+    return JsonResponse({"ok": True})
 
 @require_http_methods(["POST"])
 @csrf_protect
diff --git a/elastic/es_connect.py b/elastic/es_connect.py
index dcd1a39..2d8368e 100644
--- a/elastic/es_connect.py
+++ b/elastic/es_connect.py
@@ -797,7 +797,7 @@ def delete_user_by_id(user_id):
         print(f"删除用户失败: {str(e)}")
         return False
 
-def update_user_by_id(user_id, username=None, permission=None, password=None):
+def update_user_by_id(user_id, username=None, permission=None, password=None, key=None):
     try:
         search = UserDocument.search()
         search = search.query("term", user_id=int(user_id))
@@ -813,6 +813,8 @@ def update_user_by_id(user_id, username=None, permission=None, password=None):
                 salt_b64, hash_b64 = hash_password_random_salt(str(password))
                 doc.password_hash = hash_b64
                 doc.password_salt = salt_b64
+            if key is not None:
+                doc.key = list(key)
             doc.save()
             return True
         return False
diff --git a/main/templates/main/home.html b/main/templates/main/home.html
index 782f121..1267c86 100644
--- a/main/templates/main/home.html
+++ b/main/templates/main/home.html
@@ -43,6 +43,7 @@
       <a href="{% url 'elastic:upload_page' %}" onclick="return handleNavClick(this, '/elastic/upload/');">图片上传与识别</a>
       <a href="{% url 'elastic:manage_page' %}" onclick="return handleNavClick(this, '/elastic/manage/');">数据管理</a>
       <a href="{% url 'elastic:user_manage' %}" onclick="return handleNavClick(this, '/elastic/user_manage/');">用户管理</a>
+      <a href="/accounts/profile/">个人中心</a>
       {% if is_admin %}
       <a href="{% url 'elastic:registration_code_manage_page' %}" onclick="return handleNavClick(this, '/elastic/registration-codes/manage/');">注册码管理</a>
       {% endif %}
