增加修改个人信息和修改密码菜单。

static/css/adminstyle.css

@@ -33,6 +33,45 @@ body {
 .admin-header #username {
     margin-left: auto;
 }
+.user-menu-wrapper {
+    position: relative;
+    margin-left: auto;
+}
+.user-menu-wrapper #username {
+    margin-left: 0;
+}
+.user-menu {
+    position: absolute;
+    top: calc(100% + 4px);
+    right: 0;
+    z-index: 1100;
+    display: none;
+    min-width: 140px;
+    padding: 4px 0;
+    background: #fff;
+    border: 1px solid #e8e8e8;
+    border-radius: 4px;
+    box-shadow: 0 3px 12px rgba(0,0,0,0.16);
+}
+.user-menu-wrapper:hover .user-menu,
+.user-menu-wrapper:focus-within .user-menu {
+    display: block;
+}
+.user-menu button {
+    display: block;
+    width: 100%;
+    padding: 9px 14px;
+    border: 0;
+    background: transparent;
+    color: #333;
+    text-align: left;
+    cursor: pointer;
+    font-size: 13px;
+}
+.user-menu button:hover {
+    background: #f5f5f5;
+    color: #1890ff;
+}
 .admin-header span {
     background: transparent;
     padding: 5px 12px;

static/js/admin.js

@@ -108,6 +108,8 @@ document.addEventListener('DOMContentLoaded', () => {
     bindForm('modal-form', handleModalSubmit);
     bindForm('user-form', handleUserSubmit);
     bindForm('settings-form', handleSettingsSubmit);
+    bindForm('profile-form', handleProfileSubmit);
+    bindForm('password-form', handlePasswordSubmit);
 
     // 封面图上传
     const coverFileInput = document.getElementById('post-cover-file');
@@ -122,6 +124,86 @@ document.addEventListener('DOMContentLoaded', () => {
     }
 });
 
+// 显示个人信息弹窗
+function showProfileModal() {
+    document.getElementById('profile-nickname').value = currentUser?.nickname || '';
+    document.getElementById('profile-email').value = currentUser?.email || '';
+    document.getElementById('profile-avatar').value = currentUser?.avatar || '';
+    document.getElementById('profile-modal').classList.remove('hidden');
+}
+
+function hideProfileModal() {
+    document.getElementById('profile-modal').classList.add('hidden');
+}
+
+// 保存个人信息
+async function handleProfileSubmit(e) {
+    e.preventDefault();
+    const body = {
+        nickname: document.getElementById('profile-nickname').value.trim(),
+        email: document.getElementById('profile-email').value.trim(),
+        avatar: document.getElementById('profile-avatar').value.trim()
+    };
+
+    try {
+        const res = await fetch(`${API_BASE}/auth/me`, {
+            method: 'PUT',
+            headers: getHeaders(),
+            body: JSON.stringify(body)
+        });
+        const data = await res.json().catch(() => ({}));
+        if (!res.ok) {
+            alert(data.error || '保存失败');
+            return;
+        }
+        currentUser = Object.assign({}, currentUser, body, data.data || {});
+        document.getElementById('username').textContent = currentUser.nickname || currentUser.username;
+        hideProfileModal();
+        alert('个人信息已保存');
+    } catch (err) {
+        alert('保存失败: ' + err.message);
+    }
+}
+
+// 显示修改密码弹窗
+function showPasswordModal() {
+    document.getElementById('password-form').reset();
+    document.getElementById('password-modal').classList.remove('hidden');
+}
+
+function hidePasswordModal() {
+    document.getElementById('password-modal').classList.add('hidden');
+}
+
+// 修改密码
+async function handlePasswordSubmit(e) {
+    e.preventDefault();
+    const oldPassword = document.getElementById('old-password').value;
+    const newPassword = document.getElementById('new-password').value;
+    const confirmPassword = document.getElementById('confirm-password').value;
+    if (newPassword !== confirmPassword) {
+        alert('两次输入的新密码不一致');
+        return;
+    }
+
+    try {
+        const res = await fetch(`${API_BASE}/auth/password`, {
+            method: 'PUT',
+            headers: getHeaders(),
+            body: JSON.stringify({ old_password: oldPassword, new_password: newPassword })
+        });
+        const data = await res.json().catch(() => ({}));
+        if (!res.ok) {
+            alert(data.error || '修改密码失败');
+            return;
+        }
+        hidePasswordModal();
+        alert(data.message || '密码修改成功');
+    } catch (err) {
+        alert('修改密码失败: ' + err.message);
+    }
+}
+
 // 安全绑定表单提交（元素不存在时忽略）
 function bindForm(formId, handler) {
     const form = document.getElementById(formId);