修复了一些已知问题

frontend/admin/admins.php

@@ -163,6 +163,7 @@ async function loadAdmins() {
                 <td>
                     <button class="btn btn-sm btn-primary" onclick="showEditAdminModal(${admin.user_id}, '${escapeHtml(admin.username)}', '${escapeHtml(admin.real_name)}', '${escapeHtml(admin.role_type)}')">编辑</button>
                     <button class="btn btn-sm btn-warning" onclick="resetAdminPassword(${admin.user_id}, '${escapeHtml(admin.real_name)}')">重置密码</button>
+                    <button class="btn btn-sm btn-info" onclick="unlockUser('${escapeHtml(admin.username)}', '${escapeHtml(admin.real_name)}')">解锁</button>
                     <button class="btn btn-sm btn-danger" onclick="deleteAdmin(${admin.user_id}, '${escapeHtml(admin.real_name)}')">删除</button>
                 </td>
             </tr>`;
@@ -253,7 +254,6 @@ async function deleteAdmin(userId, realName) {
         showToast(res?.message || '删除失败', 'error');
     }
 }
-
 function resetAdminPassword(userId, realName) {
     currentResetUserId = userId;
     document.getElementById('resetPasswordUserId').value = userId;
@@ -262,6 +262,23 @@ function resetAdminPassword(userId, realName) {
     document.getElementById('resetPasswordModal').style.display = 'flex';
 }
 
+async function unlockUser(username, realName) {
+    if (!confirm(`确定要解除用户 "${realName}" 的登录锁定吗？\n（适用于多次登录失败被禁止登录的情况）`)) {
+        return;
+    }
+    
+    const res = await apiPost('/api/admin/unlock-user', {
+        username: username
+    });
+    
+    if (res && res.success) {
+        showToast(res.message || '解锁成功');
+    } else {
+        showToast(res?.message || '解锁失败', 'error');
+    }
+}
+}
+
 async function submitResetPassword() {
     if (!currentResetUserId) return;