莫名

app/Controllers/Admin/SettingController.php

@@ -14,7 +14,7 @@ class SettingController extends AdminController
     ];
     private $siteFields = [
         'site_name', 'site_slogan', 'contact_phone', 'contact_email',
-        'contact_address', 'icp', 'seo_title', 'seo_keywords', 'seo_description',
+        'contact_address', 'site_logo', 'icp', 'gongan', 'seo_title', 'seo_keywords', 'seo_description',
     ];
     private $payFields = [
         'pay_enabled', 'pay_mode',
@@ -30,6 +30,18 @@ class SettingController extends AdminController
             if (csrf_check()) {
                 $pairs = [];
                 foreach ($this->siteFields as $k) $pairs[$k] = $this->post($k, '');
+                // 网站 Logo：优先用上传文件，其次用填写的图片路径/网址；两者皆空则保留现值
+                $logoUp = $this->uploadFile('logo');
+                if ($logoUp !== null) {
+                    $pairs['site_logo'] = $logoUp;
+                } else {
+                    $url = trim((string) $this->post('logo_url', ''));
+                    if ($url !== '') {
+                        $pairs['site_logo'] = $url;
+                    } else {
+                        unset($pairs['site_logo']); // 不覆盖，保留数据库现有值（含默认商标）
+                    }
+                }
                 $setting->saveMany($pairs, 'site');
             }
             $this->redirect('admin/settings');