refactor: 上传相关优化

app/admin/controller/v1/SiteConfig.php

@@ -171,8 +171,25 @@ class SiteConfig
         if (!empty($configs)) {
             $configs_map = [];
             foreach ($configs as $cfg) {
-                $configs_map[$cfg['name']] = $cfg;
+                $current = &$configs_map;
+                
+                // 根据name中"."拆分为多维数组
+                $parts = explode('.', $cfg['name']);
+                foreach ($parts as $part) {
+                    if (!isset($current[$part])) {
+                        $current[$part] = [];
+                    }
+                    $current = &$current[$part];
+                }
+                $current = [
+                    'id'    => $cfg['id'],
+                    'title' => $cfg['title'],
+                    'name'  => $cfg['name'],
+                    'value' => $cfg['value']
+                ];
             }
+            unset($current);
+
             return $configs_map;
         }