diff --git a/app/admin/controller/v1/SiteConfig.php b/app/admin/controller/v1/SiteConfig.php
index 957d246a..182be834 100644
--- a/app/admin/controller/v1/SiteConfig.php
+++ b/app/admin/controller/v1/SiteConfig.php
@@ -1,5 +1,6 @@
 <?php
-declare (strict_types = 1);
+
+declare(strict_types=1);
 
 namespace app\admin\controller\v1;
 
@@ -42,7 +43,7 @@ class SiteConfig
             ->groupId(array_column($groups, 'id'))
             ->order(['sort' => 'asc', 'id' => 'desc'])
             ->select()
-            ->each(function($item) {
+            ->each(function ($item) {
                 // 修改字段为null的输出为空字符串
                 $keys = array_keys($item->toArray());
                 foreach ($keys as $key) {
@@ -58,12 +59,7 @@ class SiteConfig
         }
 
         // 处理附加配置项及联动项
-        $config_name_map = [];
-        foreach ($configs as $config) {
-            unset($config['group_id']);
-            $config_name_map[$config['name']] = $config;
-        }
-        $configs = $this->handleExtra($configs, $config_name_map);
+        $configs = $this->handleExtra($configs);
 
         // 组合数据
         $config_group_map = [];
@@ -82,50 +78,66 @@ class SiteConfig
         return success('获取成功', $groups);
     }
     // 处理配置联动项数据
-    private function handleExtra($data, $map)
+    private function handleExtra($data)
     {
-        $ret = [];
-        $need_delete_names = [];
-        foreach ($data as $val) {
+        list($list, $map) = $this->parseExtra($data);
+        return $this->buildExtra($list, $map);
+    }
+    private function parseExtra($data)
+    {
+        $linkage_names = [];
+        foreach ($data as &$val) {
             if (!empty($val['extra'])) {
                 $extra = explode(PHP_EOL, $val['extra']);
+                $val['extra'] = [];
                 foreach ($extra as $v) {
                     if (preg_match('/^([^:]+):(.+)\[(.+)\]$/i', $v, $match)) {
                         $item = [
-                            'name'  => $match[2],
-                            'value' => $match[1]
+                            'name'          => $match[2],
+                            'value'         => $match[1],
+                            'linkage_names' => array_map(function ($it) {
+                                return trim(trim($it), "'");
+                            }, explode(',', $match[3]))
                         ];
-                        if (isset($match[3])) {
-                            $children = [];
-                            $names    = explode(',', $match[3]);
-                            foreach ($names as $name) {
-                                $name = trim(trim($name), "'");
-                                $need_delete_names[] = $name;
-                                if (!empty($map[$name])) {
-                                    $children[] = $map[$name];
-                                }
-                            }
-                            // 处理子级
-                            if (!empty($children)) {
-                                $item['children'] = $this->handleExtra($children, $map);
-                            }
-                        }
-                        unset($val['extra']);
-                        if (!isset($val['extras'])) {
-                            $val['extras'] = [];
-                        }
-                        $val['extras'][] = $item;
+                        $linkage_names = array_merge($linkage_names, $item['linkage_names']);
+                        $val['extra'][] = $item;
                     }
                 }
             }
-            $ret[] = $val;
         }
-        // 删除多余的配置项
-        foreach ($ret as $k => $it) {
-            if (in_array($it['name'], $need_delete_names)) {
-                unset($ret[$k]);
+        unset($val);
+
+        $linkage_data = [];
+        foreach ($data as $key => $val) {
+            if (in_array($val['name'], $linkage_names)) {
+                $linkage_data[$val['name']] = $val;
+                unset($data[$key]);
             }
         }
+
+        return [$data, $linkage_data];
+    }
+    private function buildExtra($data, $linkage_data)
+    {
+        $ret = [];
+        foreach ($data as $val) {
+            if (!empty($val['extra'])) {
+                foreach ($val['extra'] as &$v) {
+                    $linkage_names = $v['linkage_names'];
+                    unset($v['linkage_names']);
+                    $children = [];
+                    foreach ($linkage_names as $name) {
+                        if (!empty($linkage_data[$name])) {
+                            $children[] = $linkage_data[$name];
+                        }
+                    }
+                    $v['children'] = $this->handleExtra($children);
+                }
+                unset($v);
+            }
+            $ret[] = $val;
+        }
+
         return $ret;
     }