refactor: 修改额外配置项

app/admin/controller/v1/SiteConfig.php

@@ -150,14 +150,14 @@ class SiteConfig
             return error('参数错误');
         }
 
-        $validate = validate([
+        $validate = \think\facade\Validate::rule([
                 'id'    => 'require|integer',
-                'value' => 'max:512'
+                'value' => 'max:5120'
             ])
             ->message([
                 'id.require'    => '配置项ID不能为空',
                 'id.integer'    => '配置项ID必须是整数',
-                'value.max'     => '配置值不能超过512个字符'
+                'value.max'     => '配置值不能超过5120个字符'
             ]);
         foreach ($put as $val) {
             if (!$validate->check($val)) {