diff --git a/app/admin/controller/v1/SiteConfig.php b/app/admin/controller/v1/SiteConfig.php
index a1a6cc56..c1ca70e2 100644
--- a/app/admin/controller/v1/SiteConfig.php
+++ b/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)) {
diff --git a/app/admin/validate/v1/SysConfigValidate.php b/app/admin/validate/v1/SysConfigValidate.php
index a64b1060..28f7e0eb 100644
--- a/app/admin/validate/v1/SysConfigValidate.php
+++ b/app/admin/validate/v1/SysConfigValidate.php
@@ -19,8 +19,8 @@ class SysConfigValidate extends Validate
         'group_id' => 'require|integer',
         'title'    => 'require|max:64',
         'name'     => 'require|unique:sys_config,group_id^name|max:64',
-        'value'    => 'max:512',
-        'extra'    => 'max:512|checkLinkage',
+        'value'    => 'max:5120',
+        'extra'    => 'max:5120|checkLinkage',
         'type'     => 'max:64',
         'sort'     => 'integer',
         'remark'   => 'max:255'
@@ -42,8 +42,8 @@ class SysConfigValidate extends Validate
         'name.require'     => '标识不能为空',
         'name.unique'      => '标识已存在',
         'name.max'         => '名称最多不能超过64个字符',
-        'value.max'        => '值最多不能超过512个字符',
-        'extra.max'        => '额外信息最多不能超过512个字符',
+        'value.max'        => '值最多不能超过5120个字符',
+        'extra.max'        => '额外信息最多不能超过5120个字符',
         'type.max'         => '类型最多不能超过64个字符',
         'sort.integer'     => '排序必须是整数',
         'remark.max'       => '备注最多不能超过255个字符',