diff --git a/framework/base/router.class.php b/framework/base/router.class.php
index e735758a34..db2e5b9ac5 100644
--- a/framework/base/router.class.php
+++ b/framework/base/router.class.php
@@ -3505,45 +3505,26 @@ class baseRouter
     }
 }
 
-if(version_compare(PHP_VERSION, '8.2.0', '>='))
-{
-    #[\AllowDynamicProperties] // https://www.php.net/manual/zh/class.allowdynamicproperties.php
-    class config
-    {
-        public function set(string $key, $value)
-        {
-            helper::setMember('config', $key, $value);
-        }
-    }
-}
-else
+#[AllowDynamicProperties]
+class config
 {
     /**
-     * config类。
-     * The config class.
+     * 设置成员变量，成员可以是'db.user'类似的格式。
+     * Set the value of a member. the member can be the format like db.user.
      *
-     * @package framework
+     * <code>
+     * <?php
+     * $config->set('db.user', 'wwccss');
+     * ?>
+     * </code>
+     * @param   string  $key    the key of the member
+     * @param   mixed   $value  the value
+     * @access  public
+     * @return  void
      */
-    class config
+    public function set(string $key, $value)
     {
-        /**
-         * 设置成员变量，成员可以是'db.user'类似的格式。
-         * Set the value of a member. the member can be the format like db.user.
-         *
-         * <code>
-         * <?php
-         * $config->set('db.user', 'wwccss');
-         * ?>
-         * </code>
-         * @param   string  $key    the key of the member
-         * @param   mixed   $value  the value
-         * @access  public
-         * @return  void
-         */
-        public function set(string $key, $value)
-        {
-            helper::setMember('config', $key, $value);
-        }
+        helper::setMember('config', $key, $value);
     }
 }