update

app/Models/Config.php

@@ -21,7 +21,7 @@ class Config extends BaseModel
      *
      */
 
-    public static function setPc28Switch()
+    public static function setPc28Switch(): void
     {
         $pc28_switch = Cache::get('pc28_switch', 36);
         $pc28_switch = intval($pc28_switch);