222

@@ -220,7 +220,7 @@ class Index extends Api
     public function ProductClassList()
     {
         $param = $this->request->param();
-        if (empty($param['class_con'])) {
+        if (!empty($param['class_con'])) {
             $class_arr = Db::name('class_con')->where(['class_ids' => $param['isclass']])->select();
             foreach ($class_arr as $k => $v) {
                 $return[$k]['class_con'] = $v['class_con'];