gx锚文本设置

@@ -54,9 +54,11 @@ class WebSettingTextLogic extends BaseLogic
      */
     public function setting_text_save(){
         $web_setting = new WebSetting();
+        if(isset($this->param['data']) && !empty($this->param['data'])){
             if(count($this->param['data']) > $this->param['anchor_num']){
                 $this->fail('超过最大设置限制');
             }
+        }
         //更新描文本设置
         if($this->param['anchor_is_enable'] == 0){
             $this->param['anchor_keyword_is_enable'] = 0;