update

@@ -25,6 +25,7 @@ class ProjectCountryLogic extends BaseLogic
         if (empty($lists)){
             $lists = [];
         }
+        $lists['country_lists'] = $this->countryListsFormat($lists['country_lists']);
         return $this->success($lists);
     }
 
@@ -39,6 +40,8 @@ class ProjectCountryLogic extends BaseLogic
         if(!isset($this->param['country_lists']) || empty($this->param['country_lists'])){
             $this->param['country_lists'] = '';
         }
+
+        $this->param['country_lists'] = $this->countryListsFormat($this->param['country_lists']);
         $info = $this->model->read(['project_id'=>$this->user['project_id']]);
         if($info === false){
             $this->param['project_id'] = $this->user['project_id'];
@@ -51,4 +54,15 @@ class ProjectCountryLogic extends BaseLogic
         }
         return $this->success();
     }
+
+    protected function countryListsFormat($country_lists)
+    {
+        //默认选中主语种
+        $country_lists = explode(',', $country_lists);
+        $main_lang_id = $this->project['main_lang_id'] ?? 1;
+        if (!in_array($main_lang_id, $country_lists)) {
+            $country_lists[] = $main_lang_id;
+        }
+        return implode(',', $country_lists);
+    }
 }