update

@@ -25,6 +25,11 @@ class ImportLogic extends BaseLogic
      */
     public function addImportTask()
     {
+        $ext = explode('.', $this->param['file_url']);
+        if (end($ext) != 'csv') {
+            $this->fail('导入文件格式必须为csv');
+        }
+
         $this->param['project_id'] = $this->user['project_id'];
         $this->param['user_id'] = $this->user['id'];
         $rs = $this->model->add($this->param);