职位海报

@@ -421,7 +421,7 @@ class Index extends Api
         $qrcode = $dir.'/qrcode_'.$job_id.'.png';
         if(!file_exists($qrcode)){
             $user_id = $this->auth->id > 0 ? $this->auth->id : 0;
-            $response = Wechat::miniProgram()->app_code->getUnlimit($job_id.'_'.$user_id, [
+            $response = Wechat::miniProgram()->app_code->getUnlimit("{$job_id}_{$user_id}", [
                 'page'  => 'pages/zhiwei_xq/zhiwei_xq',
                 'width' => 280, //最小宽度280
             ]);