diff --git a/application/controllers/information.php b/application/controllers/information.php
index fb2420d9..71daacbf 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -1105,7 +1105,7 @@ class Information extends CI_Controller
         //读取备用节点
         if (empty($data) && !empty($recommand->ir_urls)) {//查不到信息并且备选urls不为空，则随机选一条
             $url_array = explode("\n", $recommand->ir_urls);
-            $data = $this->Information_model->Detail($url_array[rand(0, count($url_array) - 1)]);
+            $data = $this->Information_model->Detail(trim($url_array[rand(0, count($url_array) - 1)]));
         }
         if (!empty($data)) {
             $exclude_ids[] = $data->is_id;