curl错误中断

application/controllers/amp.php

@@ -16,7 +16,6 @@ class Amp extends CI_Controller {
     public function index() {
         $data = array();
         $this->load->view('bootstrap3/header', $data);
-        $this->load->view('amp_editor');
         $this->load->view('bootstrap3/footer');
     }
 

application/helpers/info_helper.php

@@ -312,6 +312,11 @@ function get_content_by_url($url) {
         curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容  
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回  
         $tmpInfo = curl_exec($curl); // 执行操作  
+        $httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+        if($httpCode>=400){//页面状态，如果大于400说明页面打不开
+            log_message('error', " curl {$httpCode} {$url} ");
+            return false;
+        }
         $errno = curl_errno($curl);
         if ($errno !== 0) {
             return false;