fix

application/controllers/information.php

@@ -111,6 +111,11 @@ class Information extends CI_Controller
   //is_id 信息结构ID，
   public function copy_by_is_id($src_is_id, $dest_is_id)
   {
+    if (empty ($src_is_id) || empty ($src_is_id)) {
+      echo 'need 2 is_id';
+      return false;
+    }
+
     $data = array();
     if ($src_is_id == $dest_is_id || empty ($src_is_id) || empty ($dest_is_id)) {
       return false;