echo json_encode(array('err'=>'容错1'));

application/controllers/infofix.php

@@ -117,7 +117,7 @@ class infofix extends CI_Controller
     //echo ($keys);
     //return true;
 
-    // 容错
+    // 容错1
     if (
       empty($site) ||
       count($keyArr) != 4 ||
@@ -127,7 +127,7 @@ class infofix extends CI_Controller
       mb_stripos($keys, '@@') !== false ||
       mb_stripos($keys, '@ @') !== false
     ) {
-      echo json_encode(array());
+      echo json_encode(array('err' => '容错1'));
       return false;
     }
 
@@ -146,7 +146,7 @@ class infofix extends CI_Controller
       mb_stripos($newStr, '/') === false ||
       mb_stripos($oldStr, '/') === false
     ) {
-      echo json_encode(array());
+      echo json_encode(array('err' => '容错2'));
       return false;
     }