优化合格原因

application/admin/controller/Entrust.php

@@ -475,6 +475,7 @@ class Entrust extends Backend
         $params[$ke]['judge'] = 0;
         if ($is_pass == 4) {
             $params[$ke]['judge'] = 1;
+            $str = '';
         }
         $params[$ke]['entrust_no'] = $entrust['no'];
         $params[$ke]['entrust_id'] = $entrust['id'];