diff --git a/extend/catcher/CatchModelCollection.php b/extend/catcher/CatchModelCollection.php
index 3c7fb81..63231cf 100644
--- a/extend/catcher/CatchModelCollection.php
+++ b/extend/catcher/CatchModelCollection.php
@@ -6,6 +6,7 @@ namespace catcher;
 use catcher\library\excel\Excel;
 use catcher\library\excel\ExcelContract;
 use think\facade\Cache;
+use think\helper\Str;
 use think\model\Collection;
 
 class CatchModelCollection extends Collection