diff --git a/library/think/Model.php b/library/think/Model.php
index 493d055a..386ddaea 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -13,7 +13,7 @@ namespace think;
 
 use InvalidArgumentException;
 use think\db\Query;
-use think\Exception\ValidateException;
+use think\exception\ValidateException;
 use think\model\Collection as ModelCollection;
 use think\model\Relation;
 use think\model\relation\BelongsTo;