diff --git a/application/admin/command/Addon.php b/application/admin/command/Addon.php
index 4e88529a..c1283f6e 100644
--- a/application/admin/command/Addon.php
+++ b/application/admin/command/Addon.php
@@ -8,6 +8,7 @@ use think\console\Command;
 use think\console\Input;
 use think\console\input\Option;
 use think\console\Output;
+use think\Db;
 use think\Exception;
 
 class Addon extends Command