diff --git a/library/think/log/driver/Socket.php b/library/think/log/driver/Socket.php
index 018c211b..612a9021 100644
--- a/library/think/log/driver/Socket.php
+++ b/library/think/log/driver/Socket.php
@@ -11,6 +11,8 @@
 
 namespace think\log\driver;
 
+use think\App;
+
 /**
  * github: https://github.com/luofei614/SocketLog
  * @author luofei614<weibo.com/luofei614>