diff --git a/fish/add-on.fish b/fish/add-on.fish
index dc6d0e8..215385a 100644
--- a/fish/add-on.fish
+++ b/fish/add-on.fish
@@ -82,6 +82,11 @@ function ls --description 'alias ls to eza if possible'
     command ls -la $argv
 end
 
+## 按修改时间排序列出文件
+function lt --description 'ls sorted by time'
+    ls --sort=modified $argv
+end
+
 ## 更新配置
 function dotu
     set -l current_dir (pwd)