diff --git a/fish/add-on.fish b/fish/add-on.fish
index d991bee..f167f13 100644
--- a/fish/add-on.fish
+++ b/fish/add-on.fish
@@ -6,7 +6,18 @@ function ls --description 'alias ls to eza if possible'
     end
 end
 
-abbr -a port 'sudo ss -tulnp | grep'
-abbr -a process 'ps aux | grep'
+function dotu
+    set -l current_dir (pwd)
+    
+    cd $HOME/.flinty
+    if git pull
+        source ~/.config/fish/config.fish
+        echo "Config reloaded successfully!"
+    end
+    
+    # 回到原位
+    cd $current_dir
+end
 
-alias dotu='cd $HOME/.flinty && git pull && source ~/.config/fish/config.fish'
\ No newline at end of file
+abbr -a port 'sudo ss -tulnp | grep'
+abbr -a process 'ps aux | grep'
\ No newline at end of file