diff --git a/users/tao/nushell/env.nu b/users/tao/nushell/env.nu
index 9171d7e..9997a87 100644
--- a/users/tao/nushell/env.nu
+++ b/users/tao/nushell/env.nu
@@ -85,4 +85,4 @@ $env.GOPATH = '/home/tao/.go'
 
 # $env.CARAPACE_BRIDGES
 mkdir ~/.cache/carapace
-carapace _carapace nushell | save -f ~/.cache/carapace/init.nu
+# carapace _carapace nushell | save -f ~/.cache/carapace/init.nu
diff --git a/users/tao/nushell/extras/alias.nu b/users/tao/nushell/extras/alias.nu
index 0f0167f..178b62a 100644
--- a/users/tao/nushell/extras/alias.nu
+++ b/users/tao/nushell/extras/alias.nu
@@ -32,6 +32,10 @@ alias js = jj status
 alias jw = jj workspace update-stale
 
 def jm [-r: string = "@"] {
+  mut r = $r
+  if (jj log -r @ --no-pager --no-graph --template 'if(empty,"empty")' | $in == "empty") {
+    $r = "@-"
+  }
   jj bookmark set main -r $r
   jj git push
 }
diff --git a/users/tao/nushell/extras/tailscale.nu b/users/tao/nushell/extras/tailscale.nu
index 73810b0..0630ba4 100644
--- a/users/tao/nushell/extras/tailscale.nu
+++ b/users/tao/nushell/extras/tailscale.nu
@@ -28,9 +28,11 @@ def tse [exit_node: string = ""] {
 # list all mullvad exit nodes
 def tsx [] {
 tailscale exit-node list
-  | detect columns --guess
-  | drop 3
+  | lines
+  | drop 4
   | skip 1
+  | to text
+  | detect columns --guess
   | where HOSTNAME =~ mullvad
   | reject STATUS
 }