diff --git a/.config/fish/functions/nv.fish b/.config/fish/functions/nv.fish
index e805af59..2ab6f735 100644
--- a/.config/fish/functions/nv.fish
+++ b/.config/fish/functions/nv.fish
@@ -1,14 +1,18 @@
-function nv --description 'nvchecker script'
-    nvchecker
-    echo Changes:\n
-    nvcmp
-    echo \nDo you want to mark the updates as applied?
-    set -l prompt Type UPDATE to run `nvtake`, anything else to quit': '
-    read -l response --prompt-str="$prompt"
-    # clear prompt
-    printf "\033[1A\033[2K"
-    printf "\033[1A\033[2K"
-    if test "$response" = UPDATE; or return 0
-        nvtake
+function nv --description 'nvchecker script' -a cmd
+    if test $cmd = show
+        cat ~/.config/nvchecker/new_ver.json
+    else
+        nvchecker
+        echo Changes:\n
+        nvcmp
+        echo \nDo you want to mark the updates as applied?
+        set -l prompt Type UPDATE to run `nvtake --all`, anything else to quit': '
+        read -l response --prompt-str="$prompt"
+        # clear prompt
+        printf "\033[1A\033[2K"
+        printf "\033[1A\033[2K"
+        if test "$response" = UPDATE; or return 0
+            nvtake --all
+        end
     end
 end