diff --git a/mark b/mark
new file mode 100755
index 0000000..90da608
--- /dev/null
+++ b/mark
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+sed -i "s/&&&BUILDVER&&&/$(date +'%y%m%d%H%M%S')/" src/lib/Sidebar.svelte
diff --git a/src/lib/Sidebar.svelte b/src/lib/Sidebar.svelte
index e090c9a..4003d73 100644
--- a/src/lib/Sidebar.svelte
+++ b/src/lib/Sidebar.svelte
@@ -30,6 +30,7 @@
 </script>
 
 <aside class="menu main-menu" class:pinned={$pinMainMenu} use:clickOutside={() => { $pinMainMenu = false }}>
+  <div style="font-size:8px;position:fixed;top:1px;right:2px;">V&&&BUILDVER&&&</div>
   <div class="menu-expanse">
       <div class="navbar-brand menu-nav-bar">
         <a class="navbar-item gpt-logo" href={'#/'}>