diff --git a/src/components/AppLayout.vue b/src/components/AppLayout.vue
index 006d4826d..cc00cdf1d 100644
--- a/src/components/AppLayout.vue
+++ b/src/components/AppLayout.vue
@@ -102,6 +102,7 @@ onMounted(() => {
   font-size: var(--font-size-xl);
   font-weight: var(--font-weight-medium);
   color: var(--color-text-primary);
+  user-select: none;
 }
 
 .main-area {