diff --git a/components/i/Nav.vue b/components/i/Nav.vue
index 2bd98647fb7a569b0de6227733cfed92be17d32d..73fbb052429a47a36da03f4e752cdcd8b6a81322 100644
--- a/components/i/Nav.vue
+++ b/components/i/Nav.vue
@@ -22,7 +22,7 @@
         <ClientOnly>
             <UButton
                 v-if="!$isSignIn"
-                class="flex flex-grow gap-2 justify-center"
+                class="flex gap-2 justify-center"
                 size="lg"
                 label="登录"
                 @click="handleOpenSign"