diff --git a/layers/components/layouts/Header.vue b/layers/components/layouts/Header.vue
index b8e1839..41c0528 100644
--- a/layers/components/layouts/Header.vue
+++ b/layers/components/layouts/Header.vue
@@ -280,7 +280,6 @@ onMounted(() => {
                   class="nav-item"
                   :class="{
                     'is-hidden':
-                      isMounted &&
                       overflowNam > 0 &&
                       Number(key) >=
                         Object.keys(gnbData?.menus).length - overflowNam,
@@ -332,7 +331,7 @@ onMounted(() => {
                   </Transition>
                 </div>
               </div>
-              <div v-if="isMounted && overflowNam > 0" class="more">
+              <div v-if="overflowNam > 0" class="more">
                 <button class="btn-more">
                   <AtomsIconsOptionHorizontalFill class="mx-auto" />
                   <span class="sr-only">more</span>
@@ -379,23 +378,27 @@ onMounted(() => {
                 </div>
               </div>
             </template>
-            <div v-if="gameData?.event_banner" class="event">
-              <div class="nav-item">
-                <AtomsLocaleLink
-                  :to="gameData?.event_banner?.page_url"
-                  :target="
-                    gameData?.event_banner?.link_type === 1 ? '_self' : '_blank'
-                  "
-                  class="nav-1depth text-gradient-pink"
-                  @click="handleMenuClose"
-                >
-                  <AtomsIconsStarFill />
-                  <span>{{ tm('Gnb_Event') }}</span>
-                  <AtomsIconsStarFill />
-                  <AtomsIconsArrowRightLine class="ml-auto md:hidden" />
-                </AtomsLocaleLink>
+            <ClientOnly>
+              <div v-if="gameData?.event_banner" class="event">
+                <div class="nav-item">
+                  <AtomsLocaleLink
+                    :to="gameData?.event_banner?.page_url"
+                    :target="
+                      gameData?.event_banner?.link_type === 1
+                        ? '_self'
+                        : '_blank'
+                    "
+                    class="nav-1depth text-gradient-pink"
+                    @click="handleMenuClose"
+                  >
+                    <AtomsIconsStarFill />
+                    <span>{{ tm('Gnb_Event') }}</span>
+                    <AtomsIconsStarFill />
+                    <AtomsIconsArrowRightLine class="ml-auto md:hidden" />
+                  </AtomsLocaleLink>
+                </div>
               </div>
-            </div>
+            </ClientOnly>
           </nav>
           <ClientOnly>
             <div ref="startRef" class="btn-start">