diff --git a/frontend_nuxt/components/Dropdown.vue b/frontend_nuxt/components/Dropdown.vue
index a5bf3bed9..583198dd7 100644
--- a/frontend_nuxt/components/Dropdown.vue
+++ b/frontend_nuxt/components/Dropdown.vue
@@ -168,9 +168,19 @@ export default {
     const mobileMenuRef = ref(null)
     const isMobile = useIsMobile()
 
+    const openMenu = () => {
+      if (!open.value) {
+        open.value = true
+      }
+    }
+
     const toggle = () => {
-      open.value = !open.value
-      if (!open.value) emit('close')
+      if (open.value) {
+        open.value = false
+        emit('close')
+      } else {
+        open.value = true
+      }
     }
 
     const close = () => {
@@ -275,7 +285,7 @@ export default {
       return /^https?:\/\//.test(icon) || icon.startsWith('/')
     }
 
-    expose({ toggle, close, reload, scrollToBottom })
+    expose({ toggle, close, reload, scrollToBottom, openMenu })
 
     return {
       open,
@@ -308,7 +318,6 @@ export default {
   border: 1px solid var(--normal-border-color);
   border-radius: 5px;
   padding: 5px 10px;
-  margin-bottom: 4px;
   cursor: pointer;
   display: flex;
   justify-content: space-between;
@@ -331,6 +340,7 @@ export default {
   z-index: 10000;
   max-height: 300px;
   min-width: 350px;
+  margin-top: 4px;
   overflow-y: auto;
 }
 
diff --git a/frontend_nuxt/components/HeaderComponent.vue b/frontend_nuxt/components/HeaderComponent.vue
index 431fb7144..0833e0e81 100644
--- a/frontend_nuxt/components/HeaderComponent.vue
+++ b/frontend_nuxt/components/HeaderComponent.vue
@@ -26,6 +26,11 @@
 
       <ClientOnly>
         <div class="header-content-right">
+          <SearchDropdown
+            ref="searchDropdown"
+            v-if="!isMobile || showSearch"
+            @close="closeSearch"
+          />
           <!-- 搜索 -->
           <ToolTip v-if="isMobile" content="搜索" placement="bottom">
             <div class="header-icon-item" @click="search">
@@ -106,7 +111,6 @@
           </div>
         </div>
       </ClientOnly>
-      <SearchDropdown ref="searchDropdown" v-if="isMobile && showSearch" @close="closeSearch" />
     </div>
   </header>
 </template>
diff --git a/frontend_nuxt/components/SearchDropdown.vue b/frontend_nuxt/components/SearchDropdown.vue
index 348701a7b..fedbee882 100644
--- a/frontend_nuxt/components/SearchDropdown.vue
+++ b/frontend_nuxt/components/SearchDropdown.vue
@@ -17,7 +17,8 @@
           <input
             class="text-input"
             v-model="keyword"
-            placeholder="Search"
+            placeholder="键盘点击「/」以触发搜索"
+            ref="searchInput"
             @input="setSearch(keyword)"
           />
         </div>
@@ -48,7 +49,7 @@
 </template>
 
 <script setup>
-import { ref, watch } from 'vue'
+import { onBeforeUnmount, onMounted, ref, watch } from 'vue'
 import Dropdown from '~/components/Dropdown.vue'
 import { stripMarkdown } from '~/utils/markdown'
 import { useIsMobile } from '~/utils/screen'
@@ -61,8 +62,48 @@ const keyword = ref('')
 const selected = ref(null)
 const results = ref([])
 const dropdown = ref(null)
+const searchInput = ref(null)
 const isMobile = useIsMobile()
 
+const isEditableElement = (el) => {
+  if (!el) return false
+  if (el.isContentEditable) return true
+  const tagName = el.tagName ? el.tagName.toLowerCase() : ''
+  if (tagName === 'input' || tagName === 'textarea' || tagName === 'select') {
+    return true
+  }
+  const role = el.getAttribute ? el.getAttribute('role') : null
+  return role === 'textbox'
+}
+
+const focusSearchInput = () => {
+  if (!searchInput.value) return
+  dropdown.value?.openMenu?.()
+  if (typeof searchInput.value.focus === 'function') {
+    try {
+      searchInput.value.focus({ preventScroll: true })
+    } catch (e) {
+      searchInput.value.focus()
+    }
+  }
+}
+
+const handleGlobalSlash = (event) => {
+  if (event.defaultPrevented) return
+  if (event.key !== '/' || event.ctrlKey || event.metaKey || event.altKey) return
+  if (isEditableElement(document.activeElement)) return
+  event.preventDefault()
+  focusSearchInput()
+}
+
+onMounted(() => {
+  window.addEventListener('keydown', handleGlobalSlash)
+})
+
+onBeforeUnmount(() => {
+  window.removeEventListener('keydown', handleGlobalSlash)
+})
+
 const toggle = () => {
   dropdown.value.toggle()
 }
@@ -144,8 +185,7 @@ defineExpose({
 
 <style scoped>
 .search-dropdown {
-  margin-top: 20px;
-  width: 500px;
+  width: 300px;
 }
 
 .search-mobile-trigger {
@@ -154,7 +194,7 @@ defineExpose({
 }
 
 .search-input {
-  padding: 10px;
+  padding: 2px 10px;
   display: flex;
   align-items: center;
   width: 100%;
@@ -202,7 +242,7 @@ defineExpose({
 }
 
 .result-body {
-  line-height: 1;  
+  line-height: 1;
   display: flex;
   flex-direction: column;
 }
@@ -216,4 +256,14 @@ defineExpose({
   font-size: 12px;
   color: #666;
 }
+
+.search-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  z-index: 10000;
+}
 </style>
diff --git a/frontend_nuxt/pages/index.vue b/frontend_nuxt/pages/index.vue
index e33a39000..65b9365e9 100644
--- a/frontend_nuxt/pages/index.vue
+++ b/frontend_nuxt/pages/index.vue
@@ -1,9 +1,9 @@
 <template>
   <div class="home-page">
-    <div v-if="!isMobile" class="search-container">
+    <!-- <div v-if="!isMobile" class="search-container">
       <div class="search-title">一切可能，从此刻启航，在此遇见灵感与共鸣</div>
       <SearchDropdown />
-    </div>
+    </div> -->
 
     <div class="topic-container">
       <div class="topic-item-container">
@@ -379,7 +379,6 @@ onBeforeUnmount(() => {
 /** 供 InfiniteLoadMore 重建用的 key：筛选/Tab 改变即重建内部状态 */
 const ioKey = computed(() => asyncKey.value.join('::'))
 
-
 // 页面选项同步到全局状态
 watch([selectedCategory, selectedTags], ([newCategory, newTags]) => {
   selectedCategoryGlobal.value = newCategory
@@ -544,14 +543,14 @@ watch([selectedCategory, selectedTags], ([newCategory, newTags]) => {
 .header-item.views {
   width: 5%;
   justify-content: flex-end;
-  text-align: right;  
+  text-align: right;
 }
 
 .article-time,
 .header-item.activity {
   width: 10%;
   justify-content: flex-end;
-  text-align: left;  
+  text-align: left;
 }
 
 .article-item-title {
diff --git a/frontend_nuxt/pages/posts/[id]/index.vue b/frontend_nuxt/pages/posts/[id]/index.vue
index 845241141..1bd91fd50 100644
--- a/frontend_nuxt/pages/posts/[id]/index.vue
+++ b/frontend_nuxt/pages/posts/[id]/index.vue
@@ -92,7 +92,7 @@
           ></div>
 
           <div class="article-footer-container">
-            <div class="option-container">
+            <div class="article-option-container">
               <ReactionsGroup
                 ref="postReactionsGroupRef"
                 v-model="postReactions"
@@ -1286,7 +1286,7 @@ onMounted(async () => {
   margin-bottom: 10px;
 }
 
-.option-container {
+.article-option-container {
   display: flex;
   flex-direction: row;
   align-items: center;