diff --git a/frontend_nuxt/components/SearchPersonDropdown.vue b/frontend_nuxt/components/SearchPersonDropdown.vue
new file mode 100644
index 000000000..1ff229bad
--- /dev/null
+++ b/frontend_nuxt/components/SearchPersonDropdown.vue
@@ -0,0 +1,198 @@
+<template>
+  <div class="search-dropdown">
+    <Dropdown
+      ref="dropdown"
+      v-model="selected"
+      :fetch-options="fetchResults"
+      remote
+      menu-class="search-menu"
+      option-class="search-option"
+      :show-search="isMobile"
+      @update:search="keyword = $event"
+      @close="onClose"
+    >
+      <template #display="{ setSearch }">
+        <div class="search-input">
+          <i class="search-input-icon fas fa-search"></i>
+          <input
+            class="text-input"
+            v-model="keyword"
+            placeholder="Search users"
+            @input="setSearch(keyword)"
+          />
+        </div>
+      </template>
+      <template #option="{ option }">
+        <div class="search-option-item">
+          <img
+            :src="option.avatar || '/default-avatar.svg'"
+            class="avatar"
+            @error="handleAvatarError"
+          />
+          <div class="result-body">
+            <div class="result-main" v-html="highlight(option.username)"></div>
+            <div
+              v-if="option.introduction"
+              class="result-sub"
+              v-html="highlight(option.introduction)"
+            ></div>
+          </div>
+        </div>
+      </template>
+    </Dropdown>
+  </div>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import Dropdown from '~/components/Dropdown.vue'
+import { stripMarkdown } from '~/utils/markdown'
+import { useIsMobile } from '~/utils/screen'
+import { getToken } from '~/utils/auth'
+const config = useRuntimeConfig()
+const API_BASE_URL = config.public.apiBaseUrl
+
+const emit = defineEmits(['close'])
+
+const keyword = ref('')
+const selected = ref(null)
+const results = ref([])
+const dropdown = ref(null)
+const isMobile = useIsMobile()
+
+const toggle = () => {
+  dropdown.value.toggle()
+}
+
+const onClose = () => emit('close')
+
+const fetchResults = async (kw) => {
+  if (!kw) return []
+  const res = await fetch(`${API_BASE_URL}/api/search/users?keyword=${encodeURIComponent(kw)}`)
+  if (!res.ok) return []
+  const data = await res.json()
+  results.value = data.map((u) => ({
+    id: u.id,
+    username: u.username,
+    avatar: u.avatar,
+    introduction: u.introduction,
+  }))
+  return results.value
+}
+
+const highlight = (text) => {
+  text = stripMarkdown(text || '')
+  if (!keyword.value) return text
+  const reg = new RegExp(keyword.value, 'gi')
+  return text.replace(reg, (m) => `<span class="highlight">${m}</span>`)
+}
+
+const handleAvatarError = (e) => {
+  e.target.src = '/default-avatar.svg'
+}
+
+watch(selected, async (val) => {
+  if (!val) return
+  const user = results.value.find((u) => u.id === val)
+  if (!user) return
+  const token = getToken()
+  if (!token) {
+    navigateTo('/login', { replace: true })
+  } else {
+    try {
+      const res = await fetch(`${API_BASE_URL}/api/messages/conversations`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${token}`,
+        },
+        body: JSON.stringify({ recipientId: user.id }),
+      })
+      if (res.ok) {
+        const data = await res.json()
+        navigateTo(`/message-box/${data.conversationId}`, { replace: true })
+      }
+    } catch (e) {
+      // ignore
+    }
+  }
+  selected.value = null
+  keyword.value = ''
+})
+
+defineExpose({
+  toggle,
+})
+</script>
+
+<style scoped>
+.search-dropdown {
+  margin-top: 20px;
+  width: 500px;
+}
+
+.search-input {
+  padding: 10px;
+  display: flex;
+  align-items: center;
+  width: 100%;
+}
+
+.text-input {
+  background-color: var(--app-menu-background-color);
+  color: var(--text-color);
+  border: none;
+  outline: none;
+  width: 100%;
+  margin-left: 10px;
+  font-size: 16px;
+}
+
+.search-menu {
+  width: 100%;
+  max-width: 600px;
+}
+
+@media (max-width: 768px) {
+  .search-dropdown {
+    width: 100%;
+  }
+}
+
+.search-option-item {
+  display: flex;
+  gap: 10px;
+}
+
+.search-option {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 20px;
+}
+
+:deep(.highlight) {
+  color: var(--primary-color);
+}
+
+.avatar {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  object-fit: cover;
+}
+
+.result-body {
+  display: flex;
+  flex-direction: column;
+}
+
+.result-main {
+  font-weight: bold;
+}
+
+.result-sub {
+  font-size: 12px;
+  color: #666;
+}
+</style>
diff --git a/frontend_nuxt/pages/message-box/index.vue b/frontend_nuxt/pages/message-box/index.vue
index 4fb24affa..e4d27bfed 100644
--- a/frontend_nuxt/pages/message-box/index.vue
+++ b/frontend_nuxt/pages/message-box/index.vue
@@ -9,7 +9,7 @@
     </div>
 
     <div v-if="!loading" class="search-container">
-      <SearchDropdown />
+      <SearchPersonDropdown />
     </div>
 
     <div v-if="!loading && conversations.length === 0" class="empty-container">
@@ -66,7 +66,7 @@ import { useWebSocket } from '~/composables/useWebSocket'
 import { useUnreadCount } from '~/composables/useUnreadCount'
 import TimeManager from '~/utils/time'
 import { stripMarkdownLength } from '~/utils/markdown'
-import SearchDropdown from '~/components/SearchDropdown.vue'
+import SearchPersonDropdown from '~/components/SearchPersonDropdown.vue'
 import BasePlaceholder from '~/components/BasePlaceholder.vue'
 
 const config = useRuntimeConfig()