diff --git a/client/src/App.vue b/client/src/App.vue
index b218105..5bfb2d4 100644
--- a/client/src/App.vue
+++ b/client/src/App.vue
@@ -37,6 +37,13 @@
 
     <!-- Inquiry Modal (Hide on Admin & Login) -->
     <InquiryModal v-if="!isAdminOrLogin" class="relative z-[80]" />
+
+    <!-- User Profile Modal (Global) -->
+    <UserProfileModal
+      :is-open="profileModalOpen"
+      :user-id="profileUserId"
+      @close="closeUserProfile"
+    />
   </div>
 </template>
 
@@ -48,7 +55,11 @@ import MobileMenu from './components/MobileMenu.vue'
 import Footer from './components/Footer.vue'
 import InquiryModal from './components/InquiryModal.vue'
 import StarBackground from './components/StarBackground.vue'
-import { getPublicSettings } from './services/api'
+import UserProfileModal from './components/UserProfileModal.vue'
+import { useUserProfileModal } from './composables/useUserProfileModal'
+import { loadPublicSettings } from './composables/usePublicSettings'
+
+const { isOpen: profileModalOpen, activeUserId: profileUserId, closeUserProfile } = useUserProfileModal()
 
 const route = useRoute()
 
@@ -67,7 +78,7 @@ const isAdminOrLoginOrBlog = computed(() => {
 // 应用网站配置到页面标题和meta标签
 const applySiteSettings = async () => {
   try {
-    const settings = await getPublicSettings()
+    const settings = await loadPublicSettings()
 
     // 设置页面标题
     if (settings.site_title) {
diff --git a/client/src/components/AuthorInfo.vue b/client/src/components/AuthorInfo.vue
index 0185cb4..c6d82e8 100644
--- a/client/src/components/AuthorInfo.vue
+++ b/client/src/components/AuthorInfo.vue
@@ -1,10 +1,14 @@
 <template>
-  <div
-    class="author-info flex items-center gap-2 min-w-0"
+  <component
+    :is="clickable && userId ? 'button' : 'div'"
+    type="button"
+    class="author-info flex items-center gap-2 min-w-0 text-left"
     :class="[
       variant === 'compact' ? 'gap-2' : 'gap-3 md:gap-4',
-      themeClasses.wrapper
+      themeClasses.wrapper,
+      clickable && userId ? 'cursor-pointer group/author hover:opacity-90 transition-opacity border-0 bg-transparent p-0 m-0' : ''
     ]"
+    @click="handleClick"
   >
     <div
       class="shrink-0 overflow-hidden flex items-center justify-center border rounded-full"
@@ -47,11 +51,12 @@
         用户#{{ userId }}
       </div>
     </div>
-  </div>
+  </component>
 </template>
 
 <script setup lang="ts">
 import { computed } from 'vue'
+import { useUserProfileModal } from '../composables/useUserProfileModal'
 
 const props = withDefaults(defineProps<{
   name?: string
@@ -62,13 +67,23 @@ const props = withDefaults(defineProps<{
   variant?: 'full' | 'compact'
   theme?: 'default' | 'onDark' | 'onImage'
   showEmail?: boolean
+  clickable?: boolean
 }>(), {
   size: 'sm',
   variant: 'compact',
   theme: 'default',
-  showEmail: true
+  showEmail: true,
+  clickable: true,
 })
 
+const { openUserProfile } = useUserProfileModal()
+
+const handleClick = () => {
+  if (props.clickable && props.userId) {
+    openUserProfile(props.userId)
+  }
+}
+
 const displayName = computed(() => {
   if (props.name) return props.name
   if (props.userId) return `用户#${props.userId}`
diff --git a/client/src/components/Footer.vue b/client/src/components/Footer.vue
index e01fa86..35dda0a 100644
--- a/client/src/components/Footer.vue
+++ b/client/src/components/Footer.vue
@@ -1,14 +1,54 @@
 <template>
   <footer class="py-8 text-center border-t border-white/5 relative z-10">
     <div class="flex justify-center items-center gap-4 mb-4">
+      <a
+        v-if="contactEmail"
+        :href="`mailto:${contactEmail}`"
+        class="text-xs text-art-muted/50 hover:text-art-accent transition-colors"
+      >
+        {{ contactEmail }}
+      </a>
       <a @click="openAdmin" class="text-xs text-art-muted/30 hover:text-art-accent cursor-pointer">管理入口</a>
     </div>
-    <p class="text-art-muted text-xs font-mono tracking-widest opacity-50">&copy; 2026 年糕崽崽. 保留所有权利.</p>
+    <p v-if="footerIcp" class="text-art-muted text-xs font-mono tracking-widest opacity-50 mb-2">
+      <a
+        v-if="icpHref"
+        :href="icpHref"
+        target="_blank"
+        rel="noopener noreferrer"
+        class="hover:text-art-accent transition-colors"
+      >
+        {{ footerIcp }}
+      </a>
+      <span v-else>{{ footerIcp }}</span>
+    </p>
+    <p class="text-art-muted text-xs font-mono tracking-widest opacity-50">
+      &copy; {{ currentYear }} {{ siteTitle }}. 保留所有权利.
+    </p>
   </footer>
 </template>
 
 <script setup lang="ts">
+import { computed } from 'vue'
+import { usePublicSettings } from '../composables/usePublicSettings'
+
+const { cache } = usePublicSettings()
+
+const currentYear = new Date().getFullYear()
+const siteTitle = computed(() => cache.value?.site_title?.trim() || '年糕崽崽')
+const footerIcp = computed(() => cache.value?.footer_icp?.trim() || '')
+const contactEmail = computed(() => cache.value?.contact_email?.trim() || '')
+
+const icpHref = computed(() => {
+  const icp = footerIcp.value
+  if (!icp) return null
+  if (/ICP|备案|备\d|icp/i.test(icp) || /\d{8,}/.test(icp)) {
+    return 'https://beian.miit.gov.cn/'
+  }
+  return null
+})
+
 const openAdmin = () => {
   window.open('/admin', '_blank')
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/src/components/Header.vue b/client/src/components/Header.vue
index e7c1199..bb68e2d 100644
--- a/client/src/components/Header.vue
+++ b/client/src/components/Header.vue
@@ -185,11 +185,12 @@
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
-import { getPublicSettings } from '../services/api'
+import { usePublicSettings } from '../composables/usePublicSettings'
 import Icon from './Icon.vue'
 
 const router = useRouter()
 const route = useRoute()
+const { cache, getStringSetting } = usePublicSettings()
 const activeNav = ref('home')
 const siteTitle = ref<string>('')
 const visibleMenus = ref<string[]>(['home', 'blog', 'columns', 'works', 'snippets', 'about', 'services'])
@@ -211,31 +212,30 @@ const updateActiveNav = () => {
   else if (path === '/about') activeNav.value = 'about'
 }
 
-const loadSiteSettings = async () => {
-  try {
-    const settings = await getPublicSettings()
-    if (settings.site_title) {
-      siteTitle.value = settings.site_title
-    }
+const applySettingsFromCache = () => {
+  const title = getStringSetting('site_title')
+  if (title) siteTitle.value = title
 
-    if (settings.visible_menus) {
-      try {
-        const parsed = JSON.parse(settings.visible_menus)
-        if (Array.isArray(parsed)) {
-          visibleMenus.value = parsed
-        }
-      } catch {
-        visibleMenus.value = settings.visible_menus.split(',').map((m: string) => m.trim()).filter((m: string) => m)
+  const menusRaw = getStringSetting('visible_menus')
+  if (menusRaw) {
+    try {
+      const parsed = JSON.parse(menusRaw)
+      if (Array.isArray(parsed)) {
+        visibleMenus.value = parsed
       }
+    } catch {
+      visibleMenus.value = menusRaw.split(',').map((m: string) => m.trim()).filter((m: string) => m)
     }
-  } catch (error) {
-    console.error('Failed to load site settings:', error)
   }
 }
 
 onMounted(() => {
   updateActiveNav()
-  loadSiteSettings()
+  applySettingsFromCache()
+})
+
+watch(cache, () => {
+  applySettingsFromCache()
 })
 
 watch(
diff --git a/client/src/components/ImageUploader.vue b/client/src/components/ImageUploader.vue
deleted file mode 100644
index e23f233..0000000
--- a/client/src/components/ImageUploader.vue
+++ /dev/null
@@ -1,159 +0,0 @@
-<template>
-  <div class="image-uploader">
-    <div 
-      v-if="!imageUrl"
-      @click="triggerFileInput"
-      @dragover.prevent
-      @dragenter.prevent
-      @drop.prevent="handleDrop"
-      class="upload-area border-2 border-dashed border-white/20 rounded-lg p-8 text-center cursor-pointer hover:border-art-accent transition-colors"
-      :class="{ 'border-art-accent': isDragging }"
-    >
-      <input
-        ref="fileInput"
-        type="file"
-        accept="image/*"
-        @change="handleFileSelect"
-        class="hidden"
-      />
-      <div class="space-y-2">
-        <i data-lucide="upload" class="w-12 h-12 mx-auto text-art-muted"></i>
-        <p class="text-sm text-art-muted">点击或拖拽图片到此处上传</p>
-        <p class="text-xs text-art-muted/50">支持 JPG、PNG、GIF 格式</p>
-      </div>
-    </div>
-    
-    <div v-else class="image-preview relative group">
-      <img :src="imageUrl" alt="Preview" class="w-full h-auto rounded-lg" />
-      <div class="absolute inset-0 bg-black/50 opacity-0 group-hover:opacity-100 transition-opacity rounded-lg flex items-center justify-center gap-2">
-        <button
-          @click="removeImage"
-          class="px-4 py-2 bg-red-500 text-white rounded hover:bg-red-600 transition-colors"
-        >
-          删除
-        </button>
-        <button
-          @click="triggerFileInput"
-          class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors"
-        >
-          更换
-        </button>
-      </div>
-    </div>
-    
-    <div v-if="uploading" class="mt-4 text-center">
-      <div class="inline-flex items-center gap-2 text-art-accent">
-        <div class="animate-spin rounded-full h-4 w-4 border-t-2 border-b-2 border-art-accent"></div>
-        <span class="text-sm">上传中...</span>
-      </div>
-    </div>
-    
-    <div v-if="error" class="mt-4 text-center text-red-500 text-sm">
-      {{ error }}
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import { ref, watch } from 'vue'
-import { useToast } from '../composables/useToast'
-
-const props = defineProps<{
-  modelValue?: string
-  categoryId?: number
-}>()
-
-const emit = defineEmits<{
-  'update:modelValue': [value: string]
-}>()
-
-const fileInput = ref<HTMLInputElement | null>(null)
-const imageUrl = ref<string>(props.modelValue || '')
-const uploading = ref(false)
-const error = ref('')
-const isDragging = ref(false)
-
-const toast = useToast()
-
-watch(() => props.modelValue, (newVal) => {
-  imageUrl.value = newVal || ''
-})
-
-const triggerFileInput = () => {
-  fileInput.value?.click()
-}
-
-const handleFileSelect = (e: Event) => {
-  const target = e.target as HTMLInputElement
-  if (target.files && target.files[0]) {
-    uploadFile(target.files[0])
-  }
-}
-
-const handleDrop = (e: DragEvent) => {
-  isDragging.value = false
-  if (e.dataTransfer?.files && e.dataTransfer.files[0]) {
-    uploadFile(e.dataTransfer.files[0])
-  }
-}
-
-const uploadFile = async (file: File) => {
-  if (!file.type.startsWith('image/')) {
-    error.value = '请选择图片文件'
-    return
-  }
-
-  uploading.value = true
-  error.value = ''
-
-  try {
-    const formData = new FormData()
-    formData.append('file', file)
-    if (props.categoryId) {
-      formData.append('categoryId', props.categoryId.toString())
-    }
-    formData.append('storageType', 'local')
-
-    const token = localStorage.getItem('token')
-    const response = await fetch('/api/admin/attachments/upload', {
-      method: 'POST',
-      headers: {
-        ...(token ? { Authorization: `Bearer ${token}` } : {})
-      },
-      body: formData
-    })
-
-    if (!response.ok) {
-      const errorData = await response.json()
-      throw new Error(errorData.message || '上传失败')
-    }
-
-    const data = await response.json()
-    imageUrl.value = data.result.fileUrl
-    emit('update:modelValue', data.result.fileUrl)
-    toast.showToast('图片上传成功', 'success')
-  } catch (err: any) {
-    error.value = err.message || '上传失败，请重试'
-    toast.showToast(error.value, 'error')
-  } finally {
-    uploading.value = false
-  }
-}
-
-const removeImage = () => {
-  imageUrl.value = ''
-  emit('update:modelValue', '')
-  if (fileInput.value) {
-    fileInput.value.value = ''
-  }
-}
-</script>
-
-<style scoped>
-.upload-area {
-  min-height: 200px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-</style>
diff --git a/client/src/components/MobileMenu.vue b/client/src/components/MobileMenu.vue
index 5b8655b..4cc6d95 100644
--- a/client/src/components/MobileMenu.vue
+++ b/client/src/components/MobileMenu.vue
@@ -14,31 +14,23 @@
 
 <script setup lang="ts">
 import { useRouter } from 'vue-router'
-import { onMounted, onUpdated, ref } from 'vue'
-import { getPublicSettings } from '../services/api'
+import { onMounted, onUpdated, ref, watch } from 'vue'
+import { usePublicSettings } from '../composables/usePublicSettings'
 
 const router = useRouter()
-const visibleMenus = ref<string[]>(['home', 'blog', 'columns', 'works', 'snippets', 'about', 'services']) // 默认显示所有菜单
+const { cache, getStringSetting } = usePublicSettings()
+const visibleMenus = ref<string[]>(['home', 'blog', 'columns', 'works', 'snippets', 'about', 'services'])
 
-// 获取菜单显示配置
-const loadMenuSettings = async () => {
+const applyMenuSettings = () => {
+  const menusRaw = getStringSetting('visible_menus')
+  if (!menusRaw) return
   try {
-    const settings = await getPublicSettings()
-    if (settings.visible_menus) {
-      try {
-        // 尝试解析JSON格式
-        const parsed = JSON.parse(settings.visible_menus)
-        if (Array.isArray(parsed)) {
-          visibleMenus.value = parsed
-        }
-      } catch {
-        // 如果不是JSON，按逗号分隔
-        visibleMenus.value = settings.visible_menus.split(',').map((m: string) => m.trim()).filter((m: string) => m)
-      }
+    const parsed = JSON.parse(menusRaw)
+    if (Array.isArray(parsed)) {
+      visibleMenus.value = parsed
     }
-  } catch (error) {
-    console.error('Failed to load menu settings:', error)
-    // 使用默认值
+  } catch {
+    visibleMenus.value = menusRaw.split(',').map((m: string) => m.trim()).filter((m: string) => m)
   }
 }
 
@@ -68,7 +60,11 @@ const refreshIcons = () => {
 
 onMounted(() => {
   refreshIcons()
-  loadMenuSettings()
+  applyMenuSettings()
+})
+
+watch(cache, () => {
+  applyMenuSettings()
 })
 onUpdated(refreshIcons)
 </script>
\ No newline at end of file
diff --git a/client/src/components/SnippetModal.vue b/client/src/components/SnippetModal.vue
index 56468c0..0ba5d68 100644
--- a/client/src/components/SnippetModal.vue
+++ b/client/src/components/SnippetModal.vue
@@ -216,10 +216,37 @@ const showCollapseToggle = computed(
   () => showHtmlPreview.value && activeRightTab.value === 'preview'
 )
 
-const renderedDescription = computed(() => {
-  if (!props.description) return ''
-  return renderMarkdown(props.description)
-})
+const renderedDescription = ref('')
+let descriptionGeneration = 0
+
+const renderDescription = (content: string) => {
+  const generation = ++descriptionGeneration
+  renderedDescription.value = ''
+
+  const run = async () => {
+    try {
+      const html = await renderMarkdown(content)
+      if (generation !== descriptionGeneration) return
+      renderedDescription.value = html
+    } catch (err) {
+      console.error('Failed to render snippet description:', err)
+    }
+  }
+
+  void run()
+}
+
+watch(
+  [() => props.description, () => props.isOpen],
+  ([description, isOpen]) => {
+    if (!isOpen || !description) {
+      renderedDescription.value = ''
+      return
+    }
+    renderDescription(description)
+  },
+  { immediate: true }
+)
 
 const highlightCode = () => {
   if (codeBlock.value) {
diff --git a/client/src/components/admin/AdminLayout.vue b/client/src/components/admin/AdminLayout.vue
index 9fdb367..6193065 100644
--- a/client/src/components/admin/AdminLayout.vue
+++ b/client/src/components/admin/AdminLayout.vue
@@ -28,15 +28,20 @@
       
       <!-- User Footer -->
       <div class="p-4 border-t border-white/5">
-        <div class="flex items-center gap-3">
-           <div class="w-8 h-8 rounded-full bg-art-accent/10 flex items-center justify-center text-art-accent font-bold text-xs shrink-0">
-             {{ currentUser.username?.charAt(0).toUpperCase() || 'A' }}
+        <router-link
+          to="/admin/profile"
+          class="flex items-center gap-3 rounded-md p-1 -m-1 hover:bg-white/5 transition-colors"
+          :class="{ 'justify-center': !isSidebarOpen }"
+        >
+           <div class="w-8 h-8 rounded-full bg-art-accent/10 flex items-center justify-center text-art-accent font-bold text-xs shrink-0 overflow-hidden">
+             <img v-if="currentUser.avatar" :src="currentUser.avatar" :alt="currentUser.username" class="w-full h-full object-cover" />
+             <span v-else>{{ currentUser.username?.charAt(0).toUpperCase() || 'A' }}</span>
            </div>
            <div class="min-w-0 transition-opacity duration-300" :class="{ 'opacity-0 w-0': !isSidebarOpen }">
              <p class="text-sm font-medium text-white truncate">{{ currentUser.username }}</p>
-             <p class="text-xs text-art-muted truncate">Administrator</p>
+             <p class="text-xs text-art-muted truncate">个人中心</p>
            </div>
-        </div>
+        </router-link>
       </div>
     </aside>
 
@@ -84,7 +89,11 @@
               v-if="isUserDropdownOpen"
               class="absolute right-0 mt-2 w-48 bg-art-admin-card border border-white/10 rounded-lg shadow-xl py-1 z-50 origin-top-right animate-reveal"
             >
-              <button @click="handleChangePassword" class="flex items-center gap-2 w-full px-4 py-2.5 text-sm text-art-muted hover:text-white hover:bg-white/5 text-left transition-colors">
+              <button @click="goToProfile" class="flex items-center gap-2 w-full px-4 py-2.5 text-sm text-art-muted hover:text-white hover:bg-white/5 text-left transition-colors">
+                <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"></path><circle cx="12" cy="7" r="4"></circle></svg>
+                个人中心
+              </button>
+              <button @click="goToProfilePassword" class="flex items-center gap-2 w-full px-4 py-2.5 text-sm text-art-muted hover:text-white hover:bg-white/5 text-left transition-colors">
                 <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect><path d="M7 11V7a5 5 0 0 1 10 0v4"></path></svg>
                 修改密码
               </button>
@@ -116,12 +125,13 @@ import { useToast } from '../../composables/useToast'
 import { useAuth } from '../../composables/useAuth'
 import SessionExpiredModal from './SessionExpiredModal.vue'
 import AdminMenuItem from './AdminMenuItem.vue'
+import { getCurrentUser } from '../../services/api'
 import { openActiveMenuAncestors, findRouteTitle, type MenuItem } from './adminMenuTypes'
 
 const router = useRouter()
 const route = useRoute()
 const toast = useToast()
-const { logout, scheduleExpiryCheck, getUser, isAuthenticated } = useAuth()
+const { logout, scheduleExpiryCheck, getUser, isAuthenticated, setUser } = useAuth()
 const isSidebarOpen = ref(true)
 const currentUser = ref(getUser())
 
@@ -139,8 +149,13 @@ const closeDropdown = (e: MouseEvent) => {
   }
 }
 
-const handleChangePassword = () => {
-  toast.showToast('功能开发中...', 'success')
+const goToProfile = () => {
+  router.push('/admin/profile')
+  isUserDropdownOpen.value = false
+}
+
+const goToProfilePassword = () => {
+  router.push({ path: '/admin/profile', hash: '#password' })
   isUserDropdownOpen.value = false
 }
 
@@ -266,6 +281,15 @@ onMounted(() => {
   scheduleExpiryCheck()
   document.addEventListener('click', closeDropdown)
   openActiveMenuAncestors(menuItems.value, isActive)
+
+  getCurrentUser()
+    .then(user => {
+      currentUser.value = user
+      setUser(user)
+    })
+    .catch(() => {
+      currentUser.value = getUser()
+    })
 })
 
 watch(() => route.path, () => {
diff --git a/client/src/components/admin/AdminTableFilter.vue b/client/src/components/admin/AdminTableFilter.vue
index e7714ff..1b13751 100644
--- a/client/src/components/admin/AdminTableFilter.vue
+++ b/client/src/components/admin/AdminTableFilter.vue
@@ -40,7 +40,7 @@
       </button>
 
       <div class="filter-actions">
-        <button type="button" class="admin-btn-secondary" @click="emit('search')">查询</button>
+        <button type="button" class="admin-btn-search" @click="emit('search')">查询</button>
         <button type="button" class="admin-btn-secondary opacity-70" @click="emit('reset')">重置</button>
       </div>
     </div>
diff --git a/client/src/components/admin/ImagePicker.vue b/client/src/components/admin/ImagePicker.vue
index 51cb21b..8317637 100644
--- a/client/src/components/admin/ImagePicker.vue
+++ b/client/src/components/admin/ImagePicker.vue
@@ -24,15 +24,30 @@
 
       <!-- 操作区 -->
       <div class="flex-1 min-w-0 space-y-2">
+        <div
+          @click="triggerFileInput"
+          @dragover.prevent="handleDragOver"
+          @dragenter.prevent="handleDragEnter"
+          @dragleave.prevent="handleDragLeave"
+          @drop.prevent="handleDrop"
+          class="upload-area border-2 border-dashed rounded-lg p-4 text-center cursor-pointer transition-colors"
+          :class="[
+            isDragging ? 'border-art-accent bg-art-accent/5' : 'border-white/20 hover:border-art-accent/50',
+            disabled || uploading ? 'opacity-50 cursor-not-allowed' : ''
+          ]"
+        >
+          <input
+            ref="fileInput"
+            type="file"
+            :accept="accept"
+            class="hidden"
+            :disabled="disabled"
+            @change="handleFileSelect"
+          />
+          <p class="text-xs text-art-muted">点击或拖拽图片到此处上传</p>
+        </div>
+
         <div class="flex flex-wrap gap-2">
-          <button
-            type="button"
-            class="admin-btn-secondary text-xs"
-            :disabled="disabled || uploading"
-            @click="triggerFileInput"
-          >
-            {{ uploading ? '上传中...' : '上传图片' }}
-          </button>
           <button
             type="button"
             class="admin-btn-secondary text-xs"
@@ -53,18 +68,10 @@
         </div>
         <p v-if="hint" class="text-xs text-art-muted/60">{{ hint }}</p>
         <p v-if="error" class="text-xs text-red-400">{{ error }}</p>
+        <p v-if="uploading" class="text-xs text-art-accent">上传中...</p>
       </div>
     </div>
 
-    <input
-      ref="fileInput"
-      type="file"
-      :accept="accept"
-      class="hidden"
-      :disabled="disabled"
-      @change="handleFileSelect"
-    />
-
     <AttachmentLibraryModal
       :show="showLibraryModal"
       :multiple="false"
@@ -78,6 +85,7 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
 import { useToast } from '../../composables/useToast'
+import { useImageDropUpload } from '../../composables/useImageDropUpload'
 import { API_BASE, authFetch, parseApiResponse } from '../../services/api'
 import AttachmentLibraryModal from './AttachmentLibraryModal.vue'
 
@@ -122,6 +130,11 @@ const previewSizeClass = computed(() => {
   return props.size === 'sm' ? 'w-20 h-20' : props.size === 'lg' ? 'w-40 h-40' : 'w-28 h-28'
 })
 
+const { isDragging, handleDragOver, handleDragEnter, handleDragLeave, handleDrop } = useImageDropUpload({
+  disabled: () => props.disabled || uploading.value,
+  onFiles: (files) => uploadFile(files[0]),
+})
+
 const triggerFileInput = () => {
   if (props.disabled || uploading.value) return
   fileInput.value?.click()
@@ -187,3 +200,12 @@ const handleLibrarySelect = (urls: string[]) => {
   }
 }
 </script>
+
+<style scoped>
+.upload-area {
+  min-height: 72px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+</style>
diff --git a/client/src/components/admin/ImageUpload.vue b/client/src/components/admin/ImageUpload.vue
index eb1eae5..f203f54 100644
--- a/client/src/components/admin/ImageUpload.vue
+++ b/client/src/components/admin/ImageUpload.vue
@@ -53,6 +53,7 @@
         <img :src="imageUrl" alt="Preview" class="w-full h-auto rounded-lg max-h-64 object-contain bg-white/5" />
         <div class="absolute inset-0 bg-black/60 opacity-0 group-hover:opacity-100 transition-opacity rounded-lg flex items-center justify-center gap-2">
           <button
+            type="button"
             @click.stop="() => removeImage()"
             class="px-4 py-2 bg-red-500/80 text-white rounded hover:bg-red-500 transition-colors text-sm"
             :disabled="disabled"
@@ -60,6 +61,7 @@
             删除
           </button>
           <button
+            type="button"
             @click.stop="triggerFileInput"
             class="px-4 py-2 bg-art-accent text-black rounded hover:opacity-90 transition-colors text-sm"
             :disabled="disabled"
@@ -94,6 +96,7 @@
             <img :src="url" :alt="`Image ${index + 1}`" class="w-full h-full object-cover" />
             <div class="absolute inset-0 bg-black/60 opacity-0 group-hover:opacity-100 transition-opacity flex items-center justify-center gap-2">
               <button
+                type="button"
                 @click="() => removeImage(index)"
                 class="px-3 py-1.5 bg-red-500/80 text-white rounded hover:bg-red-500 transition-colors text-xs"
                 :disabled="disabled"
diff --git a/client/src/components/ui/EmailAutocomplete.vue b/client/src/components/ui/EmailAutocomplete.vue
index e2eee18..0a3754b 100644
--- a/client/src/components/ui/EmailAutocomplete.vue
+++ b/client/src/components/ui/EmailAutocomplete.vue
@@ -3,7 +3,7 @@
     <input 
       :name="name" 
       type="text" 
-      class="inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent" 
+      :class="inputClass"
       :placeholder="inputPlaceholder"
       :value="modelValue"
       :required="required"
@@ -13,14 +13,33 @@
       autocomplete="off"
     >
     <label 
+      v-if="variant === 'inquiry'"
       class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
     >{{ label }}</label>
 
     <!-- Autocomplete Dropdown -->
-    <div v-if="showDropdown && suggestions.length > 0" class="absolute z-[9999] left-0 right-0 top-full mt-1 bg-[#1a1a1a] border border-white/10 shadow-lg max-h-48 overflow-y-auto rounded-b-md">
+    <div v-if="showDropdown && (suggestions.length > 0 || matchedUsers.length > 0)" class="absolute z-[9999] left-0 right-0 top-full mt-1 bg-[#1a1a1a] border border-white/10 shadow-lg max-h-48 overflow-y-auto rounded-b-md">
+      <div v-if="matchedUsers.length > 0" class="border-b border-white/5">
+        <div class="px-3 py-1.5 text-[10px] text-art-muted uppercase tracking-wider">已注册用户</div>
+        <div
+          v-for="user in matchedUsers"
+          :key="user.id"
+          class="px-4 py-2 text-sm text-white/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors flex items-center gap-2"
+          @mousedown.prevent="selectUser(user)"
+        >
+          <div class="w-6 h-6 rounded-full overflow-hidden bg-white/10 shrink-0 flex items-center justify-center text-xs text-art-accent">
+            <img v-if="user.avatar" :src="user.avatar" :alt="user.username" class="w-full h-full object-cover" />
+            <span v-else>{{ user.username.charAt(0).toUpperCase() }}</span>
+          </div>
+          <div class="min-w-0">
+            <div class="truncate font-medium">{{ user.username }}</div>
+            <div class="truncate text-xs opacity-70">{{ user.email }}</div>
+          </div>
+        </div>
+      </div>
       <div 
         v-for="(suggestion, index) in suggestions" 
-        :key="index"
+        :key="'s-' + index"
         class="px-4 py-2 text-sm text-white/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors font-mono"
         @mousedown.prevent="selectSuggestion(suggestion)"
       >
@@ -32,43 +51,74 @@
 
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
-import { fetchEmailSuffixes } from '../../services/api'
+import { fetchEmailSuffixes, getUsersPaginated, type User } from '../../services/api'
+import { useUserProfileModal } from '../../composables/useUserProfileModal'
 
-const props = defineProps<{
+const props = withDefaults(defineProps<{
   name: string
   label: string
   placeholder?: string
   modelValue: string
   required?: boolean
-}>()
+  userLookup?: boolean
+  variant?: 'inquiry' | 'admin'
+}>(), {
+  userLookup: false,
+  variant: 'inquiry',
+})
 
-const emit = defineEmits(['update:modelValue'])
+const emit = defineEmits(['update:modelValue', 'user-select'])
 
-const inputPlaceholder = computed(() => props.placeholder ?? ' ')
+const { openUserProfile } = useUserProfileModal()
+
+const inputPlaceholder = computed(() => props.placeholder ?? (props.variant === 'inquiry' ? ' ' : ''))
+
+const inputClass = computed(() => {
+  if (props.variant === 'admin') {
+    return 'admin-input w-full peer'
+  }
+  return 'inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent'
+})
 
 const showDropdown = ref(false)
 const emailSuffixes = ref<string[]>([])
+const matchedUsers = ref<User[]>([])
 const containerRef = ref<HTMLElement | null>(null)
+let userSearchTimer: ReturnType<typeof setTimeout> | null = null
 
-// Load suffixes from API
 onMounted(async () => {
   try {
     const suffixes = await fetchEmailSuffixes()
     emailSuffixes.value = suffixes.map(s => s.suffix)
-  } catch (e) {
-    // Fallback defaults if API fails
+  } catch {
     emailSuffixes.value = ['@gmail.com', '@163.com', '@qq.com', '@outlook.com']
   }
 })
 
+const searchUsers = (keyword: string) => {
+  if (!props.userLookup || !keyword.includes('@') || keyword.length < 3) {
+    matchedUsers.value = []
+    return
+  }
+  if (userSearchTimer) clearTimeout(userSearchTimer)
+  userSearchTimer = setTimeout(async () => {
+    try {
+      const result = await getUsersPaginated({ page: 1, pageSize: 5, keyword })
+      matchedUsers.value = result.list
+    } catch {
+      matchedUsers.value = []
+    }
+  }, 300)
+}
+
 const handleInput = (e: Event) => {
   const val = (e.target as HTMLInputElement).value
   emit('update:modelValue', val)
   showDropdown.value = true
+  searchUsers(val)
 }
 
 const handleBlur = () => {
-  // Delay hiding to allow click event on dropdown to fire
   setTimeout(() => {
     showDropdown.value = false
   }, 200)
@@ -83,6 +133,12 @@ const selectSuggestion = (val: string) => {
   emit('update:modelValue', val)
   showDropdown.value = false
 }
+
+const selectUser = (user: User) => {
+  emit('user-select', user)
+  openUserProfile(user.id)
+  showDropdown.value = false
+}
 </script>
 
 <style scoped>
diff --git a/client/src/composables/useAuth.ts b/client/src/composables/useAuth.ts
index 1dfba57..eea0385 100644
--- a/client/src/composables/useAuth.ts
+++ b/client/src/composables/useAuth.ts
@@ -96,6 +96,10 @@ export function useAuth() {
     }
   }
 
+  const setUser = (user: unknown) => {
+    localStorage.setItem(USER_KEY, JSON.stringify(user))
+  }
+
   return {
     sessionExpired,
     getToken,
@@ -107,5 +111,6 @@ export function useAuth() {
     confirmSessionExpired,
     scheduleExpiryCheck,
     getUser,
+    setUser,
   }
 }
diff --git a/client/src/pages/ColumnDetail.vue b/client/src/pages/ColumnDetail.vue
index f7bfce5..ac3802d 100644
--- a/client/src/pages/ColumnDetail.vue
+++ b/client/src/pages/ColumnDetail.vue
@@ -90,15 +90,22 @@ const posts = ref<Post[]>([])
 const loading = ref(true)
 const { initObserver } = useScrollAnimation()
 
+const parseTimestamp = (value: string | number | undefined): Date | null => {
+  if (!value) return null
+  if (typeof value === 'number') return new Date(value * 1000)
+  const asNumber = parseInt(value, 10)
+  if (/^\d+$/.test(value) && !Number.isNaN(asNumber)) {
+    return new Date(asNumber * 1000)
+  }
+  const parsed = new Date(value.replace(' ', 'T'))
+  return Number.isNaN(parsed.getTime()) ? null : parsed
+}
+
 // 计算最近更新时间
 const lastUpdated = computed(() => {
   if (posts.value.length === 0) {
-    // 如果没有文章，使用专栏的更新时间
     if (column.value?.updatedAt) {
-      const timestamp = typeof column.value.updatedAt === 'string' 
-        ? parseInt(column.value.updatedAt) 
-        : column.value.updatedAt
-      return new Date(timestamp * 1000)
+      return parseTimestamp(column.value.updatedAt as string | number)
     }
     return null
   }
@@ -117,12 +124,8 @@ const lastUpdated = computed(() => {
     .filter((date): date is Date => date !== null)
   
   if (dates.length === 0) {
-    // 如果无法解析文章日期，使用专栏更新时间
     if (column.value?.updatedAt) {
-      const timestamp = typeof column.value.updatedAt === 'string' 
-        ? parseInt(column.value.updatedAt) 
-        : column.value.updatedAt
-      return new Date(timestamp * 1000)
+      return parseTimestamp(column.value.updatedAt as string | number)
     }
     return null
   }
diff --git a/client/src/pages/Services.vue b/client/src/pages/Services.vue
index 82e030a..1ea9367 100644
--- a/client/src/pages/Services.vue
+++ b/client/src/pages/Services.vue
@@ -97,31 +97,35 @@
         <!-- Danmaku items will be rendered here -->
         <div class="danmaku-row animate-marquee hover:[animation-play-state:paused]">
           <div v-for="testimonial in testimonials" :key="testimonial.id" class="danmaku-item">
-            <div class="w-6 h-6 rounded-full bg-blue-500/20">
-              <image :src="testimonial.avatar ||'https://via.placeholder.com/50'" class="w-6 h-6" alt="Avatar" />
+            <div class="w-6 h-6 rounded-full bg-blue-500/20 overflow-hidden shrink-0">
+              <img :src="testimonial.avatar || 'https://via.placeholder.com/50'" class="w-6 h-6 object-cover" alt="Avatar" />
             </div>
+            <span v-if="testimonial.name" class="text-art-accent/80 text-sm shrink-0">{{ testimonial.name }}</span>
             <span>"{{ testimonial.content }}"</span>
           </div>
           <!-- 复制一份数据以实现无缝滚动 -->
           <div v-for="testimonial in testimonials" :key="testimonial.id + '-copy'" class="danmaku-item">
-            <div class="w-6 h-6 rounded-full bg-blue-500/20">
-              <image :src="testimonial.avatar ||'https://via.placeholder.com/50'" class="w-6 h-6" alt="Avatar" />
+            <div class="w-6 h-6 rounded-full bg-blue-500/20 overflow-hidden shrink-0">
+              <img :src="testimonial.avatar || 'https://via.placeholder.com/50'" class="w-6 h-6 object-cover" alt="Avatar" />
             </div>
+            <span v-if="testimonial.name" class="text-art-accent/80 text-sm shrink-0">{{ testimonial.name }}</span>
             <span>"{{ testimonial.content }}"</span>
           </div>
         </div>
         <div class="danmaku-row animate-marquee-reverse hover:[animation-play-state:paused]">
           <div v-for="testimonial in testimonials" :key="testimonial.id" class="danmaku-item">
-            <div class="w-6 h-6 rounded-full bg-blue-500/20">
-              <image :src="testimonial.avatar ||'https://via.placeholder.com/50'" class="w-6 h-6" alt="Avatar" />
+            <div class="w-6 h-6 rounded-full bg-blue-500/20 overflow-hidden shrink-0">
+              <img :src="testimonial.avatar || 'https://via.placeholder.com/50'" class="w-6 h-6 object-cover" alt="Avatar" />
             </div>
+            <span v-if="testimonial.name" class="text-art-accent/80 text-sm shrink-0">{{ testimonial.name }}</span>
             <span>"{{ testimonial.content }}"</span>
           </div>
           <!-- 复制一份数据以实现无缝滚动 -->
           <div v-for="testimonial in testimonials" :key="testimonial.id + '-copy'" class="danmaku-item">
-            <div class="w-6 h-6 rounded-full bg-blue-500/20">
-              <image :src="testimonial.avatar ||'https://via.placeholder.com/50'" class="w-6 h-6" alt="Avatar" />
+            <div class="w-6 h-6 rounded-full bg-blue-500/20 overflow-hidden shrink-0">
+              <img :src="testimonial.avatar || 'https://via.placeholder.com/50'" class="w-6 h-6 object-cover" alt="Avatar" />
             </div>
+            <span v-if="testimonial.name" class="text-art-accent/80 text-sm shrink-0">{{ testimonial.name }}</span>
             <span>"{{ testimonial.content }}"</span>
           </div>
         </div>
diff --git a/client/src/pages/admin/About.vue b/client/src/pages/admin/About.vue
index b6e7915..f0c8d00 100644
--- a/client/src/pages/admin/About.vue
+++ b/client/src/pages/admin/About.vue
@@ -41,10 +41,11 @@
           
           <div class="form-group">
             <label for="email">邮箱</label>
-            <input 
-              type="email" 
-              id="email" 
+            <EmailAutocomplete
+              name="email"
+              label="邮箱"
               v-model="form.email"
+              variant="admin"
               placeholder="example@domain.com"
             />
           </div>
@@ -141,6 +142,7 @@ import { ref, reactive, computed, onMounted } from 'vue'
 import { useToast } from '../../composables/useToast'
 import { createAboutProfile, updateAboutProfile, getAdminAboutProfiles, Experience } from '../../services/api'
 import ImageUpload from '../../components/admin/ImageUpload.vue'
+import EmailAutocomplete from '../../components/ui/EmailAutocomplete.vue'
 
 const toast = useToast()
 const isSubmitting = ref(false)
diff --git a/client/src/pages/admin/AboutForm.vue b/client/src/pages/admin/AboutForm.vue
index 8519015..a141795 100644
--- a/client/src/pages/admin/AboutForm.vue
+++ b/client/src/pages/admin/AboutForm.vue
@@ -41,10 +41,11 @@
           
           <div class="form-group">
             <label for="email">邮箱</label>
-            <input 
-              type="email" 
-              id="email" 
+            <EmailAutocomplete
+              name="email"
+              label="邮箱"
               v-model="form.email"
+              variant="admin"
               placeholder="example@domain.com"
             />
           </div>
@@ -145,6 +146,7 @@ import { useRouter, useRoute } from 'vue-router'
 import { useToast } from '../../composables/useToast'
 import { createAboutProfile, updateAboutProfile, getAdminAboutProfiles, Experience } from '../../services/api'
 import ImageUpload from '../../components/admin/ImageUpload.vue'
+import EmailAutocomplete from '../../components/ui/EmailAutocomplete.vue'
 
 const router = useRouter()
 const route = useRoute()
diff --git a/client/src/pages/admin/Attachments.vue b/client/src/pages/admin/Attachments.vue
index fb9f0eb..3bf61dd 100644
--- a/client/src/pages/admin/Attachments.vue
+++ b/client/src/pages/admin/Attachments.vue
@@ -116,12 +116,27 @@
         <div class="space-y-4">
           <div>
             <label class="block text-sm text-art-muted mb-2">选择文件</label>
-            <input
-              type="file"
-              ref="uploadInput"
-              @change="handleUploadFile"
-              class="admin-input"
-            />
+            <div
+              @click="triggerUploadSelect"
+              @dragover.prevent="handleDragOver"
+              @dragenter.prevent="handleDragEnter"
+              @dragleave.prevent="handleDragLeave"
+              @drop.prevent="handleDrop"
+              class="border-2 border-dashed rounded-lg p-8 text-center cursor-pointer transition-colors"
+              :class="[
+                isDragging ? 'border-art-accent bg-art-accent/5' : 'border-white/20 hover:border-art-accent/50',
+                uploading ? 'opacity-50 cursor-not-allowed' : ''
+              ]"
+            >
+              <input
+                type="file"
+                ref="uploadInput"
+                @change="handleUploadFileSelect"
+                class="hidden"
+              />
+              <p class="text-sm text-art-muted">点击或拖拽文件到此处上传</p>
+              <p v-if="pendingFileName" class="text-xs text-art-accent mt-2">已选择：{{ pendingFileName }}</p>
+            </div>
           </div>
           
           <div>
@@ -134,10 +149,10 @@
           </div>
           
           <div class="flex gap-3">
-            <button @click="showUploadModal = false" class="admin-btn-secondary flex-1">
+            <button type="button" @click="showUploadModal = false" class="admin-btn-secondary flex-1">
               取消
             </button>
-            <button @click="uploadFile" :disabled="uploading" class="admin-btn-primary flex-1">
+            <button type="button" @click="uploadFile" :disabled="uploading" class="admin-btn-primary flex-1">
               {{ uploading ? '上传中...' : '上传' }}
             </button>
           </div>
@@ -154,6 +169,7 @@ import CustomSelect from '../../components/CustomSelect.vue'
 import AdminTableFilter from '../../components/admin/AdminTableFilter.vue'
 import AttachmentDetailModal from '../../components/admin/AttachmentDetailModal.vue'
 import { getAdminAttachments, updateAttachment, API_BASE, authFetch, parseApiResponse, type Attachment } from '../../services/api'
+import { useImageDropUpload } from '../../composables/useImageDropUpload'
 
 const toast = useToast()
 
@@ -178,6 +194,7 @@ const selectedAttachment = ref<LocalAttachment | null>(null)
 const uploadInput = ref<HTMLInputElement | null>(null)
 const uploadCategoryId = ref(0)
 const uploading = ref(false)
+const pendingFileName = ref('')
 const filterCategoryId = ref(0)
 const filterFileType = ref('')
 const searchKeyword = ref('')
@@ -244,20 +261,35 @@ const loadCategories = async () => {
   }
 }
 
-const handleUploadFile = () => {
-  // File selection handled in uploadFile
+const handleUploadFileSelect = () => {
+  const file = uploadInput.value?.files?.[0]
+  if (file) {
+    pendingFileName.value = file.name
+    void uploadFileWithFile(file)
+  }
 }
 
-const uploadFile = async () => {
-  if (!uploadInput.value?.files || uploadInput.value.files.length === 0) {
-    toast.showToast('请选择文件', 'error')
-    return
-  }
+const triggerUploadSelect = () => {
+  if (uploading.value) return
+  uploadInput.value?.click()
+}
 
+const { isDragging, handleDragOver, handleDragEnter, handleDragLeave, handleDrop } = useImageDropUpload({
+  disabled: () => uploading.value,
+  acceptImagesOnly: false,
+  onFiles: (files) => {
+    if (files[0]) {
+      pendingFileName.value = files[0].name
+      void uploadFileWithFile(files[0])
+    }
+  },
+})
+
+const uploadFileWithFile = async (file: File) => {
   uploading.value = true
   try {
     const formData = new FormData()
-    formData.append('file', uploadInput.value.files[0])
+    formData.append('file', file)
     if (uploadCategoryId.value > 0) {
       formData.append('categoryId', uploadCategoryId.value.toString())
     }
@@ -271,8 +303,9 @@ const uploadFile = async () => {
 
     toast.showToast('上传成功', 'success')
     showUploadModal.value = false
-    uploadInput.value.value = ''
+    if (uploadInput.value) uploadInput.value.value = ''
     uploadCategoryId.value = 0
+    pendingFileName.value = ''
     loadAttachments()
   } catch (err: any) {
     toast.showToast(err.message || '上传失败', 'error')
@@ -281,6 +314,15 @@ const uploadFile = async () => {
   }
 }
 
+const uploadFile = async () => {
+  if (!uploadInput.value?.files || uploadInput.value.files.length === 0) {
+    toast.showToast('请选择文件', 'error')
+    return
+  }
+
+  await uploadFileWithFile(uploadInput.value.files[0])
+}
+
 const deleteAttachment = async (id: number) => {
   if (!confirm('确定要删除这个附件吗？')) return
 
diff --git a/client/src/pages/admin/PartnerForm.vue b/client/src/pages/admin/PartnerForm.vue
index 169d89d..9faf15d 100644
--- a/client/src/pages/admin/PartnerForm.vue
+++ b/client/src/pages/admin/PartnerForm.vue
@@ -19,7 +19,7 @@
 
         <div class="form-group">
           <label class="form-label">官网链接</label>
-          <input type="text" v-model="formData.website" class="form-input" placeholder="https://...">
+          <input type="text" v-model="formData.url" class="form-input" placeholder="https://...">
         </div>
         
         <div class="form-group">
@@ -52,7 +52,7 @@ const isEdit = computed(() => !!route.params.id)
 const formData = ref({
   name: '',
   logo: '',
-  website: '',
+  url: '',
   description: ''
 })
 
@@ -68,7 +68,7 @@ const loadData = async () => {
       formData.value = {
         name: item.name,
         logo: item.logo,
-        website: item.website,
+        url: item.url,
         description: item.description
       }
     } else {
diff --git a/client/src/pages/admin/Partners.vue b/client/src/pages/admin/Partners.vue
index 7fe1169..2220069 100644
--- a/client/src/pages/admin/Partners.vue
+++ b/client/src/pages/admin/Partners.vue
@@ -40,7 +40,7 @@
             </td>
             <td class="table-cell">{{ p.name }}</td>
             <td class="table-cell">
-              <a v-if="p.website" :href="p.website" target="_blank" class="text-blue-400 hover:underline">链接</a>
+              <a v-if="p.url" :href="p.url" target="_blank" class="text-blue-400 hover:underline">链接</a>
               <span v-else>-</span>
             </td>
             <td class="table-cell" :title="p.description">
@@ -81,7 +81,7 @@ const partners = ref<Partner[]>([])
 const { keyword, appliedKeyword, apply, reset } = useAppliedKeyword()
 
 const filteredPartners = computed(() => partners.value.filter(p =>
-  matchKeywordFn(p, appliedKeyword.value, item => `${item.name} ${item.description || ''} ${item.website || ''}`)
+  matchKeywordFn(p, appliedKeyword.value, item => `${item.name} ${item.description || ''} ${item.url || ''}`)
 ))
 
 const applyFilter = () => apply()
diff --git a/client/src/pages/admin/Settings.vue b/client/src/pages/admin/Settings.vue
index 7d97489..94b4ac3 100644
--- a/client/src/pages/admin/Settings.vue
+++ b/client/src/pages/admin/Settings.vue
@@ -2,399 +2,293 @@
   <div class="w-full animate-reveal">
     <div class="flex items-center justify-between mb-6">
       <h1 class="text-2xl font-serif italic text-white">系统配置管理</h1>
-      <button @click="showAddModal = true" class="admin-btn-primary flex items-center gap-2">
-        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="5" x2="12" y2="19"></line><line x1="5" y1="12" x2="19" y2="12"></line></svg>
-        新增配置
-      </button>
     </div>
 
-    <!-- Tab + 卡片布局 -->
-    <div v-if="settings.length === 0" class="admin-card p-16 text-center">
-      <div class="w-16 h-16 bg-white/5 rounded-full flex items-center justify-center mx-auto mb-4 text-2xl">⚙️</div>
-      <h3 class="text-white font-medium mb-2">暂无配置</h3>
-      <button @click="showAddModal = true" class="admin-btn-primary mt-4">添加第一个配置</button>
-    </div>
+    <div v-if="loading" class="admin-card p-16 text-center text-art-muted">加载中...</div>
 
     <div v-else class="space-y-6">
-      <!-- Tab 导航 -->
-      <div class="border-b border-white/10 overflow-x-auto">
-        <div class="flex gap-2 min-w-max">
-          <button
-            v-for="setting in allSettings"
-            :key="setting.id"
-            @click="activeTab = setting.id"
-            :class="[
-              'px-4 py-3 text-sm font-medium transition-all duration-200 border-b-2 relative',
-              activeTab === setting.id
-                ? 'text-art-accent border-art-accent'
-                : 'text-art-muted border-transparent hover:text-white/80'
-            ]"
-          >
-            {{ getSettingDisplayName(setting.keyName) }}
-          </button>
-        </div>
+      <!-- Tab bar -->
+      <div class="flex flex-wrap gap-2 border-b border-white/10 pb-1">
+        <button
+          v-for="tab in tabs"
+          :key="tab.id"
+          type="button"
+          class="px-4 py-2 text-sm rounded-t-lg transition-colors"
+          :class="activeTab === tab.id
+            ? 'text-art-accent border-b-2 border-art-accent bg-white/5'
+            : 'text-art-muted hover:text-white hover:bg-white/5'"
+          @click="activeTab = tab.id"
+        >
+          {{ tab.label }}
+        </button>
       </div>
 
-      <!-- 卡片内容 -->
-      <div class="admin-card p-6 border border-white/10 rounded-lg bg-white/5 shadow-lg">
-        <!-- 菜单显示配置卡片 -->
-        <div v-if="activeSetting && activeSetting.keyName === 'visible_menus'" class="space-y-6">
-          <!-- 标题 -->
-          <div class="flex items-center justify-between pb-4 border-b border-white/10">
-            <div>
-              <h3 class="text-xl font-semibold text-white mb-1">{{ activeSetting.keyName }}</h3>
-              <p class="text-sm text-art-muted">{{ activeSetting.description || '前台菜单显示配置' }}</p>
-            </div>
-            <button 
-              @click="deleteSetting(activeSetting.keyName)" 
-              class="text-red-400 hover:text-red-300 transition-colors p-2 hover:bg-red-500/10 rounded"
-              title="删除配置"
-            >
-              <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>
-            </button>
-          </div>
+      <!-- Schema group tabs -->
+      <div
+        v-for="group in SETTING_GROUPS"
+        v-show="activeTab === group.id"
+        :key="group.id"
+        class="admin-card p-6 border border-white/10"
+      >
+        <h2 class="text-lg font-medium text-white mb-1">{{ group.label }}</h2>
+        <p class="text-xs text-art-muted mb-5">管理 {{ group.label }} 相关配置项</p>
 
-          <!-- 菜单多选框（优化UI） -->
-          <div class="space-y-3">
-            <label class="block text-base font-medium text-white mb-4">显示菜单项</label>
-            <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
-              <label 
-                v-for="menu in menuOptions" 
+        <div class="space-y-5">
+          <div
+            v-for="schema in getGroupItems(group.id)"
+            :key="schema.key"
+            class="space-y-2"
+          >
+            <label class="block text-sm font-medium text-white">{{ schema.label }}</label>
+            <p class="text-xs text-art-muted">{{ schema.description }}</p>
+
+            <div v-if="schema.type === 'menu-checkboxes'" class="grid grid-cols-1 md:grid-cols-2 gap-3 mt-2">
+              <label
+                v-for="menu in MENU_OPTIONS"
                 :key="menu.key"
-                class="flex items-center gap-3 cursor-pointer group p-3 rounded-lg border border-white/10 bg-white/5 hover:bg-white/10 hover:border-white/20 transition-all"
+                class="flex items-center gap-3 cursor-pointer p-3 rounded-lg border border-white/10 bg-white/5 hover:bg-white/10 transition-all"
               >
-                <div class="relative flex items-center justify-center">
-                  <input 
-                    type="checkbox" 
-                    :value="menu.key"
-                    v-model="selectedMenus"
-                    class="sr-only peer"
-                  >
-                  <div class="w-5 h-5 rounded border-2 border-white/30 bg-white/5 peer-checked:bg-art-accent peer-checked:border-art-accent transition-all duration-200 flex items-center justify-center">
-                    <svg v-if="selectedMenus.includes(menu.key)" class="w-3 h-3 text-white" fill="none" stroke="currentColor" stroke-width="3" viewBox="0 0 24 24">
-                      <path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"></path>
-                    </svg>
-                  </div>
-                </div>
-                <span class="text-sm font-medium text-white/90 group-hover:text-white transition-colors flex-1">{{ menu.label }}</span>
+                <input type="checkbox" :value="menu.key" v-model="selectedMenus" class="accent-art-accent" />
+                <span class="text-sm text-white/90">{{ menu.label }}</span>
               </label>
             </div>
-          </div>
 
-          <!-- 保存按钮 -->
-          <div class="pt-6 border-t border-white/10">
-            <button 
-              @click="saveMenuSetting" 
-              :disabled="savingSettings.has(activeSetting.id)"
-              class="admin-btn-primary w-full py-3 text-base font-medium"
-            >
-              {{ savingSettings.has(activeSetting.id) ? '保存中...' : '保存配置' }}
-            </button>
-          </div>
-        </div>
-
-        <!-- 普通配置项卡片 -->
-        <div v-else-if="activeSetting" class="space-y-6">
-          <!-- 标题 -->
-          <div class="flex items-center justify-between pb-4 border-b border-white/10">
-            <div>
-              <h3 class="text-xl font-semibold text-white mb-1 font-mono">{{ activeSetting.keyName }}</h3>
-              <p class="text-sm text-art-muted">{{ activeSetting.description || '无描述' }}</p>
-            </div>
-            <button 
-              @click="deleteSetting(activeSetting.keyName)" 
-              class="text-red-400 hover:text-red-300 transition-colors p-2 hover:bg-red-500/10 rounded"
-              title="删除配置"
-            >
-              <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>
-            </button>
-          </div>
-
-          <!-- 值输入 -->
-          <div class="space-y-3">
-            <label class="block text-base font-medium text-white">配置值</label>
-            <textarea 
-              v-if="activeSetting.keyName === 'site_description' || activeSetting.keyName === 'site_keywords'"
-              v-model="activeSetting.value" 
-              rows="5"
+            <textarea
+              v-else-if="schema.type === 'textarea'"
+              v-model="formValues[schema.key]"
+              rows="3"
               class="admin-input resize-none w-full"
-              placeholder="配置项的值"
-            ></textarea>
-            <input 
-              v-else
-              type="text" 
-              v-model="activeSetting.value" 
-              class="admin-input w-full text-base"
-              placeholder="配置项的值"
-            >
-          </div>
+            />
 
-          <!-- 保存按钮 -->
-          <div class="pt-6 border-t border-white/10">
-            <button 
-              @click="saveSingleSetting(activeSetting)" 
-              :disabled="savingSettings.has(activeSetting.id)"
-              class="admin-btn-primary w-full py-3 text-base font-medium"
-            >
-              {{ savingSettings.has(activeSetting.id) ? '保存中...' : '保存配置' }}
-            </button>
+            <input
+              v-else-if="schema.type === 'number'"
+              v-model="formValues[schema.key]"
+              type="number"
+              min="1"
+              class="admin-input w-full max-w-xs"
+            />
+
+            <EmailAutocomplete
+              v-else-if="schema.type === 'email'"
+              :name="schema.key"
+              :label="schema.label"
+              v-model="formValues[schema.key]"
+              variant="admin"
+              :placeholder="schema.default || 'example@domain.com'"
+            />
+
+            <input
+              v-else
+              v-model="formValues[schema.key]"
+              type="text"
+              class="admin-input w-full"
+            />
           </div>
         </div>
-      </div>
-    </div>
-    
-    <!-- 新增配置 Modal -->
-    <div v-if="showAddModal" class="fixed inset-0 z-50 flex items-center justify-center p-4">
-      <div class="absolute inset-0 bg-black/80 backdrop-blur-sm transition-opacity" @click="closeAddModal"></div>
-      
-      <div class="admin-card w-full max-w-lg relative z-10 flex flex-col max-h-[90vh] shadow-2xl animate-reveal">
-        <div class="flex items-center justify-between p-6 border-b border-white/5">
-          <h2 class="text-lg font-medium text-white">新增配置</h2>
-          <button @click="closeAddModal" class="text-white/40 hover:text-white transition-colors">
-            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>
+
+        <div v-if="getGroupItems(group.id).length" class="pt-5 mt-5 border-t border-white/5">
+          <button
+            type="button"
+            class="admin-btn-primary"
+            :disabled="savingGroup === group.id"
+            @click="saveGroup(group.id)"
+          >
+            {{ savingGroup === group.id ? '保存中...' : `保存${group.label}` }}
           </button>
         </div>
-        
-        <div class="p-6 overflow-y-auto">
-          <form @submit.prevent="saveNewSetting" class="space-y-4">
-            <div class="space-y-2">
-              <label for="keyName" class="block text-xs font-medium text-art-muted uppercase tracking-wider">键名</label>
-              <input 
-                type="text" 
-                id="keyName" 
-                v-model="newForm.keyName" 
-                required
-                class="admin-input font-mono"
-                placeholder="例如: site_title"
-              >
+      </div>
+
+      <!-- Custom tab -->
+      <div v-show="activeTab === 'custom'" class="admin-card p-6 border border-white/10 border-dashed">
+        <h2 class="text-lg font-medium text-white mb-4">自定义配置</h2>
+        <div v-if="customSettings.length === 0" class="text-sm text-art-muted">暂无自定义配置项</div>
+        <div v-else class="space-y-4">
+          <div v-for="setting in customSettings" :key="setting.id" class="flex gap-3 items-start">
+            <div class="flex-1 space-y-2">
+              <input v-model="setting.value" class="admin-input w-full font-mono text-sm" />
+              <p class="text-xs text-art-muted">{{ setting.keyName }} — {{ setting.description || '无描述' }}</p>
             </div>
-            
-            <div class="space-y-2">
-              <label for="value" class="block text-xs font-medium text-art-muted uppercase tracking-wider">值</label>
-              <input 
-                type="text" 
-                id="value" 
-                v-model="newForm.value" 
-                required
-                class="admin-input"
-                placeholder="配置项的值"
-              >
-            </div>
-            
-            <div class="space-y-2">
-              <label for="description" class="block text-xs font-medium text-art-muted uppercase tracking-wider">描述</label>
-              <textarea 
-                id="description" 
-                v-model="newForm.description" 
-                rows="3"
-                class="admin-input resize-none"
-                placeholder="该配置项的用途说明"
-              ></textarea>
-            </div>
-            
-            <div class="pt-4 flex justify-end gap-3">
-              <button type="button" @click="closeAddModal" class="admin-btn-secondary">取消</button>
-              <button type="submit" class="admin-btn-primary">保存</button>
-            </div>
-          </form>
+            <button type="button" class="admin-btn-danger text-xs shrink-0" @click="deleteSetting(setting.keyName)">删除</button>
+          </div>
         </div>
+
+        <form @submit.prevent="saveNewSetting" class="mt-6 pt-6 border-t border-white/5 grid grid-cols-1 md:grid-cols-3 gap-3">
+          <input v-model="newForm.keyName" class="admin-input" placeholder="键名" required />
+          <input v-model="newForm.value" class="admin-input" placeholder="值" required />
+          <input v-model="newForm.description" class="admin-input" placeholder="描述" />
+          <button type="submit" class="admin-btn-secondary md:col-span-3">新增自定义配置</button>
+        </form>
+      </div>
+
+      <div class="flex justify-end">
+        <button type="button" class="admin-btn-search px-8" :disabled="savingAll" @click="saveAll">
+          {{ savingAll ? '保存中...' : '保存全部配置' }}
+        </button>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
-import { getSettings, createSetting, updateSetting, deleteSetting as deleteSettingApi, Setting } from '../../services/api'
+import { ref, reactive, onMounted, computed } from 'vue'
+import {
+  getSettings,
+  createSetting,
+  batchUpdateSettings,
+  deleteSetting as deleteSettingApi,
+  type Setting,
+} from '../../services/api'
 import { useToast } from '../../composables/useToast'
+import { usePublicSettings } from '../../composables/usePublicSettings'
+import EmailAutocomplete from '../../components/ui/EmailAutocomplete.vue'
+import {
+  SETTING_GROUPS,
+  SETTINGS_SCHEMA,
+  MENU_OPTIONS,
+  getSchemaKeys,
+  type SettingSchemaItem,
+} from '../../config/settingsSchema'
 
 const toast = useToast()
+const { invalidate: invalidatePublicSettings } = usePublicSettings()
+
+const loading = ref(true)
+const savingAll = ref(false)
+const savingGroup = ref<string | null>(null)
+const activeTab = ref<SettingSchemaItem['group'] | 'custom'>('site')
 const settings = ref<Setting[]>([])
-const showAddModal = ref(false)
-const savingSettings = ref<Set<number>>(new Set())
-const activeTab = ref<number | null>(null)
-
-// 菜单选项配置
-const menuOptions = [
-  { key: 'home', label: '首页' },
-  { key: 'blog', label: '思考' },
-  { key: 'columns', label: '专栏' },
-  { key: 'works', label: '作品' },
-  { key: 'snippets', label: '代码' },
-  { key: 'about', label: '关于' },
-  { key: 'services', label: '合作' }
-]
-
-// 选中的菜单
 const selectedMenus = ref<string[]>([])
+const formValues = reactive<Record<string, string>>({})
 
-// 菜单配置项
-const menuSetting = computed(() => {
-  return settings.value.find(s => s.keyName === 'visible_menus')
-})
+const newForm = ref({ keyName: '', value: '', description: '' })
 
-// 所有配置项（用于tab）
-const allSettings = computed(() => {
-  // 将菜单配置放在第一位
-  const menu = settings.value.find(s => s.keyName === 'visible_menus')
-  const others = settings.value.filter(s => s.keyName !== 'visible_menus')
-  return menu ? [menu, ...others] : others
-})
+const schemaKeys = getSchemaKeys()
 
-// 当前激活的配置项
-const activeSetting = computed(() => {
-  if (activeTab.value === null && allSettings.value.length > 0) {
-    return allSettings.value[0]
+const tabs = computed(() => [
+  ...SETTING_GROUPS.map(g => ({ id: g.id as SettingSchemaItem['group'] | 'custom', label: g.label })),
+  { id: 'custom' as const, label: '自定义' },
+])
+
+const customSettings = computed(() =>
+  settings.value.filter(s => !schemaKeys.includes(s.keyName))
+)
+
+const getGroupItems = (groupId: SettingSchemaItem['group']) =>
+  SETTINGS_SCHEMA.filter(s => s.group === groupId)
+
+const initFormValues = () => {
+  for (const schema of SETTINGS_SCHEMA) {
+    const existing = settings.value.find(s => s.keyName === schema.key)
+    formValues[schema.key] = existing?.value ?? schema.default
   }
-  return allSettings.value.find(s => s.id === activeTab.value) || null
-})
 
-// 获取配置项显示名称
-const getSettingDisplayName = (keyName: string) => {
-  const nameMap: Record<string, string> = {
-    'visible_menus': '菜单显示',
-    'site_title': '网站标题',
-    'site_description': '网站描述',
-    'site_author': '网站作者',
-    'site_keywords': '网站关键词',
-    'posts_per_page': '文章分页',
-    'works_per_page': '作品分页',
-    'snippets_per_page': '代码分页'
+  const menuVal = formValues.visible_menus || ''
+  try {
+    const parsed = JSON.parse(menuVal)
+    selectedMenus.value = Array.isArray(parsed) ? parsed : MENU_OPTIONS.map(m => m.key)
+  } catch {
+    selectedMenus.value = menuVal
+      ? menuVal.split(',').map(m => m.trim()).filter(Boolean)
+      : MENU_OPTIONS.map(m => m.key)
   }
-  return nameMap[keyName] || keyName
 }
 
-const newForm = ref({
-  keyName: '',
-  value: '',
-  description: ''
-})
+const buildPayload = (): Record<string, string> => {
+  const payload: Record<string, string> = { ...formValues }
+  payload.visible_menus = JSON.stringify(selectedMenus.value)
+  return payload
+}
 
 const fetchSettings = async () => {
+  loading.value = true
   try {
     settings.value = await getSettings()
-    
-    // 初始化激活的tab（第一个配置项）
-    if (settings.value.length > 0 && activeTab.value === null) {
-      activeTab.value = allSettings.value[0]?.id || null
-    }
-    
-    // 初始化菜单选择
-    if (menuSetting.value) {
-      const menuValue = menuSetting.value.value || ''
-      if (menuValue) {
-        // 支持逗号分隔或JSON数组格式
-        try {
-          const parsed = JSON.parse(menuValue)
-          selectedMenus.value = Array.isArray(parsed) ? parsed : []
-        } catch {
-          // 如果不是JSON，按逗号分隔
-          selectedMenus.value = menuValue.split(',').map(m => m.trim()).filter(m => m)
-        }
-      } else {
-        // 默认显示所有菜单
-        selectedMenus.value = menuOptions.map(m => m.key)
+
+    for (const schema of SETTINGS_SCHEMA) {
+      if (!settings.value.find(s => s.keyName === schema.key)) {
+        await createSetting({
+          keyName: schema.key,
+          value: schema.default,
+          description: schema.description,
+        })
       }
-    } else {
-      // 如果没有菜单配置，默认显示所有菜单
-      selectedMenus.value = menuOptions.map(m => m.key)
     }
-  } catch (error) {
-    console.error('Error fetching settings:', error)
+
+    if (SETTINGS_SCHEMA.some(s => !settings.value.find(existing => existing.keyName === s.key))) {
+      settings.value = await getSettings()
+    }
+
+    initFormValues()
+  } catch {
     toast.showToast('获取系统配置失败', 'error')
+  } finally {
+    loading.value = false
   }
 }
 
-// 保存单个配置项
-const saveSingleSetting = async (setting: Setting) => {
-  savingSettings.value.add(setting.id)
+const persistPayload = async (payload: Record<string, string>) => {
+  await batchUpdateSettings(payload)
+  invalidatePublicSettings()
+  if (typeof window !== 'undefined') {
+    window.dispatchEvent(new CustomEvent('public-settings-changed'))
+  }
+  await fetchSettings()
+}
+
+const saveGroup = async (groupId: SettingSchemaItem['group']) => {
+  savingGroup.value = groupId
   try {
-    await updateSetting({
-      id: setting.id,
-      keyName: setting.keyName,
-      value: setting.value,
-      description: setting.description
-    })
+    const keys = getGroupItems(groupId).map(s => s.key)
+    const payload: Record<string, string> = {}
+    for (const key of keys) {
+      if (key === 'visible_menus') {
+        payload[key] = JSON.stringify(selectedMenus.value)
+      } else {
+        payload[key] = formValues[key] ?? ''
+      }
+    }
+    await persistPayload(payload)
     toast.showToast('配置保存成功', 'success')
-    // 重新获取配置以确保数据同步
-    await fetchSettings()
-  } catch (error) {
-    console.error('Error saving setting:', error)
+  } catch {
     toast.showToast('保存配置失败', 'error')
   } finally {
-    savingSettings.value.delete(setting.id)
+    savingGroup.value = null
   }
 }
 
-// 保存菜单配置
-const saveMenuSetting = async () => {
-  if (!menuSetting.value) return
-  
-  savingSettings.value.add(menuSetting.value.id)
+const saveAll = async () => {
+  savingAll.value = true
   try {
-    // 将选中的菜单保存为JSON数组格式
-    const menuValue = JSON.stringify(selectedMenus.value)
-    
-    await updateSetting({
-      id: menuSetting.value.id,
-      keyName: menuSetting.value.keyName,
-      value: menuValue,
-      description: menuSetting.value.description
-    })
-    toast.showToast('菜单配置保存成功', 'success')
-    // 重新获取配置以确保数据同步
-    await fetchSettings()
-  } catch (error) {
-    console.error('Error saving menu setting:', error)
-    toast.showToast('保存菜单配置失败', 'error')
+    await persistPayload(buildPayload())
+    toast.showToast('全部配置已保存', 'success')
+  } catch {
+    toast.showToast('保存配置失败', 'error')
   } finally {
-    savingSettings.value.delete(menuSetting.value.id)
+    savingAll.value = false
   }
 }
 
 const saveNewSetting = async () => {
   try {
-    await createSetting({
-      keyName: newForm.value.keyName,
-      value: newForm.value.value,
-      description: newForm.value.description
-    })
+    await createSetting(newForm.value)
+    newForm.value = { keyName: '', value: '', description: '' }
     toast.showToast('配置创建成功', 'success')
-    closeAddModal()
-    fetchSettings()
-  } catch (error) {
-    console.error('Error creating setting:', error)
+    await fetchSettings()
+  } catch {
     toast.showToast('创建配置失败', 'error')
   }
 }
 
 const deleteSetting = async (keyName: string) => {
-  if (confirm(`确定要删除配置项 "${keyName}" 吗？`)) {
-    try {
-      await deleteSettingApi(keyName)
-      toast.showToast('配置删除成功', 'success')
-      fetchSettings()
-    } catch (error) {
-      console.error('Error deleting setting:', error)
-      toast.showToast('删除配置失败', 'error')
-    }
+  if (!confirm(`确定要删除配置项 "${keyName}" 吗？`)) return
+  try {
+    await deleteSettingApi(keyName)
+    toast.showToast('配置删除成功', 'success')
+    await fetchSettings()
+  } catch {
+    toast.showToast('删除配置失败', 'error')
   }
 }
 
-const closeAddModal = () => {
-  showAddModal.value = false
-  newForm.value = {
-    keyName: '',
-    value: '',
-    description: ''
-  }
-}
-
-onMounted(() => {
-  fetchSettings()
-})
+onMounted(fetchSettings)
 </script>
-
-<style scoped>
-/* Scoped styles removed */
-</style>
diff --git a/client/src/pages/admin/TestimonialForm.vue b/client/src/pages/admin/TestimonialForm.vue
index ee435a2..9699ee6 100644
--- a/client/src/pages/admin/TestimonialForm.vue
+++ b/client/src/pages/admin/TestimonialForm.vue
@@ -6,7 +6,7 @@
       <form @submit.prevent="submitForm">
         <div class="form-group">
           <label class="form-label">作者</label>
-          <input type="text" v-model="formData.author" class="form-input" required placeholder="请输入作者姓名">
+          <input type="text" v-model="formData.name" class="form-input" required placeholder="请输入作者姓名">
         </div>
 
         <div class="form-group">
@@ -55,7 +55,7 @@ const toast = useToast()
 const isEdit = computed(() => !!route.params.id)
 
 const formData = ref({
-  author: '',
+  name: '',
   role: '',
   avatar: '',
   rating: 5,
@@ -74,7 +74,7 @@ const loadData = async () => {
     const item = list.find(t => t.id === id)
     if (item) {
       formData.value = {
-        author: item.author,
+        name: item.name,
         role: item.role,
         avatar: item.avatar,
         rating: item.rating,
diff --git a/client/src/pages/admin/Testimonials.vue b/client/src/pages/admin/Testimonials.vue
index 0743c78..ffad6c2 100644
--- a/client/src/pages/admin/Testimonials.vue
+++ b/client/src/pages/admin/Testimonials.vue
@@ -30,6 +30,7 @@
         <thead>
           <tr>
             <th>ID</th>
+            <th>头像</th>
             <th>作者</th>
             <th>角色</th>
             <th>内容</th>
@@ -41,7 +42,16 @@
         <tbody>
           <tr v-for="t in filteredTestimonials" :key="t.id">
             <td class="table-cell">{{ t.id }}</td>
-            <td class="table-cell">{{ t.author }}</td>
+            <td class="table-cell">
+              <img
+                v-if="t.avatar"
+                :src="t.avatar"
+                alt=""
+                class="w-8 h-8 rounded-full object-cover bg-white/5"
+              />
+              <span v-else class="text-art-muted text-xs">—</span>
+            </td>
+            <td class="table-cell">{{ t.name }}</td>
             <td class="table-cell">{{ t.role }}</td>
             <td class="table-cell" :title="t.content">
               {{ t.content.length > 30 ? t.content.substring(0, 30) + '...' : t.content }}
@@ -90,7 +100,7 @@ const ratingOptions = [
 ]
 
 const filteredTestimonials = computed(() => testimonials.value.filter(t => {
-  if (!matchKeywordFn(t, appliedKeyword.value, item => `${item.author} ${item.content}`)) return false
+  if (!matchKeywordFn(t, appliedKeyword.value, item => `${item.name} ${item.content}`)) return false
   if (appliedRating.value !== '' && t.rating !== Number(appliedRating.value)) return false
   return true
 }))
diff --git a/client/src/pages/admin/UserForm.vue b/client/src/pages/admin/UserForm.vue
index 651eceb..0d81080 100644
--- a/client/src/pages/admin/UserForm.vue
+++ b/client/src/pages/admin/UserForm.vue
@@ -22,11 +22,12 @@
         <!-- Email Field -->
         <div class="form-group">
           <label for="email">邮箱</label>
-          <input 
-            type="email" 
-            id="email" 
+          <EmailAutocomplete
+            name="email"
+            label="邮箱"
             v-model="form.email"
-            placeholder="请输入邮箱"
+            variant="admin"
+            :user-lookup="true"
             required
           />
           <div class="error-message" v-if="errors.email">
@@ -71,6 +72,29 @@
             {{ errors.isActive }}
           </div>
         </div>
+
+        <div class="form-group">
+          <label for="bio">个人介绍</label>
+          <textarea id="bio" v-model="form.bio" rows="4" placeholder="个人介绍" />
+        </div>
+
+        <div class="form-group">
+          <label for="phone">手机号</label>
+          <input id="phone" v-model="form.phone" type="tel" placeholder="选填" />
+        </div>
+
+        <div class="form-group">
+          <label for="wechat">微信号</label>
+          <input id="wechat" v-model="form.wechat" type="text" placeholder="选填" />
+        </div>
+
+        <div class="form-group">
+          <ImagePicker
+            v-model="form.wechatQrcode"
+            label="微信二维码"
+            hint="上传微信二维码图片"
+          />
+        </div>
         
         <!-- Submit Buttons -->
         <div class="form-actions">
@@ -93,6 +117,7 @@ import { useToast } from '../../composables/useToast'
 import { createUser, updateUser, fetchUser } from '../../services/api'
 import CustomSelect from '../../components/CustomSelect.vue'
 import ImagePicker from '../../components/admin/ImagePicker.vue'
+import EmailAutocomplete from '../../components/ui/EmailAutocomplete.vue'
 
 const router = useRouter()
 const route = useRoute()
@@ -108,6 +133,10 @@ const form = reactive({
   username: '',
   email: '',
   avatar: '',
+  bio: '',
+  phone: '',
+  wechat: '',
+  wechatQrcode: '',
   role: 'viewer',
   isActive: 1
 })
@@ -198,6 +227,10 @@ onMounted(async () => {
       form.username = user.username
       form.email = user.email
       form.avatar = user.avatar || ''
+      form.bio = user.bio || ''
+      form.phone = user.phone || ''
+      form.wechat = user.wechat || ''
+      form.wechatQrcode = user.wechatQrcode || ''
       form.role = user.role
       form.isActive = user.isActive
     } catch (error: any) {
@@ -249,7 +282,8 @@ onMounted(async () => {
 }
 
 .form-group input,
-.form-group select {
+.form-group select,
+.form-group textarea {
   width: 100%;
   padding: 0.75rem;
   border: 1px solid rgba(255, 255, 255, 0.2);
diff --git a/client/src/pages/admin/Users.vue b/client/src/pages/admin/Users.vue
index 444ae0c..62c2da9 100644
--- a/client/src/pages/admin/Users.vue
+++ b/client/src/pages/admin/Users.vue
@@ -57,7 +57,9 @@
               </div>
             </td>
             <td>{{ user.username }}</td>
-            <td>{{ user.email }}</td>
+            <td>
+              <button type="button" class="email-link" @click="openUserProfile(user.id)">{{ user.email }}</button>
+            </td>
             <td>
               <span class="role-badge" :class="user.role">
                 {{ getUserRoleText(user.role) }}
@@ -111,9 +113,11 @@ import { useToast } from '../../composables/useToast'
 import { getUsersPaginated, deleteUser, User } from '../../services/api'
 import CustomSelect from '../../components/CustomSelect.vue'
 import AdminTableFilter from '../../components/admin/AdminTableFilter.vue'
+import { useUserProfileModal } from '../../composables/useUserProfileModal'
 
 const router = useRouter()
 const toast = useToast()
+const { openUserProfile } = useUserProfileModal()
 
 // State
 const users = ref<User[]>([])
@@ -380,6 +384,21 @@ onMounted(() => {
   background: rgba(212, 179, 131, 0.05);
 }
 
+.email-link {
+  background: none;
+  border: none;
+  padding: 0;
+  color: #d4b383;
+  cursor: pointer;
+  font: inherit;
+  text-decoration: underline;
+  text-underline-offset: 2px;
+}
+
+.email-link:hover {
+  color: #fff;
+}
+
 /* Avatar */
 .user-avatar-cell {
   display: flex;
diff --git a/client/src/pages/admin/dashboard/Overview.vue b/client/src/pages/admin/dashboard/Overview.vue
index 9c88a9a..5a31a29 100644
--- a/client/src/pages/admin/dashboard/Overview.vue
+++ b/client/src/pages/admin/dashboard/Overview.vue
@@ -73,7 +73,7 @@
                 <span class="text-xs text-white/40 whitespace-nowrap">{{ formatDate(post.date) }}</span>
               </div>
               <div class="flex items-center gap-2 mt-2">
-                <span class="px-2 py-0.5 rounded text-[10px] bg-white/5 text-white/60 border border-white/5">{{ post.category }}</span>
+                <span class="px-2 py-0.5 rounded text-[10px] bg-white/5 text-white/60 border border-white/5">{{ post.categoryName || post.category?.name || '未分类' }}</span>
                 <span class="text-[10px] text-white/40 flex items-center gap-1">
                   <svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>
                   {{ post.readCount || 0 }}
@@ -90,7 +90,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, computed } from 'vue'
-import { getDashboardStats, getOperationLogs, fetchPosts } from '../../../services/api'
+import { getDashboardStats, getOperationLogs, getAdminPosts } from '../../../services/api'
 
 const stats = ref<any>({})
 const operationLogs = ref<any[]>([])
@@ -112,7 +112,7 @@ const loadData = async () => {
     const [statsData, logsData, postsData] = await Promise.all([
       getDashboardStats(),
       getOperationLogs(1, 5),
-      fetchPosts()
+      getAdminPosts(1, 5)
     ])
     
     stats.value = statsData
diff --git a/client/src/router.ts b/client/src/router.ts
index fe6d2c3..aef5939 100644
--- a/client/src/router.ts
+++ b/client/src/router.ts
@@ -31,6 +31,16 @@ export const getCachedSiteTitle = (): string => {
   return cachedSiteTitle || document.title.split(' | ')[0] || '年糕崽崽.Dev'
 }
 
+/** 清除网站标题缓存（配置更新后调用） */
+export const invalidateSiteTitleCache = () => {
+  cachedSiteTitle = null
+  settingsLoaded = false
+}
+
+if (typeof window !== 'undefined') {
+  window.addEventListener('public-settings-changed', invalidateSiteTitleCache)
+}
+
 // 设置页面标题
 const setPageTitle = async (to: any) => {
   const siteTitle = await loadSiteTitle()
@@ -85,6 +95,7 @@ const routes = [
       { path: 'users', name: 'admin-users', component: () => import('./pages/admin/Users.vue') },
       { path: 'users/create', name: 'admin-users-create', component: () => import('./pages/admin/UserForm.vue') },
       { path: 'users/:id/edit', name: 'admin-users-edit', component: () => import('./pages/admin/UserForm.vue') },
+      { path: 'profile', name: 'admin-profile', component: () => import('./pages/admin/Profile.vue'), meta: { title: '个人中心' } },
       
       // 角色管理
       { path: 'roles', name: 'admin-roles', component: () => import('./pages/admin/Roles.vue') },
diff --git a/client/src/services/api.ts b/client/src/services/api.ts
index 53a70f3..469775a 100644
--- a/client/src/services/api.ts
+++ b/client/src/services/api.ts
@@ -79,12 +79,36 @@ export interface User {
   username: string
   email: string
   avatar?: string
+  bio?: string
+  phone?: string
+  wechat?: string
+  wechatQrcode?: string
   role: string
   isActive: number
   createdAt: string
   updatedAt: string
 }
 
+export interface UserPublicProfile {
+  id: number
+  username: string
+  email: string
+  avatar?: string
+  bio?: string
+  phone?: string
+  wechat?: string
+  wechatQrcode?: string
+}
+
+export interface UpdateProfileRequest {
+  email: string
+  avatar?: string
+  bio?: string
+  phone?: string
+  wechat?: string
+  wechatQrcode?: string
+}
+
 export interface LoginRequest {
   username: string
   password: string
@@ -391,6 +415,46 @@ export const fetchUser = async (id: number): Promise<User> => {
   }
 }
 
+export const fetchUserProfile = async (id: number): Promise<UserPublicProfile> => {
+  const response = await fetch(`${API_BASE}/users/${id}/profile`)
+  return await parseApiResponse(response)
+}
+
+export const fetchUserPosts = async (
+  id: number,
+  sort: 'recent' | 'popular' = 'recent',
+  limit = 5
+): Promise<Post[]> => {
+  const qs = new URLSearchParams({ sort, limit: String(limit) })
+  const response = await fetch(`${API_BASE}/users/${id}/posts?${qs}`)
+  return await parseApiResponse(response)
+}
+
+export const getCurrentUser = async (): Promise<User> => {
+  const response = await authFetch(`${API_BASE}/admin/me`, {
+    headers: getAuthHeaders()
+  })
+  return await parseApiResponse(response)
+}
+
+export const updateCurrentUser = async (data: UpdateProfileRequest): Promise<User> => {
+  const response = await authFetch(`${API_BASE}/admin/me`, {
+    method: 'PUT',
+    headers: getAuthHeaders(),
+    body: JSON.stringify(data)
+  })
+  return await parseApiResponse(response)
+}
+
+export const updateCurrentUserPassword = async (oldPassword: string, newPassword: string): Promise<void> => {
+  const response = await authFetch(`${API_BASE}/admin/me/password`, {
+    method: 'PUT',
+    headers: getAuthHeaders(),
+    body: JSON.stringify({ oldPassword, newPassword })
+  })
+  await parseApiResponse(response)
+}
+
 export const createUser = async (userData: Omit<User, 'id' | 'createdAt' | 'updatedAt'>): Promise<void> => {
   try {
     const response = await authFetch(`${API_BASE}/admin/users`, {
@@ -1288,6 +1352,19 @@ export interface PublicSettings {
   site_keywords?: string
   visible_menus?: string
   posts_per_page?: string
+  works_per_page?: string
+  snippets_per_page?: string
+  footer_icp?: string
+  contact_email?: string
+}
+
+export const batchUpdateSettings = async (values: Record<string, string>): Promise<void> => {
+  const response = await authFetch(`${API_BASE}/admin/settings`, {
+    method: 'PUT',
+    headers: getAuthHeaders(),
+    body: JSON.stringify(values)
+  })
+  await parseApiResponse(response)
 }
 
 export const getPublicSettings = async (): Promise<PublicSettings> => {
@@ -1548,7 +1625,7 @@ export const deleteAboutProfile = async (id: number): Promise<void> => {
 export interface Testimonial {
   id: number
   content: string
-  author: string
+  name: string
   role: string
   avatar: string
   rating: number
@@ -1562,7 +1639,7 @@ export interface Partner {
   name: string
   logo: string
   description: string
-  website: string
+  url: string
   createdAt: string
   updatedAt: string
 }
diff --git a/client/src/style.css b/client/src/style.css
index e1fca44..577cfae 100644
--- a/client/src/style.css
+++ b/client/src/style.css
@@ -67,6 +67,10 @@
   .admin-btn-secondary {
     @apply bg-transparent text-white border border-white/10 px-5 py-2.5 rounded-md hover:bg-white/5 active:scale-95 transition-all text-sm;
   }
+
+  .admin-btn-search {
+    @apply bg-art-accent text-black font-medium px-5 py-2.5 rounded-md hover:opacity-90 active:scale-95 transition-all text-sm tracking-wide;
+  }
   
   .admin-btn-danger {
     @apply bg-art-error/10 text-art-error border border-art-error/20 px-5 py-2.5 rounded-md hover:bg-art-error/20 active:scale-95 transition-all text-sm;
diff --git a/server/handlers/auth.go b/server/handlers/auth.go
index 1626e78..ecfa9ac 100644
--- a/server/handlers/auth.go
+++ b/server/handlers/auth.go
@@ -65,12 +65,7 @@ func Login(c *gin.Context) {
 	utils.Success(c, gin.H{
 		"token":  tokenString,
 		"expire": expireUnix,
-		"user": gin.H{
-			"id":       user.ID,
-			"username": user.Username,
-			"email":    user.Email,
-			"role":     user.Role,
-		},
+		"user":   repositories.BuildUserResponse(user),
 	})
 }
 
diff --git a/server/handlers/category.go b/server/handlers/category.go
index 0c574ba..3345423 100644
--- a/server/handlers/category.go
+++ b/server/handlers/category.go
@@ -16,7 +16,7 @@ func GetCategories(c *gin.Context) {
 		utils.ServerError(c, err)
 		return
 	}
-	utils.Success(c, categories)
+	utils.Success(c, repositories.BuildCategoriesResponse(categories))
 }
 
 // GetCategoryByID 根据ID获取分类
@@ -38,7 +38,7 @@ func GetCategoryByID(c *gin.Context) {
 		return
 	}
 
-	utils.Success(c, category)
+	utils.Success(c, repositories.BuildCategoryResponse(category))
 }
 
 // AdminCreateCategory 创建分类
@@ -54,7 +54,7 @@ func AdminCreateCategory(c *gin.Context) {
 		return
 	}
 
-	utils.Success(c, category)
+	utils.Success(c, repositories.BuildCategoryResponse(&category))
 }
 
 // AdminUpdateCategory 更新分类
@@ -78,7 +78,7 @@ func AdminUpdateCategory(c *gin.Context) {
 		return
 	}
 
-	utils.Success(c, category)
+	utils.Success(c, repositories.BuildCategoryResponse(&category))
 }
 
 // AdminDeleteCategory 删除分类
diff --git a/server/handlers/column.go b/server/handlers/column.go
index 2330eb5..95e67f8 100644
--- a/server/handlers/column.go
+++ b/server/handlers/column.go
@@ -16,7 +16,7 @@ func GetColumns(c *gin.Context) {
 		utils.ServerError(c, err)
 		return
 	}
-	utils.Success(c, columns)
+	utils.Success(c, repositories.BuildColumnsResponse(columns))
 }
 
 // GetColumnByID 根据ID获取专栏
diff --git a/server/handlers/setting.go b/server/handlers/setting.go
index 917d73e..ba5a61c 100644
--- a/server/handlers/setting.go
+++ b/server/handlers/setting.go
@@ -20,7 +20,11 @@ func GetSettings(c *gin.Context) {
 
 	// 只返回前端需要的公开配置项
 	publicSettings := make(map[string]string)
-	publicKeys := []string{"site_title", "site_description", "site_author", "site_keywords", "visible_menus", "posts_per_page"}
+	publicKeys := []string{
+		"site_title", "site_description", "site_author", "site_keywords",
+		"visible_menus", "posts_per_page", "works_per_page", "snippets_per_page",
+		"footer_icp", "contact_email",
+	}
 
 	for _, key := range publicKeys {
 		if value, exists := settingsMap[key]; exists {
diff --git a/server/main.go b/server/main.go
index 3d705ce..ff74de6 100644
--- a/server/main.go
+++ b/server/main.go
@@ -26,6 +26,7 @@ func main() {
 	repositories.MigratePostSnippets()
 	repositories.MigratePostUserID()
 	repositories.MigrateUserAvatar()
+	repositories.MigrateUserProfileFields()
 
 	// 初始化ip2region (如果文件不存在，将降级为普通IP记录)
 	// 函数会自动从环境变量或可执行文件目录查找 ip2region.xdb
@@ -101,6 +102,10 @@ func main() {
 		// 咨询相关路由
 		api.POST("/inquiries", handlers.SubmitInquiry)
 		api.GET("/email-suffixes", handlers.GetEmailSuffixes)
+
+		// 用户公开资料
+		api.GET("/users/:id/profile", handlers.GetUserProfile)
+		api.GET("/users/:id/posts", handlers.GetUserPosts)
 	}
 
 	// 管理员API路由组
@@ -113,6 +118,11 @@ func main() {
 		authAdmin := admin.Group("/")
 		authAdmin.Use(middleware.AuthMiddleware(), middleware.OperationLogMiddleware())
 		{
+			// 当前用户
+			authAdmin.GET("/me", handlers.GetCurrentUser)
+			authAdmin.PUT("/me", handlers.UpdateCurrentUser)
+			authAdmin.PUT("/me/password", handlers.UpdateCurrentUserPassword)
+
 			// 用户管理
 			authAdmin.GET("/users", middleware.PermissionMiddleware("users", "read"), handlers.AdminGetUsers)
 			authAdmin.GET("/users/:id", middleware.PermissionMiddleware("users", "read"), handlers.AdminGetUser)
@@ -198,6 +208,7 @@ func main() {
 
 			// 标签管理
 			authAdmin.GET("/tags", middleware.PermissionMiddleware("tags", "read"), handlers.AdminGetTags)
+			authAdmin.GET("/tags/:id", middleware.PermissionMiddleware("tags", "read"), handlers.GetTag)
 			authAdmin.POST("/tags", middleware.PermissionMiddleware("tags", "create"), handlers.AdminCreateTag)
 			authAdmin.PUT("/tags/:id", middleware.PermissionMiddleware("tags", "update"), handlers.AdminUpdateTag)
 			authAdmin.DELETE("/tags/:id", middleware.PermissionMiddleware("tags", "delete"), handlers.AdminDeleteTag)
diff --git a/server/models/category.go b/server/models/category.go
index cc4f07e..0cd5615 100644
--- a/server/models/category.go
+++ b/server/models/category.go
@@ -43,3 +43,14 @@ func (c *Category) BeforeUpdate(tx *gorm.DB) error {
 	c.UpdatedAt = time.Now().Unix()
 	return nil
 }
+
+// CategoryResponse 分类 API 响应
+type CategoryResponse struct {
+	ID          uint   `json:"id"`
+	Name        string `json:"name"`
+	Slug        string `json:"slug"`
+	Description string `json:"description"`
+	SortOrder   uint   `json:"sortOrder"`
+	CreatedAt   string `json:"createdAt"`
+	UpdatedAt   string `json:"updatedAt"`
+}
diff --git a/server/models/column.go b/server/models/column.go
index 06324dd..6599ddd 100644
--- a/server/models/column.go
+++ b/server/models/column.go
@@ -45,6 +45,20 @@ func (c *Column) BeforeUpdate(tx *gorm.DB) error {
 	return nil
 }
 
+// ColumnResponse 专栏 API 响应
+type ColumnResponse struct {
+	ID          uint   `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Cover       string `json:"cover"`
+	IsActive    int    `json:"isActive"`
+	SortOrder   uint   `json:"sortOrder"`
+	CreatedAt   string `json:"createdAt"`
+	UpdatedAt   string `json:"updatedAt"`
+	PostCount   int64  `json:"postCount,omitempty"`
+	LastUpdated string `json:"lastUpdated,omitempty"`
+}
+
 // ColumnPost 专栏文章关联模型
 type ColumnPost struct {
 	ColumnID  uint  `json:"columnId" gorm:"primaryKey;column:column_id"`
diff --git a/server/models/tag.go b/server/models/tag.go
index 1808156..6034890 100644
--- a/server/models/tag.go
+++ b/server/models/tag.go
@@ -42,6 +42,15 @@ func (t *Tag) BeforeUpdate(tx *gorm.DB) error {
 	return nil
 }
 
+// TagResponse 标签 API 响应
+type TagResponse struct {
+	ID        uint   `json:"id"`
+	Name      string `json:"name"`
+	Slug      string `json:"slug"`
+	CreatedAt string `json:"createdAt"`
+	UpdatedAt string `json:"updatedAt"`
+}
+
 // PostTag 文章标签关联模型
 type PostTag struct {
 	PostID    uint  `json:"postId" gorm:"primaryKey;column:post_id"`
diff --git a/server/models/user.go b/server/models/user.go
index a42c59e..30f3bb8 100644
--- a/server/models/user.go
+++ b/server/models/user.go
@@ -12,6 +12,10 @@ type User struct {
 	Username     string `json:"username" gorm:"column:username;uniqueIndex;not null"`
 	Email        string `json:"email" gorm:"column:email"`
 	Avatar       string `json:"avatar" gorm:"column:avatar"`
+	Bio          string `json:"bio" gorm:"column:bio;type:text"`
+	Phone        string `json:"phone" gorm:"column:phone"`
+	Wechat       string `json:"wechat" gorm:"column:wechat"`
+	WechatQrcode string `json:"wechatQrcode" gorm:"column:wechat_qrcode"`
 	Password     string `json:"password,omitempty" gorm:"-"` // Virtual field for input
 	PasswordHash string `json:"-" gorm:"column:password_hash"`
 	RoleID       uint   `json:"roleId" gorm:"column:role_id"`
@@ -50,15 +54,47 @@ func (u *User) BeforeUpdate(tx *gorm.DB) error {
 
 // UserResponse 用户响应模型
 type UserResponse struct {
-	ID        uint   `json:"id"`
-	Username  string `json:"username"`
-	Email     string `json:"email"`
-	Avatar    string `json:"avatar,omitempty"`
-	RoleID    uint   `json:"roleId"`
-	Role      string `json:"role"`
-	IsActive  int    `json:"isActive"`
-	CreatedAt string `json:"createdAt"`
-	UpdatedAt string `json:"updatedAt"`
+	ID           uint   `json:"id"`
+	Username     string `json:"username"`
+	Email        string `json:"email"`
+	Avatar       string `json:"avatar,omitempty"`
+	Bio          string `json:"bio,omitempty"`
+	Phone        string `json:"phone,omitempty"`
+	Wechat       string `json:"wechat,omitempty"`
+	WechatQrcode string `json:"wechatQrcode,omitempty"`
+	RoleID       uint   `json:"roleId"`
+	Role         string `json:"role"`
+	IsActive     int    `json:"isActive"`
+	CreatedAt    string `json:"createdAt"`
+	UpdatedAt    string `json:"updatedAt"`
+}
+
+// UserPublicProfile 公开用户资料（前台展示）
+type UserPublicProfile struct {
+	ID           uint   `json:"id"`
+	Username     string `json:"username"`
+	Email        string `json:"email"`
+	Avatar       string `json:"avatar,omitempty"`
+	Bio          string `json:"bio,omitempty"`
+	Phone        string `json:"phone,omitempty"`
+	Wechat       string `json:"wechat,omitempty"`
+	WechatQrcode string `json:"wechatQrcode,omitempty"`
+}
+
+// UpdateProfileRequest 当前用户更新资料请求
+type UpdateProfileRequest struct {
+	Email        string `json:"email"`
+	Avatar       string `json:"avatar"`
+	Bio          string `json:"bio"`
+	Phone        string `json:"phone"`
+	Wechat       string `json:"wechat"`
+	WechatQrcode string `json:"wechatQrcode"`
+}
+
+// UpdatePasswordRequest 修改密码请求
+type UpdatePasswordRequest struct {
+	OldPassword string `json:"oldPassword" binding:"required"`
+	NewPassword string `json:"newPassword" binding:"required"`
 }
 
 // LoginRequest 登录请求模型
diff --git a/server/repositories/category_repository.go b/server/repositories/category_repository.go
index 018b57b..7c4ce82 100644
--- a/server/repositories/category_repository.go
+++ b/server/repositories/category_repository.go
@@ -78,3 +78,25 @@ func DeleteCategory(id uint) error {
 	}
 	return nil
 }
+
+// BuildCategoryResponse 构建分类响应
+func BuildCategoryResponse(category *models.Category) *models.CategoryResponse {
+	return &models.CategoryResponse{
+		ID:          category.ID,
+		Name:        category.Name,
+		Slug:        category.Slug,
+		Description: category.Description,
+		SortOrder:   category.SortOrder,
+		CreatedAt:   formatTimestamp(category.CreatedAt),
+		UpdatedAt:   formatTimestamp(category.UpdatedAt),
+	}
+}
+
+// BuildCategoriesResponse 构建分类列表响应
+func BuildCategoriesResponse(categories []models.Category) []models.CategoryResponse {
+	responses := make([]models.CategoryResponse, 0, len(categories))
+	for _, category := range categories {
+		responses = append(responses, *BuildCategoryResponse(&category))
+	}
+	return responses
+}
diff --git a/server/repositories/column_repository.go b/server/repositories/column_repository.go
index 383b7b2..9178c00 100644
--- a/server/repositories/column_repository.go
+++ b/server/repositories/column_repository.go
@@ -87,24 +87,46 @@ func GetColumnStats(columnID uint) (int64, int64, error) {
 }
 
 // BuildColumnResponse 构建专栏响应（包含统计信息）
-func BuildColumnResponse(col *models.Column) map[string]interface{} {
+func BuildColumnResponse(col *models.Column) *models.ColumnResponse {
 	postCount, lastUpdated, _ := GetColumnStats(col.ID)
 
-	return map[string]interface{}{
-		"id":          col.ID,
-		"name":        col.Name,
-		"description": col.Description,
-		"cover":       col.Cover,
-		"isActive":    col.IsActive,
-		"sortOrder":   col.SortOrder,
-		"createdAt":   col.CreatedAt,
-		"updatedAt":   col.UpdatedAt,
-		"deletedAt":   col.DeletedAt,
-		"postCount":   postCount,
-		"lastUpdated": lastUpdated,
+	return &models.ColumnResponse{
+		ID:          col.ID,
+		Name:        col.Name,
+		Description: col.Description,
+		Cover:       col.Cover,
+		IsActive:    col.IsActive,
+		SortOrder:   col.SortOrder,
+		CreatedAt:   formatTimestamp(col.CreatedAt),
+		UpdatedAt:   formatTimestamp(col.UpdatedAt),
+		PostCount:   postCount,
+		LastUpdated: formatTimestamp(lastUpdated),
 	}
 }
 
+// BuildColumnItemResponse 构建专栏列表项响应（不含统计）
+func BuildColumnItemResponse(col *models.Column) *models.ColumnResponse {
+	return &models.ColumnResponse{
+		ID:          col.ID,
+		Name:        col.Name,
+		Description: col.Description,
+		Cover:       col.Cover,
+		IsActive:    col.IsActive,
+		SortOrder:   col.SortOrder,
+		CreatedAt:   formatTimestamp(col.CreatedAt),
+		UpdatedAt:   formatTimestamp(col.UpdatedAt),
+	}
+}
+
+// BuildColumnsResponse 构建专栏列表响应
+func BuildColumnsResponse(columns []models.Column) []models.ColumnResponse {
+	responses := make([]models.ColumnResponse, 0, len(columns))
+	for _, col := range columns {
+		responses = append(responses, *BuildColumnItemResponse(&col))
+	}
+	return responses
+}
+
 // CreateColumn 创建专栏
 func CreateColumn(col *models.Column) error {
 	err := config.DB.Create(col).Error
diff --git a/server/repositories/migration.go b/server/repositories/migration.go
index e4661d7..02a0bb2 100644
--- a/server/repositories/migration.go
+++ b/server/repositories/migration.go
@@ -175,3 +175,23 @@ func MigrateUserAvatar() {
 	log.Printf("Adding users.avatar...")
 	execSQL("ALTER TABLE `users` ADD COLUMN `avatar` VARCHAR(500) NULL DEFAULT NULL COMMENT '头像URL' AFTER `email`")
 }
+
+// MigrateUserProfileFields adds profile fields to users if missing.
+func MigrateUserProfileFields() {
+	if !columnExists("users", "bio") {
+		log.Printf("Adding users.bio...")
+		execSQL("ALTER TABLE `users` ADD COLUMN `bio` TEXT NULL COMMENT '个人介绍' AFTER `avatar`")
+	}
+	if !columnExists("users", "phone") {
+		log.Printf("Adding users.phone...")
+		execSQL("ALTER TABLE `users` ADD COLUMN `phone` VARCHAR(20) NULL DEFAULT NULL COMMENT '手机号' AFTER `bio`")
+	}
+	if !columnExists("users", "wechat") {
+		log.Printf("Adding users.wechat...")
+		execSQL("ALTER TABLE `users` ADD COLUMN `wechat` VARCHAR(100) NULL DEFAULT NULL COMMENT '微信号' AFTER `phone`")
+	}
+	if !columnExists("users", "wechat_qrcode") {
+		log.Printf("Adding users.wechat_qrcode...")
+		execSQL("ALTER TABLE `users` ADD COLUMN `wechat_qrcode` VARCHAR(500) NULL DEFAULT NULL COMMENT '微信二维码图片URL' AFTER `wechat`")
+	}
+}
diff --git a/server/repositories/post_repository.go b/server/repositories/post_repository.go
index 81ce3c9..40c865a 100644
--- a/server/repositories/post_repository.go
+++ b/server/repositories/post_repository.go
@@ -76,6 +76,36 @@ func GetPosts(keyword string, categoryID uint, tagID uint, columnID uint, page i
 	return posts, total, nil
 }
 
+// GetPostsByUserID 获取用户已发布文章（用于公开资料页）
+func GetPostsByUserID(userID uint, sort string, limit int) ([]models.Post, error) {
+	if limit <= 0 {
+		limit = 5
+	}
+	if limit > 20 {
+		limit = 20
+	}
+
+	orderClause := "created_at DESC"
+	if sort == "popular" {
+		orderClause = "read_count DESC, created_at DESC"
+	}
+
+	var posts []models.Post
+	err := config.DB.Model(&models.Post{}).
+		Where("user_id = ? AND is_published = ? AND deleted_at = ?", userID, 1, 0).
+		Preload("Category").
+		Preload("Column").
+		Preload("Tags").
+		Order(orderClause).
+		Limit(limit).
+		Find(&posts).Error
+	if err != nil {
+		log.Printf("Error querying posts by user ID: %v", err)
+		return nil, err
+	}
+	return posts, nil
+}
+
 // GetPostByID 根据ID获取博客文章
 func GetPostByID(id uint) (*models.Post, error) {
 	var post models.Post
@@ -452,6 +482,8 @@ func buildPostResponse(post *models.Post, includeContent, includeSnippets bool,
 	if post.Category != nil {
 		catName = post.Category.Name
 		catSlug = post.Category.Slug
+	} else if post.CategoryID > 0 {
+		catName = lookupCategoryName(post.CategoryID)
 	}
 
 	colName := ""
diff --git a/server/repositories/tag_repository.go b/server/repositories/tag_repository.go
index 74e9358..4b74e16 100644
--- a/server/repositories/tag_repository.go
+++ b/server/repositories/tag_repository.go
@@ -160,11 +160,21 @@ func GetPostsByTagID(tagID uint) ([]models.Post, error) {
 }
 
 // BuildTagsResponse 构建标签列表响应
-func BuildTagsResponse(tags []models.Tag) []models.Tag {
-	return tags
+func BuildTagsResponse(tags []models.Tag) []models.TagResponse {
+	responses := make([]models.TagResponse, 0, len(tags))
+	for _, tag := range tags {
+		responses = append(responses, *BuildTagResponse(&tag))
+	}
+	return responses
 }
 
 // BuildTagResponse 构建标签响应
-func BuildTagResponse(tag *models.Tag) *models.Tag {
-	return tag
+func BuildTagResponse(tag *models.Tag) *models.TagResponse {
+	return &models.TagResponse{
+		ID:        tag.ID,
+		Name:      tag.Name,
+		Slug:      tag.Slug,
+		CreatedAt: formatTimestamp(tag.CreatedAt),
+		UpdatedAt: formatTimestamp(tag.UpdatedAt),
+	}
 }
diff --git a/server/repositories/user_repository.go b/server/repositories/user_repository.go
index 21b68cc..3631ce9 100644
--- a/server/repositories/user_repository.go
+++ b/server/repositories/user_repository.go
@@ -134,12 +134,16 @@ func UpdateUser(user *models.User) error {
 	}
 
 	updates := map[string]interface{}{
-		"username":   user.Username,
-		"email":      user.Email,
-		"avatar":     user.Avatar,
-		"role":       user.Role,
-		"is_active":  user.IsActive,
-		"updated_at": time.Now().Unix(),
+		"username":      user.Username,
+		"email":         user.Email,
+		"avatar":        user.Avatar,
+		"bio":           user.Bio,
+		"phone":         user.Phone,
+		"wechat":        user.Wechat,
+		"wechat_qrcode": user.WechatQrcode,
+		"role":          user.Role,
+		"is_active":     user.IsActive,
+		"updated_at":    time.Now().Unix(),
 	}
 
 	if user.RoleID != 0 {
@@ -205,18 +209,56 @@ func GetUserCount() (int, error) {
 // BuildUserResponse 构建用户响应
 func BuildUserResponse(user *models.User) *models.UserResponse {
 	return &models.UserResponse{
-		ID:        user.ID,
-		Username:  user.Username,
-		Email:     user.Email,
-		Avatar:    user.Avatar,
-		RoleID:    user.RoleID,
-		Role:      user.Role,
-		IsActive:  user.IsActive,
-		CreatedAt: time.Unix(user.CreatedAt, 0).Format("2006-01-02 15:04:05"),
-		UpdatedAt: time.Unix(user.UpdatedAt, 0).Format("2006-01-02 15:04:05"),
+		ID:           user.ID,
+		Username:     user.Username,
+		Email:        user.Email,
+		Avatar:       user.Avatar,
+		Bio:          user.Bio,
+		Phone:        user.Phone,
+		Wechat:       user.Wechat,
+		WechatQrcode: user.WechatQrcode,
+		RoleID:       user.RoleID,
+		Role:         user.Role,
+		IsActive:     user.IsActive,
+		CreatedAt:    time.Unix(user.CreatedAt, 0).Format("2006-01-02 15:04:05"),
+		UpdatedAt:    time.Unix(user.UpdatedAt, 0).Format("2006-01-02 15:04:05"),
 	}
 }
 
+// BuildUserPublicProfile 构建公开用户资料
+func BuildUserPublicProfile(user *models.User) *models.UserPublicProfile {
+	return &models.UserPublicProfile{
+		ID:           user.ID,
+		Username:     user.Username,
+		Email:        user.Email,
+		Avatar:       user.Avatar,
+		Bio:          user.Bio,
+		Phone:        user.Phone,
+		Wechat:       user.Wechat,
+		WechatQrcode: user.WechatQrcode,
+	}
+}
+
+// UpdateCurrentUserProfile 更新当前用户资料（不含角色/状态）
+func UpdateCurrentUserProfile(id uint, req *models.UpdateProfileRequest) error {
+	err := config.DB.Model(&models.User{}).
+		Where("id = ? AND deleted_at = ?", id, 0).
+		Updates(map[string]interface{}{
+			"email":         req.Email,
+			"avatar":        req.Avatar,
+			"bio":           req.Bio,
+			"phone":         req.Phone,
+			"wechat":        req.Wechat,
+			"wechat_qrcode": req.WechatQrcode,
+			"updated_at":    time.Now().Unix(),
+		}).Error
+	if err != nil {
+		log.Printf("Error updating user profile: %v", err)
+		return err
+	}
+	return nil
+}
+
 // BuildUsersResponse 构建用户列表响应
 func BuildUsersResponse(users []models.User) []models.UserResponse {
 	var responses []models.UserResponse