diff --git a/web/admin/src/views/system/HelpArticlesPage.vue b/web/admin/src/views/system/HelpArticlesPage.vue
index c6fa8cd..caf5a54 100644
--- a/web/admin/src/views/system/HelpArticlesPage.vue
+++ b/web/admin/src/views/system/HelpArticlesPage.vue
@@ -53,6 +53,10 @@ async function fetchCategories() {
   try {
     const res = await request.get('/admin/help-categories', { params: { page: 1, page_size: 100, parent_id: -1 } })
     categories.value = res.data?.data?.list || []
+    if (categories.value.length > 0 && !categoryFilter.value) {
+      categoryFilter.value = categories.value[0].id
+      fetchList()
+    }
   } catch {}
 }
 
@@ -61,7 +65,7 @@ async function fetchList() {
   try {
     const params: any = { page: pagination.current, page_size: pagination.pageSize }
     if (statusFilter.value) params.status = statusFilter.value
-    if (categoryFilter.value) params.category_id = categoryFilter.value
+    if (categoryFilter.value != null) params.category_id = categoryFilter.value
     const res = await request.get('/admin/help-articles', { params })
     const data = res.data?.data
     articles.value = data?.list || []
@@ -75,7 +79,7 @@ const editingId = ref<number | null>(null)
 const formLoading = ref(false)
 const detailLoading = ref(false)
 const form = reactive({
-  category_id: 0,
+  category_id: undefined as number | undefined,
   title: '',
   slug: '',
   content: '',
@@ -86,7 +90,7 @@ const form = reactive({
 })
 const keywordInput = ref('')
 
-function resetForm() { Object.assign(form, { category_id: 0, title: '', slug: '', content: '', summary: '', status: 'draft', sort_order: 0, keywords: [] }); keywordInput.value = '' }
+function resetForm() { Object.assign(form, { category_id: undefined, title: '', slug: '', content: '', summary: '', status: 'draft', sort_order: 0, keywords: [] }); keywordInput.value = '' }
 
 function openCreate() { editingId.value = null; resetForm(); showDrawer.value = true }
 
@@ -133,7 +137,7 @@ async function deleteArticle(row: any) {
   }})
 }
 
-onMounted(() => { fetchCategories(); fetchList() })
+onMounted(() => { fetchCategories() })
 </script>
 
 <template>
@@ -166,8 +170,8 @@ onMounted(() => { fetchCategories(); fetchList() })
           <AFormItem label="标题" required><AInput v-model="form.title" placeholder="文章标题" /></AFormItem>
           <AFormItem label="Slug" required><AInput v-model="form.slug" placeholder="url-friendly-identifier" /></AFormItem>
           <div class="flex gap-4">
-            <AFormItem label="分类" required class="flex-1">
-              <ASelect v-model="form.category_id" :options="categories.map((c: any) => ({ value: c.id, label: c.name }))" placeholder="选择分类" />
+            <AFormItem label="分类" required class="flex-1 min-w-[160px]">
+              <ASelect v-model="form.category_id" :options="categories.map((c: any) => ({ value: c.id, label: c.name }))" placeholder="选择分类" allow-clear />
             </AFormItem>
             <AFormItem label="状态" class="w-40">
               <ASelect v-model="form.status" :options="[{ label: '草稿', value: 'draft' }, { label: '已发布', value: 'published' }]" />
diff --git a/web/admin/src/views/system/UsersPage.vue b/web/admin/src/views/system/UsersPage.vue
index 58194a0..90f89c0 100644
--- a/web/admin/src/views/system/UsersPage.vue
+++ b/web/admin/src/views/system/UsersPage.vue
@@ -35,7 +35,7 @@ const form = reactive({
   email: '',
   password: '',
   role: 'admin',
-  status: 1,
+  status: 'active',
 })
 
 const roleOptions = [
@@ -44,8 +44,8 @@ const roleOptions = [
 ]
 
 const statusOptions = [
-  { label: '启用', value: 1 },
-  { label: '禁用', value: 0 },
+  { label: '启用', value: 'active' },
+  { label: '禁用', value: 'disabled' },
 ]
 
 const columns: TableColumnData[] = [
@@ -67,8 +67,8 @@ const columns: TableColumnData[] = [
     dataIndex: 'status',
     width: 80,
     render({ record }) {
-      const color = record.status === 1 ? 'green' : undefined
-      const label = record.status === 1 ? '启用' : '禁用'
+      const color = record.status === 'active' ? 'green' : undefined
+      const label = record.status === 'active' ? '启用' : '禁用'
       return h(Tag, { color, size: 'small' }, () => label)
     },
   },
@@ -82,9 +82,9 @@ const columns: TableColumnData[] = [
       return h(Space, { size: 4 }, () => [
         h(Button, { size: 'small', type: 'primary', onClick: () => openEdit(record) }, () => '编辑'),
         h(Popconfirm, {
-          content: `确定${record.status === 1 ? '禁用' : '启用'}该用户？`,
+          content: `确定${record.status === 'active' ? '禁用' : '启用'}该用户？`,
           onOk: () => toggleStatus(record),
-        }, () => h(Button, { size: 'small' }, () => record.status === 1 ? '禁用' : '启用')),
+        }, () => h(Button, { size: 'small' }, () => record.status === 'active' ? '禁用' : '启用')),
         h(Button, { size: 'small', onClick: () => openResetPassword(record) }, () => '重置密码'),
         h(Popconfirm, {
           content: '确定删除该用户？此操作不可撤销。',
@@ -118,7 +118,7 @@ function openCreate() {
   form.email = ''
   form.password = ''
   form.role = 'admin'
-  form.status = 1
+  form.status = 'active'
   showModal.value = true
 }
 
@@ -161,7 +161,7 @@ async function handleSubmit(done: () => void) {
 
 async function toggleStatus(row: any) {
   try {
-    await request.put(`/admin/users/${row.id}/status`, { status: row.status === 1 ? 0 : 1 })
+    await request.put(`/admin/users/${row.id}/status`, { status: row.status === 'active' ? 'disabled' : 'active' })
     Message.success('状态更新成功')
     fetchData()
   } catch {