diff --git a/src/pages/TicketsPage.vue b/src/pages/TicketsPage.vue
index 48e8723..afbb108 100644
--- a/src/pages/TicketsPage.vue
+++ b/src/pages/TicketsPage.vue
@@ -75,7 +75,17 @@
           <el-cascader v-model='ticketForm.ticket_category_id' class='w-full' placeholder='请选择分类' :options='activeCategoryOptions' :props='categoryCascaderProps' />
         </el-form-item>
         <el-form-item label='标题'><el-input v-model='ticketForm.title' /></el-form-item>
-        <el-form-item label='内容'><el-input v-model='ticketForm.content' type='textarea' :rows='6' /></el-form-item>
+        <el-form-item label='内容'>
+          <div class='ticket-content-field'>
+            <el-input v-model='ticketForm.content' type='textarea' :rows='6' />
+            <div v-if='selectedCategoryDescriptions.length > 0' class='category-descriptions'>
+              <div v-for='item in selectedCategoryDescriptions' :key='item.id' class='category-description-line'>
+                <span class='category-description-name'>{{ item.name }}</span>
+                <span>{{ item.description }}</span>
+              </div>
+            </div>
+          </div>
+        </el-form-item>
       </el-form>
       <template #footer>
         <el-button @click='ticketDialogVisible = false'>取消</el-button>
@@ -193,7 +203,6 @@ const perPage = ref(20)
 const filters = reactive<any>({ status: '', category_id: null, mine: false })
 const categories = ref<any[]>([])
 const categoryTree = ref<any[]>([])
-const activeCategories = computed(() => categories.value.filter((item) => item.is_active))
 const categoryCascaderProps = { value: 'id', label: 'name', checkStrictly: true, emitPath: false }
 const categoryOptions = computed(() => buildCategoryOptions(categoryTree.value))
 const activeCategoryOptions = computed(() => buildCategoryOptions(categoryTree.value, true))
@@ -262,14 +271,22 @@ function handleSizeChange(nextSize: number): void {
 }
 
 function openCreateTicket(): void {
-  Object.assign(ticketForm, { ticket_category_id: activeCategories.value[0]?.id || null, title: '', content: '' })
+  Object.assign(ticketForm, { ticket_category_id: null, title: '', content: '' })
   ticketDialogVisible.value = true
 }
 
 async function submitTicket(): Promise<void> {
   const ticketCategoryId = selectedCategoryId(ticketForm.ticket_category_id)
-  if (!ticketCategoryId || !ticketForm.title?.trim() || !ticketForm.content?.trim()) {
-    ElMessage.warning('请完整填写工单信息')
+  if (!ticketCategoryId) {
+    ElMessage.warning('请选择工单分类')
+    return
+  }
+  if (!ticketForm.title?.trim()) {
+    ElMessage.warning('请输入工单标题')
+    return
+  }
+  if (!ticketForm.content?.trim()) {
+    ElMessage.warning('请输入工单内容')
     return
   }
   savingTicket.value = true
@@ -415,6 +432,21 @@ function categoryLabel(categoryId: number | string | null | undefined): string {
   return path.length > 0 ? path.join(' / ') : '-'
 }
 
+const selectedCategoryDescriptions = computed(() => {
+  const categoryId = selectedCategoryId(ticketForm.ticket_category_id)
+  if (!categoryId) {
+    return []
+  }
+
+  return findCategoryNodes(categoryTree.value, categoryId)
+    .filter((item) => String(item.description || '').trim() !== '')
+    .map((item) => ({
+      id: item.id,
+      name: item.name,
+      description: String(item.description || '').trim(),
+    }))
+})
+
 function findCategoryPath(items: any[], categoryId: number, parents: string[] = []): string[] {
   for (const item of items) {
     const nextPath = [...parents, item.name]
@@ -430,6 +462,21 @@ function findCategoryPath(items: any[], categoryId: number, parents: string[] =
   return []
 }
 
+function findCategoryNodes(items: any[], categoryId: number, parents: any[] = []): any[] {
+  for (const item of items) {
+    const nextPath = [...parents, item]
+    if (Number(item.id) === categoryId) {
+      return nextPath
+    }
+    const childPath = findCategoryNodes(item.children || [], categoryId, nextPath)
+    if (childPath.length > 0) {
+      return childPath
+    }
+  }
+
+  return []
+}
+
 async function removeCategory(row: any): Promise<void> {
   await ElMessageBox.confirm(`确认删除分类「${row.name}」吗？历史工单会保留但分类置空。`, '提示', { type: 'warning' })
   await ticketsApi.removeCategory(row.id)
@@ -474,4 +521,8 @@ onMounted(async () => {
 .message-box { border: 1px solid #e2e8f0; border-radius: 8px; padding: 10px; background: #f8fafc; }
 .message-sender { font-size: 12px; color: #64748b; margin-bottom: 6px; }
 .message-content { white-space: pre-wrap; color: #0f172a; }
+.ticket-content-field { width: 100%; display: flex; flex-direction: column; gap: 10px; }
+.category-descriptions { border: 1px solid #e5e7eb; border-radius: 6px; background: #f8fafc; padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
+.category-description-line { color: #334155; line-height: 1.5; word-break: break-word; }
+.category-description-name { color: #111827; font-weight: 600; margin-right: 8px; }
 </style>