diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index ddea756..ec4f277 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -204,6 +204,10 @@
             <div class="task-header">
               <h3 class="task-title">{{ task.title }}</h3>
               <div class="task-badges">
+                <span v-if="task.isSubTask" class="badge badge-subtask">
+                  <Icon name="layers" size="sm" color="#1890ff" style="margin-right: 4px; vertical-align: middle;" />
+                  子任务
+                </span>
                 <span v-if="isNewTask(task)" class="badge badge-new">
                   <Icon name="sparkles" size="sm" color="#31f08b" style="margin-right: 4px; vertical-align: middle;" />
                   新发布
@@ -1738,6 +1742,7 @@
           <div class="detail-section">
             <h3>{{ selectedTask.title }}</h3>
             <div class="detail-badges">
+              <span v-if="selectedTask.isSubTask" class="badge badge-subtask">子任务</span>
               <span v-if="isNewTask(selectedTask)" class="badge badge-new">新发布</span>
               <span v-if="isHighScoreTask(selectedTask)" class="badge badge-high-score">高分</span>
               <span v-if="selectedTask.isUrgent" class="badge badge-urgent">紧急</span>
@@ -1747,11 +1752,16 @@
           <div class="detail-section">
             <h4>基本信息</h4>
             <a-descriptions :column="2" bordered>
-              <a-descriptions-item label="任务编号">{{ selectedTask.taskNo }}</a-descriptions-item>
+              <a-descriptions-item label="任务编号">
+                {{ selectedTask.isSubTask ? selectedTask.subTaskNo : selectedTask.taskNo }}
+              </a-descriptions-item>
+              <a-descriptions-item v-if="selectedTask.isSubTask" label="所属主任务">
+                {{ selectedTask.taskNo || '--' }}
+              </a-descriptions-item>
               <a-descriptions-item label="任务类型">{{ getTaskTypeName(selectedTask.taskTypeId) }}</a-descriptions-item>
               <a-descriptions-item label="预估积分">{{ selectedTask.score }} 分</a-descriptions-item>
               <a-descriptions-item label="预估工时">{{ selectedTask.estimatedHours || '--' }} 小时</a-descriptions-item>
-              <a-descriptions-item label="数量">{{ selectedTask.quantity || '--' }} 个</a-descriptions-item>
+              <a-descriptions-item v-if="!selectedTask.isSubTask" label="数量">{{ selectedTask.quantity || '--' }} 个</a-descriptions-item>
               <a-descriptions-item label="截止时间">{{ formatDeadline(selectedTask.deadline) }}</a-descriptions-item>
             </a-descriptions>
           </div>
@@ -1865,16 +1875,24 @@
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted, onUnmounted, h } from 'vue'
 import { useRouter } from 'vue-router'
-import { message, Modal, InputNumber, Textarea, Input } from 'ant-design-vue'
+import { message, Modal, InputNumber, Textarea } from 'ant-design-vue'
 import DefaultLayout from '@/layouts/DefaultLayout.vue'
 import Icon from '@/components/Icon.vue'
 import * as taskApi from '@/api/task'
-import * as configApi from '@/api/config'
 import type { Task, TaskApprovalDTO } from '@/api/task'
-import type { DemandType, Brand, Platform, Category } from '@/api/config'
 import { useConfigStore } from '@/stores/config'
 import dayjs from 'dayjs'
 
+// 扩展Task类型以支持子任务字段
+interface TaskOrSubTask extends Task {
+  isSubTask?: boolean // 是否为子任务
+  itemId?: number // 子任务ID
+  subTaskNo?: string // 子任务编号
+  groupNo?: number // 子任务组号
+  taskDescription?: string // 主任务描述
+  submitTime?: string // 提交时间
+}
+
 const router = useRouter()
 
 // 全局配置store
@@ -1897,10 +1915,10 @@ const isDepartmentLeader = computed(() => {
 
 // 状态
 const loading = ref(false)
-const taskList = ref<Task[]>([])
+const taskList = ref<TaskOrSubTask[]>([])
 const total = ref(0)
 const detailDrawerVisible = ref(false)
-const selectedTask = ref<Task | null>(null)
+const selectedTask = ref<TaskOrSubTask | null>(null)
 
 // 已完成任务状态
 const completedLoading = ref(false)
@@ -2070,7 +2088,7 @@ const formatDeadline = (deadline: string | undefined) => {
  * @param task 任务对象
  * @returns 流程阶段文本
  */
-const getProcessStage = (task: Task): string => {
+const getProcessStage = (task: TaskOrSubTask): string => {
   // 1. 需求负责人审核阶段
   if (task.approvalStatus === 'pending_demand_approval' && task.currentApproverRole === 'demand_leader') {
     return `需求负责人：${task.currentApproverName || '未知'}审核`
@@ -2109,7 +2127,7 @@ const getProcessStage = (task: Task): string => {
 }
 
 // 判断是否为新发布任务（1小时内）
-const isNewTask = (task: Task) => {
+const isNewTask = (task: TaskOrSubTask) => {
   if (!task.createTime) return false
   const createTime = dayjs(task.createTime)
   const now = dayjs()
@@ -2117,7 +2135,7 @@ const isNewTask = (task: Task) => {
 }
 
 // 判断是否为高分任务（积分 >= 500）
-const isHighScoreTask = (task: Task) => {
+const isHighScoreTask = (task: TaskOrSubTask) => {
   return task.score && task.score >= 500
 }
 
@@ -2130,7 +2148,7 @@ const loadConfigs = async () => {
   }
 }
 
-// 加载任务列表
+// 加载任务列表（同时加载普通任务和子任务）
 const loadTasks = async () => {
   loading.value = true
   try {
@@ -2153,12 +2171,57 @@ const loadTasks = async () => {
     if (filters.timeRange) params.timeRange = filters.timeRange
     if (filters.sortBy) params.sortBy = filters.sortBy
 
-    const response = await taskApi.getTaskHall(params)
+    // 同时获取普通任务和子任务
+    const [taskResponse, itemResponse] = await Promise.all([
+      taskApi.getTaskHall(params),
+      taskApi.getAvailableTaskItems(params)
+    ])
 
-    if (response.code === 200) {
-      taskList.value = response.data.records || []
-      total.value = response.data.total || 0
+    let allTasks: any[] = []
+    let totalCount = 0
+
+    // 处理普通任务
+    if (taskResponse.code === 200) {
+      const tasks = (taskResponse.data.records || []).map((task: any) => ({
+        ...task,
+        isSubTask: false // 标记为普通任务
+      }))
+      allTasks = [...allTasks, ...tasks]
+      totalCount += taskResponse.data.total || 0
     }
+
+    // 处理子任务
+    if (itemResponse.code === 200) {
+      const items = (itemResponse.data.records || []).map((item: any) => ({
+        // 将子任务字段映射到任务字段
+        ...item,
+        id: item.id, // 保持子任务的ID
+        itemId: item.id, // 额外保存子任务ID
+        title: item.taskTitle || item.title, // 使用主任务标题
+        subTaskNo: item.itemNo, // 子任务编号
+        isSubTask: true, // 标记为子任务
+        taskId: item.taskId, // 保存主任务ID
+        // 保留子任务的其他字段
+        groupNo: item.groupNo,
+        taskTypeId: item.taskTypeId,
+        score: item.score,
+        estimatedHours: item.estimatedHours,
+        description: item.description || item.taskDescription
+      }))
+      allTasks = [...allTasks, ...items]
+      totalCount += itemResponse.data.total || 0
+    }
+
+    // 按创建时间排序
+    allTasks.sort((a, b) => {
+      const timeA = new Date(a.createTime || 0).getTime()
+      const timeB = new Date(b.createTime || 0).getTime()
+      return timeB - timeA // 降序
+    })
+
+    taskList.value = allTasks
+    total.value = totalCount
+
   } catch (error) {
     console.error('加载任务失败：', error)
     message.error('加载任务失败')
@@ -2845,24 +2908,37 @@ const handleViewTaskDetail = (task: Task) => {
 }
 
 // 任务点击
-const handleTaskClick = (task: Task) => {
+const handleTaskClick = (task: TaskOrSubTask) => {
   selectedTask.value = task
   detailDrawerVisible.value = true
 }
 
-// 抢单
-const handleGrab = async (task: Task) => {
+// 抢单（支持普通任务和子任务）
+const handleGrab = async (task: TaskOrSubTask) => {
+  const isSubTask = task.isSubTask
+  const taskType = isSubTask ? '子任务' : '任务'
+  const taskNo = isSubTask ? task.subTaskNo : task.taskNo
+  
   Modal.confirm({
-    title: '确认抢单',
-    content: `确定要抢单"${task.title}"吗？`,
+    title: `确认抢单${taskType}`,
+    content: `确定要抢单${taskType}"${task.title}"吗？${taskNo ? `（编号：${taskNo}）` : ''}`,
     okText: '确认',
     cancelText: '取消',
     onOk: async () => {
       try {
-        const response = await taskApi.grabTask(task.id!)
+        let response
+        if (isSubTask) {
+          // 抢子任务
+          response = await taskApi.grabTaskItem(task.itemId || task.id!)
+        } else {
+          // 抢普通任务
+          response = await taskApi.grabTask(task.id!)
+        }
+        
         if (response.code === 200) {
-          message.success('抢单成功！')
+          message.success(`${taskType}抢单成功！`)
           loadTasks() // 刷新列表
+          loadAllTabCounts() // 刷新所有Tab数量
         }
       } catch (error: any) {
         console.error('抢单失败：', error)
@@ -3382,6 +3458,12 @@ onUnmounted(() => {
   white-space: nowrap;
 }
 
+.badge-subtask {
+  background: rgba(24, 144, 255, 0.1);
+  border: 1px solid rgba(24, 144, 255, 0.3);
+  color: #1890ff;
+}
+
 .badge-new {
   background: rgba($color-success, 0.1);
   border: 1px solid rgba($color-success, 0.3);