diff --git a/apps/senlinai-acro-react/src/api/mappers.tsx b/apps/senlinai-acro-react/src/api/mappers.tsx
index a1e0135..564bea8 100644
--- a/apps/senlinai-acro-react/src/api/mappers.tsx
+++ b/apps/senlinai-acro-react/src/api/mappers.tsx
@@ -147,7 +147,7 @@ function mapTask(task: BackendTask): TaskItem {
     createdAt: formatCreatedAt(task.createdAt),
     completedAt: task.completedAt ? formatCreatedAt(task.completedAt) : '',
     duration: task.duration || '',
-    tag: task.tag || (task.completed ? '已完成' : '进行中'),
+    tag: task.tag || '',
     summary: task.summary,
     completed: task.completed,
   }
diff --git a/apps/senlinai-acro-react/src/pages/projects/project-channel-page.tsx b/apps/senlinai-acro-react/src/pages/projects/project-channel-page.tsx
index 4b6f523..2e1b313 100644
--- a/apps/senlinai-acro-react/src/pages/projects/project-channel-page.tsx
+++ b/apps/senlinai-acro-react/src/pages/projects/project-channel-page.tsx
@@ -3,6 +3,7 @@ import { ProjectCron } from './project-cron'
 import { ProjectNewChannel } from './project-new-channel'
 import { ProjectNotes } from './project-notes'
 import { ProjectOverview } from './project-overview'
+import type { ProjectTaskUpdate } from './project-task-edit-modal'
 import { ProjectTasks } from './project-tasks'
 import type { ChannelKey, ProjectWorkspace } from './project-types'
 
@@ -17,6 +18,7 @@ export function ProjectChannelPage({
   onUploadSource,
   onCreateCronPlan,
   onCreateProjectTag,
+  onUpdateTask,
 }: {
   activeChannel: ChannelKey
   activeWorkspace: ProjectWorkspace
@@ -28,10 +30,11 @@ export function ProjectChannelPage({
   onUploadSource: () => void
   onCreateCronPlan: () => void
   onCreateProjectTag: (name: string) => void
+  onUpdateTask: (update: ProjectTaskUpdate) => void
 }) {
   switch (activeChannel) {
     case 'tasks':
-      return <ProjectTasks activeWorkspace={activeWorkspace} activeTaskID={activeTaskID} onOpenTask={onOpenTask} onCloseTask={onCloseTask} onSelectItem={onSelectItem} onCreateTask={onCreateTask} onCreateProjectTag={onCreateProjectTag} />
+      return <ProjectTasks activeWorkspace={activeWorkspace} activeTaskID={activeTaskID} onOpenTask={onOpenTask} onCloseTask={onCloseTask} onSelectItem={onSelectItem} onCreateTask={onCreateTask} onCreateProjectTag={onCreateProjectTag} onUpdateTask={onUpdateTask} />
     case 'ai':
       return <ProjectAi activeWorkspace={activeWorkspace} onSelectItem={onSelectItem} />
     case 'notes':
@@ -42,6 +45,6 @@ export function ProjectChannelPage({
       return <ProjectNewChannel activeWorkspace={activeWorkspace} />
     case 'overview':
     default:
-      return <ProjectOverview activeWorkspace={activeWorkspace} onSelectItem={onSelectItem} />
+      return <ProjectOverview activeWorkspace={activeWorkspace} onSelectItem={onSelectItem} onUpdateTask={onUpdateTask} />
   }
 }
diff --git a/apps/senlinai-acro-react/src/pages/projects/project-overview.tsx b/apps/senlinai-acro-react/src/pages/projects/project-overview.tsx
index 6a55c3d..b39f5a9 100644
--- a/apps/senlinai-acro-react/src/pages/projects/project-overview.tsx
+++ b/apps/senlinai-acro-react/src/pages/projects/project-overview.tsx
@@ -1,16 +1,26 @@
-import { useMemo } from 'react'
+import { useMemo, useState } from 'react'
 import { Button, Card, Grid, Space, Tag, Typography } from '@arco-design/web-react'
 import { IconCheckCircleFill, IconClockCircle, IconFile, IconLink } from '@arco-design/web-react/icon'
 import { ProjectFileGrid } from './project-file-grid'
+import { ProjectTaskEditModal, type ProjectTaskUpdate } from './project-task-edit-modal'
 import type { ProjectWorkspace, TaskItem } from './project-types'
 
 const { Row, Col } = Grid
 const { Title, Text, Paragraph } = Typography
 
-export function ProjectOverview({ activeWorkspace, onSelectItem }: { activeWorkspace: ProjectWorkspace; onSelectItem: (title: string) => void }) {
+export function ProjectOverview({
+  activeWorkspace,
+  onSelectItem,
+  onUpdateTask,
+}: {
+  activeWorkspace: ProjectWorkspace
+  onSelectItem: (title: string) => void
+  onUpdateTask: (update: ProjectTaskUpdate) => void
+}) {
   const { project, tasks, notes, cronJobs } = activeWorkspace
   const runningTasks = useMemo(() => tasks.filter((task) => !task.completed), [tasks])
   const completedTasks = useMemo(() => tasks.filter((task) => task.completed), [tasks])
+  const [editingTask, setEditingTask] = useState<TaskItem | null>(null)
   const shareURL = useMemo(() => projectShareURL(project.identifier || project.id), [project.id, project.identifier])
   const metrics = useMemo(() => [
     { title: '进行中的任务', value: runningTasks.length, icon: <IconCheckCircleFill />, color: 'green' },
@@ -52,14 +62,35 @@ export function ProjectOverview({ activeWorkspace, onSelectItem }: { activeWorks
         ))}
       </Row>
 
-      <TaskCardSection title={`进行中的任务（${runningTasks.length}）`} tasks={runningTasks} emptyText="当前没有进行中的任务" onSelectItem={onSelectItem} />
+      <TaskCardSection title={`进行中的任务（${runningTasks.length}）`} tasks={runningTasks} emptyText="当前没有进行中的任务" onEditTask={setEditingTask} />
       <TaskCardSection title={`完成的任务（${completedTasks.length}）`} tasks={completedTasks} emptyText="当前没有完成的任务" onSelectItem={onSelectItem} />
       <NoteSection notes={notes} onSelectItem={onSelectItem} />
+      <ProjectTaskEditModal
+        task={editingTask}
+        workspace={activeWorkspace}
+        onClose={() => setEditingTask(null)}
+        onSubmit={(update) => {
+          onUpdateTask(update)
+          setEditingTask(null)
+        }}
+      />
     </div>
   )
 }
 
-function TaskCardSection({ title, tasks, emptyText, onSelectItem }: { title: string; tasks: TaskItem[]; emptyText: string; onSelectItem: (title: string) => void }) {
+function TaskCardSection({
+  title,
+  tasks,
+  emptyText,
+  onSelectItem,
+  onEditTask,
+}: {
+  title: string
+  tasks: TaskItem[]
+  emptyText: string
+  onSelectItem?: (title: string) => void
+  onEditTask?: (task: TaskItem) => void
+}) {
   return (
     <Card className="queue-section overview-task-section" bordered>
       <div className="section-header">
@@ -71,7 +102,7 @@ function TaskCardSection({ title, tasks, emptyText, onSelectItem }: { title: str
       ) : (
         <div className="overview-task-grid">
           {tasks.map((task) => (
-            <button key={task.id} className={task.completed ? 'overview-task-card completed' : 'overview-task-card'} onClick={() => onSelectItem(task.title)}>
+            <button key={task.id} className={task.completed ? 'overview-task-card completed' : 'overview-task-card'} onClick={() => onEditTask ? onEditTask(task) : onSelectItem?.(task.title)}>
               <span className="overview-task-title">
                 <IconCheckCircleFill />
                 {task.title}
diff --git a/apps/senlinai-acro-react/src/pages/projects/project-task-edit-modal.tsx b/apps/senlinai-acro-react/src/pages/projects/project-task-edit-modal.tsx
new file mode 100644
index 0000000..acda1f6
--- /dev/null
+++ b/apps/senlinai-acro-react/src/pages/projects/project-task-edit-modal.tsx
@@ -0,0 +1,93 @@
+import { Input, Modal, Select, Space, Switch, Typography } from '@arco-design/web-react'
+import { useEffect, useMemo, useState } from 'react'
+import type { ProjectWorkspace, TaskItem } from './project-types'
+
+const { Text } = Typography
+const { TextArea } = Input
+
+export type ProjectTaskUpdate = {
+  taskId: string
+  title: string
+  summary: string
+  tag: string
+  completed: boolean
+}
+
+type TaskDraft = {
+  title: string
+  summary: string
+  tag: string
+  completed: boolean
+}
+
+export function ProjectTaskEditModal({
+  task,
+  workspace,
+  onClose,
+  onSubmit,
+}: {
+  task: TaskItem | null
+  workspace: ProjectWorkspace
+  onClose: () => void
+  onSubmit: (update: ProjectTaskUpdate) => void
+}) {
+  const tagOptions = useMemo(() => workspace.tags.filter((tag) => tag !== 'all' && tag !== '全部'), [workspace.tags])
+  const [draft, setDraft] = useState<TaskDraft>({ title: '', summary: '', tag: '', completed: false })
+
+  useEffect(() => {
+    if (!task) return
+    setDraft({
+      title: task.title,
+      summary: task.summary,
+      tag: task.tag,
+      completed: task.completed,
+    })
+  }, [task])
+
+  return (
+    <Modal
+      className="action-modal"
+      title="编辑计划"
+      visible={Boolean(task)}
+      onCancel={onClose}
+      onOk={() => {
+        if (!task) return
+        onSubmit({
+          taskId: task.id,
+          title: draft.title.trim() || task.title,
+          summary: draft.summary.trim(),
+          tag: draft.tag.trim(),
+          completed: draft.completed,
+        })
+      }}
+    >
+      <Space direction="vertical" size={12} className="action-form">
+        <label>
+          <Text>标题</Text>
+          <Input value={draft.title} onChange={(title) => setDraft((value) => ({ ...value, title }))} />
+        </label>
+        <label>
+          <Text>正文</Text>
+          <TextArea rows={4} value={draft.summary} onChange={(summary) => setDraft((value) => ({ ...value, summary }))} />
+        </label>
+        <label>
+          <Text>标签</Text>
+          <Select
+            allowClear
+            value={draft.tag || undefined}
+            placeholder="不设置标签"
+            onChange={(tag) => setDraft((value) => ({ ...value, tag: tag ?? '' }))}
+          >
+            {tagOptions.map((tag) => (
+              <Select.Option key={tag} value={tag}>{tag}</Select.Option>
+            ))}
+          </Select>
+        </label>
+        <label className="action-switch">
+          <Text>完成状态</Text>
+          <Switch checked={draft.completed} checkedText="完成" uncheckedText="未完成" onChange={(completed) => setDraft((value) => ({ ...value, completed }))} />
+        </label>
+      </Space>
+    </Modal>
+  )
+}
diff --git a/apps/senlinai-acro-react/src/pages/projects/project-tasks.tsx b/apps/senlinai-acro-react/src/pages/projects/project-tasks.tsx
index 671e8cd..e5bcbcb 100644
--- a/apps/senlinai-acro-react/src/pages/projects/project-tasks.tsx
+++ b/apps/senlinai-acro-react/src/pages/projects/project-tasks.tsx
@@ -1,6 +1,7 @@
 import { useState } from 'react'
 import { Button, Card, Descriptions, Input, Modal, Progress, Space, Tag, Typography } from '@arco-design/web-react'
 import { IconArrowLeft, IconCalendar, IconCheckCircle, IconCheckCircleFill, IconClockCircle, IconPlus } from '@arco-design/web-react/icon'
+import { ProjectTaskEditModal, type ProjectTaskUpdate } from './project-task-edit-modal'
 import type { ProjectWorkspace, TaskItem } from './project-types'
 
 const { Title, Text, Paragraph } = Typography
@@ -12,6 +13,7 @@ export function ProjectTasks({
   onCloseTask,
   onCreateTask,
   onCreateProjectTag,
+  onUpdateTask,
 }: {
   activeWorkspace: ProjectWorkspace
   activeTaskID: string | null
@@ -20,6 +22,7 @@ export function ProjectTasks({
   onSelectItem: (title: string) => void
   onCreateTask: () => void
   onCreateProjectTag: (name: string) => void
+  onUpdateTask: (update: ProjectTaskUpdate) => void
 }) {
   const { tasks, project, tags } = activeWorkspace
   const activeTask = tasks.find((task) => task.id === activeTaskID)
@@ -28,6 +31,7 @@ export function ProjectTasks({
   const projectTags = tags.filter((tag) => tag !== 'all' && tag !== '全部')
   const [tagModalOpen, setTagModalOpen] = useState(false)
   const [tagName, setTagName] = useState('')
+  const [editingTask, setEditingTask] = useState<TaskItem | null>(null)
 
   if (activeTask) {
     return <TaskDetail activeWorkspace={activeWorkspace} task={activeTask} onBack={onCloseTask} />
@@ -71,7 +75,7 @@ export function ProjectTasks({
         </div>
         <div className="task-plan-card-grid">
           {pendingTasks.map((task) => (
-            <button className="task-plan-card" key={task.id} onClick={() => onOpenTask(task.id)}>
+            <button className="task-plan-card" key={task.id} onClick={() => setEditingTask(task)}>
               <span className="task-plan-title"><IconCheckCircleFill />{task.title}</span>
               <Paragraph ellipsis={{ rows: 2 }} type="secondary">{task.summary || '暂无正文'}</Paragraph>
               <div className="task-plan-meta">
@@ -120,6 +124,15 @@ export function ProjectTasks({
           </label>
         </Space>
       </Modal>
+      <ProjectTaskEditModal
+        task={editingTask}
+        workspace={activeWorkspace}
+        onClose={() => setEditingTask(null)}
+        onSubmit={(update) => {
+          onUpdateTask(update)
+          setEditingTask(null)
+        }}
+      />
     </div>
   )
 }
diff --git a/apps/senlinai-acro-react/src/pages/workspace-body.tsx b/apps/senlinai-acro-react/src/pages/workspace-body.tsx
index 7f635b1..0338895 100644
--- a/apps/senlinai-acro-react/src/pages/workspace-body.tsx
+++ b/apps/senlinai-acro-react/src/pages/workspace-body.tsx
@@ -44,6 +44,7 @@ export function WorkspacePage({
   onUpdateTask: (update: WorkspaceTaskUpdate) => void
 }) {
   const projects = workspaces.map((workspace) => workspace.project)
+  const projectOptions = useMemo(() => workspaces.map((workspace) => workspace.project), [workspaces])
   const unfinishedTasks: WorkspaceTask[] = workspaces.flatMap((workspace) =>
     workspace.tasks
       .filter((task) => !task.completed)
@@ -78,7 +79,7 @@ export function WorkspacePage({
   const urgentProjects = projects.filter((project) => project.urgent).length
   const workspaceMetrics = [
     { title: '项目总数', value: projects.length, delta: `${urgentProjects} 个高优先级`, icon: <IconDashboard />, color: 'arcoblue' },
-    { title: '未完成任务', value: unfinishedTasks.length, delta: '跨项目聚合', icon: <IconCheckCircleFill />, color: 'green' },
+    { title: '未完成计划', value: unfinishedTasks.length, delta: '跨项目聚合', icon: <IconCheckCircleFill />, color: 'green' },
     { title: 'AI 会话', value: aiSessions.length, delta: '项目内上下文', icon: <IconRobot />, color: 'purple' },
     { title: '知识资料', value: notes.length, delta: '笔记与资料合计', icon: <IconFile />, color: 'cyan' },
   ]
@@ -111,7 +112,7 @@ export function WorkspacePage({
 
       <Card className="queue-section" bordered>
         <div className="section-header">
-          <Title heading={6}>未完成的任务</Title>
+          <Title heading={6}>未完成的计划</Title>
           <Tag color="arcoblue">{unfinishedTasks.length}</Tag>
         </div>
         {unfinishedTasks.length ? (
@@ -129,14 +130,14 @@ export function WorkspacePage({
                 </div>
                 <div className="workspace-task-meta">
                   <Tag color={task.project.urgent ? 'red' : 'arcoblue'}>{task.project.name}</Tag>
+                  <Tag color="green">{task.tag || '-'}</Tag>
                   <span><IconCalendar /> {task.createdAt}</span>
-                  <Tag color="green">{task.tag}</Tag>
                 </div>
               </button>
             ))}
           </div>
         ) : (
-          <Empty description="暂无未完成任务" />
+          <Empty description="暂无未完成计划" />
         )}
       </Card>
 
@@ -170,8 +171,13 @@ export function WorkspacePage({
           </label>
           <label>
             <Text>所属项目</Text>
-            <Select value={draft.projectId} onChange={(projectId) => setDraft((value) => ({ ...value, projectId }))}>
-              {projects.map((project) => (
+            <Select
+              showSearch
+              value={draft.projectId}
+              placeholder="选择项目"
+              onChange={(projectId) => setDraft((value) => ({ ...value, projectId }))}
+            >
+              {projectOptions.map((project) => (
                 <Select.Option key={project.id} value={project.id}>{project.name}</Select.Option>
               ))}
             </Select>
diff --git a/apps/senlinai-acro-react/src/pages/workspace-home.tsx b/apps/senlinai-acro-react/src/pages/workspace-home.tsx
index 2734875..ff05f3b 100644
--- a/apps/senlinai-acro-react/src/pages/workspace-home.tsx
+++ b/apps/senlinai-acro-react/src/pages/workspace-home.tsx
@@ -2,6 +2,7 @@ import { Layout } from '@arco-design/web-react'
 import { WorkspacePage, type WorkspaceTaskUpdate } from './workspace-body'
 import { WorkspaceExplorePage } from './workspace-explore'
 import { ProjectChannelPage } from './projects/project-channel-page'
+import type { ProjectTaskUpdate } from './projects/project-task-edit-modal'
 import { ProjectRail } from './projects/project-rail'
 import { ProjectSidebar, type ProjectSettingsUpdate } from './projects/project-sidebar'
 import { ProjectStatusbar } from './projects/project-statusbar'
@@ -57,6 +58,17 @@ export function ProjectPage({
 }) {
   const isProject = activeView === 'project'
   const projects = workspaces.map((workspace) => workspace.project)
+  const updateActiveProjectTask = (update: ProjectTaskUpdate) => {
+    onUpdateWorkspaceTask({
+      originalProjectId: activeWorkspace.project.id,
+      nextProjectId: activeWorkspace.project.id,
+      taskId: update.taskId,
+      title: update.title,
+      summary: update.summary,
+      tag: update.tag,
+      completed: update.completed,
+    })
+  }
 
   return (
     <Layout className="workbench-shell">
@@ -101,6 +113,7 @@ export function ProjectPage({
               onUploadSource={onUploadSource}
               onCreateCronPlan={onCreateCronPlan}
               onCreateProjectTag={onCreateProjectTag}
+              onUpdateTask={updateActiveProjectTask}
             />
           )}
         </Content>