diff --git a/frontend/src/features/tasks/TaskFiltersPanel.vue b/frontend/src/features/tasks/TaskFiltersPanel.vue
index d807906..ebe924f 100644
--- a/frontend/src/features/tasks/TaskFiltersPanel.vue
+++ b/frontend/src/features/tasks/TaskFiltersPanel.vue
@@ -6,8 +6,6 @@ const taskStore = useTaskStore()
 <template>
   <div class="sidebar-panel filters">
     <div class="field"><label>状态</label><select v-model="taskStore.filterStatus" class="select"><option value="all">全部</option><option value="todo">待办</option><option value="in_progress">进行中</option><option value="done">已完成</option><option value="cancelled">已取消</option></select></div>
-    <div class="field"><label>优先级</label><select v-model="taskStore.filterPriority" class="select"><option value="all">全部</option><option value="high">高</option><option value="medium">中</option><option value="low">低</option></select></div>
-    <div class="field"><label>来源</label><select v-model="taskStore.filterSource" class="select"><option value="all">全部</option><option value="user">用户</option><option value="note">笔记</option><option value="agent">Agent</option></select></div>
     <div class="task-counts"><p><span>待办</span><strong>{{ taskStore.todoTasks.length }}</strong></p><p><span>进行中</span><strong>{{ taskStore.inProgressTasks.length }}</strong></p><p><span>已完成</span><strong>{{ taskStore.doneTasks.length }}</strong></p></div>
   </div>
 </template>
diff --git a/frontend/src/features/tasks/TasksView.vue b/frontend/src/features/tasks/TasksView.vue
index 8016655..bbbf41b 100644
--- a/frontend/src/features/tasks/TasksView.vue
+++ b/frontend/src/features/tasks/TasksView.vue
@@ -7,17 +7,17 @@ const taskStore = useTaskStore()
 const showForm = ref(false)
 const editingId = ref<string | null>(null)
 const actionError = ref('')
-const form = reactive({ title: '', description: '', priority: 'medium' as TaskItem['priority'], due_date: '', note_id: '' })
+const form = reactive({ title: '', description: '', due_date: '', note_id: '' })
 
 onMounted(() => { void taskStore.loadTasks() })
 
-function resetForm() { editingId.value = null; form.title = ''; form.description = ''; form.priority = 'medium'; form.due_date = ''; form.note_id = '' }
-function editTask(task: TaskItem) { editingId.value = task.task_id; Object.assign(form, { title: task.title, description: task.description ?? '', priority: task.priority, due_date: task.due_date?.slice(0, 16) ?? '', note_id: task.note_id ?? '' }); showForm.value = true }
+function resetForm() { editingId.value = null; form.title = ''; form.description = ''; form.due_date = ''; form.note_id = '' }
+function editTask(task: TaskItem) { editingId.value = task.task_id; Object.assign(form, { title: task.title, description: task.description ?? '', due_date: task.due_date?.slice(0, 16) ?? '', note_id: task.note_id ?? '' }); showForm.value = true }
 
 async function saveTask() {
   actionError.value = ''
   try {
-    if (editingId.value) await taskStore.updateTask(editingId.value, { ...form, due_date: form.due_date || undefined })
+    if (editingId.value) await taskStore.updateTask(editingId.value, { ...form, due_date: form.due_date || undefined, note_id: form.note_id || null })
     else await taskStore.createTask({ ...form, due_date: form.due_date || undefined, note_id: form.note_id || undefined })
     showForm.value = false; resetForm()
   } catch (error) { actionError.value = error instanceof Error ? error.message : '任务保存失败' }
@@ -40,12 +40,12 @@ async function remove(task: TaskItem) {
     <div v-if="taskStore.filteredTasks.length" class="task-list">
       <article v-for="task in taskStore.filteredTasks" :key="task.task_id" class="item-card task-card">
         <button class="status-check" :class="{ done: task.status === 'done' }" title="切换完成状态" @click="setStatus(task, task.status === 'done' ? 'todo' : 'done')">{{ task.status === 'done' ? '✓' : '' }}</button>
-        <div class="task-content"><div class="task-title"><strong :class="{ completed: task.status === 'done' }">{{ task.title }}</strong><span class="badge" :class="{ error: task.priority === 'high', warning: task.priority === 'medium' }">{{ task.priority }}</span><span class="badge info">{{ task.source }}</span></div><p v-if="task.description" class="muted">{{ task.description }}</p><div class="subtle"><span>{{ task.status }}</span><span v-if="task.due_date">截止 {{ new Date(task.due_date).toLocaleString() }}</span><span v-if="task.note_title">关联：{{ task.note_title }}</span></div></div>
+        <div class="task-content"><div class="task-title"><strong :class="{ completed: task.status === 'done' }">{{ task.title }}</strong></div><p v-if="task.description" class="muted">{{ task.description }}</p><div class="subtle"><span>{{ task.status }}</span><span v-if="task.due_date">截止 {{ new Date(task.due_date).toLocaleString() }}</span><span v-if="task.note_id">关联 Note：{{ task.note_id }}</span></div></div>
         <div class="inline-actions"><button class="icon-button" @click="editTask(task)">编辑</button><button class="button-danger" @click="remove(task)">删除</button></div>
       </article>
     </div>
     <div v-else class="empty-state"><div><strong>{{ taskStore.isLoading ? '正在加载任务…' : '没有符合条件的任务' }}</strong><p>创建一项任务，或调整左侧筛选条件。</p></div></div>
-    <div v-if="showForm" class="modal-backdrop" @click.self="showForm = false"><div class="modal"><h2>{{ editingId ? '编辑任务' : '新建任务' }}</h2><form @submit.prevent="saveTask"><div class="field"><label>标题</label><input v-model="form.title" class="input" required /></div><div class="field"><label>描述</label><textarea v-model="form.description" class="textarea" /></div><div class="form-grid"><div class="field"><label>优先级</label><select v-model="form.priority" class="select"><option value="high">高</option><option value="medium">中</option><option value="low">低</option></select></div><div class="field"><label>截止时间</label><input v-model="form.due_date" class="input" type="datetime-local" /></div></div><div class="field"><label>关联 Note ID</label><input v-model="form.note_id" class="input" /></div><div class="inline-actions"><button class="button-primary">保存</button><button type="button" class="button-secondary" @click="showForm = false">取消</button></div></form></div></div>
+    <div v-if="showForm" class="modal-backdrop" @click.self="showForm = false"><div class="modal"><h2>{{ editingId ? '编辑任务' : '新建任务' }}</h2><form @submit.prevent="saveTask"><div class="field"><label>标题</label><input v-model="form.title" class="input" required /></div><div class="field"><label>描述</label><textarea v-model="form.description" class="textarea" /></div><div class="field"><label>截止时间</label><input v-model="form.due_date" class="input" type="datetime-local" /></div><div class="field"><label>关联 Note ID</label><input v-model="form.note_id" class="input" /></div><div class="inline-actions"><button class="button-primary">保存</button><button type="button" class="button-secondary" @click="showForm = false">取消</button></div></form></div></div>
   </section>
 </template>
 
diff --git a/frontend/src/services/taskService.ts b/frontend/src/services/taskService.ts
index 9acda98..53cc31a 100644
--- a/frontend/src/services/taskService.ts
+++ b/frontend/src/services/taskService.ts
@@ -46,13 +46,14 @@ export async function createTask(data: {
 
 export async function updateTask(
   taskId: string,
-  data: Partial<Pick<TaskItem, 'title' | 'description' | 'status' | 'priority' | 'due_date'>>
+  data: Partial<Pick<TaskItem, 'title' | 'description' | 'status' | 'due_date'>> & { note_id?: string | null }
 ): Promise<TaskItem> {
   return toTask(await apiClient.patch<ApiTask>(`/api/tasks/${taskId}`, {
     title: data.title,
     description: data.description,
     status: data.status,
     due_at: data.due_date,
+    note_id: data.note_id,
   }))
 }
 
diff --git a/frontend/src/stores/task.ts b/frontend/src/stores/task.ts
index a640dcd..8a36250 100644
--- a/frontend/src/stores/task.ts
+++ b/frontend/src/stores/task.ts
@@ -39,12 +39,11 @@ export const useTaskStore = defineStore('task', () => {
 
   async function createTask(data: { title: string; description?: string; priority?: TaskPriority; due_date?: string; note_id?: string }) {
     const newTask = await createTaskRequest(data)
-    newTask.priority = data.priority || 'medium'
     tasks.value.unshift(newTask)
     return newTask
   }
 
-  async function updateTask(taskId: string, data: Partial<Pick<TaskItem, 'title' | 'description' | 'status' | 'priority' | 'due_date'>>) {
+  async function updateTask(taskId: string, data: Partial<Pick<TaskItem, 'title' | 'description' | 'status' | 'due_date'>> & { note_id?: string | null }) {
     const task = tasks.value.find((t) => t.task_id === taskId)
     if (task) {
       const updated = await updateTaskRequest(taskId, data)