diff --git a/backend/app/api/v1/endpoints/tasks.py b/backend/app/api/v1/endpoints/tasks.py
index 6ffe78e..c98627d 100644
--- a/backend/app/api/v1/endpoints/tasks.py
+++ b/backend/app/api/v1/endpoints/tasks.py
@@ -1,7 +1,7 @@
 """任务 API 端点 — 核心业务：接收、驳回返工、裂变转交、无限嵌套子任务"""
 from __future__ import annotations
 import uuid
-from fastapi import APIRouter, Depends, Query
+from fastapi import APIRouter, Depends, Query, Body
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.database import get_db
@@ -110,16 +110,17 @@ async def complete_task_endpoint(
 async def receive_task_endpoint(
     task_id: str,
     operator_id: str | None = Query(None, description="操作人ID"),
+    remark: str | None = Body(None, description="接收备注", embed=True),
     db: AsyncSession = Depends(get_db),
 ):
     """
     **确认接收任务。**
 
     校验：只有状态为 PENDING 的任务可接收。
-    动作：将状态改为 WIP，记录 received_at 为当前时间。
+    动作：将状态改为 WIP，记录 received_at 为当前时间，写入 remark。
     """
     return await task_service.receive_task(
-        db, uuid.UUID(task_id), operator_id
+        db, uuid.UUID(task_id), operator_id, remark
     )
 
 
diff --git a/backend/app/services/task_service.py b/backend/app/services/task_service.py
index 1876611..63a612a 100644
--- a/backend/app/services/task_service.py
+++ b/backend/app/services/task_service.py
@@ -227,13 +227,14 @@ async def get_all_tasks(
 # ============================================================
 
 async def receive_task(
-    db: AsyncSession, task_id: uuid.UUID, operator_id: str | None = None
+    db: AsyncSession, task_id: uuid.UUID, operator_id: str | None = None,
+    remark: str | None = None,
 ) -> TaskResponse:
     """
     操作员确认接收任务。
 
     校验：只有状态为 PENDING 的任务可接收。
-    动作：状态改为 WIP，记录 received_at 为当前时间。
+    动作：状态改为 WIP，记录 received_at，写入 remark。
     """
     task = await _get_task_or_404(db, task_id)
 
@@ -247,12 +248,14 @@ async def receive_task(
     now = get_beijing_time()
     task.status = TASK_STATUS_WIP
     task.received_at = now
+    if remark:
+        task.remark = remark
 
     await _create_task_log(
         db, task_id,
         action_type="receive",
         operator_id=operator_id,
-        remark=f"操作员确认接收任务「{task.task_name}」",
+        remark=remark or f"操作员确认接收任务「{task.task_name}」",
     )
 
     await db.commit()
diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 70dceb8..164e6fb 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -224,6 +224,7 @@
           <text class="popup-title">确认接收任务</text>
           <view class="popup-task">{{ actionPopup.task && actionPopup.task.task_name }}</view>
           <text class="popup-hint">状态: {{ statusLabel(actionPopup.task && actionPopup.task.status) }} → 进行中</text>
+          <textarea v-model="receiveRemark" class="popup-textarea" placeholder="接收备注（选填）" :maxlength="500" />
           <view class="popup-btns">
             <button class="btn-cancel" @tap="closeActionPopup">取消</button>
             <button class="btn-primary" :disabled="actionLoading" @tap="doReceive">确认接收</button>
@@ -357,6 +358,7 @@ export default {
       actionPopup: { visible: false, type: "", task: null },
       actionLoading: false,
       rejectReason: "",
+      receiveRemark: "",
       transferForm: { branches: [{ task_name: "", assignee_id: "" }], note: "" },
     };
   },
@@ -682,6 +684,7 @@ export default {
 
       this.actionPopup = { visible: true, type, task };
       this.rejectReason = "";
+      this.receiveRemark = "";
       this.transferForm = { branches: [{ task_name: "", assignee_id: "" }], note: "" };
     },
     handleViewRecords(task) {
@@ -692,7 +695,8 @@ export default {
     async doReceive() {
       this.actionLoading = true;
       try {
-        await post(`/tasks/${this.actionPopup.task.id}/receive`);
+        const remark = this.receiveRemark.trim() || undefined;
+        await post(`/tasks/${this.actionPopup.task.id}/receive`, { remark });
         uni.showToast({ title: "已接收", icon: "success" });
         this.closeActionPopup();
         this.doQuery(this.product.serial_number);