diff --git a/backend/app/api/v1/endpoints/tasks.py b/backend/app/api/v1/endpoints/tasks.py
index cd0c78a..a07510d 100644
--- a/backend/app/api/v1/endpoints/tasks.py
+++ b/backend/app/api/v1/endpoints/tasks.py
@@ -308,4 +308,4 @@ async def add_task_record_endpoint(
     current_user: dict = Depends(get_current_user),
 ):
     """追加进度记录（备注+图片），不改变任务状态"""
-    return await task_service.add_task_record(db, uuid.UUID(task_id), data)
+    return await task_service.add_task_record(db, uuid.UUID(task_id), data, current_user)
diff --git a/backend/app/models/notification.py b/backend/app/models/notification.py
index 4ae76f5..aab12d4 100644
--- a/backend/app/models/notification.py
+++ b/backend/app/models/notification.py
@@ -11,6 +11,7 @@ from app.core.time_utils import get_beijing_time
 # 通知类型常量
 NOTIFY_TRANSFER = "TRANSFER"   # 新任务派发/转交
 NOTIFY_REJECT = "REJECT"       # 品质驳回
+NOTIFY_COMMENT = "COMMENT"     # 留言提醒
 
 
 class Notification(Base):
diff --git a/backend/app/services/task_service.py b/backend/app/services/task_service.py
index b866038..91803ff 100644
--- a/backend/app/services/task_service.py
+++ b/backend/app/services/task_service.py
@@ -1042,7 +1042,8 @@ async def create_subtask(
 # ============================================================
 
 async def add_task_record(
-    db: AsyncSession, task_id: uuid.UUID, data: TaskRecordCreate
+    db: AsyncSession, task_id: uuid.UUID, data: TaskRecordCreate,
+    current_user: dict | None = None,
 ) -> TaskResponse:
     """追加进度记录（备注+图片），不改变任务状态"""
     import json
@@ -1055,6 +1056,32 @@ async def add_task_record(
         images=json.dumps(data.images) if data.images else None,
     )
     db.add(record)
+    await db.flush()
+
+    # 🚀 留言通知：给任务当前负责人发送提醒（不给自己发）
+    if (
+        current_user
+        and task.assignee_id
+        and task.assignee_id != current_user.get("username", "")
+        and data.remark
+    ):
+        # 截取留言内容前 30 字作为摘要
+        remark_text = data.remark.strip()
+        short_content = remark_text[:30] + ("..." if len(remark_text) > 30 else "")
+        # 查询产品条码
+        product_result = await db.execute(
+            select(Product).where(Product.id == task.product_id)
+        )
+        product = product_result.scalar_one_or_none()
+        product_sn = product.serial_number if product else "未知"
+        db.add(Notification(
+            user_id=task.assignee_id,
+            title="💬 收到新留言",
+            content=f"产品 [{product_sn}] 的「{task.task_name}」有新留言：{short_content}",
+            type="COMMENT",
+            task_id=task.id,
+        ))
+
     await db.commit()
     await db.refresh(record)
 
diff --git a/track-uniapp/src/pages/notify/index.vue b/track-uniapp/src/pages/notify/index.vue
index a117ab9..9092b8e 100644
--- a/track-uniapp/src/pages/notify/index.vue
+++ b/track-uniapp/src/pages/notify/index.vue
@@ -51,6 +51,7 @@ import { getNotifications, markNotificationRead } from "../../api/notification";
 const TYPE_CONFIG = {
   TRANSFER: { icon: "🟢", title: "新任务派发" },
   REJECT: { icon: "🔴", title: "品质驳回提醒" },
+  COMMENT: { icon: "💬", title: "收到新留言" },
 };
 
 const notifications = ref([]);