diff --git a/backend/app/schemas/task.py b/backend/app/schemas/task.py
index a0e11c8..62d7ba1 100644
--- a/backend/app/schemas/task.py
+++ b/backend/app/schemas/task.py
@@ -123,6 +123,7 @@ class TaskResponse(BaseModel):
     status: str
     notify_parent_on_complete: bool
     is_rework: bool = False
+    remark: str | None = None
     reject_reason: str | None = None
     received_at: datetime | None = None
     completed_at: datetime | None = None
diff --git a/track-uniapp/src/pages/scan/components/TaskTreeNode.vue b/track-uniapp/src/pages/scan/components/TaskTreeNode.vue
index a8df9eb..f66dc3d 100644
--- a/track-uniapp/src/pages/scan/components/TaskTreeNode.vue
+++ b/track-uniapp/src/pages/scan/components/TaskTreeNode.vue
@@ -51,23 +51,23 @@
         <text class="records-bar-arrow">›</text>
       </view>
       <!-- 最新一条预览 -->
-      <view class="record-item">
+      <view v-if="latestRecord" class="record-item">
         <view class="record-top">
-          <text class="record-time">{{ formatTime(task.records[0].created_at) }}</text>
+          <text class="record-time">{{ formatTime(latestRecord.created_at) }}</text>
           <view v-if="canEditRecord" class="record-actions">
-            <text class="rec-act" @tap.stop="$emit('editRecord', { task, record: task.records[0] })">✏️</text>
-            <text class="rec-act" @tap.stop="confirmDelete(task.records[0])">🗑️</text>
+            <text class="rec-act" @tap.stop="$emit('editRecord', { task, record: latestRecord })">✏️</text>
+            <text class="rec-act" @tap.stop="confirmDelete(latestRecord)">🗑️</text>
           </view>
         </view>
-        <text v-if="task.records[0].remark" class="record-remark">{{ task.records[0].remark }}</text>
-        <view v-if="task.records[0].images && task.records[0].images.length" class="record-images">
+        <text v-if="latestRecord.remark" class="record-remark">{{ latestRecord.remark }}</text>
+        <view v-if="latestRecord.images && latestRecord.images.length" class="record-images">
           <image
-            v-for="(img, i) in task.records[0].images"
+            v-for="(img, i) in latestRecord.images"
             :key="i"
             :src="imageUrl(img)"
             class="record-thumb"
             mode="aspectFill"
-            @tap.stop="previewImage(task.records[0].images, i)"
+            @tap.stop="previewImage(latestRecord.images, i)"
           />
         </view>
       </view>
@@ -89,13 +89,17 @@ export default {
   emits: ["action", "editRecord", "viewRecords"],
   computed: {
     canEditRecord() {
-      // 双重宽松匹配：assignee_id 可能是数字ID或用户名字符串
       if (this.task.assignee_id == this.currentUserId) return true;
       if (this.task.assignee_id == this.currentUsername) return true;
       if (this.currentUser && this.currentUser.id == this.task.assignee_id) return true;
       if (this.currentUser && this.currentUser.username == this.task.assignee_id) return true;
       return false;
     },
+    latestRecord() {
+      const recs = this.task.records;
+      if (!recs || !recs.length) return null;
+      return [...recs].sort((a, b) => new Date(b.created_at) - new Date(a.created_at))[0];
+    },
   },
   methods: {
     imageUrl(url) {