diff --git a/track-uniapp/src/pages/scan/components/WorkspaceArea.vue b/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
index 0a75441..58c328e 100644
--- a/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
+++ b/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
@@ -133,8 +133,8 @@ export default {
       };
       if (this.product) walk(this.product.task_tree);
       result.sort((a, b) => {
-        const aIsMain = !a.parent_task_id;
-        const bIsMain = !b.parent_task_id;
+        const aIsMain = !a.parent_task_id || a.task_type !== 'SPAWN';
+        const bIsMain = !b.parent_task_id || b.task_type !== 'SPAWN';
         if (aIsMain && !bIsMain) return -1;
         if (!aIsMain && bIsMain) return 1;
         return new Date(a.created_at) - new Date(b.created_at);
@@ -146,8 +146,10 @@ export default {
     canRecall() {
       if (!this.lockedTask || this.lockedTask.status !== 'PENDING') return false;
       if (this.isAssignee) return false;
-      // 非接收人即可撤回（后端会校验权限）；parent_task_id 为空时也放开（旧数据兼容）
-      return true;
+      if (!this.lockedTask.parent_task_id) return false;
+      const parent = this.taskMap[this.lockedTask.parent_task_id];
+      if (!parent) return false;
+      return parent.assignee_id == this.currentUserId || parent.assignee_id == this.currentUsername;
     },
     branchLabelsMap() {
       const map = {};
diff --git a/track-uniapp/src/pages/tasks/index.vue b/track-uniapp/src/pages/tasks/index.vue
index c809d21..96bba79 100644
--- a/track-uniapp/src/pages/tasks/index.vue
+++ b/track-uniapp/src/pages/tasks/index.vue
@@ -21,7 +21,7 @@
       <view v-for="task in filtered" :key="task.id" class="card" @tap="goDetail(task)">
         <view class="card-row">
           <view style="display:flex;align-items:center;gap:6px;min-width:0;">
-            <text :class="['tag-badge', task.parent_task_id ? 'tag-sub' : 'tag-main']">{{ task.parent_task_id ? '协助分支' : '主分支' }}</text>
+            <text :class="['tag-badge', task.task_type === 'SPAWN' ? 'tag-sub' : 'tag-main']">{{ task.task_type === 'SPAWN' ? '协助' : '主干' }}</text>
             <text class="card-name">{{ task.task_name }}</text>
           </view>
           <text :class="['card-status', statusColor(task.status)]">{{ statusLabel(task.status) }}</text>
@@ -101,8 +101,8 @@ export default {
         const username = this.currentUser?.username || "";
         const res = await get("/tasks/", { assignee_id: username, limit: 100 });
         this.tasks = (res.tasks || []).sort((a, b) => {
-          const aIsMain = !a.parent_task_id;
-          const bIsMain = !b.parent_task_id;
+          const aIsMain = !a.parent_task_id || a.task_type !== 'SPAWN';
+          const bIsMain = !b.parent_task_id || b.task_type !== 'SPAWN';
           if (aIsMain && !bIsMain) return -1;
           if (!aIsMain && bIsMain) return 1;
           return new Date(a.created_at) - new Date(b.created_at);