diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 53580ee..606edd9 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -10,7 +10,7 @@
         <view class="overall-bar" @tap="handleOverallBarClick">
           <text class="overall-label">宏观状态</text>
           <text :class="['overall-val', product.overall_status ? '' : 'overall-empty']">{{ product.overall_status || '未激活 — 点击发起首道工序' }}</text>
-          <text v-if="product.task_tree && product.task_tree.length" class="overall-arrow">▾</text>
+          <text v-if="product.task_tree && product.task_tree.length && canEditOverallStatus" class="overall-arrow">▾</text>
         </view>
 
         <view class="card">
@@ -245,6 +245,27 @@ export default {
       return this.product ? find(this.product.task_tree) : false;
     },
     msgUnreadCount() { if (!this.lastMsgSeenAt) return this.messages.length; return this.messages.filter(m => m.created_at > this.lastMsgSeenAt).length; },
+    // 🔒 宏观状态修改权限：对齐后端 update_overall_status 的 main_task 判断标准
+    canEditOverallStatus() {
+      if (!this.currentUser) return false;
+      if (this.currentUser.role === 'SUPER_ADMIN') return true;
+      if (!this.product || !this.product.task_tree) return false;
+      let hasPermission = false;
+      const checkTask = (tasks) => {
+        if (!tasks || hasPermission) return;
+        for (const t of tasks) {
+          const isMain = !t.parent_task_id || t.task_type === 'TRANSFER' || t.task_type === 'RECOVERY';
+          if (isMain && (t.status === 'WIP' || t.status === 'PENDING')) {
+            if (t.assignee_id == this.currentUserId || t.assignee_id == this.currentUsername) {
+              hasPermission = true;
+            }
+          }
+          checkTask(t.child_tasks);
+        }
+      };
+      checkTask(this.product.task_tree);
+      return hasPermission;
+    },
   },
   onLoad(options) { this.loadUsers(); this.loadCurrentUser(); const sn = options.serial || ""; if (sn) { this.doQuery(sn); return; } /* 🚀 兜底: 从 taskId 反查 product */ const tid = options.taskId || ""; if (tid) this.doQueryByTask(tid); },
   // 🚀 onShow 生命周期：每次页面显示时刷新留言板（解决从聊天室退回不更新问题）
@@ -286,7 +307,7 @@ export default {
     onTaskNameChange(e) { const idx = e.detail.value; this.firstForm.taskNameIdx = idx; this.firstForm.task_name = TASK_NAME_OPTIONS[idx]; },
     onAssigneeChange(e) { const idx = e.detail.value; const u = this.users[idx]; if (u) { this.firstForm.assigneeIdx = idx; this.firstForm.assignee_id = u.username; this.firstForm.assigneeLabel = `${u.full_name} (${u.username})`; } },
     openCreateFirstTask() { this.isWarehouseTransfer = false; if (this.currentMode === 'tree') this.currentMode = 'workspace'; this.firstForm = { assignee_id: "", assigneeLabel: "", note: "" }; this.createFirstVisible = true; },
-    handleOverallBarClick() { if (!this.product.task_tree || !this.product.task_tree.length) { this.openCreateFirstTask(); } else { this.showStatusPicker = true; } },
+    handleOverallBarClick() { if (!this.product.task_tree || !this.product.task_tree.length) { this.openCreateFirstTask(); } else if (this.canEditOverallStatus) { this.showStatusPicker = true; } else { uni.showToast({ title: '仅超级管理员或当前主线负责人可修改状态', icon: 'none', duration: 2500 }); } },
     openWarehouseTransfer() { this.isWarehouseTransfer = true; this.openCreateFirstTask(); },
     async doCreateFirstTask() { this.firstSaving = true; try { await post("/tasks/", { product_id: this.product.id, task_name: "待确认", assignee_id: this.firstForm.assignee_id, notify_parent_on_complete: false, remark: this.firstForm.note.trim() || undefined }); if (this.product.current_location_id === 'virtual_warehouse') { try { await patch(`/products/${this.product.id}`, { current_location_id: this.firstForm.assignee_id }); } catch {} } uni.showToast({ title: "任务已派发，待接收", icon: "success" }); this.createFirstVisible = false; this.doQuery(this.product.serial_number); } catch {} finally { this.firstSaving = false; } },