diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 35defb7..0fb4067 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -6,8 +6,8 @@
     <template v-if="product && !loading">
       <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 || '点击设定' }}</text>
-        <text class="overall-arrow">▾</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>
       </view>
 
       <view class="card">
@@ -174,7 +174,7 @@ export default {
     statusLabel(s) { return STATUS_MAP[s] || s; },
     statusColor(s) { switch (s) { case "PENDING": return "s-yellow"; case "WIP": return "s-blue"; case "COMPLETED": return "s-green"; case "REJECTED": return "s-red"; default: return "s-gray"; } },
 
-    async doQuery(sn) { this.loading = true; this.error = ""; try { this.product = await get(`/products/scan/${sn}`); if (!this.product.overall_status) this.showStatusPicker = true; this.$nextTick(() => { this.currentMode = this.hasMyActiveTask ? 'workspace' : 'tree'; }); } catch (e) { this.error = e?.data?.detail || "查询失败"; } finally { this.loading = false; } },
+    async doQuery(sn) { this.loading = true; this.error = ""; try { this.product = await get(`/products/scan/${sn}`); this.$nextTick(() => { this.currentMode = this.hasMyActiveTask ? 'workspace' : 'tree'; if (!this.product.task_tree || !this.product.task_tree.length) { this.openCreateFirstTask(); } }); } catch (e) { this.error = e?.data?.detail || "查询失败"; } finally { this.loading = false; } },
     toggleMode() { this.currentMode = this.currentMode === 'workspace' ? 'tree' : 'workspace'; },
 
     async handleSetOverallStatus(status) { try { this.product = await patch(`/products/scan/${this.product.serial_number}/status`, { status }); uni.showToast({ title: `状态已更新: ${status}`, icon: "success" }); this.showStatusPicker = false; } catch {} },