diff --git a/web/src/views/goauto/syb-products/index.vue b/web/src/views/goauto/syb-products/index.vue
index 3341c00..7e0c161 100644
--- a/web/src/views/goauto/syb-products/index.vue
+++ b/web/src/views/goauto/syb-products/index.vue
@@ -63,6 +63,7 @@
                   </div>
                 </div>
                 <el-alert v-if="returnMatchByProductId[row.id].syncStatus === 'missing'" title="退货已不在 yeeke 列表" type="error" :closable="false" show-icon class="return-missing-alert" />
+                <el-alert v-if="isDeadlinePassed(returnMatchByProductId[row.id].destroyDeadline)" title="退货已过销毁截止" type="error" :closable="false" show-icon class="return-missing-alert" />
                 <div class="quick-link-actions">
                   <el-button type="primary" link @click="openMatchDetail(returnMatchByProductId[row.id].id)">查看对比</el-button>
                   <el-button v-if="canPurchase" type="primary" link @click="openMatchDetail(returnMatchByProductId[row.id].id, true)">备注</el-button>
@@ -223,6 +224,7 @@
               <div class="split-col">
                 <h3 class="section-title">yeeke 退货商品</h3>
                 <el-alert v-if="matchDetail.data.yeeke && matchDetail.data.yeeke.syncStatus === 'missing'" title="退货已不在 yeeke 列表" type="error" :closable="false" show-icon class="notice" />
+                <el-alert v-if="matchDetail.data.yeeke && isDeadlinePassed(matchDetail.data.yeeke.destroyDeadline)" title="退货已过销毁截止，请核实退货是否仍在库" type="error" :closable="false" show-icon class="notice" />
                 <el-descriptions :column="1" border size="small" v-if="matchDetail.data.yeeke">
                   <el-descriptions-item label="退货订单号">{{ matchDetail.data.yeeke.orderSn }}</el-descriptions-item>
                   <el-descriptions-item label="商品ID">{{ matchDetail.data.yeeke.itemId }}</el-descriptions-item>
@@ -573,6 +575,8 @@ export default {
 
     // ---------------- 退货匹配 (#338) ----------------
     formatMatchDeadline(value) { return value ? new Date(value).toLocaleString() : '—' },
+    // #338: an already-matched return whose destroy deadline has passed is only flagged, never auto-cancelled.
+    isDeadlinePassed(value) { return Boolean(value) && new Date(value).getTime() <= Date.now() },
     matchStatusLabel(status) { return { matched: '待确认', confirmed: '已确认', cancelled: '已取消' }[status] || status },
     async loadReturnMatches(ids, generation = this.loadGeneration) {
       this.returnMatchByProductId = {}
diff --git a/web/src/views/goauto/yeeke-returns/index.vue b/web/src/views/goauto/yeeke-returns/index.vue
index fe2871c..714a9c9 100644
--- a/web/src/views/goauto/yeeke-returns/index.vue
+++ b/web/src/views/goauto/yeeke-returns/index.vue
@@ -83,6 +83,7 @@
               <template v-if="row.occupyingSybProductId">
                 <a class="link" href="javascript:void(0)" @click="openSybProduct(row.occupyingSybProductId)">{{ row.occupyingSybOrderCode }} ↗</a>
                 <div class="muted">{{ row.occupyingSybStageLabel }}</div>
+                <div v-if="isDeadlinePassed(row.destroyDeadLine)" class="deadline-passed">已过销毁截止</div>
               </template>
               <span v-else class="muted">—</span>
             </template>
@@ -193,6 +194,8 @@ export default {
     openSybProduct(sybProductId) { this.$router.push({ path: '/syb-products/index', query: { sybProductId } }) },
     statusMeta(status) { return { running: { label: '执行中', type: 'primary' }, succeeded: { label: '成功', type: 'success' }, failed: { label: '失败', type: 'danger' }, interrupted: { label: '已中断', type: 'warning' }}[status] || { label: status || '-', type: 'info' } },
     formatTime(value) { if (!value) return '—'; return new Date(value).toLocaleString('zh-CN', { hour12: false }) },
+    // #338: a matched return past its destroy deadline is flagged only, never auto-released.
+    isDeadlinePassed(value) { return Boolean(value) && new Date(value).getTime() <= Date.now() },
     async load() {
       this.loading = true; this.loadError = ''
       try {
@@ -277,4 +280,5 @@ export default {
 .item-title{font-size:15px;font-weight:600;color:#1f2937;margin-bottom:4px}
 .muted{font-size:12px;color:#909399}
 @media(max-width:800px){.page-heading{flex-direction:column}}
+.deadline-passed{color:var(--el-color-danger);font-size:12px}
 </style>