diff --git a/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetail.css b/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetail.css
index f65f5fbb..376df950 100644
--- a/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetail.css
+++ b/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetail.css
@@ -149,6 +149,10 @@
   color: var(--text-primary);
 }
 
+.voucher-missing-alert {
+  margin-bottom: var(--space-3);
+}
+
 .section-copy {
   margin: 0 0 var(--space-3);
   color: var(--text-secondary);
diff --git a/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetailView.vue b/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetailView.vue
index 475ce392..33aff7c4 100644
--- a/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetailView.vue
+++ b/apps/frontend-vue/src/views/admin/tasks/AdminTaskDetailView.vue
@@ -124,7 +124,6 @@ onMounted(loadDetail)
       />
 
       <AdminTaskKuaishouIndustryVoucherSection
-        v-if="detail.kuaishouIndustryVoucher"
         :detail="detail"
         :action-loading="actionLoading"
         @resend-industry-code="submitKuaishouIndustryResendCode"
diff --git a/apps/frontend-vue/src/views/admin/tasks/components/AdminTaskKuaishouIndustryVoucherSection.vue b/apps/frontend-vue/src/views/admin/tasks/components/AdminTaskKuaishouIndustryVoucherSection.vue
index e79b734d..5eeb7a93 100644
--- a/apps/frontend-vue/src/views/admin/tasks/components/AdminTaskKuaishouIndustryVoucherSection.vue
+++ b/apps/frontend-vue/src/views/admin/tasks/components/AdminTaskKuaishouIndustryVoucherSection.vue
@@ -1,4 +1,6 @@
 <script setup lang="ts">
+import { computed } from 'vue'
+
 import AdminStatusTag from '@/components/admin/AdminStatusTag.vue'
 import type { AdminTaskDetail } from '@/types/admin'
 import { formatAdminDateTime } from '@/utils/admin-time'
@@ -8,13 +10,30 @@ interface Props {
   actionLoading: boolean
 }
 
-defineProps<Props>()
+const props = defineProps<Props>()
 
 const emit = defineEmits<{
   resendIndustryCode: []
   consumeIndustryVoucher: []
 }>()
 
+const voucher = computed(() => props.detail.kuaishouIndustryVoucher)
+const shouldShowSection = computed(() => Boolean(voucher.value || hasKuaishouIndustrySignal()))
+const missingReason = computed(() => {
+  const message = props.detail.task.lastError || props.detail.task.resultMessage || ''
+  return message || '未找到电子凭证记录'
+})
+
+function hasKuaishouIndustrySignal() {
+  const signal = [
+    props.detail.task.resultCode,
+    props.detail.task.resultMessage,
+    props.detail.task.lastError,
+  ].join(' ')
+
+  return /电子凭证|核销码|发码回调|kuaishou_industry/.test(signal)
+}
+
 function formatConsumeDetailTime(value: unknown) {
   const parsed = Number(value || 0)
   if (Number.isFinite(parsed) && parsed > 0) {
@@ -38,10 +57,10 @@ function formatValue(value: unknown) {
 </script>
 
 <template>
-  <el-card v-if="detail.kuaishouIndustryVoucher" shadow="never" class="section-card">
+  <el-card v-if="shouldShowSection" shadow="never" class="section-card">
     <div class="section-headline">
       <h3>电子凭证与核销</h3>
-      <div class="section-actions">
+      <div v-if="voucher" class="section-actions">
         <el-button
           v-if="detail.operations.canResendKuaishouIndustryVoucherCode"
           :loading="actionLoading"
@@ -63,74 +82,97 @@ function formatValue(value: unknown) {
       </div>
     </div>
 
-    <el-descriptions :column="2" border>
-      <el-descriptions-item label="平台订单号">
-        {{ detail.kuaishouIndustryVoucher.oid || '-' }}
-      </el-descriptions-item>
-      <el-descriptions-item label="券序号">
-        {{ detail.kuaishouIndustryVoucher.unitIndex || '-' }}
-      </el-descriptions-item>
-      <el-descriptions-item label="核销码">
-        {{ detail.kuaishouIndustryVoucher.voucherCode || '-' }}
-      </el-descriptions-item>
-      <el-descriptions-item label="券状态">
-        <AdminStatusTag :status="detail.kuaishouIndustryVoucher.status || ''" />
-      </el-descriptions-item>
-      <el-descriptions-item label="发码回调">
-        <AdminStatusTag :status="detail.kuaishouIndustryVoucher.sendCallbackStatus || ''" />
-      </el-descriptions-item>
-      <el-descriptions-item label="回调次数">
-        {{ detail.kuaishouIndustryVoucher.sendCallbackAttemptCount || 0 }}
-      </el-descriptions-item>
-      <el-descriptions-item label="回调时间">
-        {{ formatAdminDateTime(detail.kuaishouIndustryVoucher.sendCallbackSentAt) }}
-      </el-descriptions-item>
-      <el-descriptions-item label="回调异常">
-        {{ detail.kuaishouIndustryVoucher.sendCallbackLastError || '-' }}
-      </el-descriptions-item>
-      <el-descriptions-item label="核销流水">
-        {{ detail.kuaishouIndustryVoucher.consumeSerialNum || '-' }}
-      </el-descriptions-item>
-      <el-descriptions-item label="核销时间">
-        {{ formatAdminDateTime(detail.kuaishouIndustryVoucher.consumedAt) }}
-      </el-descriptions-item>
-      <el-descriptions-item label="销毁时间">
-        {{ formatAdminDateTime(detail.kuaishouIndustryVoucher.destroyedAt) }}
-      </el-descriptions-item>
-    </el-descriptions>
+    <template v-if="voucher">
+      <el-descriptions :column="2" border>
+        <el-descriptions-item label="平台订单号">
+          {{ voucher.oid || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="券序号">
+          {{ voucher.unitIndex || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="核销码">
+          {{ voucher.voucherCode || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="券状态">
+          <AdminStatusTag :status="voucher.status || ''" />
+        </el-descriptions-item>
+        <el-descriptions-item label="发码回调">
+          <AdminStatusTag :status="voucher.sendCallbackStatus || ''" />
+        </el-descriptions-item>
+        <el-descriptions-item label="回调次数">
+          {{ voucher.sendCallbackAttemptCount || 0 }}
+        </el-descriptions-item>
+        <el-descriptions-item label="回调时间">
+          {{ formatAdminDateTime(voucher.sendCallbackSentAt) }}
+        </el-descriptions-item>
+        <el-descriptions-item label="回调异常">
+          {{ voucher.sendCallbackLastError || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="核销流水">
+          {{ voucher.consumeSerialNum || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="核销时间">
+          {{ formatAdminDateTime(voucher.consumedAt) }}
+        </el-descriptions-item>
+        <el-descriptions-item label="销毁时间">
+          {{ formatAdminDateTime(voucher.destroyedAt) }}
+        </el-descriptions-item>
+      </el-descriptions>
 
-    <div class="voucher-detail-block">
-      <h4>核销明细</h4>
-      <el-table
-        v-if="detail.kuaishouIndustryVoucher.consumeDetails.length > 0"
-        :data="detail.kuaishouIndustryVoucher.consumeDetails"
-        size="small"
-      >
-        <el-table-column label="流水号" min-width="160">
-          <template #default="{ row }">{{ formatValue(row.serialNum) }}</template>
-        </el-table-column>
-        <el-table-column label="核销类型" width="120">
-          <template #default="{ row }">{{ formatValue(row.consumeType) }}</template>
-        </el-table-column>
-        <el-table-column label="时间" width="180">
-          <template #default="{ row }">{{ formatConsumeDetailTime(row.consumeTime) }}</template>
-        </el-table-column>
-        <el-table-column label="来源" width="150">
-          <template #default="{ row }">{{ formatValue(row.source) }}</template>
-        </el-table-column>
-        <el-table-column label="门店/物流">
-          <template #default="{ row }">
-            {{
-              [row.storeName, row.storeAddress, row.expressCode, row.expressNo]
-                .map(formatValue)
-                .filter((item) => item !== '-')
-                .join(' / ') || '-'
-            }}
-          </template>
-        </el-table-column>
-      </el-table>
-      <el-empty v-else description="暂无核销明细" :image-size="64" />
-    </div>
+      <div class="voucher-detail-block">
+        <h4>核销明细</h4>
+        <el-table
+          v-if="voucher.consumeDetails.length > 0"
+          :data="voucher.consumeDetails"
+          size="small"
+        >
+          <el-table-column label="流水号" min-width="160">
+            <template #default="{ row }">{{ formatValue(row.serialNum) }}</template>
+          </el-table-column>
+          <el-table-column label="核销类型" width="120">
+            <template #default="{ row }">{{ formatValue(row.consumeType) }}</template>
+          </el-table-column>
+          <el-table-column label="时间" width="180">
+            <template #default="{ row }">{{ formatConsumeDetailTime(row.consumeTime) }}</template>
+          </el-table-column>
+          <el-table-column label="来源" width="150">
+            <template #default="{ row }">{{ formatValue(row.source) }}</template>
+          </el-table-column>
+          <el-table-column label="门店/物流">
+            <template #default="{ row }">
+              {{
+                [row.storeName, row.storeAddress, row.expressCode, row.expressNo]
+                  .map(formatValue)
+                  .filter((item) => item !== '-')
+                  .join(' / ') || '-'
+              }}
+            </template>
+          </el-table-column>
+        </el-table>
+        <el-empty v-else description="暂无核销明细" :image-size="64" />
+      </div>
+    </template>
+
+    <template v-else>
+      <el-alert
+        title="未找到电子凭证记录"
+        type="warning"
+        show-icon
+        :closable="false"
+        class="voucher-missing-alert"
+      />
+      <el-descriptions :column="2" border>
+        <el-descriptions-item label="平台订单号">
+          {{ detail.task.platformOrderId || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="结果代码">
+          {{ detail.task.resultCode || '-' }}
+        </el-descriptions-item>
+        <el-descriptions-item label="最近错误" :span="2">
+          {{ missingReason }}
+        </el-descriptions-item>
+      </el-descriptions>
+    </template>
   </el-card>
 </template>