diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 01fa40f1..dddc4e0a 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -2022,6 +2022,7 @@ export default {
         user: 'User',
         userId: 'User ID',
         account: 'Account',
+        accountId: 'Account ID',
         status: 'Status',
         message: 'Message',
         latency: 'Request Duration',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 8b080a5d..a3c4d8ca 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -2166,6 +2166,7 @@ export default {
         user: '用户',
         userId: '用户 ID',
         account: '账号',
+        accountId: '账号 ID',
         status: '状态码',
         message: '响应内容',
         latency: '请求时长',
diff --git a/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue b/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
index 091d39e2..81fe982c 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
@@ -29,9 +29,16 @@
         </div>
 
         <div class="rounded-xl bg-gray-50 p-4 dark:bg-dark-900">
-          <div class="text-xs font-bold uppercase tracking-wider text-gray-400">{{ t('admin.ops.errorDetail.user') }}</div>
+          <div class="text-xs font-bold uppercase tracking-wider text-gray-400">
+            {{ isUpstreamError(detail) ? t('admin.ops.errorDetail.account') : t('admin.ops.errorDetail.user') }}
+          </div>
           <div class="mt-1 text-sm font-medium text-gray-900 dark:text-white">
-            {{ detail.user_email || (detail.user_id != null ? String(detail.user_id) : '—') }}
+            <template v-if="isUpstreamError(detail)">
+              {{ detail.account_name || (detail.account_id != null ? String(detail.account_id) : '—') }}
+            </template>
+            <template v-else>
+              {{ detail.user_email || (detail.user_id != null ? String(detail.user_id) : '—') }}
+            </template>
           </div>
         </div>
 
@@ -202,6 +209,13 @@ const title = computed(() => {
 
 const emptyText = computed(() => t('admin.ops.errorDetail.noErrorSelected'))
 
+function isUpstreamError(d: OpsErrorDetail | null): boolean {
+  if (!d) return false
+  const phase = String(d.phase || '').toLowerCase()
+  const owner = String(d.error_owner || '').toLowerCase()
+  return phase === 'upstream' && owner === 'provider'
+}
+
 const correlatedUpstream = ref<OpsErrorDetail[]>([])
 const correlatedUpstreamLoading = ref(false)
 
diff --git a/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue b/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue
index a05c67fb..28868552 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue
@@ -101,13 +101,24 @@
                 <span v-else class="text-xs text-gray-400">-</span>
               </td>
 
-              <!-- User -->\n              <td class="px-4 py-2">
-                 <el-tooltip v-if="log.user_id" :content="t('admin.ops.errorLog.userId') + ' ' + log.user_id" placement="top" :show-after="500">
-                  <span class="max-w-[100px] truncate text-xs font-medium text-gray-900 dark:text-gray-200">
-                    {{ log.user_email || '-' }}
-                  </span>
-                </el-tooltip>
-                <span v-else class="text-xs text-gray-400">-</span>
+              <!-- User / Account -->
+              <td class="px-4 py-2">
+                <template v-if="isUpstreamRow(log)">
+                  <el-tooltip v-if="log.account_id" :content="t('admin.ops.errorLog.accountId') + ' ' + log.account_id" placement="top" :show-after="500">
+                    <span class="max-w-[100px] truncate text-xs font-medium text-gray-900 dark:text-gray-200">
+                      {{ log.account_name || '-' }}
+                    </span>
+                  </el-tooltip>
+                  <span v-else class="text-xs text-gray-400">-</span>
+                </template>
+                <template v-else>
+                  <el-tooltip v-if="log.user_id" :content="t('admin.ops.errorLog.userId') + ' ' + log.user_id" placement="top" :show-after="500">
+                    <span class="max-w-[100px] truncate text-xs font-medium text-gray-900 dark:text-gray-200">
+                      {{ log.user_email || '-' }}
+                    </span>
+                  </el-tooltip>
+                  <span v-else class="text-xs text-gray-400">-</span>
+                </template>
               </td>
 
               <!-- Status -->