diff --git a/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue b/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
index 4bcd0c41..d29607e5 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorDetailModal.vue
@@ -59,13 +59,13 @@
         <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.model') }}</div>
           <div class="mt-1 text-sm font-medium text-gray-900 dark:text-white">
-            <template v-if="detail.requested_model && detail.upstream_model && detail.requested_model !== detail.upstream_model">
+            <template v-if="hasModelMapping(detail)">
               <span class="font-mono">{{ detail.requested_model }}</span>
               <span class="mx-1 text-gray-400">→</span>
               <span class="font-mono text-primary-600 dark:text-primary-400">{{ detail.upstream_model }}</span>
             </template>
             <template v-else>
-              {{ detail.requested_model || detail.model || '—' }}
+              {{ displayModel(detail) || '—' }}
             </template>
           </div>
         </div>
@@ -250,6 +250,22 @@ function formatRequestTypeLabel(type: number | null | undefined): string {
   }
 }
 
+function hasModelMapping(d: OpsErrorDetail | null): boolean {
+  if (!d) return false
+  const requested = String(d.requested_model || '').trim()
+  const upstream = String(d.upstream_model || '').trim()
+  return !!requested && !!upstream && requested !== upstream
+}
+
+function displayModel(d: OpsErrorDetail | null): string {
+  if (!d) return ''
+  const upstream = String(d.upstream_model || '').trim()
+  if (upstream) return upstream
+  const requested = String(d.requested_model || '').trim()
+  if (requested) return requested
+  return String(d.model || '').trim()
+}
+
 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 23377257..2b3825a2 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorLogTable.vue
@@ -99,8 +99,8 @@
               <!-- Model -->
               <td class="px-4 py-2">
                 <div class="max-w-[160px]">
-                  <template v-if="log.requested_model && log.upstream_model && log.requested_model !== log.upstream_model">
-                    <el-tooltip :content="`${log.requested_model} → ${log.upstream_model}`" placement="top" :show-after="500">
+                  <template v-if="hasModelMapping(log)">
+                    <el-tooltip :content="modelMappingTooltip(log)" placement="top" :show-after="500">
                       <span class="flex items-center gap-1 truncate font-mono text-[11px] text-gray-700 dark:text-gray-300">
                         <span class="truncate">{{ log.requested_model }}</span>
                         <span class="flex-shrink-0 text-gray-400">→</span>
@@ -232,8 +232,26 @@ function formatEndpointTooltip(log: OpsErrorLog): string {
   return parts.join('\n') || ''
 }
 
+function hasModelMapping(log: OpsErrorLog): boolean {
+  const requested = String(log.requested_model || '').trim()
+  const upstream = String(log.upstream_model || '').trim()
+  return !!requested && !!upstream && requested !== upstream
+}
+
+function modelMappingTooltip(log: OpsErrorLog): string {
+  const requested = String(log.requested_model || '').trim()
+  const upstream = String(log.upstream_model || '').trim()
+  if (!requested && !upstream) return ''
+  if (requested && upstream) return `${requested} → ${upstream}`
+  return upstream || requested
+}
+
 function displayModel(log: OpsErrorLog): string {
-  return log.requested_model || log.model || ''
+  const upstream = String(log.upstream_model || '').trim()
+  if (upstream) return upstream
+  const requested = String(log.requested_model || '').trim()
+  if (requested) return requested
+  return String(log.model || '').trim()
 }
 
 function formatRequestType(type: number | null | undefined): string {
@@ -315,4 +333,4 @@ function formatSmartMessage(msg: string): string {
   return msg.length > 200 ? msg.substring(0, 200) + '...' : msg
 
 }
-</script>
\ No newline at end of file
+</script>