diff --git a/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue b/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
index 16e86b2161..0275bfc117 100644
--- a/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
+++ b/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
@@ -394,6 +394,7 @@ const tpsAvgLabel = computed(() => {
 const slaPercent = computed(() => {
   const v = overview.value?.sla
   if (typeof v !== 'number') return null
+  if ((overview.value?.request_count_sla ?? 0) <= 0) return null
   return v * 100
 })
 
@@ -1272,7 +1273,7 @@ function handleToolbarRefresh() {
           <div class="mt-3 text-xs">
             <div class="flex justify-between">
               <span class="text-gray-500">{{ t('admin.ops.exceptions') }}:</span>
-              <span class="font-bold text-red-600 dark:text-red-400">{{ formatNumber((overview.request_count_sla ?? 0) - (overview.success_count ?? 0)) }}</span>
+              <span class="font-bold text-gray-900 dark:text-white">{{ formatNumber((overview.request_count_sla ?? 0) - (overview.success_count ?? 0)) }}</span>
             </div>
           </div>
         </div>