diff --git a/frontend/src/components/account/AccountQuotaInfo.vue b/frontend/src/components/account/AccountQuotaInfo.vue
index 4bc91be3..520fb02a 100644
--- a/frontend/src/components/account/AccountQuotaInfo.vue
+++ b/frontend/src/components/account/AccountQuotaInfo.vue
@@ -90,8 +90,8 @@ const tierLabel = computed(() => {
     return tierMap[creds?.tier_id || ''] || 'Personal'
   }
 
-  // API Key: 显示 Client
-  return 'Client'
+  // API Key: 显示 AI Studio
+  return 'AI Studio'
 })
 
 // Tier Badge 样式
diff --git a/frontend/src/components/account/AccountUsageCell.vue b/frontend/src/components/account/AccountUsageCell.vue
index 1ce0f708..f3c2bfb1 100644
--- a/frontend/src/components/account/AccountUsageCell.vue
+++ b/frontend/src/components/account/AccountUsageCell.vue
@@ -606,8 +606,8 @@ const geminiAuthTypeLabel = computed(() => {
     const tierLabel = geminiTier.value ? tierMap[geminiTier.value] || 'Free' : 'Free'
     return `GCP ${tierLabel}`
   } else if (oauthType === 'ai_studio') {
-    // AI Studio: just show "AI Studio" (no tier)
-    return 'AI Studio'
+    // 自定义 OAuth Client: show "Client" (no tier)
+    return 'Client'
   }
 
   return null