diff --git a/frontend/src/components/account/AccountQuotaInfo.vue b/frontend/src/components/account/AccountQuotaInfo.vue
index 512b4451..b639a7e2 100644
--- a/frontend/src/components/account/AccountQuotaInfo.vue
+++ b/frontend/src/components/account/AccountQuotaInfo.vue
@@ -1,28 +1,29 @@
 <template>
-  <div v-if="shouldShowQuota" class="flex items-center gap-2">
-    <!-- Tier Badge -->
-    <span :class="['badge text-xs px-2 py-0.5 rounded font-medium', tierBadgeClass]">
-      {{ tierLabel }}
-    </span>
+  <div v-if="shouldShowQuota">
+    <!-- First line: Platform + Tier Badge -->
+    <div class="mb-1 flex items-center gap-1">
+      <span :class="['badge text-xs px-2 py-0.5 rounded font-medium', tierBadgeClass]">
+        {{ tierLabel }}
+      </span>
+    </div>
 
-    <!-- 限流状态 -->
-    <span
-      v-if="!isRateLimited"
-      class="text-xs text-gray-400 dark:text-gray-500"
-    >
-      {{ t('admin.accounts.gemini.rateLimit.ok') }}
-    </span>
-    <span
-      v-else
-      :class="[
-        'text-xs font-medium',
-        isUrgent
-          ? 'text-red-600 dark:text-red-400 animate-pulse'
-          : 'text-amber-600 dark:text-amber-400'
-      ]"
-    >
-      {{ t('admin.accounts.gemini.rateLimit.limited', { time: resetCountdown }) }}
-    </span>
+    <!-- Usage status: unlimited flow or rate limit -->
+    <div class="text-xs text-gray-400 dark:text-gray-500">
+      <span v-if="!isRateLimited">
+        {{ t('admin.accounts.gemini.rateLimit.unlimited') }}
+      </span>
+      <span
+        v-else
+        :class="[
+          'font-medium',
+          isUrgent
+            ? 'text-red-600 dark:text-red-400 animate-pulse'
+            : 'text-amber-600 dark:text-amber-400'
+        ]"
+      >
+        {{ t('admin.accounts.gemini.rateLimit.limited', { time: resetCountdown }) }}
+      </span>
+    </div>
   </div>
 </template>
 
diff --git a/frontend/src/components/account/AccountUsageCell.vue b/frontend/src/components/account/AccountUsageCell.vue
index 19ada2fd..9b89fefc 100644
--- a/frontend/src/components/account/AccountUsageCell.vue
+++ b/frontend/src/components/account/AccountUsageCell.vue
@@ -229,6 +229,7 @@
         </span>
       </div>
 
+      <!-- Usage data or unlimited flow -->
       <div class="space-y-1">
         <div v-if="loading" class="space-y-1">
           <div class="flex items-center gap-1">
@@ -240,7 +241,8 @@
         <div v-else-if="error" class="text-xs text-red-500">
           {{ error }}
         </div>
-        <div v-else-if="geminiUsageAvailable" class="space-y-1">
+        <!-- Code Assist: show model usage bars -->
+        <div v-else-if="isGeminiCodeAssist && geminiUsageAvailable" class="space-y-1">
           <UsageProgressBar
             v-if="usageInfo?.gemini_pro_daily"
             :label="t('admin.accounts.usageWindow.geminiProDaily')"
@@ -263,6 +265,10 @@
             * {{ t('admin.accounts.gemini.quotaPolicy.simulatedNote') || 'Simulated quota' }}
           </p>
         </div>
+        <!-- AI Studio & Google One: show unlimited flow -->
+        <div v-else class="text-xs text-gray-400">
+          {{ t('admin.accounts.gemini.rateLimit.unlimited') }}
+        </div>
       </div>
     </template>
 
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 4c9c2e84..60178451 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -1347,6 +1347,7 @@ export default {
         },
         rateLimit: {
           ok: 'Not rate limited',
+          unlimited: 'Unlimited',
           limited: 'Rate limited {time}',
           now: 'now'
         }
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index af203cf9..afb58a18 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -1484,6 +1484,7 @@ export default {
         },
         rateLimit: {
           ok: '未限流',
+          unlimited: '无限流',
           limited: '限流 {time}',
           now: '现在'
         }