diff --git a/apps/aether-gateway/src/handlers/shared/catalog.rs b/apps/aether-gateway/src/handlers/shared/catalog.rs
index 96ab2f78c..66f8a998d 100644
--- a/apps/aether-gateway/src/handlers/shared/catalog.rs
+++ b/apps/aether-gateway/src/handlers/shared/catalog.rs
@@ -2575,6 +2575,63 @@ fn windsurf_quota_snapshot_has_stale_cooldown(quota_snapshot: &Map<String, Value
     has_capacity || !exhausted
 }
 
+/// 读取状态快照时，把已越过重置时间点的 Codex 配额窗口按“已重置”口径归一化。
+///
+/// 背景：调度侧早已把到期窗口视为未耗尽（`provider_pool_reset_deadline_elapsed`），
+/// 账号额度文本也会按到期强制显示 100%，但列表读取此前直接返回存量快照，
+/// 导致管理端倒计时归零后进度条仍停留在旧的剩余百分比。这里让读取层与
+/// 调度侧、文本侧使用同一口径，避免三处状态互相矛盾。
+fn normalize_expired_codex_quota_windows(
+    snapshot: &mut serde_json::Map<String, Value>,
+    provider_type: &str,
+) {
+    if !provider_type.trim().eq_ignore_ascii_case("codex") {
+        return;
+    }
+    let Some(quota) = snapshot.get_mut("quota").and_then(Value::as_object_mut) else {
+        return;
+    };
+    let now_unix_secs = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .ok()
+        .map(|duration| duration.as_secs())
+        .unwrap_or(0);
+    let fallback_observed_at = provider_quota_timestamp_unix_secs(quota.get("observed_at"))
+        .or_else(|| provider_quota_timestamp_unix_secs(quota.get("updated_at")));
+    let Some(windows) = quota.get_mut("windows").and_then(Value::as_array_mut) else {
+        return;
+    };
+
+    for window in windows.iter_mut().filter_map(Value::as_object_mut) {
+        // 与同类 Codex 窗口处理保持一致：window_minutes=0 不是真实配额窗口。
+        if window.get("window_minutes").and_then(Value::as_u64) == Some(0) {
+            continue;
+        }
+        if !aether_provider_pool::provider_pool_reset_deadline_elapsed(
+            window,
+            fallback_observed_at,
+            now_unix_secs,
+        ) {
+            continue;
+        }
+        // 只归一化带用量观测的窗口，避免把没有观测数据的窗口凭空显示成 100%。
+        let has_usage_observation = ["used_ratio", "remaining_ratio"]
+            .into_iter()
+            .any(|field| window.get(field).is_some_and(Value::is_number));
+        if !has_usage_observation {
+            continue;
+        }
+        window.insert("used_ratio".to_string(), json!(0.0));
+        window.insert("remaining_ratio".to_string(), json!(1.0));
+        // 同步清掉窗口级耗尽标记，避免展示与调度口径互相矛盾。
+        for field in ["is_exhausted", "exhausted"] {
+            if let Some(slot) = window.get_mut(field) {
+                *slot = json!(false);
+            }
+        }
+    }
+}
+
 pub(crate) fn provider_key_status_snapshot_payload(
     key: &StoredProviderCatalogKey,
     provider_type: &str,
@@ -2626,6 +2683,9 @@ pub(crate) fn provider_key_status_snapshot_payload(
             }
         }
     }
+    // 读取时归一化已到期的 Codex 配额窗口，保证列表进度条与调度侧、
+    // 账号额度文本使用同一“已重置”口径。
+    normalize_expired_codex_quota_windows(&mut snapshot, provider_type);
     snapshot.insert(
         "oauth".to_string(),
         build_provider_key_oauth_status_snapshot(key),
@@ -3674,6 +3734,153 @@ mod tests {
         assert_eq!(window.get("reset_seconds"), Some(&json!(3_600u64)));
     }
 
+    #[test]
+    fn provider_key_status_snapshot_payload_normalizes_expired_codex_quota_windows() {
+        let mut key = sample_catalog_key();
+        key.status_snapshot = Some(json!({
+            "quota": {
+                "version": 2,
+                "provider_type": "codex",
+                "code": "ok",
+                "exhausted": false,
+                "updated_at": 1_700_000_000u64,
+                "windows": [
+                    {
+                        "code": "5h",
+                        "label": "5H",
+                        "scope": "account",
+                        "unit": "percent",
+                        "used_ratio": 0.88,
+                        "remaining_ratio": 0.12,
+                        "reset_at": 1_700_003_600u64,
+                        "window_minutes": 300
+                    },
+                    {
+                        "code": "weekly",
+                        "label": "周",
+                        "scope": "account",
+                        "unit": "percent",
+                        "used_ratio": 0.5,
+                        "remaining_ratio": 0.5,
+                        "reset_at": 2_000_000_000u64,
+                        "window_minutes": 10_080
+                    },
+                    {
+                        "code": "spark_5h",
+                        "label": "Spark 5H",
+                        "scope": "account",
+                        "unit": "percent",
+                        "reset_at": 1_700_003_600u64,
+                        "window_minutes": 300
+                    },
+                    {
+                        "code": "unlimited",
+                        "label": "无限",
+                        "scope": "account",
+                        "unit": "percent",
+                        "used_ratio": 0.3,
+                        "remaining_ratio": 0.7,
+                        "reset_at": 1_700_003_600u64,
+                        "window_minutes": 0
+                    }
+                ]
+            }
+        }));
+
+        let payload = provider_key_status_snapshot_payload(&key, "codex");
+
+        // 已到期的窗口按“已重置”口径归一化：用量清零、剩余 100%。
+        assert_eq!(payload.pointer("/quota/windows/0/code"), Some(&json!("5h")));
+        assert_eq!(
+            payload.pointer("/quota/windows/0/used_ratio"),
+            Some(&json!(0.0))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/0/remaining_ratio"),
+            Some(&json!(1.0))
+        );
+        // 未到期的窗口保留原始观测值。
+        assert_eq!(
+            payload.pointer("/quota/windows/1/code"),
+            Some(&json!("weekly"))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/1/used_ratio"),
+            Some(&json!(0.5))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/1/remaining_ratio"),
+            Some(&json!(0.5))
+        );
+        // 没有用量观测的窗口不会被凭空补成 100%。
+        assert_eq!(
+            payload.pointer("/quota/windows/2/code"),
+            Some(&json!("spark_5h"))
+        );
+        assert_eq!(payload.pointer("/quota/windows/2/used_ratio"), None);
+        assert_eq!(payload.pointer("/quota/windows/2/remaining_ratio"), None);
+        // window_minutes=0 不是真实配额窗口，与同类 Codex 窗口处理保持一致，不归一化。
+        assert_eq!(
+            payload.pointer("/quota/windows/3/code"),
+            Some(&json!("unlimited"))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/3/used_ratio"),
+            Some(&json!(0.3))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/3/remaining_ratio"),
+            Some(&json!(0.7))
+        );
+    }
+
+    #[test]
+    fn provider_key_status_snapshot_payload_clears_expired_codex_window_exhausted_state() {
+        let mut key = sample_catalog_key();
+        key.status_snapshot = Some(json!({
+            "quota": {
+                "version": 2,
+                "provider_type": "codex",
+                "code": "exhausted",
+                "exhausted": true,
+                "usage_ratio": 1.0,
+                "updated_at": 1_700_000_000u64,
+                "windows": [
+                    {
+                        "code": "weekly",
+                        "label": "周",
+                        "scope": "account",
+                        "unit": "percent",
+                        "used_ratio": 1.0,
+                        "remaining_ratio": 0.0,
+                        "reset_at": 1_700_003_600u64,
+                        "window_minutes": 10_080,
+                        "is_exhausted": true
+                    }
+                ]
+            }
+        }));
+
+        let payload = provider_key_status_snapshot_payload(&key, "codex");
+
+        // 汇总标志沿用既有调度口径（窗口已到期 → 不再视为耗尽）。
+        assert_eq!(payload.pointer("/quota/exhausted"), Some(&json!(false)));
+        assert_eq!(payload.pointer("/quota/code"), Some(&json!("ok")));
+        // 窗口级耗尽标记与剩余比例同步归一化。
+        assert_eq!(
+            payload.pointer("/quota/windows/0/is_exhausted"),
+            Some(&json!(false))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/0/used_ratio"),
+            Some(&json!(0.0))
+        );
+        assert_eq!(
+            payload.pointer("/quota/windows/0/remaining_ratio"),
+            Some(&json!(1.0))
+        );
+    }
+
     #[test]
     fn provider_key_status_snapshot_payload_backfills_chatgpt_web_image_quota() {
         let mut key = sample_catalog_key();
diff --git a/crates/aether-provider/pool/src/lib.rs b/crates/aether-provider/pool/src/lib.rs
index 088987fff..31af87ddd 100644
--- a/crates/aether-provider/pool/src/lib.rs
+++ b/crates/aether-provider/pool/src/lib.rs
@@ -43,7 +43,7 @@ pub use quota::{
     provider_pool_key_model_quota_hard_blocked, provider_pool_key_quota_hard_blocked,
     provider_pool_key_scheduling_label, provider_pool_member_quota_snapshot,
     provider_pool_quota_metadata_provider_type, provider_pool_quota_metadata_updated_at,
-    provider_pool_quota_snapshot_updated_at,
+    provider_pool_quota_snapshot_updated_at, provider_pool_reset_deadline_elapsed,
 };
 pub use quota_refresh::ProviderPoolQuotaRequestSpec;
 pub use service::ProviderPoolService;
diff --git a/crates/aether-provider/pool/src/quota.rs b/crates/aether-provider/pool/src/quota.rs
index af49f3f63..ed01af2f9 100644
--- a/crates/aether-provider/pool/src/quota.rs
+++ b/crates/aether-provider/pool/src/quota.rs
@@ -857,7 +857,14 @@ fn provider_pool_reset_deadline_unix_secs(
         })
 }
 
-pub(crate) fn provider_pool_reset_deadline_elapsed(
+/// Whether the quota window's reset deadline has already passed.
+///
+/// The deadline is taken from `reset_at`/`next_reset_at` when present, otherwise
+/// derived from `reset_seconds`/`reset_after_seconds` anchored at the window (or
+/// fallback) observation time. Scheduling ignores exhausted windows once this is
+/// true; read paths can reuse the same predicate so the displayed quota matches
+/// the scheduling decision after a reset.
+pub fn provider_pool_reset_deadline_elapsed(
     item: &Map<String, Value>,
     fallback_observed_at: Option<u64>,
     now_unix_secs: u64,
diff --git a/frontend/src/views/admin/PoolManagement.vue b/frontend/src/views/admin/PoolManagement.vue
index 17a8bf2b4..40bcc73a0 100644
--- a/frontend/src/views/admin/PoolManagement.vue
+++ b/frontend/src/views/admin/PoolManagement.vue
@@ -2061,17 +2061,23 @@ const quotaProgressMap = computed<Record<string, QuotaProgressItem[]>>(() => {
 const quotaProgressDisplayMap = computed<Record<string, QuotaProgressDisplayItem[]>>(() => {
   const map: Record<string, QuotaProgressDisplayItem[]> = {}
   for (const key of keyPage.value.keys) {
-    map[key.key_id] = (quotaProgressMap.value[key.key_id] || []).map(item => ({
-      label: getQuotaProgressLabel(item.label),
-      remainingPercent: item.remainingPercent,
-      resetText: getQuotaProgressResetDisplayText(item),
-      meterText: item.numericOnly
-        ? item.detail || formatQuotaValue(item.remainingPercent)
-        : getQuotaProgressMeterDisplayText(item),
-      barClass: getQuotaRemainingBarColorByRemaining(item.remainingPercent),
-      meterClass: getQuotaRemainingClassByRemaining(item.remainingPercent),
-      numericOnly: item.numericOnly,
-    }))
+    map[key.key_id] = (quotaProgressMap.value[key.key_id] || []).map(item => {
+      // 倒计时归零表示窗口已越过重置时间点：按“已重置”展示 100%，
+      // 不再显示重置前的旧用量文本，与后端读取口径、调度口径保持一致。
+      const expired = !item.numericOnly && getQuotaProgressCountdown(item)?.isExpired === true
+      const remainingPercent = expired ? 100 : item.remainingPercent
+      return {
+        label: getQuotaProgressLabel(item.label),
+        remainingPercent,
+        resetText: getQuotaProgressResetDisplayText(item),
+        meterText: item.numericOnly
+          ? item.detail || formatQuotaValue(remainingPercent)
+          : getQuotaProgressMeterDisplayText(item, remainingPercent, expired),
+        barClass: getQuotaRemainingBarColorByRemaining(remainingPercent),
+        meterClass: getQuotaRemainingClassByRemaining(remainingPercent),
+        numericOnly: item.numericOnly,
+      }
+    })
   }
   return map
 })
@@ -3544,10 +3550,15 @@ function getQuotaProgressResetDisplayText(item: QuotaProgressItem): string {
   return ''
 }
 
-function getQuotaProgressMeterDisplayText(item: QuotaProgressItem): string {
-  const detail = item.detail?.trim() || ''
+function getQuotaProgressMeterDisplayText(
+  item: QuotaProgressItem,
+  remainingPercent = item.remainingPercent,
+  suppressDetail = false,
+): string {
+  // 窗口已重置时忽略重置前的旧用量文本，直接显示归一化后的剩余百分比。
+  const detail = suppressDetail ? '' : (item.detail?.trim() || '')
   if (!shouldHideQuotaProgressDetailText(detail) && detail) return detail
-  return `${item.remainingPercent.toFixed(1)}%`
+  return `${remainingPercent.toFixed(1)}%`
 }
 
 function getQuotaFallbackText(key: PoolKeyDetail): string | null {
diff --git a/frontend/src/views/admin/__tests__/PoolManagement.codex-cycle-stats.spec.ts b/frontend/src/views/admin/__tests__/PoolManagement.codex-cycle-stats.spec.ts
index 2f7991b57..23ee031ce 100644
--- a/frontend/src/views/admin/__tests__/PoolManagement.codex-cycle-stats.spec.ts
+++ b/frontend/src/views/admin/__tests__/PoolManagement.codex-cycle-stats.spec.ts
@@ -35,6 +35,10 @@ const routeMocks = vi.hoisted(() => ({
   }),
 }))
 
+const countdownMocks = vi.hoisted(() => ({
+  isExpired: false,
+}))
+
 const proxyStoreMocks = vi.hoisted(() => ({
   ensureLoaded: vi.fn(),
 }))
@@ -106,7 +110,7 @@ vi.mock('@/composables/useCountdownTimer', async () => {
       start: vi.fn(),
     }),
     getCodexResetCountdown: () => ({
-      isExpired: false,
+      isExpired: countdownMocks.isExpired,
       text: '1h',
     }),
   }
@@ -604,6 +608,7 @@ beforeEach(() => {
   window.sessionStorage.clear()
   routeMocks.patchQuery.mockClear()
   proxyStoreMocks.ensureLoaded.mockClear()
+  countdownMocks.isExpired = false
 
   endpointMocks.getPoolOverview.mockReset()
   endpointMocks.getPoolSchedulingPresets.mockReset()
@@ -736,6 +741,44 @@ describe('PoolManagement Codex cycle stats mode', () => {
     expect(root.textContent).toContain('生图')
   })
 
+  it('shows expired Codex quota windows as fully restored', async () => {
+    countdownMocks.isExpired = true
+    const expiredKey = createPoolKey('codex', {
+      status_snapshot: {
+        oauth: { code: 'valid' },
+        account: { code: 'ok', blocked: false },
+        quota: {
+          code: 'ok',
+          exhausted: false,
+          provider_type: 'codex',
+          windows: [
+            {
+              code: '5h',
+              label: '5H',
+              scope: 'account',
+              remaining_ratio: 0.12,
+              reset_at: 1_700_000_000,
+              window_minutes: 300,
+            },
+          ],
+        },
+      },
+    })
+    endpointMocks.getPoolOverview.mockResolvedValue({ items: [createOverview('codex')] })
+    endpointMocks.listPoolKeys.mockResolvedValue(createKeyPage(expiredKey))
+    endpointMocks.getProvider.mockResolvedValue(createProvider('codex'))
+
+    const root = mountPoolManagement()
+    await settle()
+
+    // 倒计时归零后进度条与文本按“已重置”显示 100%，不再显示旧百分比。
+    expect(root.querySelector('[data-testid="pool-quota-meter-text"]')?.textContent?.trim()).toBe('100.0%')
+    const track = root.querySelector('[data-testid="pool-quota-progress-track"]')
+    const bar = track?.firstElementChild as HTMLElement | null
+    expect(bar?.style.width).toBe('100%')
+    expect(root.querySelector('[data-testid="pool-quota-reset-text"]')).toBeNull()
+  })
+
   it('labels Codex quota by the actual refresh window duration', async () => {
     const monthlyCodexKey = createPoolKey('codex', {
       status_snapshot: {