diff --git a/package.json b/package.json
index 2ce978f..52b65e3 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
+    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives",
     "format": "prettier --write \"src/**/*.{ts,tsx,css,scss}\"",
     "type-check": "tsc --noEmit"
   },
diff --git a/src/components/common/PageTransition.tsx b/src/components/common/PageTransition.tsx
index 83b9e90..1da4636 100644
--- a/src/components/common/PageTransition.tsx
+++ b/src/components/common/PageTransition.tsx
@@ -70,17 +70,27 @@ export function PageTransition({
         : toIndex > fromIndex
           ? 'forward'
           : 'backward';
-    setTransitionDirection(nextDirection);
-    setLayers((prev) => {
-      const prevCurrent = prev[prev.length - 1];
-      return [
-        prevCurrent
-          ? { ...prevCurrent, status: 'exiting' }
-          : { key: location.key, location, status: 'exiting' },
-        { key: location.key, location, status: 'current' },
-      ];
+
+    let cancelled = false;
+
+    queueMicrotask(() => {
+      if (cancelled) return;
+      setTransitionDirection(nextDirection);
+      setLayers((prev) => {
+        const prevCurrent = prev[prev.length - 1];
+        return [
+          prevCurrent
+            ? { ...prevCurrent, status: 'exiting' }
+            : { key: location.key, location, status: 'exiting' },
+          { key: location.key, location, status: 'current' },
+        ];
+      });
+      setIsAnimating(true);
     });
-    setIsAnimating(true);
+
+    return () => {
+      cancelled = true;
+    };
   }, [
     isAnimating,
     location,
diff --git a/src/components/quota/QuotaSection.tsx b/src/components/quota/QuotaSection.tsx
index 98c7d4e..377285c 100644
--- a/src/components/quota/QuotaSection.tsx
+++ b/src/components/quota/QuotaSection.tsx
@@ -2,28 +2,29 @@
  * Generic quota section component.
  */
 
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Card } from '@/components/ui/Card';
 import { Button } from '@/components/ui/Button';
 import { EmptyState } from '@/components/ui/EmptyState';
+import { triggerHeaderRefresh } from '@/hooks/useHeaderRefresh';
 import { useQuotaStore, useThemeStore } from '@/stores';
 import type { AuthFileItem, ResolvedTheme } from '@/types';
 import { QuotaCard } from './QuotaCard';
 import type { QuotaStatusState } from './QuotaCard';
 import { useQuotaLoader } from './useQuotaLoader';
 import type { QuotaConfig } from './quotaConfigs';
+import { useGridColumns } from './useGridColumns';
+import { IconRefreshCw } from '@/components/ui/icons';
 import styles from '@/pages/QuotaPage.module.scss';
 
 type QuotaUpdater<T> = T | ((prev: T) => T);
 
 type QuotaSetter<T> = (updater: QuotaUpdater<T>) => void;
 
-const MIN_CARD_PAGE_SIZE = 3;
-const MAX_CARD_PAGE_SIZE = 30;
+type ViewMode = 'paged' | 'all';
 
-const clampCardPageSize = (value: number) =>
-  Math.min(MAX_CARD_PAGE_SIZE, Math.max(MIN_CARD_PAGE_SIZE, Math.round(value)));
+const MAX_SHOW_ALL_THRESHOLD = 30;
 
 interface QuotaPaginationState<T> {
   pageSize: number;
@@ -40,7 +41,7 @@ interface QuotaPaginationState<T> {
 
 const useQuotaPagination = <T,>(items: T[], defaultPageSize = 6): QuotaPaginationState<T> => {
   const [page, setPage] = useState(1);
-  const [pageSize, setPageSizeState] = useState(() => clampCardPageSize(defaultPageSize));
+  const [pageSize, setPageSizeState] = useState(defaultPageSize);
   const [loading, setLoadingState] = useState(false);
   const [loadingScope, setLoadingScope] = useState<'page' | 'all' | null>(null);
 
@@ -57,7 +58,7 @@ const useQuotaPagination = <T,>(items: T[], defaultPageSize = 6): QuotaPaginatio
   }, [items, currentPage, pageSize]);
 
   const setPageSize = useCallback((size: number) => {
-    setPageSizeState(clampCardPageSize(size));
+    setPageSizeState(size);
     setPage(1);
   }, []);
 
@@ -107,10 +108,17 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
     Record<string, TState>
   >;
 
+  /* Removed useRef */
+  const [columns, gridRef] = useGridColumns(380); // Min card width 380px matches SCSS
+  const [viewMode, setViewMode] = useState<ViewMode>('paged');
+  const [showTooManyWarning, setShowTooManyWarning] = useState(false);
+
   const filteredFiles = useMemo(() => files.filter((file) => config.filterFn(file)), [
     files,
-    config.filterFn
+    config
   ]);
+  const showAllAllowed = filteredFiles.length <= MAX_SHOW_ALL_THRESHOLD;
+  const effectiveViewMode: ViewMode = viewMode === 'all' && !showAllAllowed ? 'paged' : viewMode;
 
   const {
     pageSize,
@@ -121,19 +129,59 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
     goToPrev,
     goToNext,
     loading: sectionLoading,
-    loadingScope,
     setLoading
   } = useQuotaPagination(filteredFiles);
 
+  useEffect(() => {
+    if (showAllAllowed) return;
+    if (viewMode !== 'all') return;
+
+    let cancelled = false;
+    queueMicrotask(() => {
+      if (cancelled) return;
+      setViewMode('paged');
+      setShowTooManyWarning(true);
+    });
+
+    return () => {
+      cancelled = true;
+    };
+  }, [showAllAllowed, viewMode]);
+
+  // Update page size based on view mode and columns
+  useEffect(() => {
+    if (effectiveViewMode === 'all') {
+      setPageSize(Math.max(1, filteredFiles.length));
+    } else {
+      // Paged mode: 3 rows * columns
+      setPageSize(columns * 3);
+    }
+  }, [effectiveViewMode, columns, filteredFiles.length, setPageSize]);
+
   const { quota, loadQuota } = useQuotaLoader(config);
 
-  const handleRefreshPage = useCallback(() => {
-    loadQuota(pageItems, 'page', setLoading);
-  }, [loadQuota, pageItems, setLoading]);
+  const pendingQuotaRefreshRef = useRef(false);
+  const prevFilesLoadingRef = useRef(loading);
 
-  const handleRefreshAll = useCallback(() => {
-    loadQuota(filteredFiles, 'all', setLoading);
-  }, [loadQuota, filteredFiles, setLoading]);
+  const handleRefresh = useCallback(() => {
+    pendingQuotaRefreshRef.current = true;
+    void triggerHeaderRefresh();
+  }, []);
+
+  useEffect(() => {
+    const wasLoading = prevFilesLoadingRef.current;
+    prevFilesLoadingRef.current = loading;
+
+    if (!pendingQuotaRefreshRef.current) return;
+    if (loading) return;
+    if (!wasLoading) return;
+
+    pendingQuotaRefreshRef.current = false;
+    const scope = effectiveViewMode === 'all' ? 'all' : 'page';
+    const targets = effectiveViewMode === 'all' ? filteredFiles : pageItems;
+    if (targets.length === 0) return;
+    loadQuota(targets, scope, setLoading);
+  }, [loading, effectiveViewMode, filteredFiles, pageItems, loadQuota, setLoading]);
 
   useEffect(() => {
     if (loading) return;
@@ -153,28 +201,56 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
     });
   }, [filteredFiles, loading, setQuota]);
 
+  const titleNode = (
+    <div className={styles.titleWrapper}>
+      <span>{t(`${config.i18nPrefix}.title`)}</span>
+      {filteredFiles.length > 0 && (
+        <span className={styles.countBadge}>
+          {filteredFiles.length}
+        </span>
+      )}
+    </div>
+  );
+
+  const isRefreshing = sectionLoading || loading;
+
   return (
     <Card
-      title={t(`${config.i18nPrefix}.title`)}
+      title={titleNode}
       extra={
         <div className={styles.headerActions}>
+          <div className={styles.viewModeToggle}>
+            <Button
+              variant={effectiveViewMode === 'paged' ? 'primary' : 'secondary'}
+              size="sm"
+              onClick={() => setViewMode('paged')}
+            >
+              {t('auth_files.view_mode_paged')}
+            </Button>
+            <Button
+              variant={effectiveViewMode === 'all' ? 'primary' : 'secondary'}
+              size="sm"
+              onClick={() => {
+                if (filteredFiles.length > MAX_SHOW_ALL_THRESHOLD) {
+                  setShowTooManyWarning(true);
+                } else {
+                  setViewMode('all');
+                }
+              }}
+            >
+              {t('auth_files.view_mode_all')}
+            </Button>
+          </div>
           <Button
             variant="secondary"
             size="sm"
-            onClick={handleRefreshPage}
-            disabled={disabled || sectionLoading || pageItems.length === 0}
-            loading={sectionLoading && loadingScope === 'page'}
+            onClick={handleRefresh}
+            disabled={disabled || isRefreshing}
+            loading={isRefreshing}
+            title={t('quota_management.refresh_files_and_quota')}
+            aria-label={t('quota_management.refresh_files_and_quota')}
           >
-            {t(`${config.i18nPrefix}.refresh_button`)}
-          </Button>
-          <Button
-            variant="secondary"
-            size="sm"
-            onClick={handleRefreshAll}
-            disabled={disabled || sectionLoading || filteredFiles.length === 0}
-            loading={sectionLoading && loadingScope === 'all'}
-          >
-            {t(`${config.i18nPrefix}.fetch_all`)}
+            {!isRefreshing && <IconRefreshCw size={16} />}
           </Button>
         </div>
       }
@@ -186,31 +262,7 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
         />
       ) : (
         <>
-          <div className={config.controlsClassName}>
-            <div className={config.controlClassName}>
-              <label>{t('auth_files.page_size_label')}</label>
-              <input
-                className={styles.pageSizeSelect}
-                type="number"
-                min={MIN_CARD_PAGE_SIZE}
-                max={MAX_CARD_PAGE_SIZE}
-                step={1}
-                value={pageSize}
-                onChange={(e) => {
-                  const value = e.currentTarget.valueAsNumber;
-                  if (!Number.isFinite(value)) return;
-                  setPageSize(value);
-                }}
-              />
-            </div>
-            <div className={config.controlClassName}>
-              <label>{t('common.info')}</label>
-              <div className={styles.statsInfo}>
-                {filteredFiles.length} {t('auth_files.files_count')}
-              </div>
-            </div>
-          </div>
-          <div className={config.gridClassName}>
+          <div ref={gridRef} className={config.gridClassName}>
             {pageItems.map((item) => (
               <QuotaCard
                 key={item.name}
@@ -224,7 +276,7 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
               />
             ))}
           </div>
-          {filteredFiles.length > pageSize && (
+          {filteredFiles.length > pageSize && effectiveViewMode === 'paged' && (
             <div className={styles.pagination}>
               <Button
                 variant="secondary"
@@ -253,6 +305,16 @@ export function QuotaSection<TState extends QuotaStatusState, TData>({
           )}
         </>
       )}
+      {showTooManyWarning && (
+        <div className={styles.warningOverlay} onClick={() => setShowTooManyWarning(false)}>
+          <div className={styles.warningModal} onClick={(e) => e.stopPropagation()}>
+            <p>{t('auth_files.too_many_files_warning')}</p>
+            <Button variant="primary" size="sm" onClick={() => setShowTooManyWarning(false)}>
+              {t('common.confirm')}
+            </Button>
+          </div>
+        </div>
+      )}
     </Card>
   );
 }
diff --git a/src/components/quota/useGridColumns.ts b/src/components/quota/useGridColumns.ts
new file mode 100644
index 0000000..206ccd8
--- /dev/null
+++ b/src/components/quota/useGridColumns.ts
@@ -0,0 +1,40 @@
+import { useState, useEffect, useCallback } from 'react';
+
+/**
+ * Hook to calculate the number of grid columns based on container width and item min-width.
+ * Returns [columns, refCallback].
+ */
+export function useGridColumns(
+    itemMinWidth: number,
+    gap: number = 16
+): [number, (node: HTMLDivElement | null) => void] {
+    const [columns, setColumns] = useState(1);
+    const [element, setElement] = useState<HTMLDivElement | null>(null);
+
+    const refCallback = useCallback((node: HTMLDivElement | null) => {
+        setElement(node);
+    }, []);
+
+    useEffect(() => {
+        if (!element) return;
+
+        const updateColumns = () => {
+            const containerWidth = element.clientWidth;
+            const effectiveItemWidth = itemMinWidth + gap;
+            const count = Math.floor((containerWidth + gap) / effectiveItemWidth);
+            setColumns(Math.max(1, count));
+        };
+
+        updateColumns();
+
+        const observer = new ResizeObserver(() => {
+            updateColumns();
+        });
+
+        observer.observe(element);
+
+        return () => observer.disconnect();
+    }, [element, itemMinWidth, gap]);
+
+    return [columns, refCallback];
+}
diff --git a/src/components/ui/Button.tsx b/src/components/ui/Button.tsx
index 00d71a9..d4f3dc0 100644
--- a/src/components/ui/Button.tsx
+++ b/src/components/ui/Button.tsx
@@ -20,6 +20,7 @@ export function Button({
   disabled,
   ...rest
 }: PropsWithChildren<ButtonProps>) {
+  const hasChildren = children !== null && children !== undefined && children !== false;
   const classes = [
     'btn',
     `btn-${variant}`,
@@ -33,7 +34,7 @@ export function Button({
   return (
     <button className={classes} disabled={disabled || loading} {...rest}>
       {loading && <span className="loading-spinner" aria-hidden="true" />}
-      <span>{children}</span>
+      {hasChildren && <span>{children}</span>}
     </button>
   );
 }
diff --git a/src/components/ui/Modal.tsx b/src/components/ui/Modal.tsx
index 97d7a75..8282918 100644
--- a/src/components/ui/Modal.tsx
+++ b/src/components/ui/Modal.tsx
@@ -54,19 +54,28 @@ export function Modal({ open, title, onClose, footer, width = 520, children }: P
   );
 
   useEffect(() => {
+    let cancelled = false;
+
     if (open) {
       if (closeTimerRef.current !== null) {
         window.clearTimeout(closeTimerRef.current);
         closeTimerRef.current = null;
       }
-      setIsVisible(true);
-      setIsClosing(false);
-      return;
+      queueMicrotask(() => {
+        if (cancelled) return;
+        setIsVisible(true);
+        setIsClosing(false);
+      });
+    } else if (isVisible) {
+      queueMicrotask(() => {
+        if (cancelled) return;
+        startClose(false);
+      });
     }
 
-    if (isVisible) {
-      startClose(false);
-    }
+    return () => {
+      cancelled = true;
+    };
   }, [open, isVisible, startClose]);
 
   const handleClose = useCallback(() => {
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 4728ba8..7c1fc43 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -328,6 +328,9 @@
     "search_placeholder": "Filter by name, type, or provider",
     "page_size_label": "Per page",
     "page_size_unit": "items",
+    "view_mode_paged": "Paged",
+    "view_mode_all": "Show all",
+    "too_many_files_warning": "Too many credentials. Showing all may cause performance issues, please use paged view.",
     "filter_all": "All",
     "filter_qwen": "Qwen",
     "filter_gemini": "Gemini",
@@ -710,7 +713,8 @@
   "quota_management": {
     "title": "Quota Management",
     "description": "Monitor OAuth quota status for Antigravity, Codex, and Gemini CLI credentials.",
-    "refresh_files": "Refresh auth files"
+    "refresh_files": "Refresh auth files",
+    "refresh_files_and_quota": "Refresh files & quota"
   },
   "system_info": {
     "title": "Management Center Info",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index 23d52ce..f5f286a 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -328,6 +328,9 @@
     "search_placeholder": "输入名称、类型或提供方关键字",
     "page_size_label": "单页数量",
     "page_size_unit": "个/页",
+    "view_mode_paged": "按页显示",
+    "view_mode_all": "显示全部",
+    "too_many_files_warning": "您的凭证总数过多，全部加载会导致页面卡顿，请保持单页浏览。",
     "filter_all": "全部",
     "filter_qwen": "Qwen",
     "filter_gemini": "Gemini",
@@ -710,7 +713,8 @@
   "quota_management": {
     "title": "配额管理",
     "description": "集中查看 OAuth 额度与剩余情况",
-    "refresh_files": "刷新认证文件"
+    "refresh_files": "刷新认证文件",
+    "refresh_files_and_quota": "刷新认证文件&额度"
   },
   "system_info": {
     "title": "管理中心信息",
diff --git a/src/pages/QuotaPage.module.scss b/src/pages/QuotaPage.module.scss
index 46857b3..5d52e9a 100644
--- a/src/pages/QuotaPage.module.scss
+++ b/src/pages/QuotaPage.module.scss
@@ -30,6 +30,36 @@
   display: flex;
   gap: $spacing-sm;
   flex-wrap: wrap;
+  align-items: center;
+
+  :global(.btn-sm) {
+    line-height: 16px;
+  }
+
+  :global(svg) {
+    display: block;
+  }
+}
+
+.titleWrapper {
+  display: flex;
+  align-items: center;
+  gap: $spacing-sm;
+}
+
+.countBadge {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  height: 24px;
+  min-width: 24px;
+  padding: 0 8px;
+  border-radius: 999px;
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--count-badge-text);
+  background-color: var(--count-badge-bg);
+  box-sizing: border-box;
 }
 
 .errorBox {
@@ -76,11 +106,7 @@
 .geminiCliGrid {
   display: grid;
   gap: $spacing-md;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
-
-  @include tablet {
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-  }
+  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
 
   @include mobile {
     grid-template-columns: 1fr;
@@ -112,28 +138,28 @@
   }
 }
 
+.viewModeToggle {
+  display: flex;
+  gap: $spacing-xs;
+  align-items: center;
+}
+
 .antigravityCard {
-  background-image: linear-gradient(
-    180deg,
-    rgba(224, 247, 250, 0.12),
-    rgba(224, 247, 250, 0)
-  );
+  background-image: linear-gradient(180deg,
+      rgba(224, 247, 250, 0.12),
+      rgba(224, 247, 250, 0));
 }
 
 .codexCard {
-  background-image: linear-gradient(
-    180deg,
-    rgba(255, 243, 224, 0.18),
-    rgba(255, 243, 224, 0)
-  );
+  background-image: linear-gradient(180deg,
+      rgba(255, 243, 224, 0.18),
+      rgba(255, 243, 224, 0));
 }
 
 .geminiCliCard {
-  background-image: linear-gradient(
-    180deg,
-    rgba(231, 239, 255, 0.2),
-    rgba(231, 239, 255, 0)
-  );
+  background-image: linear-gradient(180deg,
+      rgba(231, 239, 255, 0.2),
+      rgba(231, 239, 255, 0));
 }
 
 .quotaSection {
@@ -331,3 +357,32 @@
   background-color: var(--bg-secondary);
   border-radius: $radius-md;
 }
+
+.warningOverlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.warningModal {
+  background-color: var(--bg-primary);
+  border-radius: $radius-lg;
+  padding: $spacing-lg;
+  max-width: 400px;
+  text-align: center;
+  box-shadow: $shadow-lg;
+
+  p {
+    margin: 0 0 $spacing-md 0;
+    color: var(--text-primary);
+    font-size: 14px;
+    line-height: 1.6;
+  }
+}
diff --git a/src/styles/themes.scss b/src/styles/themes.scss
index 65dde1f..1892763 100644
--- a/src/styles/themes.scss
+++ b/src/styles/themes.scss
@@ -32,6 +32,9 @@
   --failure-badge-text: #991b1b;
   --failure-badge-border: #fca5a5;
 
+  --count-badge-bg: rgba(59, 130, 246, 0.14);
+  --count-badge-text: var(--primary-active);
+
   --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
   --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
 }
@@ -66,6 +69,9 @@
   --failure-badge-text: #fca5a5;
   --failure-badge-border: #dc2626;
 
+  --count-badge-bg: rgba(59, 130, 246, 0.25);
+  --count-badge-text: var(--primary-active);
+
   --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3);
   --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
 }