diff --git a/src/features/authFiles/components/AuthFileCard.tsx b/src/features/authFiles/components/AuthFileCard.tsx
index 75665a5..142a278 100644
--- a/src/features/authFiles/components/AuthFileCard.tsx
+++ b/src/features/authFiles/components/AuthFileCard.tsx
@@ -3,13 +3,7 @@ import { Button } from '@/components/ui/Button';
 import { LoadingSpinner } from '@/components/ui/LoadingSpinner';
 import { SelectionCheckbox } from '@/components/ui/SelectionCheckbox';
 import { ToggleSwitch } from '@/components/ui/ToggleSwitch';
-import {
-  IconBot,
-  IconCode,
-  IconDownload,
-  IconInfo,
-  IconTrash2,
-} from '@/components/ui/icons';
+import { IconBot, IconDownload, IconSettings, IconTrash2 } from '@/components/ui/icons';
 import { ProviderStatusBar } from '@/components/providers/ProviderStatusBar';
 import type { AuthFileItem } from '@/types';
 import { resolveAuthProvider } from '@/utils/quota';
@@ -44,7 +38,6 @@ export type AuthFileCardProps = {
   keyStats: KeyStats;
   statusBarCache: Map<string, AuthFileStatusBarData>;
   onShowModels: (file: AuthFileItem) => void;
-  onShowDetails: (file: AuthFileItem) => void;
   onDownload: (name: string) => void;
   onOpenPrefixProxyEditor: (file: AuthFileItem) => void;
   onDelete: (name: string) => void;
@@ -71,7 +64,6 @@ export function AuthFileCard(props: AuthFileCardProps) {
     keyStats,
     statusBarCache,
     onShowModels,
-    onShowDetails,
     onDownload,
     onOpenPrefixProxyEditor,
     onDelete,
@@ -95,13 +87,13 @@ export function AuthFileCard(props: AuthFileCardProps) {
       ? styles.antigravityCard
       : quotaType === 'claude'
         ? styles.claudeCard
-      : quotaType === 'codex'
-        ? styles.codexCard
-        : quotaType === 'gemini-cli'
-          ? styles.geminiCliCard
-          : quotaType === 'kimi'
-            ? styles.kimiCard
-            : '';
+        : quotaType === 'codex'
+          ? styles.codexCard
+          : quotaType === 'gemini-cli'
+            ? styles.geminiCliCard
+            : quotaType === 'kimi'
+              ? styles.kimiCard
+              : '';
 
   const rawAuthIndex = file['auth_index'] ?? file.authIndex;
   const authIndexKey = normalizeAuthIndex(rawAuthIndex);
@@ -153,7 +145,8 @@ export function AuthFileCard(props: AuthFileCardProps) {
             </span>
             {priorityValue !== undefined && (
               <span className={styles.priorityBadge}>
-                {t('auth_files.priority_display')}: <span className={styles.priorityValue}>{priorityValue}</span>
+                {t('auth_files.priority_display')}:{' '}
+                <span className={styles.priorityValue}>{priorityValue}</span>
               </span>
             )}
           </div>
@@ -205,16 +198,6 @@ export function AuthFileCard(props: AuthFileCardProps) {
             )}
             {!isRuntimeOnly && (
               <>
-                <Button
-                  variant="secondary"
-                  size="sm"
-                  onClick={() => onShowDetails(file)}
-                  className={styles.iconButton}
-                  title={t('common.info', { defaultValue: '关于' })}
-                  disabled={disableControls}
-                >
-                  <IconInfo className={styles.actionIcon} size={16} />
-                </Button>
                 <Button
                   variant="secondary"
                   size="sm"
@@ -233,7 +216,7 @@ export function AuthFileCard(props: AuthFileCardProps) {
                   title={t('auth_files.prefix_proxy_button')}
                   disabled={disableControls}
                 >
-                  <IconCode className={styles.actionIcon} size={16} />
+                  <IconSettings className={styles.actionIcon} size={16} />
                 </Button>
                 <Button
                   variant="danger"
diff --git a/src/features/authFiles/components/AuthFileDetailModal.tsx b/src/features/authFiles/components/AuthFileDetailModal.tsx
deleted file mode 100644
index b6012ba..0000000
--- a/src/features/authFiles/components/AuthFileDetailModal.tsx
+++ /dev/null
@@ -1,47 +0,0 @@
-import { useTranslation } from 'react-i18next';
-import { Modal } from '@/components/ui/Modal';
-import { Button } from '@/components/ui/Button';
-import type { AuthFileItem } from '@/types';
-import styles from '@/pages/AuthFilesPage.module.scss';
-
-export type AuthFileDetailModalProps = {
-  open: boolean;
-  file: AuthFileItem | null;
-  onClose: () => void;
-  onCopyText: (text: string) => void;
-};
-
-export function AuthFileDetailModal({ open, file, onClose, onCopyText }: AuthFileDetailModalProps) {
-  const { t } = useTranslation();
-
-  return (
-    <Modal
-      open={open}
-      onClose={onClose}
-      title={file?.name || t('auth_files.title_section')}
-      footer={
-        <>
-          <Button variant="secondary" onClick={onClose}>
-            {t('common.close')}
-          </Button>
-          <Button
-            onClick={() => {
-              if (!file) return;
-              const text = JSON.stringify(file, null, 2);
-              onCopyText(text);
-            }}
-          >
-            {t('common.copy')}
-          </Button>
-        </>
-      }
-    >
-      {file && (
-        <div className={styles.detailContent}>
-          <pre className={styles.jsonContent}>{JSON.stringify(file, null, 2)}</pre>
-        </div>
-      )}
-    </Modal>
-  );
-}
-
diff --git a/src/features/authFiles/components/AuthFilesPrefixProxyEditorModal.tsx b/src/features/authFiles/components/AuthFilesPrefixProxyEditorModal.tsx
index 3e68254..4a1c8b7 100644
--- a/src/features/authFiles/components/AuthFilesPrefixProxyEditorModal.tsx
+++ b/src/features/authFiles/components/AuthFilesPrefixProxyEditorModal.tsx
@@ -17,13 +17,24 @@ export type AuthFilesPrefixProxyEditorModalProps = {
   updatedText: string;
   dirty: boolean;
   onClose: () => void;
+  onCopyText: (text: string) => void | Promise<void>;
   onSave: () => void;
   onChange: (field: PrefixProxyEditorField, value: PrefixProxyEditorFieldValue) => void;
 };
 
 export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEditorModalProps) {
   const { t } = useTranslation();
-  const { disableControls, editor, updatedText, dirty, onClose, onSave, onChange } = props;
+  const { disableControls, editor, updatedText, dirty, onClose, onCopyText, onSave, onChange } =
+    props;
+  const formatJsonText = (text: string) => {
+    if (!text) return '';
+    try {
+      return JSON.stringify(JSON.parse(text), null, 2);
+    } catch {
+      return text;
+    }
+  };
+  const previewText = formatJsonText(updatedText);
 
   return (
     <Modal
@@ -39,7 +50,17 @@ export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEdito
       footer={
         <>
           <Button variant="secondary" onClick={onClose} disabled={editor?.saving === true}>
-            {t('common.cancel')}
+            {dirty ? t('common.cancel') : t('common.close')}
+          </Button>
+          <Button
+            variant="secondary"
+            onClick={() => {
+              if (!updatedText) return;
+              void onCopyText(updatedText);
+            }}
+            disabled={editor?.saving === true || !updatedText}
+          >
+            {t('common.copy')}
           </Button>
           <Button
             onClick={onSave}
@@ -61,6 +82,17 @@ export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEdito
           ) : (
             <>
               {editor.error && <div className={styles.prefixProxyError}>{editor.error}</div>}
+              <div className={styles.prefixProxyJsonWrapper}>
+                <label className={styles.prefixProxyLabel}>
+                  {t('auth_files.prefix_proxy_info_label')}
+                </label>
+                <textarea
+                  className={styles.prefixProxyTextarea}
+                  rows={8}
+                  readOnly
+                  value={editor.fileInfoText}
+                />
+              </div>
               <div className={styles.prefixProxyJsonWrapper}>
                 <label className={styles.prefixProxyLabel}>
                   {t('auth_files.prefix_proxy_source_label')}
@@ -69,7 +101,7 @@ export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEdito
                   className={styles.prefixProxyTextarea}
                   rows={10}
                   readOnly
-                  value={updatedText}
+                  value={previewText}
                 />
               </div>
               <div className={styles.prefixProxyFields}>
diff --git a/src/features/authFiles/hooks/useAuthFilesPrefixProxyEditor.ts b/src/features/authFiles/hooks/useAuthFilesPrefixProxyEditor.ts
index cf8a169..577b2ba 100644
--- a/src/features/authFiles/hooks/useAuthFilesPrefixProxyEditor.ts
+++ b/src/features/authFiles/hooks/useAuthFilesPrefixProxyEditor.ts
@@ -27,6 +27,7 @@ export type PrefixProxyEditorFieldValue = string | boolean;
 
 export type PrefixProxyEditorState = {
   fileName: string;
+  fileInfoText: string;
   isCodexFile: boolean;
   loading: boolean;
   saving: boolean;
@@ -54,7 +55,7 @@ export type UseAuthFilesPrefixProxyEditorResult = {
   prefixProxyEditor: PrefixProxyEditorState | null;
   prefixProxyUpdatedText: string;
   prefixProxyDirty: boolean;
-  openPrefixProxyEditor: (file: Pick<AuthFileItem, 'name' | 'type' | 'provider'>) => Promise<void>;
+  openPrefixProxyEditor: (file: AuthFileItem) => Promise<void>;
   closePrefixProxyEditor: () => void;
   handlePrefixProxyChange: (
     field: PrefixProxyEditorField,
@@ -127,7 +128,7 @@ export function useAuthFilesPrefixProxyEditor(
     setPrefixProxyEditor(null);
   };
 
-  const openPrefixProxyEditor = async (file: Pick<AuthFileItem, 'name' | 'type' | 'provider'>) => {
+  const openPrefixProxyEditor = async (file: AuthFileItem) => {
     const name = file.name;
     const normalizedType = String(file.type ?? '')
       .trim()
@@ -145,6 +146,7 @@ export function useAuthFilesPrefixProxyEditor(
 
     setPrefixProxyEditor({
       fileName: name,
+      fileInfoText: JSON.stringify(file, null, 2),
       isCodexFile,
       loading: true,
       saving: false,
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 16d6397..3714b14 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -552,9 +552,10 @@
     "batch_deselect": "Deselect",
     "batch_enable": "Enable",
     "batch_disable": "Disable",
-    "prefix_proxy_button": "Edit Auth Fields",
-    "auth_field_editor_title": "Edit Auth Fields - {{name}}",
+    "prefix_proxy_button": "Auth File Details / Edit",
+    "auth_field_editor_title": "Auth File Details / Edit - {{name}}",
     "prefix_proxy_loading": "Loading auth file...",
+    "prefix_proxy_info_label": "Auth file info (info)",
     "prefix_proxy_source_label": "Auth file JSON (preview)",
     "prefix_label": "Prefix (prefix)",
     "proxy_url_label": "Proxy URL (proxy_url)",
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index fb10005..d1b34bd 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -552,9 +552,10 @@
     "batch_deselect": "Отменить",
     "batch_enable": "Включить",
     "batch_disable": "Отключить",
-    "prefix_proxy_button": "Редактировать поля файла авторизации",
-    "auth_field_editor_title": "Редактировать поля файла авторизации - {{name}}",
+    "prefix_proxy_button": "Просмотр / редактирование файла авторизации",
+    "auth_field_editor_title": "Просмотр / редактирование файла авторизации - {{name}}",
     "prefix_proxy_loading": "Загрузка файла авторизации...",
+    "prefix_proxy_info_label": "Информация о файле авторизации (info)",
     "prefix_proxy_source_label": "JSON файла авторизации (предпросмотр)",
     "prefix_label": "Префикс (prefix)",
     "proxy_url_label": "URL прокси (proxy_url)",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index 0bf1b50..3428d10 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -552,9 +552,10 @@
     "batch_deselect": "取消选择",
     "batch_enable": "启用",
     "batch_disable": "禁用",
-    "prefix_proxy_button": "编辑认证文件字段",
-    "auth_field_editor_title": "编辑认证文件字段 - {{name}}",
+    "prefix_proxy_button": "认证文件详情 / 编辑",
+    "auth_field_editor_title": "认证文件详情 / 编辑 - {{name}}",
     "prefix_proxy_loading": "正在加载认证文件...",
+    "prefix_proxy_info_label": "认证文件信息（info）",
     "prefix_proxy_source_label": "认证文件 JSON（预览）",
     "prefix_label": "前缀（prefix）",
     "proxy_url_label": "代理 URL（proxy_url）",
diff --git a/src/pages/AuthFilesPage.tsx b/src/pages/AuthFilesPage.tsx
index fa53d97..afc4680 100644
--- a/src/pages/AuthFilesPage.tsx
+++ b/src/pages/AuthFilesPage.tsx
@@ -37,7 +37,6 @@ import {
   type ResolvedTheme,
 } from '@/features/authFiles/constants';
 import { AuthFileCard } from '@/features/authFiles/components/AuthFileCard';
-import { AuthFileDetailModal } from '@/features/authFiles/components/AuthFileDetailModal';
 import { AuthFileModelsModal } from '@/features/authFiles/components/AuthFileModelsModal';
 import { AuthFilesPrefixProxyEditorModal } from '@/features/authFiles/components/AuthFilesPrefixProxyEditorModal';
 import { OAuthExcludedCard } from '@/features/authFiles/components/OAuthExcludedCard';
@@ -64,7 +63,6 @@ import {
   type AuthFilesSortMode,
 } from '@/features/authFiles/uiState';
 import { useAuthStore, useNotificationStore, useThemeStore } from '@/stores';
-import type { AuthFileItem } from '@/types';
 import styles from './AuthFilesPage.module.scss';
 
 const easePower3Out = (progress: number) => 1 - (1 - progress) ** 4;
@@ -109,8 +107,6 @@ export function AuthFilesPage() {
   const [page, setPage] = useState(1);
   const [pageSize, setPageSize] = useState(9);
   const [pageSizeInput, setPageSizeInput] = useState('9');
-  const [detailModalOpen, setDetailModalOpen] = useState(false);
-  const [selectedFile, setSelectedFile] = useState<AuthFileItem | null>(null);
   const [viewMode, setViewMode] = useState<'diagram' | 'list'>('list');
   const [sortMode, setSortMode] = useState<AuthFilesSortMode>('default');
   const [batchActionBarVisible, setBatchActionBarVisible] = useState(false);
@@ -374,11 +370,6 @@ export function AuthFilesPage() {
   );
   const selectedNames = useMemo(() => Array.from(selectedFiles), [selectedFiles]);
 
-  const showDetails = (file: AuthFileItem) => {
-    setSelectedFile(file);
-    setDetailModalOpen(true);
-  };
-
   const copyTextWithNotification = useCallback(
     async (text: string) => {
       const copied = await copyToClipboard(text);
@@ -702,7 +693,6 @@ export function AuthFilesPage() {
                 keyStats={keyStats}
                 statusBarCache={statusBarCache}
                 onShowModels={showModels}
-                onShowDetails={showDetails}
                 onDownload={handleDownload}
                 onOpenPrefixProxyEditor={openPrefixProxyEditor}
                 onDelete={handleDelete}
@@ -768,13 +758,6 @@ export function AuthFilesPage() {
         onDeleteAlias={handleDeleteAlias}
       />
 
-      <AuthFileDetailModal
-        open={detailModalOpen}
-        file={selectedFile}
-        onClose={() => setDetailModalOpen(false)}
-        onCopyText={copyTextWithNotification}
-      />
-
       <AuthFileModelsModal
         open={modelsModalOpen}
         fileName={modelsFileName}
@@ -793,6 +776,7 @@ export function AuthFilesPage() {
         updatedText={prefixProxyUpdatedText}
         dirty={prefixProxyDirty}
         onClose={closePrefixProxyEditor}
+        onCopyText={copyTextWithNotification}
         onSave={handlePrefixProxySave}
         onChange={handlePrefixProxyChange}
       />