diff --git a/src-tauri/src/commands/auth.rs b/src-tauri/src/commands/auth.rs
index 4ec851c..6a90b10 100644
--- a/src-tauri/src/commands/auth.rs
+++ b/src-tauri/src/commands/auth.rs
@@ -790,7 +790,6 @@ pub struct OAuthState {
     pub email: String,
     pub name: String,
     pub github_username: Option<String>,
-    pub permission: u32,
     pub login_time: String,
 }
 
diff --git a/src/App.tsx b/src/App.tsx
index 2fe4dd2..f15c0ef 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -48,14 +48,6 @@ const applyGlobalFontFamily = (fontValue?: string) => {
   document.body.style.fontFamily = fontFamily
 }
 
-const mapOAuthPermissionToAppPermission = (
-  oauthPermission: number
-): "admin" | "points" | "view" => {
-  if (oauthPermission >= 18) return "admin"
-  if (oauthPermission >= 1) return "points"
-  return "view"
-}
-
 function MainContent(): React.JSX.Element {
   const { t } = useTranslation()
   const navigate = useNavigate()
@@ -218,26 +210,19 @@ function MainContent(): React.JSX.Element {
         api.getAllSettings(),
       ])
 
-      const oauthPermission =
-        oauthRes?.success && oauthRes.data
-          ? mapOAuthPermissionToAppPermission(oauthRes.data.permission)
-          : null
+      // OAuth 登录仅用于云服务，不影响本地权限
       if (oauthRes?.success && oauthRes.data?.name) {
         setOAuthUserName(String(oauthRes.data.name))
       } else {
         setOAuthUserName(null)
       }
 
+      // 本地权限系统独立于 OAuth
       if (authRes?.success && authRes.data) {
         const anyPwd = Boolean(authRes.data.hasAdminPassword || authRes.data.hasPointsPassword)
         setHasAnyPassword(anyPwd)
-
-        const finalPermission = oauthPermission ?? authRes.data.permission
-        setPermission(finalPermission)
-        setAuthVisible(anyPwd && finalPermission === "view")
-      } else if (oauthPermission) {
-        setPermission(oauthPermission)
-        setAuthVisible(false)
+        setPermission(authRes.data.permission)
+        setAuthVisible(anyPwd && authRes.data.permission === "view")
       }
 
       if (settingsRes?.success && settingsRes.data) {
@@ -527,10 +512,8 @@ function MainContent(): React.JSX.Element {
     email: string
     name: string
     github_username?: string
-    permission: number
   }) => {
-    setPermission(mapOAuthPermissionToAppPermission(userInfo.permission))
-    setAuthVisible(false)
+    // OAuth 登录仅用于云服务，不修改本地权限
     setOAuthUserName(userInfo.name || null)
     messageApi.success(t("auth.oauthSuccess", "登录成功"))
   }
diff --git a/src/components/OAuth/OAuthLogin.tsx b/src/components/OAuth/OAuthLogin.tsx
index d95036e..0a558c7 100644
--- a/src/components/OAuth/OAuthLogin.tsx
+++ b/src/components/OAuth/OAuthLogin.tsx
@@ -12,7 +12,6 @@ interface OAuthLoginProps {
     email: string
     name: string
     github_username?: string
-    permission: number
   }) => void
 }
 
@@ -170,7 +169,6 @@ export function OAuthLogin({ visible, onClose, onSuccess }: OAuthLoginProps) {
           email: userRes.data.email,
           name: userRes.data.name,
           github_username: userRes.data.github_username,
-          permission: userRes.data.permission,
           login_time: new Date().toISOString(),
         }
 
diff --git a/src/components/Settings.tsx b/src/components/Settings.tsx
index 0e11dba..1a17acc 100644
--- a/src/components/Settings.tsx
+++ b/src/components/Settings.tsx
@@ -203,15 +203,8 @@ export const Settings: React.FC<{
     email: string
     name: string
     github_username?: string
-    permission: number
   } | null>(null)
 
-  const getOAuthPermissionLabel = (oauthPermission: number) => {
-    if (oauthPermission >= 18) return t("permissions.admin")
-    if (oauthPermission >= 1) return t("permissions.points")
-    return t("permissions.view")
-  }
-
   const permissionTag = useMemo(() => {
     return (
       <Tag
@@ -326,7 +319,6 @@ export const Settings: React.FC<{
         email: oauthStateRes.data.email,
         name: oauthStateRes.data.name,
         github_username: oauthStateRes.data.github_username,
-        permission: oauthStateRes.data.permission,
       })
     } else {
       setOAuthUserInfo(null)
@@ -347,7 +339,7 @@ export const Settings: React.FC<{
       await api.oauthClearLoginState()
       setOAuthUserInfo(null)
       window.dispatchEvent(new CustomEvent("ss:oauth-user-updated", { detail: { user: null } }))
-      messageApi.success(t("auth.logout"))
+      messageApi.success(t("settings.account.logoutSuccess", "已退出云账号"))
     } catch (error: any) {
       messageApi.error(error?.message || t("common.error"))
     }
@@ -421,17 +413,15 @@ export const Settings: React.FC<{
           email?: string
           name?: string
           github_username?: string
-          permission?: number
         } | null
       }>
       const user = customEvent?.detail?.user
-      if (user?.user_id && user.email && user.name && typeof user.permission === "number") {
+      if (user?.user_id && user.email && user.name) {
         setOAuthUserInfo({
           user_id: user.user_id,
           email: user.email,
           name: user.name,
           github_username: user.github_username,
-          permission: user.permission,
         })
       } else {
         setOAuthUserInfo(null)
@@ -1163,13 +1153,6 @@ export const Settings: React.FC<{
                   </Text>
                 </div>
 
-                <div>
-                  <Text type="secondary">{t("settings.account.permission")}:</Text>
-                  <Tag color="blue" style={{ marginLeft: "8px" }}>
-                    {getOAuthPermissionLabel(oauthUserInfo.permission)}
-                  </Tag>
-                </div>
-
                 <Divider />
 
                 <Button danger onClick={handleOAuthLogout}>
diff --git a/src/hooks/useOAuthPersist.ts b/src/hooks/useOAuthPersist.ts
index bf12623..440f115 100644
--- a/src/hooks/useOAuthPersist.ts
+++ b/src/hooks/useOAuthPersist.ts
@@ -10,7 +10,6 @@ export interface OAuthUserInfo {
   email: string
   name: string
   github_username?: string
-  permission: number
 }
 
 export interface OAuthLoginState {
@@ -22,7 +21,6 @@ export interface OAuthLoginState {
   email: string
   name: string
   github_username?: string
-  permission: number
   login_time: string
 }
 
@@ -54,7 +52,6 @@ export function useOAuthPersist() {
             email: result.data.email,
             name: result.data.name,
             github_username: result.data.github_username,
-            permission: result.data.permission,
           })
           setIsAuthenticated(true)
         } else {
diff --git a/src/preload/types.ts b/src/preload/types.ts
index 8e6dac0..3e0c5d6 100644
--- a/src/preload/types.ts
+++ b/src/preload/types.ts
@@ -574,7 +574,6 @@ const api = {
     email: string
     name: string
     github_username?: string
-    permission: number
     login_time: string
   }): Promise<{
     success: boolean
@@ -591,7 +590,6 @@ const api = {
       email: string
       name: string
       github_username?: string
-      permission: number
       login_time: string
     } | null
     message?: string