diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index de9856197c..189c613617 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -23,6 +23,7 @@
   import { getLocalStorage, setLocalStorage } from '@/utils/local-storage';
   import { watchStyle, watchTheme, setFavicon } from '@/utils/theme';
   import { WorkbenchRouteEnum } from './enums/routeEnum';
+  import { getPublicKeyRequest } from './api/modules/user';
   // import MsEmpty from '@/components/pure/ms-empty/index.vue';
 
   const appStore = useAppStore();
@@ -76,10 +77,17 @@
       router.push(WorkbenchRouteEnum.WORKBENCH);
     }
   };
+  // 获取公钥
+  const getPublicKey = async () => {
+    if (getLocalStorage('salt')) return;
+    const publicKey = await getPublicKeyRequest();
+    setLocalStorage('salt', publicKey);
+  };
 
   // 白名单，不需要验证是否登录的页面
   const whiteList = ['#/invite'];
   onMounted(async () => {
+    await getPublicKey();
     if (!whiteList.includes(window.location.hash)) {
       await checkIsLogin();
     }
diff --git a/frontend/src/api/http/checkStatus.ts b/frontend/src/api/http/checkStatus.ts
index da28f18877..c6dc5e5c39 100644
--- a/frontend/src/api/http/checkStatus.ts
+++ b/frontend/src/api/http/checkStatus.ts
@@ -5,23 +5,17 @@ import useUser from '@/hooks/useUser';
 
 export default function checkStatus(status: number, msg: string, errorMessageMode: ErrorMessageMode = 'message'): void {
   const { t } = useI18n();
-  const { logout, setSalt, isLoginPage } = useUser();
+  const { logout, isLoginPage } = useUser();
   let errMessage = '';
   switch (status) {
     case 400:
       errMessage = `${msg}`;
       break;
     case 401: {
-      if (msg.length === 216) {
-        // 216是salt的长度
-        setSalt(msg);
-      } else {
-        errMessage = msg || t('api.errMsg401');
-      }
       if (!isLoginPage()) {
         // 不是登录页再调用logout
         logout();
-        errMessage = t('api.errMsg401');
+        errMessage = msg || t('api.errMsg401');
       }
       break;
     }
diff --git a/frontend/src/api/modules/user/index.ts b/frontend/src/api/modules/user/index.ts
index 5fad5fb397..4ade260fba 100644
--- a/frontend/src/api/modules/user/index.ts
+++ b/frontend/src/api/modules/user/index.ts
@@ -1,5 +1,5 @@
 import MSR from '@/api/http/index';
-import { LoginUrl, LogoutUrl, GetMenuListUrl, isLoginUrl } from '@/api/requrls/user';
+import { LoginUrl, LogoutUrl, GetMenuListUrl, isLoginUrl, getPublicKeyUrl } from '@/api/requrls/user';
 import type { RouteRecordNormalized } from 'vue-router';
 import type { LoginData, LoginRes } from '@/models/user';
 
@@ -18,3 +18,7 @@ export function logout() {
 export function getMenuList() {
   return MSR.post<RouteRecordNormalized[]>({ url: GetMenuListUrl });
 }
+
+export function getPublicKeyRequest() {
+  return MSR.get<string>({ url: getPublicKeyUrl }, { ignoreCancelToken: true });
+}
diff --git a/frontend/src/api/requrls/user.ts b/frontend/src/api/requrls/user.ts
index e828467c48..e05a14851a 100644
--- a/frontend/src/api/requrls/user.ts
+++ b/frontend/src/api/requrls/user.ts
@@ -2,3 +2,4 @@ export const LoginUrl = '/login';
 export const isLoginUrl = '/is-login';
 export const LogoutUrl = '/signout';
 export const GetMenuListUrl = '/api/user/menu';
+export const getPublicKeyUrl = '/get-key';
diff --git a/frontend/src/hooks/useUser.ts b/frontend/src/hooks/useUser.ts
index ae3a71b382..84dbb8becd 100644
--- a/frontend/src/hooks/useUser.ts
+++ b/frontend/src/hooks/useUser.ts
@@ -21,17 +21,12 @@ export default function useUser() {
     });
   };
 
-  const setSalt = (salt: string) => {
-    localStorage.setItem('salt', salt);
-  };
-
   const isLoginPage = () => {
     return window.location.hash.indexOf('login') > -1;
   };
 
   return {
     logout,
-    setSalt,
     isLoginPage,
   };
 }