diff --git a/src/compenents/header/index.tsx b/src/compenents/header/index.tsx
index 80e414a..3ea76a0 100644
--- a/src/compenents/header/index.tsx
+++ b/src/compenents/header/index.tsx
@@ -8,6 +8,7 @@ import {
   logoutAction,
   saveCurrentDepId,
 } from "../../store/user/loginUserSlice";
+import { setDepKey, setDepName, getDepName } from "../../utils/index";
 import { ChangePasswordModel } from "../change-password";
 import { UserInfoModel } from "../user-info";
 import { ExclamationCircleFilled } from "@ant-design/icons";
@@ -32,7 +33,7 @@ export const Header: React.FC = () => {
 
   useEffect(() => {
     if (departments.length > 0) {
-      setCurrentDepartment(departments[0].name);
+      setCurrentDepartment(getDepName() || departments[0].name);
       const arr: any = [
         {
           key: "1",
@@ -129,6 +130,8 @@ export const Header: React.FC = () => {
       onOk() {
         setCurrentDepartment(name);
         dispatch(saveCurrentDepId(Number(key)));
+        setDepKey(key);
+        setDepName(name);
         const box = [...departments];
         const arr: any = [
           {
diff --git a/src/store/user/loginUserSlice.ts b/src/store/user/loginUserSlice.ts
index ac24a80..237e761 100644
--- a/src/store/user/loginUserSlice.ts
+++ b/src/store/user/loginUserSlice.ts
@@ -1,4 +1,5 @@
 import { createSlice } from "@reduxjs/toolkit";
+import { getDepKey } from "../../utils/index";
 
 type UserStoreInterface = {
   user: null;
@@ -10,7 +11,7 @@ type UserStoreInterface = {
 let defaultValue: UserStoreInterface = {
   user: null,
   departments: [],
-  currentDepId: 0,
+  currentDepId: Number(getDepKey()) || 0,
   isLogin: false,
 };
 
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 2ab988f..52657e3 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -72,3 +72,26 @@ export function inStrArray(array: string[], value: string): boolean {
   }
   return false;
 }
+
+export function getDepKey(): string {
+  return window.localStorage.getItem("playedu-frontend-depatmentKey") || "";
+}
+
+export function setDepKey(token: string) {
+  window.localStorage.setItem("playedu-frontend-depatmentKey", token);
+}
+
+export function clearDepKey() {
+  window.localStorage.removeItem("playedu-frontend-depatmentKey");
+}
+export function getDepName(): string {
+  return window.localStorage.getItem("playedu-frontend-depatmentName") || "";
+}
+
+export function setDepName(token: string) {
+  window.localStorage.setItem("playedu-frontend-depatmentName", token);
+}
+
+export function clearDepName() {
+  window.localStorage.removeItem("playedu-frontend-depatmentName");
+}