diff --git a/src/store/index.ts b/src/store/index.ts
index 5e3e1ec..8cc387e 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -19,22 +19,24 @@ import {
  * with the Store instance.
  */
 
-export interface StateInterface {
-  // Define your own store structure, using submodules if needed
-  // example: ExampleStateInterface;
-  // Declared as unknown to avoid linting issue. Best to strongly type as per the line above.
-  example: unknown
+export interface AccountStateInterface {
+  account: {
+    username: string
+    token: string
+  }
+  isLogin: boolean
+  taskList: any[]
 }
 
 // provide typings for `this.$store`
 declare module '@vue/runtime-core' {
   interface ComponentCustomProperties {
-    $store: VuexStore<StateInterface>
+    $store: VuexStore<AccountStateInterface>
   }
 }
 
 // provide typings for `useStore` helper
-export const storeKey: InjectionKey<VuexStore<StateInterface>> = Symbol('vuex-key')
+export const storeKey: InjectionKey<VuexStore<AccountStateInterface>> = Symbol('vuex-key')
 
 // Provide typings for `this.$router` inside Vuex stores
 declare module "vuex" {
@@ -44,12 +46,8 @@ declare module "vuex" {
   }
 }
 
-export default store(function (/* { ssrContext } */) {
-  const Store = createStore<StateInterface>({
-    modules: {
-      // example
-    },
-
+export default store(function(/* { ssrContext } */) {
+  const Store = createStore<AccountStateInterface>({
     // enable strict mode (adds overhead!)
     // for dev mode and --debug builds only
     strict: !!process.env.DEBUGGING