diff --git a/src/renderer/src/views/login/index.vue b/src/renderer/src/views/login/index.vue
index 5b62af3..b883d6d 100644
--- a/src/renderer/src/views/login/index.vue
+++ b/src/renderer/src/views/login/index.vue
@@ -2,7 +2,7 @@
   <div class="login-container">
     <div class="box-item desc">
       <div class="welcome">
-        <p>欢迎登录 {{homeTitle}}</p>
+        <p>欢迎登录 {{ homeTitle }}</p>
       </div>
       <img class="welcome-img" :src="leftBg2" />
     </div>
@@ -14,46 +14,28 @@
           <el-input v-model.trim="loginForm.username" placeholder="请输入用户名" />
         </el-form-item>
         <el-form-item prop="password" style="margin-bottom: 15px">
-          <el-input
-            v-model="loginForm.password"
-            autocomplete="on"
-            type="password"
-            placeholder="请输入密码"
-          />
+          <el-input v-model="loginForm.password" autocomplete="on" type="password" placeholder="请输入密码" />
         </el-form-item>
         <div class="flex mb-5">
-          <el-checkbox v-model="loginForm.rememberMe" >记住密码</el-checkbox>
-           <!-- <el-checkbox >阅读并同意《xxx》</el-checkbox> -->
+          <el-checkbox v-model="loginForm.rememberMe">记住密码</el-checkbox>
+          <!-- <el-checkbox >阅读并同意《xxx》</el-checkbox> -->
         </div>
 
         <el-form-item>
-          <el-button :loading="btnLoading" class="btn" type="primary" @click="submitForm(formRef)"
-            >登录</el-button
-          >
+          <el-button :loading="btnLoading" class="btn" type="primary" @click="submitForm(formRef)">登录</el-button>
         </el-form-item>
         <div class="flex mb-4" style="display: flex;justify-content: center;color: #ccc;cursor: pointer;">
-           <a class="hover:text-sky-500" style="margin-right: 10px;" @click="RegisterModel(1)">注册账号</a>
-           |
-           <a class="hover:text-sky-500" style="margin-left: 10px;" @click="RegisterModel(2)">忘记密码</a>
+          <a class="hover:text-sky-500" style="margin-right: 10px;" @click="RegisterModel(1)">注册账号</a>
+          |
+          <a class="hover:text-sky-500" style="margin-left: 10px;" @click="RegisterModel(2)">忘记密码</a>
         </div>
       </el-form>
     </div>
   </div>
-  <el-dialog
-    v-model="showDownLoading"
-    width="500"
-    :show-close="false"
-    :close-on-click-modal="false"
-    :close-on-press-escape="false"
-    align-center
-  >
-    <el-progress
-      :text-inside="true"
-      :stroke-width="22"
-      :percentage="downloadProp"
-      :show-text="false"
-      status="success"
-    />
+  <el-dialog v-model="showDownLoading" width="500" :show-close="false" :close-on-click-modal="false"
+    :close-on-press-escape="false" align-center>
+    <el-progress :text-inside="true" :stroke-width="22" :percentage="downloadProp" :show-text="false"
+      status="success" />
   </el-dialog>
   <!--选择学科-->
   <SelectSubject v-model="isSubject" :login-data="loginForm" />
@@ -69,6 +51,7 @@ import leftBg2 from '@/assets/images/login/left-bg2.png'
 import WindowTools from '@/components/window-tools/index.vue'
 import SelectSubject from '@/components/select-subject/index.vue'
 import Register from './components/Register.vue'
+import { sessionStore } from '@/utils/store'
 
 const { session } = require('@electron/remote')
 const downloadProp = ref(0)
@@ -99,7 +82,7 @@ ipcRenderer.on('update-app-progress', (e, prop) => {
   showDownLoading.value = prop !== 100
 })
 // 打开弹窗
-const RegisterModel = type =>{
+const RegisterModel = type => {
   RegModel.value.OpenModel(type)
 }
 //登录
@@ -168,6 +151,13 @@ const setCookie = (name, value) => {
 
 onMounted(() => {
   localStorage.clear()
+  sessionStore.set('subject', {   
+    bookList: null, 
+    curBook: null, 
+    curNode: null, 
+    defaultExpandedKeys: [], 
+    subjectTree: [] 
+  })
   getCookie()
 })
 </script>
@@ -179,6 +169,7 @@ onMounted(() => {
   align-items: center;
   justify-content: center;
   -webkit-app-region: drag;
+
   .box-item {
     width: 444px;
     height: 520px;