change sidebar ui and icon

src/App.vue

@@ -5,6 +5,7 @@ import { invoke } from "@tauri-apps/api/core";
 import { ElMessage } from 'element-plus';
 import { Document, VideoPlay, CircleCheck, Moon, Sunny, Delete, UploadFilled, Refresh } from '@element-plus/icons-vue';
 import { listen, UnlistenFn } from '@tauri-apps/api/event';
+import appIcon from './assets/app-icon-96.png';
 
 // Navigation
 const activeMenu = ref("preparation");
@@ -469,6 +470,9 @@ watch(currentDir, (newPath) => {
 <template>
   <el-container class="layout-container" style="height: 100vh">
     <el-aside width="200px" class="main-aside">
+      <div class="aside-header">
+        <img :src="appIcon" alt="App Icon" class="app-icon" />
+      </div>
       <el-menu
         :default-active="activeMenu"
         class="el-menu-vertical-demo"
@@ -503,7 +507,6 @@ watch(currentDir, (newPath) => {
     <el-main>
       <!-- Preparation Page -->
       <div v-if="activeMenu === 'preparation'">
-        <h2>准备工作</h2>
         
         <el-card class="box-card" shadow="hover">
           <template #header>
@@ -573,7 +576,6 @@ watch(currentDir, (newPath) => {
 
       <!-- Review Page -->
       <div v-else-if="activeMenu === 'review'">
-        <h2>审核</h2>
         
         <el-alert
             v-if="isReviewDisabled"
@@ -627,7 +629,6 @@ watch(currentDir, (newPath) => {
 
       <!-- Check Page -->
       <div v-else-if="activeMenu === 'check'" style="display: flex; flex-direction: column; height: 100%; overflow: hidden;">
-        <h2>检查</h2>
 
         <el-alert
             v-if="isReviewDisabled"
@@ -680,6 +681,26 @@ body {
   flex-direction: column;
   transition: background-color 0.3s, border-color 0.3s;
 }
+.aside-header {
+  padding: 20px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  margin-bottom: 20px;
+}
+.app-icon {
+  width: 64px;
+  height: 64px;
+}
+.el-menu-vertical-demo .el-menu-item {
+    font-size: 20px; /* Increase text size */
+    height: 80px; /* Adjust height to accommodate larger font/icons and maintain spacing */
+    line-height: 50px;
+}
+.el-menu-vertical-demo .el-menu-item .el-icon {
+    font-size: 20px; /* Increase icon size */
+    margin-right: 12px;
+}
 .aside-footer {
   padding: 16px;
   display: flex;