add：左侧的树；

src/renderer/src/views/model/index.vue

@@ -7,12 +7,14 @@
       <el-button type="success"  @click="openPPTist">打开PPTist</el-button>
       <!-- <el-button type="info"  @click="onchange('/model/examination')">考试分析</el-button> -->
     </div>
+    <ChooseTextbook @change-book="getData" @node-click="getData" />
   </div>
 </template>
 
 <script setup>
 import { useRouter } from 'vue-router'
 import { createWindow } from '@/utils/tool' // 相关工具
+import ChooseTextbook from '@/components/choose-textbook/index.vue'
 
 const router = useRouter()