diff --git a/src/renderer/src/views/classBegins/index.vue b/src/renderer/src/views/classBegins/index.vue
index 73f62c6..59a844f 100644
--- a/src/renderer/src/views/classBegins/index.vue
+++ b/src/renderer/src/views/classBegins/index.vue
@@ -36,7 +36,7 @@ import { ref, onMounted, watch, reactive } from 'vue'
 import * as pdfjsLib from 'pdfjs-dist/legacy/build/pdf'
 pdfjsLib.GlobalWorkerOptions.workerSrc = '/lib/build/pdf.worker.mjs'
 import pdfCanvas from '@/components/pdf/index.vue'
-const { ipcRenderer } = window.electron || {}
+const { ipcRenderer } = require('electron')
 // 传过去的参数
 const pdfObj = reactive({
   numberOfPdf: 2, //显示几页
@@ -125,4 +125,4 @@ onMounted(async () => {})
     }
   }
 }
-</style>
+</style>
\ No newline at end of file