diff --git a/src/main/file.js b/src/main/file.js
index 5637a23..d10cb59 100644
--- a/src/main/file.js
+++ b/src/main/file.js
@@ -238,7 +238,7 @@ export default async function ({ app, shell, BrowserWindow, ipcMain }) {
   //下载文件
   ipcMain.on('download-file-default', (e, { url, fileName }) => {
     createFolder('selfFile').then(async () => {
-      const browserWindow = BrowserWindow.fromId(e.sender.id)
+      const browserWindow = BrowserWindow.getFocusedWindow()
       const id = await manager.download({
         window: browserWindow,
         url: url,
diff --git a/src/renderer/src/utils/resourceDict.js b/src/renderer/src/utils/resourceDict.js
index eb9275c..a1a1a61 100644
--- a/src/renderer/src/utils/resourceDict.js
+++ b/src/renderer/src/utils/resourceDict.js
@@ -20,6 +20,10 @@ export const  resourceFormat = [
     label: 'ppt',
     value: 'ppt'
   },
+  {
+    label: 'pptx',
+    value: 'pptx'
+  },
   {
     label: 'mp3',
     value: 'mp3'
@@ -62,4 +66,4 @@ export const resourceType = [
     label: '教案',
     value: '教案'
   }
-]
\ No newline at end of file
+]
diff --git a/src/renderer/src/views/prepare/index.vue b/src/renderer/src/views/prepare/index.vue
index 9287e78..a485a49 100644
--- a/src/renderer/src/views/prepare/index.vue
+++ b/src/renderer/src/views/prepare/index.vue
@@ -14,6 +14,7 @@
         </div>
         <el-button type="primary" class="to-class-btn">
           <i class="iconfont icon-lingdang"></i>上课</el-button>
+        <div class="top-zoom-style"></div>
       </div>
       <div class="prepare-body-header">
 
@@ -123,20 +124,7 @@ export default {
   },
   activated() {
     if (this.uploadData.textbookId !== null) {
-      this.isLoading = true
-      getSmarttalkPage({
-        ...this.uploadData,
-        orderByColumn: 'uploadTime',
-        isAsc: 'desc',
-        pageSize: 500
-      })
-        .then(async (res) => {
-          this.currentFileList = [...res.rows]
-          this.isLoading = false
-        })
-        .catch(() => {
-          this.isLoading = false
-        })
+      this.asyncAllFile()
     }
   },
   methods: {
@@ -331,8 +319,16 @@ export default {
       height: 150px;
       align-items: center;
       justify-content: center;
-      background: linear-gradient(#97c4ed, #7aa8e5);
-      padding-right: 20px;
+      position: relative;
+      background: linear-gradient(#b0d1ef, #3e7bcb);
+      .top-zoom-style{
+        position: absolute;
+        width: 90%;
+        height: 30px;
+        background: linear-gradient(#b0d1ef, #5283c4);
+        bottom: 0;
+        clip-path: polygon(3% 0%, 97% 0%, 100% 100%, 0% 100%);
+      }
       .textbook-img{
         height: 120px;
         background-color: #ffffff;
@@ -340,11 +336,13 @@ export default {
         border-radius: 6px;
         overflow: hidden;
         margin-right: 20px;
+        z-index: 1;
       }
       .top-item{
         width: 230px;
-
+        position: relative;
         flex-wrap: wrap;
+        z-index: 1;
         .btn{
           width: 102px;
           background: none;
@@ -368,6 +366,7 @@ export default {
         height: 80px;
         margin-left: 25px;
         font-size: 18px;
+        z-index: 1;
         .icon-lingdang{
           margin-right: 5px;
           color: #ffffff;