diff --git a/src/views/Editor/EditorHeader/index.vue b/src/views/Editor/EditorHeader/index.vue
index 7b1906c1..bae44b5a 100644
--- a/src/views/Editor/EditorHeader/index.vue
+++ b/src/views/Editor/EditorHeader/index.vue
@@ -6,9 +6,9 @@
         <template #overlay>
           <Menu>
             <FileInput accept=".pptist"  @change="files => importSpecificFile(files)">
-              <MenuItem>导入 .pptist 文件</MenuItem>
+              <MenuItem>导入 pptist 文件</MenuItem>
             </FileInput>
-            <MenuItem @click="setDialogForExport('pptist')">导出 .pptist 文件</MenuItem>
+            <MenuItem @click="setDialogForExport('pptist')">导出 pptist 文件</MenuItem>
             <MenuItem @click="setDialogForExport('pptx')">导出 PPTX</MenuItem>
             <MenuItem @click="setDialogForExport('image')">导出图片</MenuItem>
             <MenuItem @click="setDialogForExport('json')">导出 JSON</MenuItem>
diff --git a/vue.config.js b/vue.config.js
index e8af46e4..ce7ae591 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -73,8 +73,17 @@ module.exports = {
     },
     workboxOptions: {
       runtimeCaching: [{
-        urlPattern: new RegExp('.*'),
-        handler: 'networkOnly',
+        urlPattern: /.*/,
+        handler: 'networkFirst',
+        options: {
+          cacheName: 'PPTist',
+          expiration: {
+            maxAgeSeconds: 60 * 60 * 10,
+          },
+          cacheableResponse: {
+            statuses: [0, 200]
+          }
+        }
       }],
       skipWaiting: true,
     }