diff --git a/README.md b/README.md
index 24dd0b09..a895d6a3 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ npm run serve
 - 快捷键
 - 右键菜单
 - 导出本地文件（PPTX、JSON、图片、PDF）
+- 导入导出特有 .pptist 文件
 - 打印
 ### 幻灯片页面编辑
 - 页面添加、删除
diff --git a/src/views/Editor/ExportDialog/ExportPDF.vue b/src/views/Editor/ExportDialog/ExportPDF.vue
index fcf95a22..67cdd236 100644
--- a/src/views/Editor/ExportDialog/ExportPDF.vue
+++ b/src/views/Editor/ExportDialog/ExportPDF.vue
@@ -48,6 +48,9 @@
           <Switch v-model:checked="padding" />
         </div>
       </div>
+      <div class="tip">
+        注意：若打印预览与实际样式不一致，请在弹出的打印窗口中勾选【背景图形】选项。
+      </div>
     </div>
 
     <div class="btns">
@@ -149,6 +152,13 @@ export default defineComponent({
   .config-item {
     flex: 1;
   }
+
+  .tip {
+    font-size: 12px;
+    color: #aaa;
+    line-height: 1.8;
+    margin-top: 25px;
+  }
 }
 .btns {
   width: 300px;
diff --git a/src/views/Editor/ExportDialog/ExportSpecificFile.vue b/src/views/Editor/ExportDialog/ExportSpecificFile.vue
index c38becb9..96445d4e 100644
--- a/src/views/Editor/ExportDialog/ExportSpecificFile.vue
+++ b/src/views/Editor/ExportDialog/ExportSpecificFile.vue
@@ -116,7 +116,7 @@ export default defineComponent({
     font-size: 12px;
     color: #aaa;
     line-height: 1.8;
-    margin-top: 30px;
+    margin-top: 25px;
   }
 }
 .btns {