diff --git a/apps/electron/src/main/export/pdf.ts b/apps/electron/src/main/export/pdf.ts
index ddb2fc661..98f6b730f 100644
--- a/apps/electron/src/main/export/pdf.ts
+++ b/apps/electron/src/main/export/pdf.ts
@@ -29,6 +29,7 @@ export async function savePDFFileAs(
         buttonLabel: 'Save',
         defaultPath: `${pageTitle}.pdf`,
         message: 'Save Page as a PDF file',
+        filters: [{ name: 'PDF Files', extensions: ['pdf'] }],
       }));
     const filePath = ret.filePath;
     if (ret.canceled || !filePath) {
diff --git a/packages/component/src/components/workspace/index.css.ts b/packages/component/src/components/workspace/index.css.ts
index d9bed9c20..7591937f9 100644
--- a/packages/component/src/components/workspace/index.css.ts
+++ b/packages/component/src/components/workspace/index.css.ts
@@ -35,6 +35,11 @@ export const appStyle = style({
         '--affine-editor-width': '550px',
       },
     },
+    print: {
+      vars: {
+        '--affine-editor-width': '800px',
+      },
+    },
   },
 });