change content type

src/client/js/components/Page/PageShareManagement.jsx

@@ -26,7 +26,7 @@ const PageShareManagement = (props) => {
 
   async function exportPageHandler() {
     const { pageId, revisionId } = pageContainer.state;
-    window.location.href = `/_api/v3/page/export/${pageId}?_csrf=${appContainer.csrfToken}&format=md&revisionId=${revisionId}&contentType=text/markdown`;
+    window.location.href = `/_api/v3/page/export/${pageId}?_csrf=${appContainer.csrfToken}&format=md&revisionId=${revisionId}`;
   }
 
   function renderModals() {

src/server/routes/apiv3/page.js

@@ -236,7 +236,7 @@ module.exports = (crowi) => {
       readable._read = () => {};
       readable.push(markdown);
       readable.push(null);
-      res.set('Content-Type', 'text/markdown');
+      res.set('Content-Type', 'application/octet-stream');
       return readable.pipe(res);
     }
     catch (err) {