diff --git a/lib/index.js b/lib/index.js
index 42b3c47..f8bf920 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -116,14 +116,13 @@ module.exports = (opts, ctx) => {
         spinner.start(`Fetching ${chalk.cyan(title)} ... `)
 
         const { status, data } = await yuque.getPage(slug)
-        const format = data.format
-        debug('status = ', status, 'format = ', format)
+        debug('status = ', status)
 
         let postContent
         if (status && status === 404) {
           postContent = `# ${title}\n > 此文档尚未创建`
         } else {
-          if (useMarkdown || format === 'markdown') {
+          if (useMarkdown || data.format === 'markdown') {
             postContent = data.body
           } else {
             postContent = prettify(data.body_html)