diff --git a/lib/dev.js b/lib/dev.js
index 616337b..8996e86 100644
--- a/lib/dev.js
+++ b/lib/dev.js
@@ -62,7 +62,14 @@ export default function createServer(root = '', conf = {}) {
       }
       pathname = pathname.join('/')
     } else {
-      isIndex = true
+      if (IS_MPA) {
+        isIndex = true
+      } else {
+        pageName = Object.keys(conf.pages).pop()
+        currentPage = pageName
+        pagesDir = dirname(conf.pages[pageName].entry)
+        ext = 'html'
+      }
     }
 
     for (let k in COMMON_HEADERS) {