diff --git a/lib/load/routes.js b/lib/load/routes.js
index f4ca448c05..fdc8af9b06 100644
--- a/lib/load/routes.js
+++ b/lib/load/routes.js
@@ -7,6 +7,7 @@ async function genRoutesConfig({docsData, docsDir, pagesData}) {
     return `
   {
     path: ${JSON.stringify(docsPath)},
+    exact: true,
     component: () => <Docs><${componentName} /></Docs>
   }`;
   }
@@ -22,6 +23,7 @@ async function genRoutesConfig({docsData, docsDir, pagesData}) {
     return `
   {
     path: ${JSON.stringify(pagesPath)},
+    exact: true,
     component: ${componentName}
   }`;
   }
diff --git a/lib/load/utils.js b/lib/load/utils.js
index 052f7b24b6..2080afbefa 100644
--- a/lib/load/utils.js
+++ b/lib/load/utils.js
@@ -14,13 +14,13 @@ async function generate(file, content) {
 }
 
 const indexRE = /(^|.*\/)index\.(md|js)$/i;
-const mdRE = /\.md$/;
+const extRE = /\.(md|js)$/;
 
 function fileToPath(file) {
   if (indexRE.test(file)) {
     return file.replace(indexRE, '/$1');
   }
-  return `/${file.replace(mdRE, '').replace(/\\/g, '/')}`;
+  return `/${file.replace(extRE, '').replace(/\\/g, '/')}`;
 }
 
 function encodePath(userpath) {