diff --git a/public/docs/ts/latest/quickstart.jade b/public/docs/ts/latest/quickstart.jade
index 8f968365fa..c63a61a8dc 100644
--- a/public/docs/ts/latest/quickstart.jade
+++ b/public/docs/ts/latest/quickstart.jade
@@ -219,6 +219,8 @@ block install-packages
   .l-sub-section
     :marked
       The `typings` folder could not show up after `npm install`. If so, please install them manually.
+      
+      在`npm install`之后，`typings`目录也可能不会出现。如果是这样，请手动安装它们。
 
     code-example(language="sh").
       npm run typings install