diff --git a/.travis.yml b/.travis.yml
index 50d2691978..c8c12208bc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,8 @@ env:
     - DBUS_SESSION_BUS_ADDRESS=/dev/null
     - DISPLAY=:99.0
     - CHROME_BIN=chromium-browser
-    - LATEST_RELEASE=2.0.0
+    # using SHA instead of version to fix build-compile issue
+    - LATEST_RELEASE=cfc12c653970c9ad6d807a6a8ebff58edbc568a0
     - TASK_FLAGS="--dgeni-log=warn"
   matrix:
     - TASK=lint
diff --git a/public/_includes/_main-nav.jade b/public/_includes/_main-nav.jade
index 59435d9132..c484490d21 100644
--- a/public/_includes/_main-nav.jade
+++ b/public/_includes/_main-nav.jade
@@ -1,7 +1,7 @@
 - var language = current.path[1] || 'ts'
 - if (language !== 'ts' || language !== 'js' || language !== 'dart') { language = 'ts'; }
 
-nav.main-nav.l-pinned-top.l-layer-5
+nav(class="main-nav l-pinned-top l-layer-5", scroll-y-offset-element)
   h1 <a href="/" md-button>Angular <sup>by Google</sup></a>
 
   button(class="main-nav-button main-nav-mobile-trigger l-right" aria-label="查看菜单" ng-click="appCtrl.toggleMainMenu($event)" md-button) 网站菜单 <span class="icon icon-arrow-drop-down"></span>
diff --git a/scripts/deploy-install.sh b/scripts/deploy-install.sh
index f34a158fbf..67c6ddd67f 100755
--- a/scripts/deploy-install.sh
+++ b/scripts/deploy-install.sh
@@ -10,7 +10,8 @@ else
     travis_fold start install.ng2
     echo GETTING Angular2 from GitHub ...
     set -x
-    git clone https://github.com/angular/angular.git --branch $LATEST_RELEASE $NG2_REPO
+    git clone https://github.com/angular/angular.git $NG2_REPO
+    git -C $NG2_REPO checkout $LATEST_RELEASE
     set +x
     travis_fold end install.ng2
 fi