diff --git a/www/index.html b/www/index.html
index f450ad3..c4b13e6 100644
--- a/www/index.html
+++ b/www/index.html
@@ -32,7 +32,7 @@
             </section>
 
             <section ng-if="!connected" class="disconnected" layout="row" layout-align="center center">
-                <h1 class="md-headline">和实验室管理员失去联系，呼叫中...</h1>
+                <h1 class="md-headline">和实验室管理员失去联系，请呼叫me@bingohuang.com...</h1>
                 <md-progress-circular class="md-hue-2" md-diameter="20px"></md-progress-circular>
             </section>
 
diff --git a/www/robots.txt b/www/robots.txt
index 1f53798..eb05362 100644
--- a/www/robots.txt
+++ b/www/robots.txt
@@ -1,2 +1,2 @@
 User-agent: *
-Disallow: /
+Disallow: