diff --git a/modules/core/client/app/trans-string-en.js b/modules/core/client/app/trans-string-en.js
index 2b237b65..794db2c4 100644
--- a/modules/core/client/app/trans-string-en.js
+++ b/modules/core/client/app/trans-string-en.js
@@ -14,6 +14,7 @@
 
   var string_en = {
     COMINGSOON: 'coming soon...',
+    DEMO_INFO: 'Welcome to demo site, you can sign up manual to create a normal account or sign in as demo admin with account <mark>demo</mark> and password <mark>demoAdmin12#</mark>, but don`t delete any demo data please, thanks!',
 
     //client topbar menu
     MENU_CHAT: 'Chat',
@@ -468,6 +469,8 @@
     SEND_INVITE_SUCCESSFULLY: 'Send invitation successfully',
     SEND_INVITE_ERROR: 'Send invitation failed',
     INVALID_INVITATION_TIP: 'Invalid invitation, maybe the invitation is expired.',
+    INVITATION_IS_EMPTY: 'There are no invitations available!',
+    INVITATION_USED_IS_EMPTY: 'There are no used invitations!',
 
     //user message box
     MESSAGES_BOX: 'Messages Box',
diff --git a/modules/core/client/app/trans-string-zh.js b/modules/core/client/app/trans-string-zh.js
index 5dcfa3cb..2c24076e 100644
--- a/modules/core/client/app/trans-string-zh.js
+++ b/modules/core/client/app/trans-string-zh.js
@@ -14,6 +14,7 @@
 
   var string_zh = {
     COMINGSOON: '开发中，请稍候...',
+    DEMO_INFO: '欢迎进入meanTorrent演示站点, 您可以手动注册一个普通帐户或者使用admin演示帐号 <mark>demo</mark> 与密码 <mark>demoAdmin12#</mark>登录, 但请不要删除我们的演示数据, 谢谢!',
 
     //client topbar menu
     MENU_CHAT: '聊天室',
@@ -468,6 +469,8 @@
     SEND_INVITE_SUCCESSFULLY: '发送邀请成功',
     SEND_INVITE_ERROR: '发送邀请失败',
     INVALID_INVITATION_TIP: '无效的邀请, 该邀请可能已过期.',
+    INVITATION_IS_EMPTY: '没有可用的邀请函!',
+    INVITATION_USED_IS_EMPTY: '没有发送过的邀请!',
 
     //user message box
     MESSAGES_BOX: '站内消息',
diff --git a/modules/invitations/client/views/detail.client.view.html b/modules/invitations/client/views/detail.client.view.html
index 608dec59..60894dd2 100644
--- a/modules/invitations/client/views/detail.client.view.html
+++ b/modules/invitations/client/views/detail.client.view.html
@@ -8,7 +8,7 @@
             </div>
         </div>
 
-        <div class="row" ng-hide="vm.my_invitations.length<=0">
+        <div class="row">
             <div class="col-sm-10 col-sm-offset-1">
                 <div class="panel panel-default">
                     <div class="panel-heading text-center mt-title">
@@ -21,7 +21,11 @@
                         </p>
                     </div>
 
-                    <div class="table-responsive">
+                    <div class="table-responsive margin-bottom-50 padding-top-40 padding-bottom-50 text-center" ng-if="vm.my_invitations.length<=0">
+                        <h4>{{ 'INVITATION_IS_EMPTY' | translate }}</h4>
+                    </div>
+
+                    <div class="table-responsive" ng-if="vm.my_invitations.length>0">
                         <table class="table table-hover table-valign-middle">
                             <thead>
                                 <tr>
@@ -58,7 +62,7 @@
             </div>
         </div>
 
-        <div class="row margin-top-10" ng-hide="vm.used_invitations.length<=0">
+        <div class="row margin-top-10">
             <div class="col-sm-10 col-sm-offset-1">
                 <div class="panel panel-default">
                     <div class="panel-heading text-center mt-title">
@@ -71,7 +75,11 @@
                         </p>
                     </div>
 
-                    <div class="table-responsive">
+                    <div class="table-responsive margin-bottom-50 padding-top-40 padding-bottom-50 text-center" ng-if="vm.my_invitations.length<=0">
+                        <h4>{{ 'INVITATION_USED_IS_EMPTY' | translate }}</h4>
+                    </div>
+
+                    <div class="table-responsive" ng-if="vm.used_invitations.length>0">
                         <table class="table table-hover table-valign-middle">
                             <thead>
                                 <tr>
diff --git a/modules/messages/client/views/box.client.view.html b/modules/messages/client/views/box.client.view.html
index fab4d31b..7b8b03d3 100644
--- a/modules/messages/client/views/box.client.view.html
+++ b/modules/messages/client/views/box.client.view.html
@@ -30,7 +30,7 @@
             </div>
 
             <div class="table-responsive margin-top-50 margin-bottom-50 padding-top-40 padding-bottom-50 text-center" ng-if="!vm.pagedItems.length">
-                <h3>{{ 'MESSAGES_IS_EMPTY' | translate }}</h3>
+                <h4>{{ 'MESSAGES_IS_EMPTY' | translate }}</h4>
             </div>
             <div class="table-responsive" ng-if="vm.pagedItems.length">
                 <table class="table table-hover tb-v-middle">