diff --git a/app/models/dapp.rb b/app/models/dapp.rb
index 21e1a16..1b6dfba 100644
--- a/app/models/dapp.rb
+++ b/app/models/dapp.rb
@@ -17,4 +17,16 @@ class Dapp < ApplicationRecord
     exchange: 30,
   }
 
+  def name_or_default
+    name.blank? ? name_zh_cn : name
+  end
+
+  def intro_or_default
+    intro.blank? ? intro_zh_cn : intro
+  end
+
+  def desc_or_default
+    desc.blank? ? desc_zh_cn : desc
+  end
+
 end
diff --git a/app/models/dapp_type.rb b/app/models/dapp_type.rb
index 13e349f..6d48c91 100644
--- a/app/models/dapp_type.rb
+++ b/app/models/dapp_type.rb
@@ -6,4 +6,8 @@ class DappType < ApplicationRecord
   globalize_accessors
 
   scope :default_order, -> { order(id: :asc) }
+
+  def name_or_default
+    name.blank? ? name_zh_cn : name
+  end
 end
diff --git a/app/views/dapps/show.html.erb b/app/views/dapps/show.html.erb
index 65292b5..c20e2d3 100644
--- a/app/views/dapps/show.html.erb
+++ b/app/views/dapps/show.html.erb
@@ -1,14 +1,14 @@
-<% @page_title = @dapp.name || @dapp.name_zh_cn %>
+<% @page_title = @dapp.name_or_default %>
 
 <div id='id-store' class='storeinfo'
-  data-category=<%= @dapp.dapp_type.name || @dapp.dapp_type.name_zh_cn %>
-  data-name=<%= @dapp.name || @dapp.name_zh_cn %>
+  data-category=<%= @dapp.dapp_type.name_or_default %>
+  data-name=<%= @dapp.name_or_default %>
   ></div>
 
 <div id='id-page-info' class='dappsContainer'>
   <div id='id-container-main'>
     <img class="mainimg" src=<%= @dapp.logo_url %> alt="mainimg">
-    <div class="title"><%= @dapp.name || @dapp.name_zh_cn %></div>
+    <div class="title"><%= @dapp.name_or_default %></div>
     <a class="link" href=<%= @dapp.marketing_url %>><%= @dapp.url_address %></a>
     <div id='id-div-stars'>
       <% @star.times do |i| %>
@@ -24,7 +24,7 @@
   <div id='id-container-intro'>
     <div class="title"><%= t("overview") %></div>
     <div class="intro">
-      <%= @dapp.intro || @dapp.intro_zh_cn %>
+      <%= @dapp.intro_or_default %>
     </div>
     <div class="time">
       <%= t("submitted_at") %>: <%= @dapp.publish_at&.strftime("%Y-%m-%d") %>