diff --git a/app/models/user.rb b/app/models/user.rb
index 332ce74..e5fcf2d 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -13,6 +13,7 @@ class User
   ENCRYPTED_PASSWORD_FILE = Rails.root + "db/#{Rails.env}-user.txt"
 
   attr_accessor :name, :password, :password_confirmation, :current_password
+  attr_writer :password_digest
 
   validates :name, presence: true
   validates :password, length: { minimum: 8 }
@@ -28,10 +29,6 @@ class User
       end
   end
 
-  def password_digest=(digest)
-    @password_digest = digest
-  end
-
   def update_attributes(params)
     params.each_pair do |key, value|
       send("#{key}=", value)
diff --git a/app/views/fluentd/settings/in_syslog/_form.html.haml b/app/views/fluentd/settings/in_syslog/_form.html.haml
index 7b84c63..0a13165 100644
--- a/app/views/fluentd/settings/in_syslog/_form.html.haml
+++ b/app/views/fluentd/settings/in_syslog/_form.html.haml
@@ -5,5 +5,5 @@
   = field(f, :bind)
   = field(f, :port)
   = field(f, :types)
-  = f.submit t('fluentd.common.finish')   , class: "btn btn-lg btn-primary pull-right"
+  = f.submit t('fluentd.common.finish'), class: "btn btn-lg btn-primary pull-right"
 
diff --git a/app/views/fluentd/settings/out_forward/_form.html.haml b/app/views/fluentd/settings/out_forward/_form.html.haml
index 7cbce73..1c584a2 100644
--- a/app/views/fluentd/settings/out_forward/_form.html.haml
+++ b/app/views/fluentd/settings/out_forward/_form.html.haml
@@ -17,6 +17,6 @@
       = field(f, :heartbeat_interval)
       = field(f, :phi_threshold)
       = field(f, :hard_timeout)
-  = f.submit t('fluentd.common.finish')   , class: "btn btn-lg btn-primary pull-right"
+  = f.submit t('fluentd.common.finish'), class: "btn btn-lg btn-primary pull-right"
 
 
diff --git a/app/views/fluentd/settings/out_mongo/_form.html.haml b/app/views/fluentd/settings/out_mongo/_form.html.haml
index 22c30f5..4d5f3e4 100644
--- a/app/views/fluentd/settings/out_mongo/_form.html.haml
+++ b/app/views/fluentd/settings/out_mongo/_form.html.haml
@@ -26,5 +26,5 @@
       = field(f, :retry_limit)
       = field(f, :max_retry_wait)
       = field(f, :num_threads)
-  = f.submit t('fluentd.common.finish')   , class: "btn btn-lg btn-primary pull-right"
+  = f.submit t('fluentd.common.finish'), class: "btn btn-lg btn-primary pull-right"
 
diff --git a/app/views/fluentd/settings/out_s3/_form.html.haml b/app/views/fluentd/settings/out_s3/_form.html.haml
index d1b025f..51e9b40 100644
--- a/app/views/fluentd/settings/out_s3/_form.html.haml
+++ b/app/views/fluentd/settings/out_s3/_form.html.haml
@@ -34,6 +34,6 @@
       = field(f, :retry_limit)
       = field(f, :max_retry_wait)
       = field(f, :num_threads)
-  = f.submit t('fluentd.common.finish')   , class: "btn btn-lg btn-primary pull-right"
+  = f.submit t('fluentd.common.finish'), class: "btn btn-lg btn-primary pull-right"
 
 
diff --git a/app/views/fluentd/settings/out_td/_form.html.haml b/app/views/fluentd/settings/out_td/_form.html.haml
index c41dfde..ae04120 100644
--- a/app/views/fluentd/settings/out_td/_form.html.haml
+++ b/app/views/fluentd/settings/out_td/_form.html.haml
@@ -15,4 +15,4 @@
       = field(f, :flush_interval)
       = field(f, :buffer_type)
       = field(f, :buffer_path)
-  = f.submit t('fluentd.common.finish')   , class: "btn btn-lg btn-primary pull-right"
+  = f.submit t('fluentd.common.finish'), class: "btn btn-lg btn-primary pull-right"
diff --git a/app/views/shared/vue/_fluent_log.html.erb b/app/views/shared/vue/_fluent_log.html.erb
index a9f615a..65ceda2 100644
--- a/app/views/shared/vue/_fluent_log.html.erb
+++ b/app/views/shared/vue/_fluent_log.html.erb
@@ -2,20 +2,21 @@
 <% auto_reload ||= true %>
 <div id="fluent-log" logUrl="<%= log_tail_daemon_agent_path(fluentd) %>" initialAutoReload="<%= auto_reload ? "true" : "" %>">
   <p>
-  <button class="btn btn-primary" v-on="click: fetchLogs">
-    <%= t "terms.reload_log" %>
-  </button>
-  <input type="text" v-model="limit" size="4" v-on="keyup: fetchLogs | key enter" />
-  <%= t('terms.lines') %>
-  <label>
-    <input type="checkbox" v-model="autoFetch" /> <%= t "terms.auto_reload", seconds: 1 %>
-  </label>
-  <span v-if="processing"><%= icon('fa-spin fa-refresh') %></span>
-</p>
+    <button class="btn btn-primary" v-on="click: fetchLogs">
+      <%= t "terms.reload_log" %>
+    </button>
+    <input type="text" v-model="limit" size="4" v-on="keyup: fetchLogs | key enter" />
+    <%= t('terms.lines') %>
+    <label>
+      <input type="checkbox" v-model="autoFetch" /> <%= t "terms.auto_reload", seconds: 1 %>
+    </label>
+    <span v-if="processing"><%= icon('fa-spin fa-refresh') %></span>
+  </p>
 
 <pre v-if="isPresentedLogs"><!-- be careful indent -->
 <div class="log"><span v-repeat="logs">{{ $value }}
 </span></div></pre>
+
   <div v-if="!isPresentedLogs && !processing">
     <p>[log is empty]</p>
   </div>
diff --git a/app/views/tutorials/chapter1.html.erb b/app/views/tutorials/chapter1.html.erb
index 5cd92ed..9aa0d40 100644
--- a/app/views/tutorials/chapter1.html.erb
+++ b/app/views/tutorials/chapter1.html.erb
@@ -7,7 +7,7 @@
 </p>
 
 <p>
-<%= t ".description" %>
+  <%= t ".description" %>
 </p>
 
 <!-- vue.js -->