diff --git a/app/controllers/plugins_controller.rb b/app/controllers/plugins_controller.rb
index 5fd2351..a78ecc9 100644
--- a/app/controllers/plugins_controller.rb
+++ b/app/controllers/plugins_controller.rb
@@ -1,6 +1,6 @@
 class PluginsController < ApplicationController
   def index
-    redirect_to updated_plugins_path
+    redirect_to installed_plugins_path
   end
 
   def installed
diff --git a/app/views/plugins/installed.html.haml b/app/views/plugins/installed.html.haml
index 9880ebf..b0956d9 100644
--- a/app/views/plugins/installed.html.haml
+++ b/app/views/plugins/installed.html.haml
@@ -3,19 +3,14 @@
 %table{class: "table table-striped table-hover"}
   %thead
     %tr
-      %th{width: "32"}
       %th= t('.name')
       %th= t('.status')
       %th= t('.installed_version')
-      %th= t('.latest_version')
       %th
+      %th{width: "32"}
   %tbody
     - @plugins.each do |plugin|
       %tr
-        %td
-          = form_tag(uninstall_plugins_path, method: :patch) do
-            = hidden_field_tag("plugins[]", plugin.gem_name)
-            = submit_tag t('.uninstall'), class: "btn btn-default"
         %td
           %label{for: "plugin_#{plugin.gem_name}"}
             = plugin.gem_name
@@ -29,12 +24,14 @@
             = t(".not_installed")
         %td
           = plugin.installed_version
-        %td
-          = plugin.latest_version
         %td
           = form_tag(upgrade_plugins_path, method: :patch) do
             = hidden_field_tag("plugins[name]", plugin.gem_name)
             %select{name: "plugins[version]"}
               - plugin.released_versions.each do |ver|
                 %option{value: ver, disabled: (ver == plugin.installed_version)}= ver
-            = submit_tag "version fix", class: "btn btn-sm btn-info"
+            = submit_tag t('.install_specific_version'), class: "btn btn-info"
+        %td
+          = form_tag(uninstall_plugins_path, method: :patch) do
+            = hidden_field_tag("plugins[]", plugin.gem_name)
+            = submit_tag t('.uninstall'), class: "btn btn-danger"
diff --git a/app/views/plugins/updated.html.haml b/app/views/plugins/updated.html.haml
index 675d240..26c65e5 100644
--- a/app/views/plugins/updated.html.haml
+++ b/app/views/plugins/updated.html.haml
@@ -30,5 +30,5 @@
             = plugin.installed_version
           %td
             = plugin.latest_version
-    = submit_tag t(".install"), class: "btn btn-primary"
+    = submit_tag t(".install_latest"), class: "btn btn-primary"
 
diff --git a/config/locales/translation_ja.yml b/config/locales/translation_ja.yml
index 02c701a..a61fbfd 100644
--- a/config/locales/translation_ja.yml
+++ b/config/locales/translation_ja.yml
@@ -4,6 +4,7 @@ ja:
     sign_out: ログアウト
     uninstall: アンインストール
     install: インストール
+    install_latest: 最新版をインストール
     upgrade: アップグレード
     installed: インストール済み
     not_installed: 未インストール
@@ -20,10 +21,11 @@ ja:
       version: バージョン
       installed_version: インストール済みバージョン
       latest_version: 最新バージョン
-      no_updates: 更新はありません
-      installed: &installed インストール済み
+      install_specific_version: このバージョンをインストール
+      no_updates: 更新されたプラグインはありません
+      installed: &installed インストール済みプラグイン
       recommended: &recommended おすすめプラグイン
-      updated: &updated 更新あり
+      updated: &updated 更新のあったプラグイン
     installed:
       <<: *common
       page_title: *installed