diff --git a/lib/bitflyer/cli/command/summary_command.rb b/lib/bitflyer/cli/command/summary_command.rb
index ddf0086..28a30c4 100644
--- a/lib/bitflyer/cli/command/summary_command.rb
+++ b/lib/bitflyer/cli/command/summary_command.rb
@@ -9,8 +9,6 @@ class SummaryCommand
   include HasHTTPClient
   include HasRealtimeClient
 
-  BUFFER_SIZE = 30
-
   def initialize
     @current_price = 0.0
 
@@ -23,6 +21,7 @@ def initialize
 
   def run # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
     $stdout.sync = true
+    print "\e[?25l"
 
     Thread.new do
       loop do
@@ -31,6 +30,8 @@ def run # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
       end
     end
 
+    puts "\n" * 3
+
     loop do
       print <<~EOS
         \e[4F\e[0JCurrent:  #{@current_price.to_i.to_s.split_by_comma}
@@ -40,6 +41,10 @@ def run # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
       EOS
       sleep 0.1
     end
+  rescue Interrupt
+    # exit
+  ensure
+    print "\e[?25h"
   end
 
   private