diff --git a/announcement.gemspec b/announcement.gemspec
index 42a4c86..7702f94 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -5,6 +5,7 @@ require "announcement/version"
 require 'json'
 require 'yaml'
 require 'fileutils'
+require 'open3'
 bundle_update_flag = ARGV[0]=='update' || ARGV[0]=='install'
 if bundle_update_flag
   env_pwd = ENV['PWD']
@@ -191,7 +192,7 @@ if bundle_update_flag
       end
     end
     bundler_with_clean_env{%x[cp -f '#{env_pwd}'/Gemfile '#{env_pwd}'/Gemfile.bak123]}
-    bundler_with_clean_env{%x[cp -f '#{app_path}'/temp_file/Gemfile '#{env_pwd}'/Gemfile]}
+    #bundler_with_clean_env{%x[cp -f '#{app_path}'/temp_file/Gemfile '#{env_pwd}'/Gemfile]}
     check_version = %x[cd #{env_pwd} && git rev-list `git rev-parse --abbrev-ref HEAD` | grep 2f23511469505bd114df2c863a477a8730bcdefa]
     if check_version.strip != '' #update mongoid version
       command4 = ""
@@ -250,7 +251,7 @@ if bundle_update_flag
       bundler_with_clean_env do
           puts env_pwd
           puts mode
-          exec("cd #{env_pwd} && env -i HOME=\"$HOME\" bash -l -c \"#{all_command}\" ;screen -d -m -S auto_reopen_#{dir_name} bash -c \"#{use_cmd} #{restart_cmd};#{watch_dog_cmd}\" ")
+          Open3.capture3("cd #{env_pwd} && env -i HOME=\"$HOME\" bash -l -c \"#{all_command}\" ;screen -d -m -S auto_reopen_#{dir_name} bash -c \"#{use_cmd} #{restart_cmd};#{watch_dog_cmd}\" ")
       end
     end
     now_priority = Thread.current.priority.to_i