diff --git a/Gemfile b/Gemfile
index cbeade2a3..416ef3b98 100644
--- a/Gemfile
+++ b/Gemfile
@@ -50,10 +50,10 @@ gem 'elasticsearch-model'
 gem 'elasticsearch-rails'
 
 #rails 3.2.22.2 bug
- gem "test-unit", "~>3.0"
+ #gem "test-unit", "~>3.0"
 
 ### profile
- gem 'oneapm_rpm'
+ #gem 'oneapm_rpm'
 
 group :development do
   gem 'grape-swagger'
diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 4511e5a1f..c82c1f947 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -146,7 +146,7 @@ class HomeworkCommonController < ApplicationController
         @homework_detail_group = @homework.homework_detail_group
         @homework_detail_group.min_num = params[:min_num].to_i if params[:min_num]
         @homework_detail_group.max_num = params[:max_num].to_i if params[:max_num]
-        @homework_detail_group.base_on_project = params[:base_on_project].to_i if params[:base_on_project]
+        @homework_detail_group.base_on_project = params[:base_on_project] ? 1 : 0
       end
 
       @homework.anonymous_comment = params[:homework_common][:anonymous_comment] ? params[:homework_common][:anonymous_comment].to_i : 1