修改编程作业语言不成功

app/controllers/homework_common_controller.rb

@@ -209,7 +209,7 @@ class HomeworkCommonController < ApplicationController
     end
 
     if @homework.homework_type == 2 && @homework_detail_programing #编程作业
-      @homework_detail_programing.language = "C++"
+      @homework_detail_programing.language = params[:language]
       @homework_detail_programing.standard_code = params[:standard_code]
       @homework_detail_programing.ta_proportion = params[:ta_proportion] || 0.6
       homework_tests = @homework.homework_tests

app/views/homework_common/_homework_detail_programing_form.html.erb

@@ -56,7 +56,7 @@
   <ul>
     <li >
       <label class="label02">&nbsp;开发语言：&nbsp;</label>
-      <%= select_tag :language,options_for_select(programing_languages_options,homework.homework_detail_programing.language), {:class => "fl mb10 h26 w70"}  %>
+      <%= select_tag :language,options_for_select(programing_languages_options,homework.homework_detail_programing.language.to_i), {:class => "fl mb10 h26 w70"}  %>
       <div class="cl"></div>
     </li>