diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index fb01e0398..b388b660c 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -317,6 +317,7 @@ class CoursesService
             elsif current_user.allowed_to?(:as_teacher,course)
               @state = 3
             else
+              Mailer.run.join_course_request(course, User.current, params[:role])
               #如果加入角色为教师或者教辅
               CourseMessage.create(:user_id => course.tea_id, :course_id => course.id, :viewed => false,:content=> params[:role],:course_message_id=>User.current.id,:course_message_type=>'JoinCourseRequest',:status=>0)
               @state = 6
@@ -337,6 +338,7 @@ class CoursesService
               if CourseMessage.where("course_message_type = 'JoinCourseRequest' and user_id = #{course.tea_id} and content = #{params[:role]} and course_message_id = #{User.current.id} and course_id = #{course.id} and status = 0").count != 0
                 @state = 7
               else
+                Mailer.run.join_course_request(course, User.current, params[:role])
                 CourseMessage.create(:user_id => course.tea_id, :course_id => course.id, :viewed => false,:content=> params[:role],:course_message_id=>User.current.id,:course_message_type=>'JoinCourseRequest',:status=>0)
                 @state = 6
               end
diff --git a/app/views/users/_user_message_course.html.erb b/app/views/users/_user_message_course.html.erb
index 2398fd8c5..afbeb5ed5 100644
--- a/app/views/users/_user_message_course.html.erb
+++ b/app/views/users/_user_message_course.html.erb
@@ -309,7 +309,7 @@
                     <% content = ma.content.gsub("作业评分：","").split("&nbsp;&nbsp;&nbsp; 评语：")%>
                     <li>作品评分：<span style="color:Red;"><%= content[0] %>分</span></li>
                     <% if content.size > 1 %>
-                        <div class="fl"><li>作品评语：</li></div>
+                        <div class="fl" style="width:74px;"><li>作品评语：</li></div>
                         <div style="margin-left:74px"><span style="color:Red;"><%= content[1] %></span></div>
                     <% end %>
                   </ul>