diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 230426b91..9cdbe87a5 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -422,11 +422,12 @@ class UsersController < ApplicationController
   end
 
   def choose_user_course
+    homework = HomeworkCommon.find params[:homework].to_i
     if !params[:search].nil?
       search = "%#{params[:search].to_s.strip.downcase}%"
-      @course = @user.courses.where(" #{Course.table_name}.id = #{params[:search].to_i } or #{Course.table_name}.name like :p",:p=>search).select { |course|  @user.allowed_to?(:as_teacher,course)}
+      @course = @user.courses.where("#{Course.table_name}.id != #{homework.course_id} and #{Course.table_name}.id = #{params[:search].to_i } or #{Course.table_name}.name like :p",:p=>search).select { |course|  @user.allowed_to?(:as_teacher,course)}
     else
-      @course = @user.courses.select { |course|  @user.allowed_to?(:as_teacher,course)}
+      @course = @user.courses.where("#{Course.table_name}.id != #{homework.course_id}").select { |course|  @user.allowed_to?(:as_teacher,course)}
     end
     @search = params[:search]
     #这里仅仅是传递需要发送的资源id
diff --git a/app/views/users/user_homeworks.html.erb b/app/views/users/user_homeworks.html.erb
index 2fa1dc791..7adaa4621 100644
--- a/app/views/users/user_homeworks.html.erb
+++ b/app/views/users/user_homeworks.html.erb
@@ -20,10 +20,11 @@
         if(check.length == 0) {
             $("#choose_homework_notice").text("请先选择一个作业");
         } else {
+            var hw_id = $('input[name="checkMenu"]:checked').val();
             $("#choose_homework_notice").text("");
             $.ajax({
                 type: 'get',
-                url: '/users/' + user_id + '/choose_user_course',
+                url: '/users/' + user_id + '/choose_user_course?homework='+hw_id,
                 data:{send_id:$('input[name="checkMenu"]:checked').val()}
             });
         }