diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 2e514b6e9..c36abbd8d 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -65,12 +65,13 @@ module Mobile
           requires :is_public, type: Integer, desc: '是否公开 1公开 0私有'
           requires :open_student, type: Integer, desc: '是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表'
           requires :course_type, type:Integer, desc: '暂时传1'
-          requires :term, type: String, desc: '学期（秋秀学期或春秀学期）'
+          requires :term, type: String, desc: '学期（秋季学期或春季学期）'
           requires :time, type: String, desc: '年份'
           requires :class_period, type: String, desc: '学时总数'
         end
         post do
           authenticate!
+          cs = CoursesService.new
           cs_params = {
             course: params.reject{|k,v| [:term,:time,:class_period].include?(k)},
             term: params[:term],
@@ -79,7 +80,7 @@ module Mobile
           }
           course = ::Course.find(params[:course_id])
           cs.edit_course_authorize(current_user,course)
-          course = cs.edit_course(cs_params, course)
+          course = cs.edit_course(cs_params, course,current_user)
           present :data, course, with: Mobile::Entities::Course
           present :status, 0
         end
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 985c33aab..19cca8e70 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -95,7 +95,7 @@ class CoursesController < ApplicationController
   #更新课程信息
   def update
     cs = CoursesService.new
-    @course = cs.edit_course params,@course
+    @course = cs.edit_course params,@course,User.current
     if @course.errors.full_messages.count <= 0
         respond_to do |format|
           format.html {
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 3f025c892..b9489be4e 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -175,8 +175,9 @@ class CoursesService
   #params[:term]：学期（秋季学期或春季学期）
   #params[:time]: 年份（例：2014）
   #params[:class_period]:学时总数
-  def edit_course params,course
-    course.safe_attributes = params[:course]
+  def edit_course(params,course,current_user)
+    course.send(:safe_attributes=, params[:course], current_user)
+    #course.safe_attributes = params[:course]
     course.time = params[:time]
     course.term = params[:term]
     course.class_period = params[:class_period]