diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 72e9c1728..b2f87ba72 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -56,6 +56,7 @@ class CoursesController < ApplicationController
     end
   end
 
+  #更新课程信息
   def update
     @course.safe_attributes = params[:course]
     @course.class_period = params[:class_period]
diff --git a/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb b/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
index c719629ae..95bda9bb0 100644
--- a/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
+++ b/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
@@ -118,7 +118,7 @@ module Redmine
               scope = scope.visible(user1, options)
             elsif provider_options.has_key?(:func) && provider_options[:func].eql?('memos')
               scope = scope
-            elsif  event_type.to_s == 'course_files'
+            elsif  event_type.to_s == 'course_files' ||  event_type.to_s == 'course_journals_for_messages' || event_type.to_s == 'course_messages'
               scope = scope
             else
               ActiveSupport::Deprecation.warn "acts_as_activity_provider with implicit :permission option is deprecated. Add a visible scope to the #{self.name} model or use explicit :permission option."
diff --git a/lib/redmine/activity/fetcher.rb b/lib/redmine/activity/fetcher.rb
index 0204979e9..0793ff88f 100644
--- a/lib/redmine/activity/fetcher.rb
+++ b/lib/redmine/activity/fetcher.rb
@@ -103,7 +103,9 @@ module Redmine
 
         @scope.each do |event_type|
           constantized_providers(event_type).each do |provider|
-            e += provider.find_events1(event_type, @user, from, to, @options)
+            if event_type.to_s != 'course_journals_for_messages'
+              e += provider.find_events1(event_type, @user, from, to, @options)
+            end
           end
         end