diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index 0d1c39104..57ad9d4ce 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -27,11 +27,13 @@ class CommentsController < ApplicationController
     raise Unauthorized unless @news.commentable?
 
     @comment = Comment.new
-    @comment.comments = params[:comment]
+    @comment.safe_attributes = params[:comment]
     @comment.author = User.current
     if @news.comments << @comment
-      ids = params[:asset_id].split(',')
-      update_kindeditor_assets_owner ids,@comment.id,OwnerTypeHelper::COMMENT
+      if params[:asset_id]
+        ids = params[:asset_id].split(',')
+        update_kindeditor_assets_owner ids,@comment.id,OwnerTypeHelper::COMMENT
+      end
       flash[:notice] = l(:label_comment_added)
     end
 
diff --git a/app/controllers/forums_controller.rb b/app/controllers/forums_controller.rb
index f59704a62..253e1d28d 100644
--- a/app/controllers/forums_controller.rb
+++ b/app/controllers/forums_controller.rb
@@ -63,8 +63,10 @@ class ForumsController < ApplicationController
 
     respond_to do |format|
       if @memo.save
-        ids = params[:asset_id].split(',')
-        update_kindeditor_assets_owner ids ,@memo.id,OwnerTypeHelper::MEMO
+        if params[:asset_id]
+         ids = params[:asset_id].split(',')
+         update_kindeditor_assets_owner ids ,@memo.id,OwnerTypeHelper::MEMO
+        end
         #end
         format.html { redirect_to (forum_memo_url(@forum, (@memo.parent_id.nil? ? @memo : @memo.parent_id))), notice: "#{l :label_memo_create_succ}" }
         format.json { render json: @memo, status: :created, location: @memo }
@@ -170,8 +172,10 @@ class ForumsController < ApplicationController
       # Author lizanle
       # Description after save后需要进行资源记录的更新
       # owner_type = 2 对应的是 forum
-      ids = params[:asset_id].split(',')
-      update_kindeditor_assets_owner ids ,@forum.id,OwnerTypeHelper::FORUM
+      if params[:asset_id]
+        ids = params[:asset_id].split(',')
+        update_kindeditor_assets_owner ids ,@forum.id,OwnerTypeHelper::FORUM
+      end
       #end
       respond_to do |format|
 
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 2ad388f41..c58ebf851 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -87,9 +87,10 @@ class MessagesController < ApplicationController
       @message.save_attachments(params[:attachments])
       if @message.save
         # 更新kindeditor上传的图片资源所有者
-        ids = params[:asset_id].split(',')
-        update_kindeditor_assets_owner ids,@message.id,OwnerTypeHelper::MESSAGE
-
+        if params[:asset_id]
+          ids = params[:asset_id].split(',')
+          update_kindeditor_assets_owner ids,@message.id,OwnerTypeHelper::MESSAGE
+        end
         call_hook(:controller_messages_new_after_save, { :params => params, :message => @message})
         render_attachment_warning_if_needed(@message)
         redirect_to board_message_url(@board, @message)
@@ -121,8 +122,10 @@ class MessagesController < ApplicationController
     @topic.children << @reply
     #@topic.update_attribute(:updated_on, Time.now)
     if !@reply.new_record?
-      ids = params[:asset_id].split(',')
-      update_kindeditor_assets_owner ids,@reply.id,OwnerTypeHelper::MESSAGE
+      if params[:asset_id]
+       ids = params[:asset_id].split(',')
+       update_kindeditor_assets_owner ids,@reply.id,OwnerTypeHelper::MESSAGE
+      end
       call_hook(:controller_messages_reply_after_save, { :params => params, :message => @reply})
       attachments = Attachment.attach_files(@reply, params[:attachments])
       render_attachment_warning_if_needed(@reply)
diff --git a/app/controllers/news_controller.rb b/app/controllers/news_controller.rb
index 27c4aa37f..d41491349 100644
--- a/app/controllers/news_controller.rb
+++ b/app/controllers/news_controller.rb
@@ -137,8 +137,10 @@ class NewsController < ApplicationController
       @news.safe_attributes = params[:news]
       @news.save_attachments(params[:attachments])
       if @news.save
-        ids = params[:asset_id].split(',')
-        update_kindeditor_assets_owner ids,@news.id,OwnerTypeHelper::NEWS
+        if params[:asset_id]
+          ids = params[:asset_id].split(',')
+          update_kindeditor_assets_owner ids,@news.id,OwnerTypeHelper::NEWS
+        end
         render_attachment_warning_if_needed(@news)
         flash[:notice] = l(:notice_successful_create)
         redirect_to course_news_index_url(@course)
diff --git a/app/controllers/words_controller.rb b/app/controllers/words_controller.rb
index de2fbc732..680a13963 100644
--- a/app/controllers/words_controller.rb
+++ b/app/controllers/words_controller.rb
@@ -209,8 +209,10 @@ class WordsController < ApplicationController
     message = params[:new_form][:course_message]
     feedback = Course.add_new_jour(user, message, params[:id])
     if(feedback.errors.empty?)
-      ids = params[:asset_id].split(',')
-      update_kindeditor_assets_owner ids,feedback[:id],OwnerTypeHelper::JOURNALSFORMESSAGE
+      if params[:asset_id]
+        ids = params[:asset_id].split(',')
+        update_kindeditor_assets_owner ids,feedback[:id],OwnerTypeHelper::JOURNALSFORMESSAGE
+      end
       redirect_to course_feedback_url(params[:id]), notice: l(:label_feedback_success)
     else
       flash[:error] = feedback.errors.full_messages[0]