diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index b4604892d..c1fa48be8 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -192,11 +192,15 @@ class FilesController < ApplicationController
           end
         end
       else
+        tip_exception("资源名称不能为空") if params[:name].blank?
+        tip_exception("资源名称不能超过60个字符") if params[:name].strip.length > 60
+        tip_exception("链接地址不能为空") if params[:link].blank?
         attachment = Attachment.new
         attachment.container = @course
         attachment.course_second_category_id = course_second_category_id
-        attachment.filename = params[:name]
-        attachment.link = params[:link]
+        attachment.author_id = current_user.id
+        attachment.filename = params[:name].strip
+        attachment.link = params[:link].strip
         attachment.description = params[:description]
         attachment.is_public = params[:is_public] && @course.is_public == 1 ? 1 : 0
         attachment.is_publish = @atta_is_publish