diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index d616daadc..be69b1777 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -342,10 +342,15 @@ class CoursesController < ApplicationController
 
   def export_course_member_excel
     @all_members = student_homework_score(0,0,0,"desc")
+    filename="#{@course.teacher.lastname.to_s + @course.teacher.firstname.to_s }_#{@course.name}_#{@course.time.to_s + @course.term}#{l(:excel_member_list)}";
+    # 如果是ie11 需要转码
+    if(/rv\:11\.0/.match(request.env["HTTP_USER_AGENT"]) != nil)
+      filename= URI::encode(filename)
+    end
     respond_to do |format|
       format.xls {
         send_data(member_to_xls(@all_members,@course.course_groups), :type => "text/excel;charset=utf-8; header=present",
-                  :filename => "#{@course.teacher.lastname.to_s + @course.teacher.firstname.to_s }_#{@course.name}_#{@course.time.to_s + @course.term}#{l(:excel_member_list)}.xls")
+                  :filename => "#{filename}.xls")
       }
     end
   end