...

app/controllers/courses_controller.rb

@@ -343,8 +343,8 @@ 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)
+    # 如果是ie 需要转码
+    if(/trident/.match(request.env["HTTP_USER_AGENT"]) != nil)
       filename= URI::encode(filename)
     end
     respond_to do |format|