From fcadf65688dabf8b1a154680e3351142736fdd1c Mon Sep 17 00:00:00 2001
From: cxt <pinecxt@163.com>
Date: Tue, 29 Nov 2016 11:14:35 +0800
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---
 app/views/courses/delete_member.js.erb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/views/courses/delete_member.js.erb b/app/views/courses/delete_member.js.erb
index 89588f4c1..4e31a87c1 100644
--- a/app/views/courses/delete_member.js.erb
+++ b/app/views/courses/delete_member.js.erb
@@ -1,5 +1,9 @@
 hideModal();
-$("#member_li_<%=params[:member_id] %>").html("");
+var all_indexes = $("#member_li_<%=params[:member_id] %>").nextAll().find("td:first-child");
+for(var i = 0; i < all_indexes.length; i++){
+    $(all_indexes[i]).html(parseInt($(all_indexes[i]).html()) - 1);
+}
+$("#member_li_<%=params[:member_id] %>").remove();
 $("#st_groups").html("<%=escape_javascript(render :partial => 'new_groups_name', :locals => {:course_groups => @course_groups}) %>");
 $("#group_children_list").html("<%= escape_javascript( render :partial => 'layouts/group_children_list', :locals => {:course => @course})%>");
 $("#student_number").html("<%= studentCount(@course) %>");