diff --git a/app/views/courses/search_public_orgs_not_in_course.js.erb b/app/views/courses/search_public_orgs_not_in_course.js.erb
index 76f9bcedb..084583d2a 100644
--- a/app/views/courses/search_public_orgs_not_in_course.js.erb
+++ b/app/views/courses/search_public_orgs_not_in_course.js.erb
@@ -1,3 +1,7 @@
+if($("#join_orgs_for_course input:checked").size() > 0)
+{
+    alert("翻页或搜索后将丢失当前选择的用户数据");
+}
 $("#search_orgs_result_list").html("");
 $("#search_orgs_result_list").append('<ul class="ml20">');
 <% @orgs_not_in_course.each do |org|%>
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index 80e39ea4f..5d89e6442 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -1289,6 +1289,7 @@ function course_outline(id){
 
 //取消课程组织关联
 function cancel_org_course_relation(id, courseId){
+    if(confirm("确定取消关联吗？") == false) return;
     $.ajax({
         url:"/org_courses/" + id + "?course_id=" + courseId,
         type: "delete",
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index c3888aec7..31d487bd9 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -530,6 +530,7 @@ function zip(){
 
 //取消关联
 function cancel_relation(orgId,projectId){
+    if(confirm("确定取消关联吗？") == false) return;
     $.ajax({
         url:'/org_projects/'+orgId+"?project_id="+projectId,
         type:'DELETE',