diff --git a/app/controllers/api/pm/issues_controller.rb b/app/controllers/api/pm/issues_controller.rb
index ce0981a89..19ab28435 100644
--- a/app/controllers/api/pm/issues_controller.rb
+++ b/app/controllers/api/pm/issues_controller.rb
@@ -246,7 +246,7 @@ class Api::Pm::IssuesController < Api::Pm::BaseController
     compare_link_issues_ids = children_issues.pluck(:id) | linkable_issues.pluck(:id) | belinkable_issues.pluck(:id)
     i = compare_link_issues_ids.count
     while i > 0 do 
-      children_issues = Issue.where(root_id: compare_link_issues_ids).where.not(pm_issue_type: 1)
+      children_issues = Issue.where(root_id: compare_link_issues_ids)
       linkable_issues = Issue.where(id: PmLink.where(linkable_type: "Issue", linkable_id: compare_link_issues_ids).pluck(:be_linkable_id))
       belinkable_issues = Issue.where(id: PmLink.where(be_linkable_type: "Issue", be_linkable_id: compare_link_issues_ids).pluck(:linkable_id))
 
@@ -254,6 +254,10 @@ class Api::Pm::IssuesController < Api::Pm::BaseController
       full_link_issues_ids = full_link_issues_ids | compare_link_issues_ids
       i = compare_link_issues_ids.count
     end
+    exclude_issues_array = Issue.where(id: full_link_issues_ids).where.not(root_id: nil).pluck(:id, :root_id)
+    exclude_issues_array.each do |i| 
+      full_link_issues_ids - [i[0]] if full_link_issues_ids.include?(i[1]) 
+    end
 
     @requirement_issues = Issue.where(id:full_link_issues_ids, pm_issue_type:1).pm_includes
     @task_issues = Issue.where(id:full_link_issues_ids, pm_issue_type:2).pm_includes