diff --git a/app/controllers/api/pm/issues_controller.rb b/app/controllers/api/pm/issues_controller.rb
index a10a70bce..687fa986e 100644
--- a/app/controllers/api/pm/issues_controller.rb
+++ b/app/controllers/api/pm/issues_controller.rb
@@ -237,7 +237,42 @@ class Api::Pm::IssuesController < Api::Pm::BaseController
     end
   end
 
+  def link_issues
+    children_issues = Issue.where(root_id: @issue.id)
+    linkable_issues = Issue.where(id: PmLink.where(linkable_type: "Issue", linkable_id: @issue.id).pluck(:be_linkable_id))
+    belinkable_issues = Issue.where(id: PmLink.where(be_linkable_type: "Issue", be_linkable_id: @issue.id).pluck(:linkable_id))
+
+    full_link_issues_ids = children_issues.pluck(:id) | linkable_issues.pluck(:id) | belinkable_issues.pluck(:id)
+    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)
+      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))
+
+      compare_link_issues_ids = children_issues.pluck(:id) | linkable_issues.pluck(:id) | belinkable_issues.pluck(:id)
+      full_link_issues_ids = full_link_issues_ids | compare_link_issues_ids
+      i = compare_link_issues_ids.count
+    end
+
+    @requirement_issues = Issue.where(id:full_link_issues_ids, pm_issue_type:1)
+    @task_issues = Issue.where(id:full_link_issues_ids, pm_issue_type:2)
+    @bug_issues = Issue.where(id:full_link_issues_ids, pm_issue_type:3)
+  end
+
   private
+  def circle_link_issues(issue_ids)
+    if issue_ids.present?
+      children_issues = Issue.joins(:parent_issue).where(issues: {id: issue_ids})
+      linkable_issues = Issue.where(id: PmLink.where(linkable_type: "Issue", linkable_id: issue_ids))
+      belinkable_issues = Issue.where(id: PmLink.where(be_linkable_type: "Issue", be_linkable_id: issue_ids))
+
+      return circle_link_issues(children_issues.pluck(:id))
+    else
+      return []
+    end
+  end
+
   def check_issue_operate_permission
     return if params[:project_id].to_i.zero?
     render_forbidden('您没有操作权限！') unless @project.member?(current_user) || current_user.admin? || @issue.user == current_user
diff --git a/app/views/api/pm/issues/link_issues.json.jbuilder b/app/views/api/pm/issues/link_issues.json.jbuilder
new file mode 100644
index 000000000..f20208bf6
--- /dev/null
+++ b/app/views/api/pm/issues/link_issues.json.jbuilder
@@ -0,0 +1,11 @@
+json.requirement_issues @requirement_issues.each do |issue| 
+  json.partial! "api/v1/issues/simple_detail", locals: {issue: issue}
+end
+
+json.task_issues @task_issues.each do |issue| 
+  json.partial! "api/v1/issues/simple_detail", locals: {issue: issue}
+end
+
+json.bug_issues @bug_issues.each do |issue| 
+  json.partial! "api/v1/issues/simple_detail", locals: {issue: issue}
+end
\ No newline at end of file
diff --git a/config/routes/api.rb b/config/routes/api.rb
index a1596d485..a6fe42d86 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -14,6 +14,7 @@ defaults format: :json do
         member do
           get :link_index
           get :parent_issues
+          get :link_issues
         end
         resources :issue_links