diff --git a/app/controllers/api/pm/issues_controller.rb b/app/controllers/api/pm/issues_controller.rb
index 1b3563a80..ef9d02b50 100644
--- a/app/controllers/api/pm/issues_controller.rb
+++ b/app/controllers/api/pm/issues_controller.rb
@@ -141,7 +141,7 @@ class Api::Pm::IssuesController < Api::Pm::BaseController
       :participant_category,
       :keyword, :author_id,
       :milestone_id, :assigner_id,
-      :status_id,
+      :status_id, :priority_id,
       :begin_date, :end_date,
       :sort_by, :sort_direction, :root_id,
       :issue_tag_ids, :pm_project_id, :pm_sprint_id, :pm_issue_type,
diff --git a/app/services/api/v1/issues/list_service.rb b/app/services/api/v1/issues/list_service.rb
index 6411f99e6..c9e66d576 100644
--- a/app/services/api/v1/issues/list_service.rb
+++ b/app/services/api/v1/issues/list_service.rb
@@ -3,7 +3,7 @@ class Api::V1::Issues::ListService < ApplicationService
 
   attr_reader :project, :only_name, :category, :participant_category, :keyword, :author_id, :issue_tag_ids
   attr_reader :begin_date, :end_date
-  attr_reader :milestone_id, :assigner_id, :status_id, :sort_by, :sort_direction, :current_user
+  attr_reader :milestone_id, :assigner_id, :status_id, :priority_id, :sort_by, :sort_direction, :current_user
   attr_reader :pm_project_id, :pm_sprint_id, :root_id, :pm_issue_type, :status_ids, :ids, :exclude_ids
   attr_accessor :queried_issues, :total_issues_count, :closed_issues_count, :opened_issues_count, :complete_issues_count
 
@@ -23,6 +23,7 @@ class Api::V1::Issues::ListService < ApplicationService
     @issue_tag_ids = params[:issue_tag_ids].present? ? params[:issue_tag_ids].split(',') : []
     @milestone_id = params[:milestone_id]
     @assigner_id = params[:assigner_id]
+    @priority_id = params[:priority_id]
     @status_id = params[:status_id]
     @begin_date = params[:begin_date]
     @end_date = params[:end_date]
@@ -103,6 +104,9 @@ class Api::V1::Issues::ListService < ApplicationService
     # status_id
     issues = issues.where(status_id: status_id) if status_id.present? && category != 'closed'
 
+    # priority_id
+    issues = issues.where(priority_id: priority_id) if priority_id.present?
+
     # status_ids 
     issues = issues.where(status_id: status_ids) unless status_ids.blank?