diff --git a/app/controllers/api/v1/projects/pulls/pulls_controller.rb b/app/controllers/api/v1/projects/pulls/pulls_controller.rb
index 1a7c574d9..254ad1741 100644
--- a/app/controllers/api/v1/projects/pulls/pulls_controller.rb
+++ b/app/controllers/api/v1/projects/pulls/pulls_controller.rb
@@ -6,13 +6,21 @@ class Api::V1::Projects::Pulls::PullsController < Api::V1::BaseController
     @pulls = kaminari_paginate(@pulls)
   end
 
-  before_action :load_pull_request, only: [:show] 
+  before_action :load_pull_request, only: [:show, :files] 
 
   def show 
    @result_object = Api::V1::Projects::Pulls::GetService.call(@project, @pull_request, current_user&.gitea_token)
    @last_review = @pull_request.reviews.order(created_at: :desc).take
   end
 
+  def files
+    if params[:filepath].present? 
+      @result_object = $gitea_hat_client.get_repos_pulls_files_by_owner_repo_index_filepath(@project&.owner.login, @project&.identifier, @pull_request.gitea_number, params[:filepath], {query: {token: current_user&.gitea_token}})
+    else
+      @result_object = $gitea_client.get_repos_pulls_files_by_owner_repo_index(@project&.owner.login, @project&.identifier, @pull_request.gitea_number, {query: {token: current_user&.gitea_token, page: page, limit: limit}})
+    end
+  end 
+
   private 
   def query_params 
     params.permit(:status, :keyword, :priority_id, :issue_tag_id, :version_id, :reviewer_id, :sort_by, :sort_direction)
diff --git a/app/views/api/v1/projects/_simple_gitea_file.jbuilder b/app/views/api/v1/projects/_simple_gitea_file.jbuilder
new file mode 100644
index 000000000..44a9d7b2b
--- /dev/null
+++ b/app/views/api/v1/projects/_simple_gitea_file.jbuilder
@@ -0,0 +1,5 @@
+json.filename file["filename"]
+json.status file["status"]
+json.additions file["additions"]
+json.deletions file["deletions"]
+json.changes file["changes"]
diff --git a/app/views/api/v1/projects/pulls/pulls/files.json.jbuilder b/app/views/api/v1/projects/pulls/pulls/files.json.jbuilder
new file mode 100644
index 000000000..2698e30f0
--- /dev/null
+++ b/app/views/api/v1/projects/pulls/pulls/files.json.jbuilder
@@ -0,0 +1,8 @@
+if params[:filepath].present? 
+  json.partial! "api/v1/projects/simple_gitea_diff_detail", diff: @result_object
+else
+  json.file_numbers @result_object[:total_data]
+  json.files @result_object[:data] do |file|
+    json.partial! "api/v1/projects/simple_gitea_file", file: file
+  end
+end
\ No newline at end of file