diff --git a/app/controllers/api/v1/projects/pipelines_controller.rb b/app/controllers/api/v1/projects/pipelines_controller.rb
index 19ed03237..97a671d52 100644
--- a/app/controllers/api/v1/projects/pipelines_controller.rb
+++ b/app/controllers/api/v1/projects/pipelines_controller.rb
@@ -11,6 +11,7 @@ class Api::V1::Projects::PipelinesController < Api::V1::BaseController
     tip_exception("已经存在#{params[:pipeline_name]}流水线！") if size > 0
     @pipeline = Action::Pipeline.new(pipeline_name: params[:pipeline_name], project_id: @project.id)
     @pipeline.file_name = ".gitea/workflows/#{@pipeline.pipeline_name}.yaml"
+    @pipeline.branch = params[:branch] || @project.default_branch
     @pipeline.json = params[:pipeline_json].to_json
     pipeline_yaml = build_pipeline_yaml(params[:pipeline_name], params[:pipeline_json])
     tip_exception("流水线yaml内空不能为空") if pipeline_yaml.blank?
@@ -26,6 +27,7 @@ class Api::V1::Projects::PipelinesController < Api::V1::BaseController
   def save_yaml
     @pipeline = Action::Pipeline.new(pipeline_name: params[:pipeline_name], project_id: @project.id)
     @pipeline.file_name = ".gitea/workflows/#{@pipeline.pipeline_name}.yaml"
+    @pipeline.branch = params[:branch] || @project.default_branch
     @pipeline.json = params[:pipeline_json].to_json
     pipeline_yaml = build_pipeline_yaml(params[:pipeline_name], params[:pipeline_json])
     tip_exception("流水线yaml内空不能为空") if pipeline_yaml.blank?
@@ -128,7 +130,7 @@ class Api::V1::Projects::PipelinesController < Api::V1::BaseController
 
   def get_pipeline_file_sha(file_name, branch)
     file_path_uri = URI.parse(file_name)
-    interactor = Repositories::EntriesInteractor.call(@project.owner, @project.identifier, file_path_uri, ref: branch || 'master')
+    interactor = Repositories::EntriesInteractor.call(@project.owner, @project.identifier, file_path_uri, ref: branch || @project.default_branch)
     if interactor.success?
       file = interactor.result
       file['sha']