diff --git a/app/controllers/api/v1/projects/branches_controller.rb b/app/controllers/api/v1/projects/branches_controller.rb
index 0c89f6012..bd219c23a 100644
--- a/app/controllers/api/v1/projects/branches_controller.rb
+++ b/app/controllers/api/v1/projects/branches_controller.rb
@@ -17,7 +17,14 @@ class Api::V1::Projects::BranchesController < Api::V1::BaseController
 
   def destroy 
     @result_object = Api::V1::Projects::Branches::DeleteService.call(@project, params[:name], current_user&.gitea_token)
-    if @result_object 
+    if @result_object
+      # 有开启的pr需要一同关闭
+      open_pull_requests = @project.pull_requests.opening.where(head: params[:name]).where(user_id: current_user.id)
+      if open_pull_requests.present?
+        open_pull_requests.each do |pull_request|
+          PullRequests::CloseService.call(@project.owner, @project.repository, pull_request, current_user)
+        end
+      end
       return render_ok 
     else
       return render_error('删除分支失败!')