diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index 0ac7a7144..bb0407845 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -58,6 +58,7 @@ class PullRequestsController < ApplicationController
   def create
     # return normal_status(-1, "您不是目标分支开发者，没有权限，请联系目标分支作者.") unless @project.operator?(current_user)
     ActiveRecord::Base.transaction do
+      Issues::CreateForm.new({subject: params[:title], description: params}).validate!
       @pull_request, @gitea_pull_request = PullRequests::CreateService.call(current_user, @owner, @project, params)
       if @gitea_pull_request[:status] == :success
         @pull_request.bind_gitea_pull_request!(@gitea_pull_request[:body]["number"], @gitea_pull_request[:body]["id"])
@@ -89,7 +90,7 @@ class PullRequestsController < ApplicationController
     else
       ActiveRecord::Base.transaction do
         begin
-          return normal_status(-1, "title不能超过255个字符") if params[:title].length > 255
+          Issues::UpdateForm.new({subject: params[:title], description: params[:body]}).validate!
           merge_params
 
           @issue&.issue_tags_relates&.destroy_all if params[:issue_tag_ids].blank?