diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index a9e6ee6a1..63471c10c 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -95,20 +95,6 @@ class PullRequestsController < ApplicationController
           Issues::UpdateForm.new({subject: params[:title], description: params[:body].blank? ? params[:body] : params[:body].b}).validate!
           merge_params
 
-          @issue&.issue_tags_relates&.destroy_all if params[:issue_tag_ids].blank?
-          if params[:issue_tag_ids].present? && !@issue&.issue_tags_relates.where(issue_tag_id: params[:issue_tag_ids]).exists?
-            if params[:issue_tag_ids].is_a?(Array) && params[:issue_tag_ids].size > 1
-              return normal_status(-1, "最多只能创建一个标记。")
-            elsif params[:issue_tag_ids].is_a?(Array) && params[:issue_tag_ids].size == 1
-              @issue&.issue_tags_relates&.destroy_all
-              params[:issue_tag_ids].each do |tag|
-                IssueTagsRelate.create!(issue_id: @issue.id, issue_tag_id: tag)
-              end
-            else
-              return normal_status(-1, "请输入正确的标记。")
-            end 
-          end
-
           reviewers = User.where(id: params[:reviewer_ids])
           @pull_request.reviewers = reviewers