diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index e81b68807..c14c8f7f6 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -100,20 +100,6 @@ 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
 
diff --git a/app/models/feedback_message_history.rb b/app/models/feedback_message_history.rb
index b50e8b27e..6d338d73c 100644
--- a/app/models/feedback_message_history.rb
+++ b/app/models/feedback_message_history.rb
@@ -26,7 +26,7 @@ class FeedbackMessageHistory < ApplicationRecord
   private 
 
   def send_meessage_email
-    unless UserMailer.feedback_email(user&.mail, title, content).deliver_now
+    unless UserMailer.feedback_email(feedback&.user&.mail, title, content).deliver_now
       errors[:title] << '邮件发送失败！'
     end
   end