diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index 5a6742037..6f3ca4d34 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -127,6 +127,18 @@ class PullRequestsController < ApplicationController
                     return normal_status(-1, "请输入正确的标记。")
                   end
                 end
+                if params[:attached_issue_ids].present?
+                  if params[:attached_issue_ids].is_a?(Array) && params[:attached_issue_ids].size > 1
+                    return normal_status(-1, "最多只能关联一个疑修。")
+                  elsif params[:attached_issue_ids].is_a?(Array) && params[:attached_issue_ids].size == 1
+                    @pull_request&.pull_attached_issues&.destroy_all
+                    params[:attached_issue_ids].each do |issue|
+                      PullAttachedIssue.create!(issue_id: issue, pull_request_id: @pull_request.id)
+                    end
+                  else
+                    return normal_status(-1, "请输入正确的疑修。")
+                  end
+                end
                 if params[:status_id].to_i == 5
                   @issue.issue_times.update_all(end_time: Time.now)
                 end
@@ -214,35 +226,15 @@ class PullRequestsController < ApplicationController
             push_activity_2_blockchain("pull_request_merge", @pull_request)
 
             # 查看是否fix了相关issue，如果fix就转账
-            if params["fix_issue_id"].nil? || params["fix_issue_id"] == ""
-            else
-              issue = Issue.find_by(id: params["fix_issue_id"])
-              if issue.nil?
-                normal_status(-1, "关联issue失败")
-                raise ActiveRecord::Rollback
-              else
-                token_num = issue.blockchain_token_num
-                token_num = token_num.nil? ? 0 : token_num
-                owner = User.find_by(login: params["owner"])
-                pr = PullRequest.find_by(id: params["pull_request"]["id"])
-                if owner.nil? || pr.nil?
-                  normal_status(-1, "关联issue失败")
-                  raise ActiveRecord::Rollback
-                else
-                  project = Project.find_by(user_id: owner.id, identifier: params["project_id"])
-                  if project.nil?
-                    normal_status(-1, "关联issue失败")
-                    raise ActiveRecord::Rollback
-                  else
-                    author_id = pr.user_id
-                    if token_num > 0
-                      Blockchain::FixIssue.call({user_id: author_id.to_s, project_id: project.id.to_s, token_num: token_num})
-                    end
-                    # update issue to state 5
-                    issue.update(status_id: 5)
-                  end
-                end
+            @pull_request.attached_issues.each do |issue| 
+              token_num = issue.blockchain_token_num
+              token_num = token_num.nil? ? 0 : token_num
+              author_id = @pull_request.user_id
+              if token_num > 0
+                Blockchain::FixIssue.call({user_id: author_id.to_s, project_id: project.id.to_s, token_num: token_num})
               end
+              # update issue to state 5
+              issue.update(status_id: 5)
             end
 
             # 合并请求下issue处理为关闭
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 9c61f3ec3..0fb5291e0 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -79,6 +79,8 @@ class Issue < ApplicationRecord
 
   has_many :comment_journals, -> {where.not(notes: nil)}, class_name: "Journal", :as => :journalized
   has_many :operate_journals, -> {where(notes: nil)}, class_name: "Journal", :as => :journalized
+  has_many :pull_attached_issues, dependent: :destroy 
+  has_many :attach_pull_requests, through: :pull_attached_issues, source: :pull_request
 
   scope :issue_includes, ->{includes(:user)}
   scope :issue_many_includes, ->{includes(journals: :user)}
diff --git a/app/models/pull_attached_issue.rb b/app/models/pull_attached_issue.rb
new file mode 100644
index 000000000..c93a95d65
--- /dev/null
+++ b/app/models/pull_attached_issue.rb
@@ -0,0 +1,22 @@
+# == Schema Information
+#
+# Table name: pull_attached_issues
+#
+#  id              :integer          not null, primary key
+#  pull_request_id :integer
+#  issue_id        :integer
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#
+# Indexes
+#
+#  index_pull_attached_issues_on_issue_id         (issue_id)
+#  index_pull_attached_issues_on_pull_request_id  (pull_request_id)
+#
+
+class PullAttachedIssue < ApplicationRecord
+
+  belongs_to :pull_request 
+  belongs_to :issue
+  
+end
diff --git a/app/models/pull_request.rb b/app/models/pull_request.rb
index 270e7dc76..648912f5a 100644
--- a/app/models/pull_request.rb
+++ b/app/models/pull_request.rb
@@ -44,6 +44,8 @@ class PullRequest < ApplicationRecord
   has_many :pull_requests_reviewers, dependent: :destroy
   has_many :reviewers, through: :pull_requests_reviewers
   has_many :mark_files, dependent: :destroy
+  has_many :pull_attached_issues, dependent: :destroy 
+  has_many :attached_issues, through: :pull_attached_issues, source: :issue
 
   scope :merged_and_closed, ->{where.not(status: 0)}
   scope :opening, -> {where(status: 0)}
diff --git a/app/services/pull_requests/create_service.rb b/app/services/pull_requests/create_service.rb
index 258d0e31b..c2c6cfb22 100644
--- a/app/services/pull_requests/create_service.rb
+++ b/app/services/pull_requests/create_service.rb
@@ -20,6 +20,7 @@ class PullRequests::CreateService < ApplicationService
       save_tiding!
       save_project_trend!
       save_custom_journal_detail!
+      save_pull_attached_issues!
     end
 
     [pull_request, gitea_pull_request]
@@ -111,6 +112,20 @@ class PullRequests::CreateService < ApplicationService
     end
   end
 
+  def save_pull_attached_issues!
+    if attached_issue_ids.size > 1 
+      raise "最多只能关联一个疑修。" 
+    else 
+      attached_issue_ids.each do |issue|
+        PullAttachedIssue.create!(issue_id: issue, pull_request_id: pull_request&.id)
+      end
+    end
+  end
+
+  def issue_tag_ids
+    Array(@params[:attached_issue_ids])
+  end
+
   def gitea_pull_request
     @gitea_pull_request ||= create_gitea_pull_request!
   end
diff --git a/db/migrate/20230302063013_create_pull_attached_issues.rb b/db/migrate/20230302063013_create_pull_attached_issues.rb
new file mode 100644
index 000000000..c3b4f6528
--- /dev/null
+++ b/db/migrate/20230302063013_create_pull_attached_issues.rb
@@ -0,0 +1,10 @@
+class CreatePullAttachedIssues < ActiveRecord::Migration[5.2]
+  def change
+    create_table :pull_attached_issues do |t|
+      t.references :pull_request 
+      t.references :issue
+
+      t.timestamps
+    end
+  end
+end