diff --git a/app/controllers/api/v1/base_controller.rb b/app/controllers/api/v1/base_controller.rb
index b937d798e..c6a4f180d 100644
--- a/app/controllers/api/v1/base_controller.rb
+++ b/app/controllers/api/v1/base_controller.rb
@@ -20,10 +20,19 @@ class Api::V1::BaseController < ApplicationController
   #     User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
   #   end
   # end
+
+  def kaminary_select_paginate(relation)
+		limit = params[:limit] || params[:per_page]
+		limit = (limit.to_i.zero? || limit.to_i > 100) ? 100 : limit.to_i
+		page  = params[:page].to_i.zero? ? 1 : params[:page].to_i
+
+		relation.page(page).per(limit)
+	end
   
   def limit
     params.fetch(:limit, 15) 
   end
+
   def page 
     params.fetch(:page, 1)
   end
@@ -43,7 +52,6 @@ class Api::V1::BaseController < ApplicationController
   # 具有仓库的操作权限或者fork仓库的操作权限
   def require_operate_above_or_fork_project 
     @project = load_project
-    puts !current_user.admin? && !@project.operator?(current_user) && !(@project.fork_project.present? && @project.fork_project.operator?(current_user))
     return render_forbidden if !current_user.admin? && !@project.operator?(current_user) && !(@project.fork_project.present? && @project.fork_project.operator?(current_user))
   end
 
diff --git a/app/controllers/api/v1/issues/assigners_controller.rb b/app/controllers/api/v1/issues/assigners_controller.rb
new file mode 100644
index 000000000..84476138f
--- /dev/null
+++ b/app/controllers/api/v1/issues/assigners_controller.rb
@@ -0,0 +1,12 @@
+class Api::V1::Issues::AssignersController < Api::V1::BaseController 
+
+  before_action :require_public_and_member_above, only: [:index] 
+
+  # 负责人列表 
+  def index
+    @assigners = User.joins(assigned_issues: :project).where(projects: {id: @project&.id})
+    @assigners = @assigners.order("users.id=#{current_user.id} desc").distinct
+    @assigners = @assigners.ransack(login_or_nickname_cont: params[:keyword]).result if params[:keyword].present?
+    @assigners = kaminary_select_paginate(@assigners)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/authors_controller.rb b/app/controllers/api/v1/issues/authors_controller.rb
new file mode 100644
index 000000000..d0242a517
--- /dev/null
+++ b/app/controllers/api/v1/issues/authors_controller.rb
@@ -0,0 +1,11 @@
+class Api::V1::Issues::AuthorsController < Api::V1::BaseController 
+  before_action :require_public_and_member_above, only: [:index] 
+
+  # 发布人列表
+  def index 
+    @authors = User.joins(issues: :project).where(projects: {id: @project&.id})
+    @authors = @authors.order("users.id=#{current_user.id} desc").distinct
+    @authors = @authors.ransack(login_or_nickname_cont: params[:keyword]).result if params[:keyword].present?
+    @authors = kaminary_select_paginate(@authors)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/issue_priorities_controller.rb b/app/controllers/api/v1/issues/issue_priorities_controller.rb
new file mode 100644
index 000000000..319994a28
--- /dev/null
+++ b/app/controllers/api/v1/issues/issue_priorities_controller.rb
@@ -0,0 +1,10 @@
+class Api::V1::Issues::IssuePrioritiesController < Api::V1::BaseController 
+
+  before_action :require_public_and_member_above, only: [:index]
+
+  def index 
+    @priorities = IssuePriority.order(position: :asc)
+    @priorities = @priorities.ransack(name_cont: params[:keyword]).result if params[:keyword]
+    @priorities = kaminary_select_paginate(@priorities)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/issue_tags_controller.rb b/app/controllers/api/v1/issues/issue_tags_controller.rb
new file mode 100644
index 000000000..fe2ecceab
--- /dev/null
+++ b/app/controllers/api/v1/issues/issue_tags_controller.rb
@@ -0,0 +1,65 @@
+class Api::V1::Issues::IssueTagsController < Api::V1::BaseController 
+  before_action :require_login, except: [:index]
+  before_action :require_public_and_member_above, only: [:index] 
+  before_action :require_operate_above, only: [:create, :update, :destroy]
+
+  def index 
+    @issue_tags = @project.issue_tags.reorder("#{sort_by} #{sort_direction}")
+    @issue_tags = @issue_tags.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
+    if params[:only_name]
+      @issue_tags = kaminary_select_paginate(@issue_tags.select(:id, :name, :color))
+    else 
+      @issue_tags = kaminari_paginate(@issue_tags.includes(:project, :user, :issue_issues, :pull_request_issues))
+    end
+  end
+
+  def create 
+    @issue_tag = @project.issue_tags.new(issue_tag_params)
+    if @issue_tag.save!
+      render_ok 
+    else 
+      render_error("创建标记失败！")
+    end
+  end
+
+  before_action :load_issue_tag, only: [:update, :destroy]
+
+  def update 
+    @issue_tag.attributes = issue_tag_params
+    if @issue_tag.save! 
+      render_ok 
+    else 
+      render_error("更新标记失败！")
+    end
+  end
+
+  def destroy 
+    if @issue_tag.destroy! 
+      render_ok
+    else 
+      render_error("删除标记失败！")
+    end
+  end
+
+
+  private 
+  def sort_by
+    sort_by = params.fetch(:sort_by, "created_at")
+    sort_by = IssueTag.column_names.include?(sort_by) ? sort_by : "created_at"
+    sort_by
+  end
+
+  def sort_direction 
+    sort_direction = params.fetch(:sort_direction, "desc").downcase
+    sort_direction = %w(desc asc).include?(sort_direction) ? sort_direction : "desc"
+    sort_direction
+  end
+
+  def issue_tag_params 
+    params.permit(:name, :description, :color)
+  end
+
+  def load_issue_tag 
+    @issue_tag = @project.issue_tags.find_by_id(params[:id])
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/journals_controller.rb b/app/controllers/api/v1/issues/journals_controller.rb
new file mode 100644
index 000000000..f7a24ea05
--- /dev/null
+++ b/app/controllers/api/v1/issues/journals_controller.rb
@@ -0,0 +1,60 @@
+class Api::V1::Issues::JournalsController < Api::V1::BaseController
+  before_action :require_login, except: [:index, :children_journals]
+  before_action :require_public_and_member_above
+  before_action :load_issue
+  before_action :load_journal, only: [:children_journals, :update, :destroy]
+  before_action :check_journal_operate_permission, only: [:update, :destroy]
+
+  def index 
+    @object_results = Api::V1::Issues::Journals::ListService.call(@issue, query_params, current_user)
+    @journals = kaminari_paginate(@object_results)
+  end
+
+  def create 
+    @object_result = Api::V1::Issues::Journals::CreateService.call(@issue, journal_params, current_user)
+  end
+
+  def children_journals 
+    @object_results = Api::V1::Issues::Journals::ChildrenListService.call(@issue, @journal, query_params, current_user)
+    @journals = kaminari_paginate(@object_results)
+  end
+
+  def update
+    @object_result = Api::V1::Issues::Journals::UpdateService.call(@issue, @journal, journal_params, current_user)
+  end
+
+  def destroy 
+    if @journal.destroy!
+      render_ok
+    else 
+      render_error("删除评论失败！")
+    end
+  end
+
+  private
+
+  def query_params
+    params.permit(:category, :keyword, :sort_by, :sort_direction)
+  end
+
+  def journal_params 
+    params.permit(:notes, :parent_id, :reply_id, :attachment_ids => [], :receivers_login => [])
+  end
+
+  def load_issue 
+    @issue = @project.issues.issue_issue.where(project_issues_index: params[:index]).where.not(id: params[:index]).take || Issue.find_by_id(params[:index])
+    if @issue.blank?
+      render_not_found("疑修不存在!")
+    end
+  end
+
+  def load_journal
+    @journal = Journal.find_by_id(params[:id])
+    return render_not_found("评论不存在！") unless @journal.present?
+  end
+
+  def check_journal_operate_permission 
+    return render_forbidden("您没有操作权限！") unless @project.member?(current_user) || current_user.admin? || @issue.user == current_user || @journal.user == current_user || @journal.parent_journal&.user == current_user
+  end
+
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/milestones_controller.rb b/app/controllers/api/v1/issues/milestones_controller.rb
new file mode 100644
index 000000000..003a464dc
--- /dev/null
+++ b/app/controllers/api/v1/issues/milestones_controller.rb
@@ -0,0 +1,87 @@
+class Api::V1::Issues::MilestonesController < Api::V1::BaseController 
+  before_action :require_login, except: [:index, :show]
+  before_action :require_public_and_member_above, only: [:index, :show]
+  before_action :require_operate_above, only: [:create, :update, :destroy]
+  before_action :load_milestone, only: [:show, :update, :destroy]
+
+  # 里程碑列表
+  def index 
+    @milestones = @project.versions
+    @milestones = @milestones.ransack(id_eq: params[:keyword]).result.or(@milestones.ransack(name_or_description_cont: params[:keyword]).result) if params[:keyword].present?
+    @closed_milestone_count = @milestones.closed.size 
+    @opening_milestone_count = @milestones.opening.size
+    @milestones = params[:category] == "closed" ? @milestones.closed : @milestones.opening
+    @milestones = @milestones.reorder("versions.#{sort_by} #{sort_direction}")
+    if params[:only_name]
+      @milestones = @milestones.select(:id, :name)
+      @milestones = kaminary_select_paginate(@milestones)
+    else 
+      @milestones = @milestones.includes(:issues, :closed_issues, :opened_issues)
+      @milestones = kaminari_paginate(@milestones)
+    end
+  end 
+
+  def create 
+    @milestone = @project.versions.new(milestone_params)
+    if @milestone.save!
+      render_ok 
+    else 
+      render_error(@milestone.errors.full_messages.join(","))
+    end
+  end
+
+  # 里程碑详情
+  def show 
+    @object_result = Api::V1::Issues::Milestones::DetailIssuesService.call(@project, @milestone, query_params, current_user)
+    @total_issues_count = @object_result[:total_issues_count]
+    @opened_issues_count = @object_result[:opened_issues_count]
+    @closed_issues_count = @object_result[:closed_issues_count]
+    
+    @issues = kaminari_paginate(@object_result[:data])
+  end
+
+  def update 
+    @milestone.attributes = milestone_params 
+    if @milestone.save! 
+      render_ok 
+    else 
+      render_error(@milestone.errors.full_messages.join(","))
+    end
+  end
+
+  def destroy 
+    if @milestone.destroy! 
+      render_ok 
+    else 
+      render_error("删除里程碑失败！")
+    end
+  end
+
+  private 
+  def milestone_params 
+    params.permit(:name, :description, :effective_date)
+  end
+
+  def query_params 
+    params.permit(:category, :author_id, :assigner_id, :sort_by, :sort_direction, :issue_tag_ids)
+  end
+
+  def load_milestone
+    @milestone = @project.versions.find_by_id(params[:id])
+    return render_not_found('里程碑不存在！') unless @milestone.present?
+  end
+
+  def sort_by 
+    sort_by = params.fetch(:sort_by, "created_on")
+    sort_by = Version.column_names.include?(sort_by) ? sort_by : "created_on"
+
+    sort_by
+  end
+
+  def sort_direction
+    sort_direction = params.fetch(:sort_direction, "desc").downcase
+    sort_direction = %w(desc asc).include?(sort_direction) ? sort_direction : "desc"
+    sort_direction
+  end
+
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues/statues_controller.rb b/app/controllers/api/v1/issues/statues_controller.rb
new file mode 100644
index 000000000..5a7fbc338
--- /dev/null
+++ b/app/controllers/api/v1/issues/statues_controller.rb
@@ -0,0 +1,11 @@
+class Api::V1::Issues::StatuesController < Api::V1::BaseController
+
+  before_action :require_public_and_member_above, only: [:index] 
+
+  # 状态列表
+  def index 
+    @statues = IssueStatus.order("position asc")
+    @statues = @statues.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
+    @statues = kaminary_select_paginate(@statues)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/issues_controller.rb b/app/controllers/api/v1/issues_controller.rb
new file mode 100644
index 000000000..84f4dd722
--- /dev/null
+++ b/app/controllers/api/v1/issues_controller.rb
@@ -0,0 +1,112 @@
+class Api::V1::IssuesController < Api::V1::BaseController 
+  before_action :require_login, except: [:index, :show]
+  before_action :require_public_and_member_above, only: [:index, :show, :create, :update, :destroy] 
+  before_action :require_operate_above, only: [:batch_update, :batch_destroy]
+
+  def index 
+    IssueTag.init_data(@project.id) unless $redis_cache.hget("project_init_issue_tags", @project.id)
+    @object_result = Api::V1::Issues::ListService.call(@project, query_params, current_user)
+    @total_issues_count = @object_result[:total_issues_count]
+    @opened_issues_count = @object_result[:opened_issues_count]
+    @closed_issues_count = @object_result[:closed_issues_count]
+
+    @issues = kaminari_paginate(@object_result[:data])
+  end
+
+  def create 
+    @object_result = Api::V1::Issues::CreateService.call(@project, issue_params, current_user)
+  end
+
+  before_action :load_issue, only: [:show, :update, :destroy]
+  before_action :check_issue_operate_permission, only: [:update, :destroy]
+
+  def show 
+    @user_permission = current_user.present? && current_user.logged? && (@project.member?(current_user) || current_user.admin? || @issue.user == current_user)
+  end
+
+  def update 
+    @object_result = Api::V1::Issues::UpdateService.call(@project, @issue, issue_params, current_user)
+  end
+
+  def destroy 
+    @object_result = Api::V1::Issues::DeleteService.call(@project, @issue, current_user)
+    if @object_result 
+      render_ok 
+    else 
+      render_error("删除疑修失败！")
+    end
+  end
+  
+  before_action :load_issues, only: [:batch_update, :batch_destroy]
+
+  def batch_update
+    @object_result = Api::V1::Issues::BatchUpdateService.call(@project, @issues, batch_issue_params, current_user)
+    if @object_result 
+      render_ok 
+    else 
+      render_error("批量更新疑修失败！")
+    end
+  end
+
+  def batch_destroy 
+    @object_result = Api::V1::Issues::BatchDeleteService.call(@project, @issues, current_user)
+    if @object_result 
+      render_ok 
+    else 
+      render_error("批量删除疑修失败！")
+    end
+  end
+
+  private
+
+  def load_issue 
+    @issue = @project.issues.issue_issue.where(project_issues_index: params[:index]).where.not(id: params[:index]).take || Issue.find_by_id(params[:index])
+    if @issue.blank?
+      render_not_found("疑修不存在!")
+    end
+  end
+
+  def load_issues 
+    return render_error("请输入正确的ID数组！") unless params[:ids].is_a?(Array)
+    params[:ids].each do |id|
+      @issue = Issue.find_by_id(id)
+      if @issue.blank?
+        return render_not_found("ID为#{id}的疑修不存在!")
+      end
+    end
+    @issues = Issue.where(id: params[:ids])
+  end
+
+  def check_issue_operate_permission 
+    return render_forbidden("您没有操作权限！") unless @project.member?(current_user) || current_user.admin? || @issue.user == current_user
+  end 
+
+  def query_params
+    params.permit(
+      :category,
+      :participant_category, 
+      :keyword, :author_id, 
+      :milestone_id, :assigner_id,
+      :status_id, 
+      :sort_by, :sort_direction, 
+      :issue_tag_ids)
+  end
+
+  def issue_params 
+    params.permit(
+      :status_id, :priority_id, :milestone_id,
+      :branch_name, :start_date, :due_date, 
+      :subject, :description, 
+      :issue_tag_ids => [], 
+      :assigner_ids => [], 
+      :attachment_ids => [],
+      :receivers_login => [])
+  end
+
+  def batch_issue_params 
+    params.permit(
+      :status_id, :priority_id, :milestone_id,
+      :issue_tag_ids => [], 
+      :assigner_ids => [])
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/api/v1/projects/collaborators_controller.rb b/app/controllers/api/v1/projects/collaborators_controller.rb
new file mode 100644
index 000000000..cd9002a99
--- /dev/null
+++ b/app/controllers/api/v1/projects/collaborators_controller.rb
@@ -0,0 +1,10 @@
+class Api::V1::Projects::CollaboratorsController < Api::V1::BaseController 
+
+  before_action :require_public_and_member_above, only: [:index]
+
+  def index 
+    @collaborators = @project.all_collaborators.like(params[:keyword])
+    @collaborators = kaminary_select_paginate(@collaborators)
+  end
+
+end
\ No newline at end of file
diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index efc7d3ea4..67fe65641 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -111,7 +111,9 @@ class IssuesController < ApplicationController
     issue_params = issue_send_params(params)
     Issues::CreateForm.new({subject: issue_params[:subject], description: issue_params[:description].blank? ? issue_params[:description] : issue_params[:description].b}).validate!
     @issue = Issue.new(issue_params)
+    @issue.project_issues_index = @project.get_last_project_issues_index + 1
     if @issue.save!
+      @project.del_project_issue_cache_delete_count
       SendTemplateMessageJob.perform_later('IssueAssigned', current_user.id, @issue&.id) if Site.has_notice_menu?
       SendTemplateMessageJob.perform_later('ProjectIssue', current_user.id, @issue&.id) if Site.has_notice_menu?
       if params[:attachment_ids].present?
@@ -304,6 +306,7 @@ class IssuesController < ApplicationController
       login =  @issue.user.try(:login)
       SendTemplateMessageJob.perform_later('IssueDeleted', current_user.id, @issue&.subject, @issue.assigned_to_id, @issue.author_id) if Site.has_notice_menu?
       if @issue.destroy
+        @project.incre_project_issue_cache_delete_count
         if issue_type == "2" && status_id != 5
           post_to_chain("add", token, login)
         end
diff --git a/app/jobs/send_template_message_job.rb b/app/jobs/send_template_message_job.rb
index 763708c38..a45516ae5 100644
--- a/app/jobs/send_template_message_job.rb
+++ b/app/jobs/send_template_message_job.rb
@@ -34,8 +34,12 @@ class SendTemplateMessageJob < ApplicationJob
       operator_id, issue_id = args[0], args[1] 
       operator = User.find_by_id(operator_id)
       issue = Issue.find_by_id(issue_id)
-      return unless operator.present? && issue.present?
-      receivers = User.where(id: issue&.assigned_to_id).where.not(id: operator&.id)
+      return unless operator.present? && issue.present? 
+      if args[2].present? 
+        receivers = User.where(id: args[2]).where.not(id: operator&.id)
+      else 
+        receivers = User.where(id: issue&.assigned_to_id).where.not(id: operator&.id)
+      end
       receivers_string, content, notification_url = MessageTemplate::IssueAssigned.get_message_content(receivers, operator, issue)
       Notice::Write::CreateService.call(receivers_string, content, notification_url, source, {operator_id: operator.id, issue_id: issue.id})
       receivers.find_each do |receiver|
@@ -78,7 +82,11 @@ class SendTemplateMessageJob < ApplicationJob
       operator_id, issue_title, issue_assigned_to_id, issue_author_id = args[0], args[1], args[2], args[3]
       operator = User.find_by_id(operator_id)
       return unless operator.present?
-      receivers = User.where(id: [issue_assigned_to_id, issue_author_id]).where.not(id: operator&.id)
+      if issue_assigned_to_id.is_a?(Array)
+        receivers = User.where(id: issue_assigned_to_id.append(issue_author_id)).where.not(id: operator&.id)
+      else 
+        receivers = User.where(id: [issue_assigned_to_id, issue_author_id]).where.not(id: operator&.id)
+      end
       receivers_string, content, notification_url = MessageTemplate::IssueDeleted.get_message_content(receivers, operator, issue_title)
       Notice::Write::CreateService.call(receivers_string, content, notification_url, source, {operator_id: operator.id, issue_title: issue_title})
       receivers.find_each do |receiver|
diff --git a/app/models/issue.rb b/app/models/issue.rb
index a691f9e11..9c61f3ec3 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -69,12 +69,24 @@ class Issue < ApplicationRecord
   has_many :issue_tags, through: :issue_tags_relates
   has_many :issue_times, dependent: :destroy
   has_many :issue_depends, dependent: :destroy
+  has_many :issue_assigners, dependent: :destroy
+  has_many :assigners, through: :issue_assigners
+  has_many :issue_participants, dependent: :destroy
+  has_many :participants, through: :issue_participants
+  has_many :show_participants, -> {joins(:issue_participants).where.not(issue_participants: {participant_type: "atme"}).distinct}, through: :issue_participants, source: :participant
+  has_many :show_assigners, -> {joins(:issue_assigners).distinct}, through: :issue_assigners, source: :assigner
+  has_many :show_issue_tags, -> {joins(:issue_tags_relates).distinct}, through: :issue_tags_relates, source: :issue_tag
+
+  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
+
   scope :issue_includes, ->{includes(:user)}
   scope :issue_many_includes, ->{includes(journals: :user)}
   scope :issue_issue, ->{where(issue_classify: [nil,"issue"])}
   scope :issue_pull_request, ->{where(issue_classify: "pull_request")}
   scope :issue_index_includes, ->{includes(:tracker, :priority, :version, :issue_status, :journals,:issue_tags,user: :user_extension)}
   scope :closed, ->{where(status_id: 5)}
+  scope :opened, ->{where.not(status_id: 5)}
   after_create :incre_project_common, :incre_user_statistic, :incre_platform_statistic
   after_save :change_versions_count, :send_update_message_to_notice_system
   after_destroy :update_closed_issues_count_in_project!, :decre_project_common, :decre_user_statistic, :decre_platform_statistic
diff --git a/app/models/issue_assigner.rb b/app/models/issue_assigner.rb
new file mode 100644
index 000000000..a0836f214
--- /dev/null
+++ b/app/models/issue_assigner.rb
@@ -0,0 +1,20 @@
+# == Schema Information
+#
+# Table name: issue_assigners
+#
+#  id          :integer          not null, primary key
+#  issue_id    :integer
+#  assigner_id :integer
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#
+# Indexes
+#
+#  index_issue_assigners_on_assigner_id  (assigner_id)
+#  index_issue_assigners_on_issue_id     (issue_id)
+#
+
+class IssueAssigner < ApplicationRecord
+  belongs_to :issue 
+  belongs_to :assigner, class_name: "User"
+end
diff --git a/app/models/issue_participant.rb b/app/models/issue_participant.rb
new file mode 100644
index 000000000..fa7be6980
--- /dev/null
+++ b/app/models/issue_participant.rb
@@ -0,0 +1,9 @@
+class IssueParticipant < ApplicationRecord
+
+  belongs_to :issue 
+  belongs_to :participant, class_name: "User"
+
+  enum participant_type: {"authored": 0, "assigned": 1, "commented": 2, "edited": 3, "atme": 4}
+
+  
+end
diff --git a/app/models/issue_priority.rb b/app/models/issue_priority.rb
index 27865a70f..c8ef73299 100644
--- a/app/models/issue_priority.rb
+++ b/app/models/issue_priority.rb
@@ -15,4 +15,21 @@
 
 class IssuePriority < ApplicationRecord
   has_many :issues
+
+  def self.init_data 
+    map = {
+      "1" => "低",
+      "2" => "正常",
+      "3" => "高", 
+      "4" => "紧急"
+    }
+    IssuePriority.order(id: :asc).each do |prty| 
+      if map["#{prty.id}"] == prty.name
+        IssuePriority.find_or_create_by(id: prty.id, name: prty.name)
+      else 
+        Issue.where(priority_id: prty.id).each{|i| i.update_column(:priority_id, 2)}
+        prty.destroy!
+      end
+    end
+  end
 end
diff --git a/app/models/issue_status.rb b/app/models/issue_status.rb
index a58346ea7..fcce29c32 100644
--- a/app/models/issue_status.rb
+++ b/app/models/issue_status.rb
@@ -20,10 +20,28 @@ class IssueStatus < ApplicationRecord
   ADD      = 1
   SOLVING  = 2
   SOLVED   = 3
-  FEEDBACK = 4
+  # FEEDBACK = 4
   CLOSED   = 5
   REJECTED = 6
 
   has_many :issues
   belongs_to :project, optional: true
+
+  def self.init_data 
+    map = {
+      "1" => "新增",
+      "2" => "正在解决",
+      "3" => "已解决", 
+      "5" => "关闭",
+      "6" => "拒绝"
+    }
+    IssueStatus.order(id: :asc).each do |stat| 
+      if map["#{stat.id}"] == stat.name
+        IssueStatus.find_or_create_by(id: stat.id, name: stat.name)
+      else 
+        Issue.where(status_id: stat.id).each{|i| i.update_column(:status_id, 1)}
+        stat.destroy!
+      end
+    end
+  end
 end
diff --git a/app/models/issue_tag.rb b/app/models/issue_tag.rb
index bf2368654..c6b6af8aa 100644
--- a/app/models/issue_tag.rb
+++ b/app/models/issue_tag.rb
@@ -23,6 +23,34 @@ class IssueTag < ApplicationRecord
 
   has_many :issue_tags_relates, dependent: :destroy
   has_many :issues, through: :issue_tags_relates
+  has_many :issue_issues, -> {where(issue_classify: [nil,"issue"])}, source: :issue, through: :issue_tags_relates
+  has_many :pull_request_issues, -> {where(issue_classify: "pull_request")}, source: :issue, through: :issue_tags_relates
   belongs_to :project, optional: true, counter_cache: true
+  belongs_to :user, optional: true
+
+  def self.init_data(project_id)
+    data = [
+      ["缺陷", "表示项目存在问题", "#d92d4c"],
+      ["功能", "表示新功能申请", "#ee955a"],
+      ["疑问", "表示存在的问题", "#2d6ddc"],
+      ["支持", "表示特定功能或特定需求", "#019549"],
+      ["任务", "表示需要分配的任务", "#c1a30d"],
+      ["协助", "表示需要社区用户协助", "#2a0dc1"],
+      ["搁置", "表示此问题暂时不会继续处理", "#892794"],
+      ["文档", "表示文档材料补充", "#9ed600"],
+      ["测试", "表示需要测试的需求", "#2897b9"],
+      ["重复", "表示已存在类似的疑修", "#bb5332"]
+    ]
+    data.each do |item| 
+      next if IssueTag.exists?(project_id: project_id, name: item[0])
+      IssueTag.create!(project_id: project_id, name: item[0], description: item[1], color: item[2])
+    end
+    $redis_cache.hset("project_init_issue_tags", project_id, 1)
+  end
+
+  def reset_counter_field 
+    self.update_column(:issues_count, issue_issues.size)
+    self.update_column(:pull_requests_count, pull_request_issues.size)
+  end
 
 end
diff --git a/app/models/issue_tags_relate.rb b/app/models/issue_tags_relate.rb
index df9fd81ae..fc753e95b 100644
--- a/app/models/issue_tags_relate.rb
+++ b/app/models/issue_tags_relate.rb
@@ -15,5 +15,29 @@
 
 class IssueTagsRelate < ApplicationRecord
   belongs_to :issue
-  belongs_to :issue_tag, counter_cache: :issues_count
+  belongs_to :issue_tag
+
+  after_create :increment_issue_tags_counter_cache 
+  after_destroy :decrement_issue_tags_counter_cache
+
+  def increment_issue_tags_counter_cache
+    Rails.logger.info "11111"
+    Rails.logger.info  self.issue.issue_classify
+
+    if self.issue.issue_classify == "issue"
+      IssueTag.increment_counter :issues_count, issue_tag_id
+    else 
+      IssueTag.increment_counter :pull_requests_count, issue_tag_id
+    end
+  end
+
+  def decrement_issue_tags_counter_cache 
+    Rails.logger.info "2222222"
+    Rails.logger.info  self.issue.issue_classify
+    if self.issue.issue_classify == "issue"
+      IssueTag.decrement_counter :issues_count, issue_tag_id
+    else 
+      IssueTag.decrement_counter :pull_requests_count, issue_tag_id
+    end
+  end
 end
diff --git a/app/models/journal.rb b/app/models/journal.rb
index 20297dd99..57f53c125 100644
--- a/app/models/journal.rb
+++ b/app/models/journal.rb
@@ -40,9 +40,12 @@ class Journal < ApplicationRecord
   belongs_to :journalized, polymorphic: true
   belongs_to :review, optional: true
   belongs_to :resolveer, class_name: 'User', foreign_key: :resolveer_id, optional: true
+  belongs_to :parent_journal, class_name: 'Journal', foreign_key: :parent_id, optional: true, counter_cache: :comments_count
+  belongs_to :reply_journal, class_name: 'Journal', foreign_key: :reply_id, optional: true
   has_many :journal_details, :dependent => :delete_all
   has_many :attachments, as: :container, dependent: :destroy
-  has_many :children_journals, class_name: 'Journal', foreign_key: :parent_id
+  has_many :first_ten_children_journals, -> { order(created_on: :asc).limit(10)}, class_name: 'Journal', foreign_key: :parent_id
+  has_many :children_journals, class_name: 'Journal', foreign_key: :parent_id, dependent: :destroy
 
   scope :journal_includes, ->{includes(:user, :journal_details, :attachments)}
   scope :parent_journals, ->{where(parent_id: nil)}
@@ -54,6 +57,81 @@ class Journal < ApplicationRecord
     self.notes.blank? && self.journal_details.present?
   end
 
+  def operate_content 
+    content = ""
+    detail = self.journal_details.take
+    case detail.property
+    when 'issue'
+      return "创建了<b>疑修</b>"
+    when 'attachment'
+      old_value = Attachment.where(id: detail.old_value.split(",")).pluck(:filename).join("、")
+      new_value = Attachment.where(id: detail.value.split(",")).pluck(:filename).join("、")
+      if old_value.nil? || old_value.blank? 
+        content += "添加了<b>#{new_value}</b>附件"
+      else 
+        new_value = "无" if new_value.blank?
+        content += "将附件由<b>#{old_value}</b>更改为<b>#{new_value}</b>"
+      end
+    when 'issue_tag'
+      old_value = IssueTag.where(id: detail.old_value.split(",")).pluck(:name, :color).map{|t| "<span style='color: #{t[1]}'>#{t[0]}</span>"}.join(" ")
+      new_value = IssueTag.where(id: detail.value.split(",")).pluck(:name, :color).map{|t| "<span style='color: #{t[1]}'>#{t[0]}</span>"}.join(" ")
+      if old_value.nil? || old_value.blank? 
+        content += "添加了<b>#{new_value}</b>标记"
+      else 
+        new_value = "无" if new_value.blank?
+        content += "将标记由<b>#{old_value}</b>更改为<b>#{new_value}</b>"
+      end
+    when 'assigner'
+      old_value = User.where(id: detail.old_value.split(",")).pluck(:nickname).join("、")
+      new_value = User.where(id: detail.value.split(",")).pluck(:nickname).join("、")
+      if old_value.nil? || old_value.blank? 
+        content += "添加负责人<b>#{new_value}</b>"
+      else 
+        new_value = "无" if new_value.blank?
+        content += "将负责人由<b>#{old_value}</b>更改为<b>#{new_value}</b>"
+      end
+    when 'attr'
+      content = "将"
+      case detail.prop_key
+      when 'subject'
+        return "修改了<b>标题</b>"
+      when 'description'
+        return "修改了<b>描述</b>"
+      when 'status_id'
+        old_value = IssueStatus.find_by_id(detail.old_value)&.name 
+        new_value = IssueStatus.find_by_id(detail.value)&.name 
+        content += "状态"
+      when 'priority_id'
+        old_value = IssuePriority.find_by_id(detail.old_value)&.name 
+        new_value = IssuePriority.find_by_id(detail.value)&.name
+        content += "优先级"
+      when 'fixed_version_id'
+        old_value = Version.find_by_id(detail.old_value)&.name
+        new_value = Version.find_by_id(detail.value)&.name
+        content += "里程碑"
+      when 'branch_name'
+        old_value = detail.old_value 
+        new_value = detail.value 
+        content += "关联分支"
+      when 'start_date'
+        old_value = detail.old_value 
+        new_value = detail.value 
+        content += "开始日期"
+      when 'due_date'
+        old_value = detail.old_value 
+        new_value = detail.value 
+        content += "结束日期"
+      end
+      if old_value.nil? || old_value.blank? 
+        content += "设置为<b>#{new_value}</b>"
+      else 
+        new_value = "无" if new_value.blank?
+        content += "由<b>#{old_value}</b>更改为<b>#{new_value}</b>"
+      end
+    end
+    
+  end
+
   def journal_content
     send_details = []
     if self.is_journal_detail?
diff --git a/app/models/project.rb b/app/models/project.rb
index e1670bf53..68a8d071d 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -421,4 +421,19 @@ class Project < ApplicationRecord
     raise("项目名称包含敏感词汇，请重新输入") if name && !HarmoniousDictionary.clean?(name)
     raise("项目描述包含敏感词汇，请重新输入") if description && !HarmoniousDictionary.clean?(description)
   end
+
+  def get_last_project_issues_index
+    last_issue = self.issues.issue_issue.last 
+    deleted_issue_count = ($redis_cache.hget("issue_cache_delete_count", self.id) || 0).to_i
+
+    last_issue&.project_issues_index.present? ? last_issue.project_issues_index + deleted_issue_count : 0
+  end
+
+  def incre_project_issue_cache_delete_count(count=1)
+    $redis_cache.hincrby("issue_cache_delete_count", self.id, count) 
+  end
+
+  def del_project_issue_cache_delete_count
+    $redis_cache.hdel("issue_cache_delete_count", self.id) 
+  end
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index b43e289ed..193e6c68f 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -178,6 +178,10 @@ class User < Owner
   has_many :user_trace_tasks, dependent: :destroy 
   
   has_many :feedbacks, dependent: :destroy
+  has_many :issue_assigners, foreign_key: :assigner_id
+  has_many :assigned_issues, through: :issue_assigners, source: :issue
+  has_many :issue_participants, foreign_key: :participant_id 
+  has_many :participant_issues, through: :issue_participants, source: :issue
   # Groups and active users
   scope :active, lambda { where(status: [STATUS_ACTIVE, STATUS_EDIT_INFO]) }
   scope :like, lambda { |keywords|
diff --git a/app/models/version.rb b/app/models/version.rb
index 41256833a..1e14a135c 100644
--- a/app/models/version.rb
+++ b/app/models/version.rb
@@ -28,6 +28,9 @@ class Version < ApplicationRecord
   has_many :issues, class_name: "Issue", foreign_key: "fixed_version_id"
   belongs_to :user, optional: true
 
+  has_many :opened_issues, -> {where(issue_classify: "issue").where.not(status_id: 5)}, class_name: "Issue", foreign_key: :fixed_version_id
+  has_many :closed_issues, -> {where(issue_classify: "issue", status_id: 5)}, class_name: "Issue", foreign_key: :fixed_version_id
+
   scope :version_includes, ->{includes(:issues, :user)}
   scope :closed, ->{where(status: 'closed')}
   scope :opening, ->{where(status: 'open')}
@@ -43,6 +46,11 @@ class Version < ApplicationRecord
   after_create :send_create_message_to_notice_system
   after_save :send_update_message_to_notice_system
 
+  def issue_percent 
+    issues_total_count = opened_issues.size + closed_issues.size
+    issues_total_count.zero? ? 0.0 : closed_issues.size.to_f / issues_total_count
+  end
+
   def version_user
     User.select(:login, :lastname,:firstname, :nickname)&.find_by_id(self.user_id)
   end
@@ -53,6 +61,6 @@ class Version < ApplicationRecord
   end
 
   def send_update_message_to_notice_system
-    SendTemplateMessageJob.perform_later('ProjectMilestoneCompleted', self.id) if Site.has_notice_menu? && self.percent == 1.0
+    SendTemplateMessageJob.perform_later('ProjectMilestoneCompleted', self.id) if Site.has_notice_menu? && self.issue_percent == 1.0
   end
 end
diff --git a/app/services/api/v1/issues/batch_delete_service.rb b/app/services/api/v1/issues/batch_delete_service.rb
new file mode 100644
index 000000000..45821b373
--- /dev/null
+++ b/app/services/api/v1/issues/batch_delete_service.rb
@@ -0,0 +1,38 @@
+class Api::V1::Issues::BatchDeleteService < ApplicationService
+  include ActiveModel::Model
+
+  attr_reader :project, :issues, :current_user
+
+  validates :project, :issues, :current_user, presence: true
+
+  def initialize(project, issues, current_user = nil)
+    @project = project 
+    @issues = issues.includes(:assigners)
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
+
+    delete_issues
+
+    project.incre_project_issue_cache_delete_count(@issues.size)
+
+    if Site.has_notice_menu?
+      @issues.each do |issue|
+        SendTemplateMessageJob.perform_later('IssueDeleted', current_user.id, @issue&.subject, @issue.assigners.pluck(:id), @issue.author_id) 
+      end
+    end
+
+    unlock("Api::V1::Issues::DeleteService:#{project.id}")
+
+    return true
+  end
+
+  private
+
+  def delete_issues
+    raise Error, "批量删除疑修失败！" unless @issues.destroy_all
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/batch_update_service.rb b/app/services/api/v1/issues/batch_update_service.rb
new file mode 100644
index 000000000..ccf783dca
--- /dev/null
+++ b/app/services/api/v1/issues/batch_update_service.rb
@@ -0,0 +1,33 @@
+class Api::V1::Issues::BatchUpdateService < ApplicationService
+  include ActiveModel::Model
+  include Api::V1::Issues::Concerns::Checkable 
+  include Api::V1::Issues::Concerns::Loadable 
+
+  attr_reader :project, :issues, :params, :current_user
+  attr_reader :status_id, :priority_id, :milestone_id
+  attr_reader :issue_tag_ids, :assigner_ids
+
+  validates :project, :issues, :current_user, presence: true
+
+  def initialize(project, issues, params, current_user = nil)
+    @project = project 
+    @issues = issues
+    @params = params
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    ActiveRecord::Base.transaction do 
+      @issues.each do |issue| 
+        if issue.issue_classify == "issue"
+          Api::V1::Issues::UpdateService.call(project, issue, params, current_user)
+        end
+      end
+
+      return true
+    end
+  end
+
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/concerns/checkable.rb b/app/services/api/v1/issues/concerns/checkable.rb
new file mode 100644
index 000000000..d013c3033
--- /dev/null
+++ b/app/services/api/v1/issues/concerns/checkable.rb
@@ -0,0 +1,48 @@
+module Api::V1::Issues::Concerns::Checkable 
+
+  def check_issue_status(status_id)
+    raise ApplicationService::Error, "IssueStatus不存在！" unless IssueStatus.find_by_id(status_id).present?
+  end
+
+  def check_issue_priority(priority_id)
+    raise ApplicationService::Error, "IssuePriority不存在！" unless IssuePriority.find_by_id(priority_id).present? 
+  end
+
+  def check_milestone(milestone_id)
+    raise ApplicationService::Error, "Milestone不存在！" unless Version.find_by_id(milestone_id).present?
+  end
+
+  def check_issue_tags(issue_tag_ids)
+    raise ApplicationService::Error, "请输入正确的标记ID数组！" unless issue_tag_ids.is_a?(Array)
+    raise ApplicationService::Error, "最多可选择3个标记" if issue_tag_ids.size > 3
+    issue_tag_ids.each do |tid|
+      raise ApplicationService::Error, "请输入正确的标记ID！" unless IssueTag.exists?(id: tid)
+    end
+  end
+
+  def check_assigners(assigner_ids)
+    raise ApplicationService::Error, "请输入正确的负责人ID数组！" unless assigner_ids.is_a?(Array)
+    raise ApplicationService::Error, "最多可选择5个负责人" if assigner_ids.size > 5
+    assigner_ids.each do |aid|
+      raise ApplicationService::Error, "请输入正确的负责人ID！" unless User.exists?(id: aid)
+    end 
+  end
+
+  def check_attachments (attachment_ids)
+    raise ApplicationService::Error, "请输入正确的附件ID数组！" unless attachment_ids.is_a?(Array)
+    attachment_ids.each do |aid|
+      raise ApplicationService::Error, "请输入正确的附件ID！" unless Attachment.exists?(id: aid)
+    end 
+  end
+
+  def check_atme_receivers(receivers_login)
+    raise ApplicationService::Error, "请输入正确的用户标识数组！" unless receivers_login.is_a?(Array)
+    receivers_login.each do |rlogin|
+      raise ApplicationService::Error, "请输入正确的用户标识！" unless User.exists?(login: rlogin)
+    end 
+  end
+
+  def check_parent_journal(parent_id)
+    raise ApplicationService::Error, "ParentJournal不存在！" unless Journal.find_by_id(parent_id).present? 
+  end
+end
diff --git a/app/services/api/v1/issues/concerns/loadable.rb b/app/services/api/v1/issues/concerns/loadable.rb
new file mode 100644
index 000000000..df30042e0
--- /dev/null
+++ b/app/services/api/v1/issues/concerns/loadable.rb
@@ -0,0 +1,19 @@
+module Api::V1::Issues::Concerns::Loadable 
+
+  def load_assigners(assigner_ids)
+    @assigners = User.where(id: assigner_ids)
+  end
+
+  def load_issue_tags(issue_tag_ids)
+    @issue_tags = IssueTag.where(id: issue_tag_ids)
+  end
+
+  def load_attachments(attachment_ids)
+    @attachments = Attachment.where(id: attachment_ids)
+  end
+
+  def load_atme_receivers(receivers_login)
+    @atme_receivers = User.where(login: receivers_login)
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/create_service.rb b/app/services/api/v1/issues/create_service.rb
new file mode 100644
index 000000000..a7ddf7e77
--- /dev/null
+++ b/app/services/api/v1/issues/create_service.rb
@@ -0,0 +1,126 @@
+class Api::V1::Issues::CreateService < ApplicationService
+  include ActiveModel::Model
+  include Api::V1::Issues::Concerns::Checkable 
+  include Api::V1::Issues::Concerns::Loadable 
+
+  attr_reader :project, :current_user
+  attr_reader :status_id, :priority_id, :milestone_id, :branch_name, :start_date, :due_date, :subject, :description
+  attr_reader :issue_tag_ids, :assigner_ids, :attachment_ids, :receivers_login
+  attr_accessor :created_issue
+
+  validates :subject, presence: true
+  validates :status_id, :priority_id, presence: true
+  validates :project, :current_user, presence: true
+
+  def initialize(project, params, current_user = nil)
+    @project = project 
+    @current_user = current_user 
+    @status_id = params[:status_id]
+    @priority_id = params[:priority_id]
+    @milestone_id = params[:milestone_id]
+    @branch_name = params[:branch_name]
+    @start_date = params[:start_date]
+    @due_date = params[:due_date]
+    @subject = params[:subject]
+    @description = params[:description]
+    @issue_tag_ids = params[:issue_tag_ids]
+    @assigner_ids = params[:assigner_ids]
+    @attachment_ids = params[:attachment_ids]
+    @receivers_login = params[:receivers_login]
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    ActiveRecord::Base.transaction do 
+      check_issue_status(status_id)
+      check_issue_priority(priority_id)
+      check_milestone(milestone_id) if milestone_id.present?
+      check_issue_tags(issue_tag_ids) unless issue_tag_ids.blank?
+      check_assigners(assigner_ids) unless assigner_ids.blank?
+      check_attachments(attachment_ids) unless attachment_ids.blank?
+      check_atme_receivers(receivers_login) unless receivers_login.blank?
+      load_assigners(assigner_ids) unless assigner_ids.blank?
+      load_attachments(attachment_ids) unless attachment_ids.blank?
+      load_issue_tags(issue_tag_ids) unless issue_tag_ids.blank?
+      load_atme_receivers(receivers_login) unless receivers_login.blank?
+    
+      try_lock("Api::V1::Issues::CreateService:#{project.id}") # 开始写数据，加锁
+      @created_issue = Issue.new(issue_attributes)
+      build_author_participants
+      build_assigner_participants unless assigner_ids.blank?
+      build_atme_participants if @atme_receivers.present?
+      build_issue_journal_details 
+      build_issue_project_trends 
+      @created_issue.assigners = @assigners unless assigner_ids.blank?
+      @created_issue.attachments = @attachments unless attachment_ids.blank?
+      @created_issue.issue_tags = @issue_tags unless issue_tag_ids.blank?
+      
+      @created_issue.issue_tags_value = @issue_tags.order("id asc").pluck(:id).join(",") unless issue_tag_ids.blank?
+      @created_issue.save!
+      project.del_project_issue_cache_delete_count # 把缓存里存储项目删除issue的个数清除掉
+
+      # @信息发送
+      AtmeService.call(current_user, @atme_receivers, @created_issue) unless receivers_login.blank?
+
+      # 发消息
+      if Site.has_notice_menu?
+        SendTemplateMessageJob.perform_later('IssueAssigned', current_user.id, @issue&.id, assigner_ids) unless assigner_ids.blank?
+        SendTemplateMessageJob.perform_later('ProjectIssue', current_user.id, @issue&.id)
+      end
+ 
+      unlock("Api::V1::Issues::CreateService:#{project.id}") # 结束写数据，解锁
+    end
+    
+    return @created_issue
+  end
+
+  private 
+
+  def issue_attributes 
+    issue_attributes = {
+      subject: subject,
+      project_id: project.id,
+      author_id: current_user.id,
+      tracker_id: Tracker.first.id,
+      status_id: status_id, 
+      priority_id: priority_id,
+      project_issues_index: (project.get_last_project_issues_index + 1),
+      issue_type: "1",
+      issue_classify: "issue"
+    }
+
+    issue_attributes.merge!({description: description}) if description.present?
+    issue_attributes.merge!({fixed_version_id: milestone_id}) if milestone_id.present?
+    issue_attributes.merge!({start_date: start_date}) if start_date.present?
+    issue_attributes.merge!({due_date: due_date}) if due_date.present?
+    issue_attributes.merge!({branch_name: branch_name}) if branch_name.present?
+
+    issue_attributes
+  end
+
+  def build_author_participants 
+    @created_issue.issue_participants.new({participant_type: "authored", participant_id: current_user.id})
+  end
+
+  def build_assigner_participants
+    assigner_ids.each do |aid|
+      @created_issue.issue_participants.new({participant_type: "assigned", participant_id: aid})
+    end
+  end
+
+  def build_atme_participants
+    @atme_receivers.each do |receiver|
+      @created_issue.issue_participants.new({participant_type: "atme", participant_id: receiver.id})
+    end
+  end
+
+  def build_issue_project_trends
+    @created_issue.project_trends.new({user_id: current_user.id, project_id: @project.id, action_type: "create"})
+    @created_issue.project_trends.new({user_id: current_user.id, project_id: @project.id, action_type: ProjectTrend::CLOSE}) if status_id.to_i == 5
+  end
+
+  def build_issue_journal_details
+    journal = @created_issue.journals.new({user_id: current_user.id})
+    journal.journal_details.new({property: "issue", prop_key: 1, old_value: '', value: ''})
+  end 
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/delete_service.rb b/app/services/api/v1/issues/delete_service.rb
new file mode 100644
index 000000000..a34fdced6
--- /dev/null
+++ b/app/services/api/v1/issues/delete_service.rb
@@ -0,0 +1,37 @@
+class Api::V1::Issues::DeleteService < ApplicationService
+  include ActiveModel::Model
+
+  attr_reader :project, :issue, :current_user
+
+  validates :project, :issue, :current_user, presence: true
+
+  def initialize(project, issue, current_user = nil)
+    @project = project 
+    @issue = issue
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
+
+    delete_issue
+
+    project.incre_project_issue_cache_delete_count
+
+    if Site.has_notice_menu?
+      SendTemplateMessageJob.perform_later('IssueDeleted', current_user.id, @issue&.subject, @issue.assigners.pluck(:id), @issue.author_id) 
+    end
+    
+    unlock("Api::V1::Issues::DeleteService:#{project.id}")
+
+    return true
+  end
+
+  private
+
+  def delete_issue
+    raise Error, "删除疑修失败！" unless issue.destroy!
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/journals/children_list_service.rb b/app/services/api/v1/issues/journals/children_list_service.rb
new file mode 100644
index 000000000..d46f9fbbe
--- /dev/null
+++ b/app/services/api/v1/issues/journals/children_list_service.rb
@@ -0,0 +1,42 @@
+class Api::V1::Issues::Journals::ChildrenListService < ApplicationService 
+
+  include ActiveModel::Model
+
+  attr_reader :issue, :journal, :keyword, :sort_by, :sort_direction
+  attr_accessor :queried_journals
+
+  validates :sort_by, inclusion: {in: Journal.column_names, message: '请输入正确的SortBy'}, allow_blank: true
+  validates :sort_direction, inclusion: {in: %w(asc desc), message: '请输入正确的SortDirection'}, allow_blank: true
+
+
+  def initialize(issue, journal, params, current_user=nil)
+    @issue = issue 
+    @journal = journal 
+    @keyword = params[:keyword]
+    @sort_by = params[:sort_by].present? ? params[:sort_by] : 'created_on'
+    @sort_direction = (params[:sort_direction].present? ? params[:sort_direction] : 'asc').downcase
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    begin
+      journal_query_data
+        
+      return @queried_journals
+    rescue 
+      raise Error, "服务器错误，请联系系统管理员！"
+      
+    end
+  end
+
+  private 
+  def journal_query_data
+    @queried_journals = journal.children_journals
+
+    @queried_journals = @queried_journals.ransack(notes_cont: keyword).result if keyword.present?
+    @queried_journals = @queried_journals.includes(:user, :attachments, :reply_journal)
+    @queried_journals = @queried_journals.reorder("journals.#{sort_by} #{sort_direction}").distinct
+
+    @queried_journals
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/journals/create_service.rb b/app/services/api/v1/issues/journals/create_service.rb
new file mode 100644
index 000000000..dce00349b
--- /dev/null
+++ b/app/services/api/v1/issues/journals/create_service.rb
@@ -0,0 +1,75 @@
+class Api::V1::Issues::Journals::CreateService < ApplicationService
+  include ActiveModel::Model
+  include Api::V1::Issues::Concerns::Checkable 
+  include Api::V1::Issues::Concerns::Loadable 
+
+  attr_reader :issue, :current_user, :notes, :parent_id, :reply_id, :attachment_ids, :receivers_login
+  attr_accessor :created_journal, :atme_receivers
+
+  validates :notes, :issue, :current_user, presence: true
+
+  def initialize(issue, params, current_user=nil)
+    @issue = issue 
+    @notes = params[:notes]
+    @parent_id = params[:parent_id]
+    @reply_id = params[:reply_id]
+    @attachment_ids = params[:attachment_ids]
+    @receivers_login = params[:receivers_login]
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid?
+    raise Error, "请输入回复的评论ID" if parent_id.present? && !reply_id.present?
+    ActiveRecord::Base.transaction do 
+      check_parent_journal(parent_id) if parent_id.present? 
+      check_parent_journal(reply_id) if reply_id.present? 
+      check_attachments(attachment_ids) unless attachment_ids.nil?
+      check_atme_receivers(receivers_login) unless receivers_login.nil?
+      load_attachments(attachment_ids) unless attachment_ids.nil?
+      load_atme_receivers(receivers_login) unless receivers_login.nil?
+
+      try_lock("Api::V1::Issues::Journals::CreateService:#{@issue.id}")
+      @created_journal = @issue.journals.new(journal_attributes)
+
+      build_comment_participants 
+      build_atme_participants if @atme_receivers.present?
+      @created_journal.attachments = @attachments unless attachment_ids.blank?
+      
+      @created_journal.save!
+      @issue.save!
+
+      # @信息发送
+      AtmeService.call(current_user, @atme_receivers, @created_journal) unless receivers_login.blank?
+
+      unlock("Api::V1::Issues::Journals::CreateService:#{@issue.id}")
+
+      @created_journal
+    end
+  end 
+
+  private 
+
+  def journal_attributes 
+    journal_attributes = {
+      notes: notes,
+      user_id: current_user.id
+    }
+
+    journal_attributes.merge!({parent_id: parent_id}) if parent_id.present?
+    journal_attributes.merge!({reply_id: reply_id}) if reply_id.present?
+    
+    journal_attributes
+  end
+
+  def build_comment_participants
+    @issue.issue_participants.new({participant_type: "commented", participant_id: current_user.id}) unless @issue.issue_participants.exists?(participant_type: "commented", participant_id: current_user.id)
+  end
+
+  def build_atme_participants
+    @atme_receivers.each do |receiver|
+      next if @issue.issue_participants.exists?(participant_type: "atme", participant_id: receiver.id)
+      @issue.issue_participants.new({participant_type: "atme", participant_id: receiver.id})
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/journals/list_service.rb b/app/services/api/v1/issues/journals/list_service.rb
new file mode 100644
index 000000000..02f709e55
--- /dev/null
+++ b/app/services/api/v1/issues/journals/list_service.rb
@@ -0,0 +1,52 @@
+class Api::V1::Issues::Journals::ListService < ApplicationService
+
+  include ActiveModel::Model
+
+  attr_reader :issue, :category, :keyword, :sort_by, :sort_direction
+  attr_accessor :queried_journals
+
+  validates :category, inclusion: {in: %w(all comment operate), message: "请输入正确的Category"}
+  validates :sort_by, inclusion: {in: Journal.column_names, message: '请输入正确的SortBy'}, allow_blank: true
+  validates :sort_direction, inclusion: {in: %w(asc desc), message: '请输入正确的SortDirection'}, allow_blank: true
+
+  def initialize(issue, params, current_user=nil)
+    @issue = issue
+    @keyword = params[:keyword]
+    @category = params[:category] || 'all'
+    @sort_by = params[:sort_by].present? ?  params[:sort_by] : 'created_on'
+    @sort_direction = (params[:sort_direction].present? ? params[:sort_direction] : 'asc').downcase
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    begin
+      journal_query_data
+      
+      @queried_journals
+    rescue 
+      raise Error, "服务器错误，请联系系统管理员！"
+    end
+  end
+
+  private 
+  def journal_query_data
+
+    @queried_journals = issue.journals
+
+    case category 
+    when 'comment'
+      @queried_journals = issue.comment_journals
+    when 'operate'
+      @queried_journals = issue.operate_journals
+    end
+
+    @queried_journals = @queried_journals.parent_journals
+
+    @queried_journals = @queried_journals.ransack(notes_cont: keyword).result if keyword.present?
+
+    @queried_journals = @queried_journals.includes(:journal_details, :user, :attachments, first_ten_children_journals: [:parent_journal, :reply_journal])
+    @queried_journals = @queried_journals.reorder("journals.#{sort_by} #{sort_direction}").distinct
+
+    @queried_journals
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/journals/update_service.rb b/app/services/api/v1/issues/journals/update_service.rb
new file mode 100644
index 000000000..e5031aafe
--- /dev/null
+++ b/app/services/api/v1/issues/journals/update_service.rb
@@ -0,0 +1,57 @@
+class Api::V1::Issues::Journals::UpdateService < ApplicationService 
+  include ActiveModel::Model
+  include Api::V1::Issues::Concerns::Checkable 
+  include Api::V1::Issues::Concerns::Loadable 
+
+  attr_reader :issue, :journal, :current_user, :notes, :attachment_ids, :receivers_login
+  attr_accessor :updated_journal, :atme_receivers
+
+  validates :notes, :issue, :journal, :current_user, presence: true
+
+  def initialize(issue, journal, params, current_user=nil)
+    @issue = issue
+    @journal = journal
+    @notes = params[:notes]
+    @attachment_ids = params[:attachment_ids]
+    @receivers_login = params[:receivers_login]
+    @current_user = current_user 
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid?
+    ActiveRecord::Base.transaction do 
+      check_attachments(attachment_ids) unless attachment_ids.nil?
+      check_atme_receivers(receivers_login) unless receivers_login.nil?
+      load_attachments(attachment_ids) unless attachment_ids.nil?
+      load_atme_receivers(receivers_login) unless receivers_login.nil?
+
+      try_lock("Api::V1::Issues::Journals::UpdateService:#{@issue.id}:#{@journal.id}")
+      @updated_journal = @journal
+      @updated_journal.notes = notes
+
+      build_atme_participants if @atme_receivers.present?
+
+      @updated_journal.attachments = @attachments unless attachment_ids.nil?
+      
+      @updated_journal.save!
+      @issue.save!
+
+      # @信息发送
+      AtmeService.call(current_user, @atme_receivers, @created_journal) unless receivers_login.blank?
+
+      unlock("Api::V1::Issues::Journals::UpdateService:#{@issue.id}:#{@journal.id}")
+
+      @updated_journal
+    end
+  end
+
+  private 
+
+  def build_atme_participants
+    @atme_receivers.each do |receiver|
+      next if @issue.issue_participants.exists?(participant_type: "atme", participant_id: receiver.id)
+      @issue.issue_participants.new({participant_type: "atme", participant_id: receiver.id})
+    end
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/list_service.rb b/app/services/api/v1/issues/list_service.rb
new file mode 100644
index 000000000..fa27f4ee4
--- /dev/null
+++ b/app/services/api/v1/issues/list_service.rb
@@ -0,0 +1,91 @@
+class Api::V1::Issues::ListService < ApplicationService
+  include ActiveModel::Model
+
+  attr_reader :project, :category, :participant_category, :keyword, :author_id, :issue_tag_ids
+  attr_reader :milestone_id, :assigner_id, :status_id, :sort_by, :sort_direction, :current_user
+  attr_accessor :queried_issues, :total_issues_count, :closed_issues_count, :opened_issues_count
+
+  validates :category, inclusion: {in: %w(all opened closed), message: "请输入正确的Category"}
+  validates :participant_category, inclusion: {in: %w(all aboutme authoredme assignedme atme), message: "请输入正确的ParticipantCategory"}
+  validates :sort_by, inclusion: {in: ['issues.created_on', 'issues.updated_on', 'issue_priorities.position'], message: '请输入正确的SortBy'}, allow_blank: true
+  validates :sort_direction, inclusion: {in: %w(asc desc), message: '请输入正确的SortDirection'}, allow_blank: true
+  validates :current_user, presence: true
+
+  def initialize(project, params, current_user=nil)
+    @project = project
+    @category = params[:category] || 'all'
+    @participant_category = params[:participant_category] || 'all'
+    @keyword = params[:keyword]
+    @author_id = params[:author_id]
+    @issue_tag_ids = params[:issue_tag_ids].present? ? params[:issue_tag_ids].split(",") : []
+    @milestone_id = params[:milestone_id]
+    @assigner_id = params[:assigner_id]
+    @status_id = params[:status_id]
+    @sort_by = params[:sort_by].present? ?  params[:sort_by] : 'issues.updated_on'
+    @sort_direction = (params[:sort_direction].present? ? params[:sort_direction] : 'desc').downcase
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    # begin
+      issue_query_data
+
+      return {data: queried_issues, total_issues_count: @total_issues_count, closed_issues_count: @closed_issues_count, opened_issues_count: @opened_issues_count}
+    # rescue 
+    #   raise Error, "服务器错误，请联系系统管理员！"
+    # end
+  end
+
+  private 
+  def issue_query_data 
+    issues = @project.issues.issue_issue
+
+    case participant_category
+    when 'aboutme' # 关于我的
+      issues = issues.joins(:issue_participants).where(issue_participants: {participant_type: %w(authored assigned atme), participant_id: current_user&.id})
+    when 'authoredme' # 我创建的
+      issues = issues.joins(:issue_participants).where(issue_participants: {participant_type: 'authored', participant_id: current_user&.id})
+    when 'assignedme' # 我负责的
+      issues = issues.joins(:issue_participants).where(issue_participants: {participant_type: 'assigned', participant_id: current_user&.id})
+    when 'atme' # @我的
+      issues = issues.joins(:issue_participants).where(issue_participants: {participant_type: 'atme', participant_id: current_user&.id})
+    end
+
+    # author_id
+    issues = issues.where(author_id: author_id) if author_id.present?
+
+    # issue_tag_ids
+    issues = issues.ransack(issue_tags_value_cont: issue_tag_ids.sort!.join(",")).result unless issue_tag_ids.blank?
+    
+    # milestone_id
+    issues = issues.where(fixed_version_id: milestone_id) if milestone_id.present?
+
+    # assigner_id
+    issues = issues.joins(:assigners).where(users: {id: assigner_id}) if assigner_id.present?
+
+    # status_id
+    issues = issues.where(status_id: status_id) if status_id.present?
+
+    # keyword
+    issues = issues.ransack(subject_or_description_cont: keyword).result if keyword.present?
+
+    @total_issues_count = issues.distinct.size
+    @closed_issues_count = issues.closed.distinct.size 
+    @opened_issues_count = issues.opened.distinct.size
+
+    case category 
+    when 'closed'
+      issues = issues.closed
+    when 'opened'
+      issues = issues.opened
+    end
+
+    scope = issues.includes(:priority, :issue_status, :user, :show_assigners, :show_issue_tags, :version, :comment_journals)
+
+    scope = scope.reorder("#{sort_by} #{sort_direction}").distinct
+
+    @queried_issues = scope
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/milestones/detail_issues_service.rb b/app/services/api/v1/issues/milestones/detail_issues_service.rb
new file mode 100644
index 000000000..8b6f69aed
--- /dev/null
+++ b/app/services/api/v1/issues/milestones/detail_issues_service.rb
@@ -0,0 +1,65 @@
+class Api::V1::Issues::Milestones::DetailIssuesService < ApplicationService 
+  include ActiveModel::Model
+
+  attr_reader :project, :category, :author_id, :assigner_id, :issue_tag_ids, :sort_by, :sort_direction, :current_user
+  attr_accessor :queried_issues, :total_issues_count, :closed_issues_count, :opened_issues_count
+
+  validates :category, inclusion: {in: %w(all opened closed), message: "请输入正确的Category"}
+  validates :sort_by, inclusion: {in: ['issues.created_on', 'issues.updated_on', 'issue_priorities.position'], message: '请输入正确的SortBy'}, allow_blank: true
+  validates :sort_direction, inclusion: {in: %w(asc desc), message: '请输入正确的SortDirection'}, allow_blank: true
+  validates :current_user, presence: true
+
+  def initialize(project, milestone, params, current_user=nil)
+    @project = project 
+    @milestone = milestone
+    @category = params[:category] || 'all'
+    @author_id = params[:author_id]
+    @assigner_id = params[:assigner_id]
+    @issue_tag_ids = params[:issue_tag_ids].present? ? params[:issue_tag_ids].split(",") : []
+    @sort_by = params[:sort_by].present? ?  params[:sort_by] : 'issues.updated_on'
+    @sort_direction = (params[:sort_direction].present? ? params[:sort_direction] : 'desc').downcase
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    begin
+      issue_query_data 
+
+      return {data: queried_issues, total_issues_count: @total_issues_count, closed_issues_count: @closed_issues_count, opened_issues_count: @opened_issues_count}
+    rescue
+      raise Error, "服务器错误，请联系系统管理员！"
+    end
+  end
+
+  private 
+  def issue_query_data
+    issues = @milestone.issues.issue_issue
+
+    # author_id 
+    issues = issues.where(author_id: author_id) if author_id.present? 
+
+    # assigner_id 
+    issues = issues.joins(:assigners).where(users: {id: assigner_id}).or(issues.joins(:assigners).where(assigned_to_id: assigner_id)) if assigner_id.present? 
+
+    issues = issues.ransack(issue_tags_value_cont: issue_tag_ids.sort!.join(",")).result unless issue_tag_ids.blank?
+
+    @total_issues_count = issues.distinct.size
+    @closed_issues_count = issues.closed.distinct.size 
+    @opened_issues_count = issues.opened.distinct.size
+
+    case category 
+    when 'closed'
+      issues = issues.closed 
+    when 'opened'
+      issues = issues.opened
+    end
+
+    scope = issues.includes(:priority, :issue_status, :user, :show_assigners, :version, :show_issue_tags, :comment_journals).references(:assigners)
+
+    scope = scope.reorder("#{sort_by} #{sort_direction}").distinct
+
+    @queried_issues = scope
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/api/v1/issues/update_service.rb b/app/services/api/v1/issues/update_service.rb
new file mode 100644
index 000000000..45274b9c4
--- /dev/null
+++ b/app/services/api/v1/issues/update_service.rb
@@ -0,0 +1,240 @@
+class Api::V1::Issues::UpdateService < ApplicationService
+  include ActiveModel::Model 
+  include Api::V1::Issues::Concerns::Checkable 
+  include Api::V1::Issues::Concerns::Loadable 
+
+  attr_reader :project, :issue, :current_user
+  attr_reader :status_id, :priority_id, :milestone_id, :branch_name, :start_date, :due_date, :subject, :description
+  attr_reader :issue_tag_ids, :assigner_ids, :attachment_ids, :receivers_login
+  attr_accessor :add_assigner_ids, :previous_issue_changes, :updated_issue, :atme_receivers
+
+  validates :project, :issue, :current_user, presence: true
+
+  def initialize(project, issue, params, current_user = nil) 
+    @project = project 
+    @issue = issue
+    @current_user = current_user
+    @status_id = params[:status_id]
+    @priority_id = params[:priority_id]
+    @milestone_id = params[:milestone_id]
+    @branch_name = params[:branch_name]
+    @start_date = params[:start_date]
+    @due_date = params[:due_date]
+    @subject = params[:subject]
+    @description = params[:description]
+    @issue_tag_ids = params[:issue_tag_ids]
+    @assigner_ids = params[:assigner_ids]
+    @attachment_ids = params[:attachment_ids]
+    @receivers_login = params[:receivers_login]
+    @add_assigner_ids = []
+    @previous_issue_changes = {}
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    ActiveRecord::Base.transaction do 
+      check_issue_status(status_id) if status_id.present?
+      check_issue_priority(priority_id) if priority_id.present?
+      check_milestone(milestone_id) if milestone_id.present?
+      check_issue_tags(issue_tag_ids) unless issue_tag_ids.nil?
+      check_assigners(assigner_ids) unless assigner_ids.nil?
+      check_attachments(attachment_ids) unless attachment_ids.nil?
+      check_atme_receivers(receivers_login) unless receivers_login.nil?
+      load_assigners(assigner_ids)
+      load_attachments(attachment_ids)
+      load_issue_tags(issue_tag_ids)
+      load_atme_receivers(receivers_login) unless receivers_login.nil?
+
+      try_lock("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}")
+      @updated_issue = @issue
+      issue_load_attributes
+      build_assigner_issue_journal_details unless assigner_ids.nil?# 操作记录
+      build_attachment_issue_journal_details unless attachment_ids.nil?
+      build_issue_tag_issue_journal_details unless issue_tag_ids.nil?
+      build_issue_project_trends if status_id.present? # 开关时间记录
+      build_assigner_participants unless assigner_ids.nil? # 负责人
+      build_edit_participants 
+      build_atme_participants if @atme_receivers.present?
+      @updated_issue.assigners = @assigners || User.none unless assigner_ids.nil?
+      @updated_issue.attachments = @attachments || Attachment.none unless attachment_ids.nil?
+      @updated_issue.issue_tags_relates.destroy_all & @updated_issue.issue_tags = @issue_tags || IssueTag.none unless issue_tag_ids.nil?
+      @updated_issue.issue_tags_value = @issue_tags.order("id asc").pluck(:id).join(",") unless issue_tag_ids.nil?
+
+      @updated_issue.updated_on = Time.now
+      @updated_issue.save!
+
+      build_after_issue_journal_details if @updated_issue.previous_changes.present? # 操作记录
+      build_previous_issue_changes
+
+      # @信息发送
+      AtmeService.call(current_user, @atme_receivers, @issue) unless receivers_login.blank?
+      # 消息发送
+      if Site.has_notice_menu?
+        SendTemplateMessageJob.perform_later('IssueChanged', current_user.id, @issue&.id, previous_issue_changes) unless previous_issue_changes.blank?
+        SendTemplateMessageJob.perform_later('IssueAssigned', current_user.id, @issue&.id, add_assigner_ids) unless add_assigner_ids.blank?
+      end
+
+      unlock("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}")
+
+      return @updated_issue
+    end
+  end
+ 
+  private
+
+  def issue_load_attributes 
+    @updated_issue.status_id = status_id if status_id.present?
+    @updated_issue.priority_id = priority_id if priority_id.present?
+    @updated_issue.fixed_version_id = milestone_id unless milestone_id.nil? 
+    @updated_issue.branch_name = branch_name unless branch_name.nil?
+    @updated_issue.start_date = start_date unless start_date.nil? 
+    @updated_issue.due_date = due_date unless due_date.nil? 
+    @updated_issue.subject = subject if subject.present? 
+    @updated_issue.description = description unless description.nil?
+  end
+
+  def build_assigner_participants
+    if assigner_ids.blank? 
+      @updated_issue.issue_participants.where(participant_type: "assigned").each(&:destroy!)
+    else
+      @updated_issue.issue_participants.where(participant_type: "assigned").where.not(participant_id: assigner_ids).each(&:destroy!)
+      assigner_ids.each do |aid|
+        next if @updated_issue.issue_participants.exists?(participant_type: "assigned", participant_id: aid)
+        @updated_issue.issue_participants.new({participant_type: "assigned", participant_id: aid})
+        @add_assigner_ids << aid
+      end
+    end
+  end
+
+  def build_edit_participants 
+    @updated_issue.issue_participants.new({participant_type: "edited", participant_id: current_user.id}) unless @updated_issue.issue_participants.exists?(participant_type: "edited", participant_id: current_user.id)
+  end
+
+  def build_atme_participants
+    @atme_receivers.each do |receiver|
+      next if @updated_issue.issue_participants.exists?(participant_type: "atme", participant_id: receiver.id)
+      @updated_issue.issue_participants.new({participant_type: "atme", participant_id: receiver.id})
+    end
+  end
+
+  def build_previous_issue_changes
+    @previous_issue_changes = @updated_issue.previous_changes.except("updated_on", "created_on")
+    if @updated_issue.previous_changes["start_date"].present? 
+      @previous_issue_changes.merge!(start_date: [@updated_issue.previous_changes["start_date"][0].to_s,  @updated_issue.previous_changes["start_date"][1].to_s])
+    end
+    if @updated_issue.previous_changes["due_date"].present? 
+      @previous_issue_changes.merge!(due_date: [@updated_issue.previous_changes["due_date"][0].to_s,  @updated_issue.previous_changes["due_date"][1].to_s])
+    end
+  end
+
+  def build_issue_project_trends
+    if @updated_issue.previous_changes["status_id"].present? && @updated_issue.previous_changes["status_id"][1] == 5
+      @updated_issue.project_trends.new({user_id: current_user.id, project_id: @project.id, action_type: ProjectTrend::CLOSE})
+    end
+    if @updated_issue.previous_changes["status_id"].present? && @updated_issue.previous_changes["status_id"][0] == 5
+      @updated_issue.project_trends.where(action_type: ProjectTrend::CLOSE).each(&:destroy!)
+    end
+  end
+
+  def build_after_issue_journal_details
+    begin
+      # 更改标题
+      if @updated_issue.previous_changes["subject"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "subject", old_value: @updated_issue.previous_changes["subject"][0], value: @updated_issue.previous_changes["subject"][1]})
+      end
+
+      # 更改描述
+      if @updated_issue.previous_changes["description"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "description", old_value: @updated_issue.previous_changes["description"][0], value: @updated_issue.previous_changes["description"][1]})
+      end
+
+      # 修改状态
+      if @updated_issue.previous_changes["status_id"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "status_id", old_value: @updated_issue.previous_changes["status_id"][0], value: @updated_issue.previous_changes["status_id"][1]})
+      end
+
+      # 修改优先级
+      if @updated_issue.previous_changes["priority_id"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "priority_id", old_value: @updated_issue.previous_changes["priority_id"][0], value: @updated_issue.previous_changes["priority_id"][1]})
+      end
+
+      # 修改里程碑
+      if @updated_issue.previous_changes["fixed_version_id"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "fixed_version_id", old_value: @updated_issue.previous_changes["fixed_version_id"][0], value: @updated_issue.previous_changes["fixed_version_id"][1]})
+      end
+
+      # 更改分支
+      if @updated_issue.previous_changes["branch_name"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "branch_name", old_value: @updated_issue.previous_changes["branch_name"][0], value: @updated_issue.previous_changes["branch_name"][1]})
+      end
+
+      # 更改开始时间
+      if @updated_issue.previous_changes["start_date"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "start_date", old_value: @updated_issue.previous_changes["start_date"][0], value: @updated_issue.previous_changes["start_date"][1]})
+      end
+
+      # 更改结束时间
+      if @updated_issue.previous_changes["due_date"].present?
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attr", prop_key: "due_date", old_value: @updated_issue.previous_changes["due_date"][0], value: @updated_issue.previous_changes["due_date"][1]})
+      end
+    rescue
+      raise Error, "创建操作记录失败!"
+    end
+  end
+
+  def build_assigner_issue_journal_details
+    begin
+      # 更改负责人
+      new_assigner_ids = @assigner_ids
+      new_assigner_ids = [] if @assigner_ids.nil?
+      now_assigner_ids = @updated_issue.assigners.pluck(:id)
+      if !(now_assigner_ids & assigner_ids).empty? || !(now_assigner_ids.empty? && new_assigner_ids.empty?)
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "assigner", prop_key: "#{new_assigner_ids.size}", old_value: now_assigner_ids.join(","), value: new_assigner_ids.join(",")})
+      end
+
+    rescue
+      raise Error, "创建操作记录失败!"
+    end
+  end
+
+  def build_issue_tag_issue_journal_details
+    begin
+      # 更改标记
+      new_issue_tag_ids = @issue_tag_ids
+      new_issue_tag_ids = [] if @issue_tag_ids.nil?
+      now_issue_tag_ids = @updated_issue.issue_tags.pluck(:id)
+      if !(now_issue_tag_ids & new_issue_tag_ids).empty? || !(now_issue_tag_ids.empty? && new_issue_tag_ids.empty?)
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "issue_tag", prop_key: "#{new_issue_tag_ids.size}", old_value: now_issue_tag_ids.join(","), value: new_issue_tag_ids.join(",")})
+      end
+    rescue
+      raise Error, "创建操作记录失败!"
+    end
+  end
+
+
+  def build_attachment_issue_journal_details
+    begin
+      # 更改附件
+      new_attachment_ids = @attachment_ids
+      new_attachment_ids = [] if @attachment_ids.nil?
+      now_attachment_ids = @updated_issue.attachments.pluck(:id)
+      if !(now_attachment_ids & new_attachment_ids).empty? || !(now_attachment_ids.empty? && new_attachment_ids.empty?)
+        journal = @updated_issue.journals.create!({user_id: current_user.id})
+        journal.journal_details.create!({property: "attachment", prop_key: "#{new_attachment_ids.size}", old_value: now_attachment_ids.join(","), value: new_attachment_ids.join(",")})
+      end
+    rescue
+      raise Error, "创建操作记录失败!"
+    end
+  end
+ 
+end
\ No newline at end of file
diff --git a/app/services/application_service.rb b/app/services/application_service.rb
index 81ecf5f7b..9c70bbeb2 100644
--- a/app/services/application_service.rb
+++ b/app/services/application_service.rb
@@ -9,6 +9,15 @@ class ApplicationService
     content.gsub(regex, '')
   end
 
+  protected 
+  def try_lock(key)
+    raise Error, "请稍后再试！" unless $redis_cache.set(key, 1, nx: true, ex: 60.seconds)
+  end
+
+  def unlock(key)
+    $redis_cache.del(key)
+  end
+
   private
 
   def strip(str)
diff --git a/app/services/projects/create_service.rb b/app/services/projects/create_service.rb
index 2b4523bf5..ff36dfe52 100644
--- a/app/services/projects/create_service.rb
+++ b/app/services/projects/create_service.rb
@@ -14,6 +14,7 @@ class Projects::CreateService < ApplicationService
     ActiveRecord::Base.transaction do
       if @project.save!
         Project.update_common_projects_count!
+        IssueTag.init_data(@project.id)
         ProjectUnit.init_types(@project.id)
         Repositories::CreateService.new(user, @project, repository_params).call
         upgrade_project_category_private_projects_count
diff --git a/app/views/api/v1/attachments/_simple_detail.json.jbuilder b/app/views/api/v1/attachments/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..3d56eb82f
--- /dev/null
+++ b/app/views/api/v1/attachments/_simple_detail.json.jbuilder
@@ -0,0 +1,7 @@
+json.id attachment.id
+json.title attachment.title
+json.filesize number_to_human_size(attachment.filesize)
+json.is_pdf attachment.is_pdf?
+json.url attachment.is_pdf? ? download_url(attachment,disposition:"inline") : download_url(attachment)
+json.created_on attachment.created_on.strftime("%Y-%m-%d %H:%M")
+json.content_type attachment.content_type
diff --git a/app/views/api/v1/issues/_detail.json.jbuilder b/app/views/api/v1/issues/_detail.json.jbuilder
new file mode 100644
index 000000000..193357ce1
--- /dev/null
+++ b/app/views/api/v1/issues/_detail.json.jbuilder
@@ -0,0 +1,45 @@
+json.(issue, :id, :subject, :project_issues_index, :description, :branch_name, :start_date, :due_date)
+json.created_at issue.created_on.strftime("%Y-%m-%d %H:%M")
+json.updated_at issue.updated_on.strftime("%Y-%m-%d %H:%M")
+json.tags issue.show_issue_tags.each do |tag|
+  json.partial! "api/v1/issues/issue_tags/simple_detail", locals: {tag: tag}
+end
+json.status do 
+  if issue.issue_status.present? 
+    json.partial! "api/v1/issues/statues/simple_detail", locals: {status: issue.issue_status}
+  else
+    json.nil! 
+  end
+end
+json.priority do 
+  if issue.priority.present? 
+    json.partial! "api/v1/issues/issue_priorities/simple_detail", locals: {priority: issue.priority}
+  else 
+    json.nil!
+  end
+end
+json.milestone do 
+  if issue.version.present? 
+    json.partial! "api/v1/issues/milestones/simple_detail", locals: {milestone: issue.version}
+  else 
+    json.nil! 
+  end
+end
+json.author do
+  if issue.user.present? 
+    json.partial! "api/v1/users/simple_user", locals: {user: issue.user}
+  else 
+    json.nil! 
+  end
+end
+json.assigners issue.show_assigners.each do |assigner| 
+  json.partial! "api/v1/users/simple_user", locals: {user: assigner}
+end
+json.participants issue.participants.distinct.each do |participant| 
+  json.partial! "api/v1/users/simple_user", locals: {user: participant}
+end
+json.comment_journals_count issue.comment_journals.size
+json.operate_journals_count issue.operate_journals.size
+json.attachments issue.attachments.each do |attachment|
+  json.partial! "api/v1/attachments/simple_detail", locals: {attachment: attachment}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/_simple_detail.json.jbuilder b/app/views/api/v1/issues/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..7e0d6b11f
--- /dev/null
+++ b/app/views/api/v1/issues/_simple_detail.json.jbuilder
@@ -0,0 +1,20 @@
+json.(issue, :id, :subject, :project_issues_index)
+json.created_at issue.created_on.strftime("%Y-%m-%d %H:%M")
+json.updated_at issue.updated_on.strftime("%Y-%m-%d %H:%M")
+json.tags issue.show_issue_tags.each do |tag|
+  json.partial! "api/v1/issues/issue_tags/simple_detail", locals: {tag: tag}
+end
+json.status_name issue.issue_status&.name 
+json.priority_name issue.priority&.name 
+json.milestone_name issue.version&.name
+json.author do
+  if issue.user.present? 
+    json.partial! "api/v1/users/simple_user", locals: {user: issue.user}
+  else 
+    json.nil! 
+  end
+end
+json.assigners issue.show_assigners.each do |assigner| 
+  json.partial! "api/v1/users/simple_user", locals: {user: assigner}
+end
+json.comment_journals_count issue.comment_journals.size
\ No newline at end of file
diff --git a/app/views/api/v1/issues/assigners/index.json.jbuilder b/app/views/api/v1/issues/assigners/index.json.jbuilder
new file mode 100644
index 000000000..fbcf469a6
--- /dev/null
+++ b/app/views/api/v1/issues/assigners/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @assigners.total_count
+json.assigners @assigners.each do |assigner|
+  json.partial! 'api/v1/users/simple_user', locals: { user: assigner}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/authors/index.json.jbuilder b/app/views/api/v1/issues/authors/index.json.jbuilder
new file mode 100644
index 000000000..dd1a4174a
--- /dev/null
+++ b/app/views/api/v1/issues/authors/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @authors.total_count
+json.authors @authors.each do |author|
+  json.partial! 'api/v1/users/simple_user', locals: { user: author}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/create.json.jbuilder b/app/views/api/v1/issues/create.json.jbuilder
new file mode 100644
index 000000000..f45ef5b2f
--- /dev/null
+++ b/app/views/api/v1/issues/create.json.jbuilder
@@ -0,0 +1 @@
+json.partial! "api/v1/issues/detail", locals: {issue: @object_result}
diff --git a/app/views/api/v1/issues/index.json.jbuilder b/app/views/api/v1/issues/index.json.jbuilder
new file mode 100644
index 000000000..6a04c56ac
--- /dev/null
+++ b/app/views/api/v1/issues/index.json.jbuilder
@@ -0,0 +1,8 @@
+json.total_issues_count @total_issues_count
+json.opened_count @opened_issues_count
+json.closed_count @closed_issues_count
+json.total_count @issues.total_count 
+json.has_created_issues @project.issues.size > 0
+json.issues @issues.each do |issue| 
+  json.partial! "simple_detail", locals: {issue: issue}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/issue_priorities/_simple_detail.json.jbuilder b/app/views/api/v1/issues/issue_priorities/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..b7c37147a
--- /dev/null
+++ b/app/views/api/v1/issues/issue_priorities/_simple_detail.json.jbuilder
@@ -0,0 +1 @@
+json.(priority, :id, :name)
diff --git a/app/views/api/v1/issues/issue_priorities/index.json.jbuilder b/app/views/api/v1/issues/issue_priorities/index.json.jbuilder
new file mode 100644
index 000000000..c1b8ebb25
--- /dev/null
+++ b/app/views/api/v1/issues/issue_priorities/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @priorities.total_count 
+json.priorities @priorities.each do |priority|
+  json.partial! "simple_detail", locals: {priority: priority}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/issue_tags/_detail.json.jbuilder b/app/views/api/v1/issues/issue_tags/_detail.json.jbuilder
new file mode 100644
index 000000000..8fef8b1f6
--- /dev/null
+++ b/app/views/api/v1/issues/issue_tags/_detail.json.jbuilder
@@ -0,0 +1,19 @@
+json.(tag,:id, :name, :description, :color)
+json.issues_count tag.issues_count
+json.pull_requests_count tag.pull_requests_count
+json.project do 
+  if tag.project.present? 
+    json.partial! "api/v1/projects/simple_detail", project: tag.project
+  else 
+    json.nil! 
+  end
+end
+json.user do 
+  if tag.user.present?
+    json.partial! "api/v1/users/simple_user", user: tag.user
+  else 
+    json.nil! 
+  end
+end
+json.created_at tag.created_at.strftime("%Y-%m-%d %H:%M")
+json.updated_at tag.updated_at.strftime("%Y-%m-%d %H:%M")
\ No newline at end of file
diff --git a/app/views/api/v1/issues/issue_tags/_simple_detail.json.jbuilder b/app/views/api/v1/issues/issue_tags/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..8395a8e83
--- /dev/null
+++ b/app/views/api/v1/issues/issue_tags/_simple_detail.json.jbuilder
@@ -0,0 +1 @@
+json.(tag, :id, :name, :color)
\ No newline at end of file
diff --git a/app/views/api/v1/issues/issue_tags/index.json.jbuilder b/app/views/api/v1/issues/issue_tags/index.json.jbuilder
new file mode 100644
index 000000000..0bd055b57
--- /dev/null
+++ b/app/views/api/v1/issues/issue_tags/index.json.jbuilder
@@ -0,0 +1,8 @@
+json.total_count @issue_tags.total_count
+json.issue_tags @issue_tags.each do |tag| 
+  if params[:only_name]
+    json.partial! "simple_detail", locals: {tag: tag}
+  else 
+    json.partial! "detail", locals: {tag: tag}
+  end
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/journals/_children_detail.json.jbuilder b/app/views/api/v1/issues/journals/_children_detail.json.jbuilder
new file mode 100644
index 000000000..3fbb438b3
--- /dev/null
+++ b/app/views/api/v1/issues/journals/_children_detail.json.jbuilder
@@ -0,0 +1,20 @@
+json.(journal, :id, :notes, :comments_count)
+json.created_at journal.created_on.strftime("%Y-%m-%d %H:%M")
+json.updated_at journal.updated_on.strftime("%Y-%m-%d %H:%M")
+json.user do 
+  if journal.user.present? 
+    json.partial! "api/v1/users/simple_user", user: journal.user
+  else 
+    json.nil! 
+  end
+end
+json.reply_user do 
+  if journal.reply_journal&.user&.present?
+    json.partial! "api/v1/users/simple_user", user: journal.reply_journal.user
+  else 
+    json.nil! 
+  end
+end
+json.attachments journal.attachments.each do |attachment| 
+  json.partial! "api/v1/attachments/simple_detail", locals: {attachment: attachment}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/journals/_detail.json.jbuilder b/app/views/api/v1/issues/journals/_detail.json.jbuilder
new file mode 100644
index 000000000..264997bbd
--- /dev/null
+++ b/app/views/api/v1/issues/journals/_detail.json.jbuilder
@@ -0,0 +1,25 @@
+json.id journal.id
+json.is_journal_detail journal.is_journal_detail? 
+json.created_at journal.created_on.strftime("%Y-%m-%d %H:%M")
+json.updated_at journal.updated_on.strftime("%Y-%m-%d %H:%M")
+json.user do 
+  if journal.user.present? 
+    json.partial! "api/v1/users/simple_user", user: journal.user
+  else 
+    json.nil! 
+  end
+end
+if journal.is_journal_detail? 
+  detail = journal.journal_details.take
+  json.operate_category detail.property == "attr" ? detail.prop_key : detail.property
+  json.operate_content journal.is_journal_detail? ? journal.operate_content : nil
+else
+  json.notes journal.notes 
+  json.comments_count journal.comments_count
+  json.children_journals journal.first_ten_children_journals.each do |journal| 
+    json.partial! "children_detail", journal: journal
+  end
+  json.attachments journal.attachments do |attachment| 
+    json.partial! "api/v1/attachments/simple_detail", locals: {attachment: attachment}
+  end
+end
diff --git a/app/views/api/v1/issues/journals/children_journals.json.jbuilder b/app/views/api/v1/issues/journals/children_journals.json.jbuilder
new file mode 100644
index 000000000..c0cd04501
--- /dev/null
+++ b/app/views/api/v1/issues/journals/children_journals.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @journals.total_count 
+json.journals @journals do |journal|
+  json.partial! "children_detail", journal: journal 
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/journals/create.json.jbuilder b/app/views/api/v1/issues/journals/create.json.jbuilder
new file mode 100644
index 000000000..91f3f3174
--- /dev/null
+++ b/app/views/api/v1/issues/journals/create.json.jbuilder
@@ -0,0 +1 @@
+json.partial! "detail", journal: @object_result
\ No newline at end of file
diff --git a/app/views/api/v1/issues/journals/index.json.jbuilder b/app/views/api/v1/issues/journals/index.json.jbuilder
new file mode 100644
index 000000000..bea6746a6
--- /dev/null
+++ b/app/views/api/v1/issues/journals/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @journals.total_count 
+json.journals @journals do |journal|
+  json.partial! "detail", journal: journal 
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/journals/update.json.jbuilder b/app/views/api/v1/issues/journals/update.json.jbuilder
new file mode 100644
index 000000000..91f3f3174
--- /dev/null
+++ b/app/views/api/v1/issues/journals/update.json.jbuilder
@@ -0,0 +1 @@
+json.partial! "detail", journal: @object_result
\ No newline at end of file
diff --git a/app/views/api/v1/issues/milestones/_detail.json.jbuilder b/app/views/api/v1/issues/milestones/_detail.json.jbuilder
new file mode 100644
index 000000000..b71f41c7e
--- /dev/null
+++ b/app/views/api/v1/issues/milestones/_detail.json.jbuilder
@@ -0,0 +1,7 @@
+json.(milestone, :id, :name, :description, :effective_date, :status)
+json.issues_count milestone.opened_issues.size + milestone.closed_issues.size 
+json.opened_issues_count milestone.opened_issues.size
+json.close_issues_count milestone.closed_issues.size
+json.percent milestone.issue_percent
+json.created_at milestone.created_on.strftime("%Y-%m-%d %H:%M")
+json.updated_on milestone.updated_on.strftime("%Y-%m-%d %H:%M")
diff --git a/app/views/api/v1/issues/milestones/_simple_detail.json.jbuilder b/app/views/api/v1/issues/milestones/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..667f7b6a7
--- /dev/null
+++ b/app/views/api/v1/issues/milestones/_simple_detail.json.jbuilder
@@ -0,0 +1 @@
+json.(milestone, :id, :name)
\ No newline at end of file
diff --git a/app/views/api/v1/issues/milestones/index.json.jbuilder b/app/views/api/v1/issues/milestones/index.json.jbuilder
new file mode 100644
index 000000000..38623d2b4
--- /dev/null
+++ b/app/views/api/v1/issues/milestones/index.json.jbuilder
@@ -0,0 +1,10 @@
+json.closed_milestone_count @closed_milestone_count 
+json.opening_milestone_count @opening_milestone_count
+json.total_count @milestones.total_count
+json.milestones @milestones.each do |milestone| 
+  if params[:only_name]
+    json.partial! "simple_detail", locals: {milestone: milestone}
+  else  
+    json.partial! "detail", locals: {milestone: milestone}
+  end
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/milestones/show.json.jbuilder b/app/views/api/v1/issues/milestones/show.json.jbuilder
new file mode 100644
index 000000000..ce1886522
--- /dev/null
+++ b/app/views/api/v1/issues/milestones/show.json.jbuilder
@@ -0,0 +1,12 @@
+json.milestone do 
+  json.partial! "detail", locals: {milestone: @milestone}
+end
+json.total_issues_count @total_issues_count
+json.closed_issues_count @closed_issues_count
+json.opened_issues_count @opened_issues_count 
+json.total_count @issues.total_count
+json.issues @issues.each do |issue| 
+  if issue.issue_classify == "issue"
+    json.partial! "api/v1/issues/simple_detail", locals: {issue: issue}
+  end
+end 
\ No newline at end of file
diff --git a/app/views/api/v1/issues/show.json.jbuilder b/app/views/api/v1/issues/show.json.jbuilder
new file mode 100644
index 000000000..55028fc64
--- /dev/null
+++ b/app/views/api/v1/issues/show.json.jbuilder
@@ -0,0 +1,2 @@
+json.partial! "api/v1/issues/detail", locals: {issue: @issue}
+json.user_permission @user_permission
diff --git a/app/views/api/v1/issues/statues/_simple_detail.json.jbuilder b/app/views/api/v1/issues/statues/_simple_detail.json.jbuilder
new file mode 100644
index 000000000..f66b6c95a
--- /dev/null
+++ b/app/views/api/v1/issues/statues/_simple_detail.json.jbuilder
@@ -0,0 +1 @@
+json.(status, :id, :name)
diff --git a/app/views/api/v1/issues/statues/index.json.jbuilder b/app/views/api/v1/issues/statues/index.json.jbuilder
new file mode 100644
index 000000000..9fb60acc2
--- /dev/null
+++ b/app/views/api/v1/issues/statues/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @statues.total_count
+json.statues @statues.each do |status|
+  json.partial! "simple_detail", locals: {status: status}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/issues/update.json.jbuilder b/app/views/api/v1/issues/update.json.jbuilder
new file mode 100644
index 000000000..f45ef5b2f
--- /dev/null
+++ b/app/views/api/v1/issues/update.json.jbuilder
@@ -0,0 +1 @@
+json.partial! "api/v1/issues/detail", locals: {issue: @object_result}
diff --git a/app/views/api/v1/projects/collaborators/index.json.jbuilder b/app/views/api/v1/projects/collaborators/index.json.jbuilder
new file mode 100644
index 000000000..c0c33c6ba
--- /dev/null
+++ b/app/views/api/v1/projects/collaborators/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @collaborators.total_count
+json.collaborators @collaborators.each do |collaborator|
+  json.partial! "api/v1/users/simple_user", locals: {user: collaborator}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/projects/issues/_simple_detail.json.jbuilder b/app/views/api/v1/projects/issues/_simple_detail.json.jbuilder
deleted file mode 100644
index e69de29bb..000000000
diff --git a/config/routes/api.rb b/config/routes/api.rb
index 31127c7bf..6e688a632 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -27,9 +27,31 @@ defaults format: :json do
             end
           end
 
+          resources :issues, param: :index, except: [:new, :edit] do 
+            collection do 
+              patch :batch_update
+              delete :batch_destroy
+            end
+
+            member do 
+              resources :journals, module: :issues, only: [:index, :create, :update, :destroy] do 
+                member do
+                  get :children_journals 
+                end
+              end
+            end
+          end
+          scope module: :issues do 
+            resources :issue_tags, except: [:new, :edit]
+            resources :milestones, except: [:new, :edit]
+            resources :issue_statues, only: [:index], controller: '/api/v1/issues/statues'
+            resources :issue_authors, only: [:index], controller: '/api/v1/issues/authors'
+            resources :issue_assigners, only: [:index], controller: '/api/v1/issues/assigners'
+            resources :issue_priorities, only: [:index]
+          end
+
           # projects文件夹下的
           scope module: :projects do 
-            resources :issues
             resources :pulls, module: 'pulls' do 
               resources :versions, only: [:index] do 
                 member do 
@@ -39,8 +61,7 @@ defaults format: :json do
               resources :journals, except: [:show, :edit]
               resources :reviews, only: [:index, :create] 
             end
-
-            resources :versions 
+            resources :collaborators, only: [:index]
             resources :release_versions
             resources :webhooks do 
               member do 
diff --git a/db/migrate/20230207091507_create_issue_assigners.rb b/db/migrate/20230207091507_create_issue_assigners.rb
new file mode 100644
index 000000000..1a25db213
--- /dev/null
+++ b/db/migrate/20230207091507_create_issue_assigners.rb
@@ -0,0 +1,10 @@
+class CreateIssueAssigners < ActiveRecord::Migration[5.2]
+  def change
+    create_table :issue_assigners do |t|
+      t.references :issue
+      t.references :assigner, references: :user
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20230208023811_create_issue_participants.rb b/db/migrate/20230208023811_create_issue_participants.rb
new file mode 100644
index 000000000..834061053
--- /dev/null
+++ b/db/migrate/20230208023811_create_issue_participants.rb
@@ -0,0 +1,11 @@
+class CreateIssueParticipants < ActiveRecord::Migration[5.2]
+  def change
+    create_table :issue_participants do |t|
+      t.references :issue 
+      t.references :participant, references: :user
+      t.integer :participant_type, default: 0
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20230223065106_add_some_columns_to_issue_upgrade.rb b/db/migrate/20230223065106_add_some_columns_to_issue_upgrade.rb
new file mode 100644
index 000000000..161328746
--- /dev/null
+++ b/db/migrate/20230223065106_add_some_columns_to_issue_upgrade.rb
@@ -0,0 +1,5 @@
+class AddSomeColumnsToIssueUpgrade < ActiveRecord::Migration[5.2]
+  def change
+    add_column :issue_tags, :pull_requests_count, :integer, default: 0
+  end
+end
diff --git a/lib/tasks/upgrade_issue_generate_data.rake b/lib/tasks/upgrade_issue_generate_data.rake
new file mode 100644
index 000000000..07382a1e9
--- /dev/null
+++ b/lib/tasks/upgrade_issue_generate_data.rake
@@ -0,0 +1,59 @@
+
+
+namespace :upgrade_issue_generate_data do
+  # 执行示例  bundle exec rake upgrade_issue_generate_data:project_issues_index
+  # 线上环境执行示例  RAILS_ENV=production bundle exec rake upgrade_issue_generate_data:project_issues_index
+  desc "upgrade_issue_generate_data: fix issue project_issues_index"
+
+  task project_issues_index: :environment do
+    puts "____________fix start________________"
+
+    Issue.issue_issue.update_all(project_issues_index: nil)
+    count = 0
+    Issue.issue_issue.where(project_issues_index: nil).group(:project_id).count.each do |pid, count| 
+      p = Project.find_by_id(pid)
+      issues = p.issues.order(created_on: :asc)
+      issues.find_each.with_index do |issue, index|
+        count += 1
+        issue.update_column(:project_issues_index, index+1)
+      end
+    end
+    puts "____________fix end_______total:#{count}_________"
+  end
+
+  # 执行示例  bundle exec rake upgrade_issue_generate_data:project_init_issue_tags_and_status
+  # 线上环境执行示例  RAILS_ENV=production bundle exec rake upgrade_issue_generate_data:project_init_issue_tags_and_status
+  desc "upgrade_issue_generate_data: fix project init issue_tags"
+
+  task project_init_issue_tags_and_status: :environment do
+    puts "____________fix start________________"
+    IssuePriority.init_data
+    IssueStatus.init_data
+    IssueTag.order(created_at: :desc).find_each do |it| 
+      it.reset_counter_field
+    end
+    IssueTag.where(user_id: nil).destroy_all
+    count = 0
+    Project.order(created_on: :desc).find_each do |project| 
+      count += 1
+      IssueTag.init_data(project.id)
+    end
+    puts "____________fix end____total:#{count}__________"
+  end
+
+  # 执行示例  bundle exec rake upgrade_issue_generate_data:build_assigners_and_participants
+  # 线上环境执行示例  RAILS_ENV=production bundle exec rake upgrade_issue_generate_data:build_assigners_and_participants
+  desc "upgrade_issue_generate_data: fix issue assigners and participants"
+
+  task build_assigners_and_participants: :environment do
+    puts "____________fix start________________"
+    count = 0
+    Issue.order(created_on: :desc).find_each do |issue| 
+      count += 1
+      issue.issue_assigners.find_or_create_by(assigner_id: issue.assigned_to_id)
+      issue.issue_participants.find_or_create_by(participant_id: issue.assigned_to_id, participant_type: 'assigned')
+      issue.issue_participants.find_or_create_by(participant_id: issue.author_id, participant_type: 'authored')
+    end
+    puts "____________fix end____total:#{count}__________"
+  end
+end
\ No newline at end of file