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..c3185a755
--- /dev/null
+++ b/app/controllers/api/v1/issues/journals_controller.rb
@@ -0,0 +1,39 @@
+class Api::V1::Issues::JournalsController < Api::V1::IssuesController
+
+  before_action :require_public_and_member_above, only: [:index, :create, :destroy]
+  before_action :load_issue, only: [:index, :create, :destroy]
+  before_action :load_journal, only: [: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 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, :attachment_ids => [])
+  end
+
+  def load_journal
+    @journal = @issue.journals.find_by_id(params[:id])
+    return render_not_found("评论不存在！") unless @journal.present?
+  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
index 567ef6b3b..d1f8a83a1 100644
--- a/app/controllers/api/v1/issues_controller.rb
+++ b/app/controllers/api/v1/issues_controller.rb
@@ -4,6 +4,9 @@ class Api::V1::IssuesController < Api::V1::BaseController
 
   def index 
     @object_results = Api::V1::Issues::ListService.call(@project, query_params, current_user)
+    @opened_issues_count = @object_results.opened.size
+    @closed_issues_count = @object_results.closed.size
+
     @issues = kaminari_paginate(@object_results)
   end
 
@@ -49,6 +52,31 @@ class Api::V1::IssuesController < Api::V1::BaseController
     end
   end
 
+  protected
+
+  def load_issue 
+    @issue = @project.issues.where(project_issues_index: params[:id]).where.not(id: params[:id]).take || Issue.find_by_id(params[:id])
+    if @issue.blank?
+      render_not_found("疑修不存在!")
+    elsif @issue.present? && @issue.is_lock &&!(@project.member?(current_user) || current_user.admin?)
+      render_forbidden("您没有权限操作！")
+    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!")
+      elsif @issue.present? && @issue.is_lock &&!(@project.member?(current_user) || current_user.admin?)
+        return render_forbidden("ID为#{id}的疑修您没有权限操作！")
+      end
+    end
+    @issues = Issue.where(id: params[:ids])
+  end
+
+
   private 
 
   def query_params
@@ -79,27 +107,4 @@ class Api::V1::IssuesController < Api::V1::BaseController
       :issue_tag_ids => [], 
       :assigner_ids => [])
   end
-
-  def load_issue 
-    @issue = @project.issues.where(project_issues_index: params[:id]).where.not(id: params[:id]).take || Issue.find_by_id(params[:id])
-    if @issue.blank?
-      render_not_found("疑修不存在!")
-    elsif @issue.present? && @issue.is_lock &&!(@project.member?(current_user) || current_user.admin?)
-      render_forbidden("您没有权限操作！")
-    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!")
-      elsif @issue.present? && @issue.is_lock &&!(@project.member?(current_user) || current_user.admin?)
-        return render_forbidden("ID为#{id}的疑修您没有权限操作！")
-      end
-    end
-    @issues = Issue.where(id: params[:ids])
-  end
-
 end
\ No newline at end of file
diff --git a/app/models/journal.rb b/app/models/journal.rb
index 20297dd99..382ebd017 100644
--- a/app/models/journal.rb
+++ b/app/models/journal.rb
@@ -40,8 +40,11 @@ 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
+  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 :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
 
   scope :journal_includes, ->{includes(:user, :journal_details, :attachments)}
@@ -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/services/api/v1/issues/batch_delete_service.rb b/app/services/api/v1/issues/batch_delete_service.rb
index 133f098cd..45821b373 100644
--- a/app/services/api/v1/issues/batch_delete_service.rb
+++ b/app/services/api/v1/issues/batch_delete_service.rb
@@ -13,7 +13,7 @@ class Api::V1::Issues::BatchDeleteService < ApplicationService
 
   def call 
     raise Error, errors.full_messages.join(", ") unless valid? 
-    try_lock # 开始写数据，加锁
+    try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
 
     delete_issues
 
@@ -25,7 +25,7 @@ class Api::V1::Issues::BatchDeleteService < ApplicationService
       end
     end
 
-    unlock
+    unlock("Api::V1::Issues::DeleteService:#{project.id}")
 
     return true
   end
@@ -35,13 +35,4 @@ class Api::V1::Issues::BatchDeleteService < ApplicationService
   def delete_issues
     raise Error, "批量删除疑修失败！" unless @issues.destroy_all
   end
-
-  def try_lock
-    raise Error, "请稍后再试！" unless $redis_cache.set("Api::V1::Issues::BatchDeleteService:#{project.id}", 1, nx: true, ex: 60.seconds)
-  end
-
-  def unlock 
-    $redis_cache.del("Api::V1::Issues::BatchDeleteService:#{project.id}")
-  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
index e87745950..f5d9c7fa6 100644
--- a/app/services/api/v1/issues/create_service.rb
+++ b/app/services/api/v1/issues/create_service.rb
@@ -43,10 +43,11 @@ class Api::V1::Issues::CreateService < ApplicationService
       load_issue_tags(issue_tag_ids) unless issue_tag_ids.blank?
       load_atme_receivers(receivers_login) unless receivers_login.blank?
     
-      try_lock # 开始写数据，加锁
+      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.attachments = @attachments unless attachment_ids.blank?
@@ -64,7 +65,7 @@ class Api::V1::Issues::CreateService < ApplicationService
         SendTemplateMessageJob.perform_later('ProjectIssue', current_user.id, @issue&.id)
       end
  
-      unlock # 结束写数据，解锁
+      unlock("Api::V1::Issues::CreateService:#{project.id}") # 结束写数据，解锁
     end
     
     return @created_issue
@@ -104,6 +105,12 @@ class Api::V1::Issues::CreateService < ApplicationService
     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
@@ -113,12 +120,4 @@ class Api::V1::Issues::CreateService < ApplicationService
     journal = @created_issue.journals.new({user_id: current_user.id})
     journal.journal_details.new({property: "issue", prop_key: 1, old_value: '', value: ''})
   end 
-
-  def try_lock
-    raise Error, "请稍后再试！" unless $redis_cache.set("Api::V1::Issues::CreateService:#{project.id}", 1, nx: true, ex: 60.seconds)
-  end
-
-  def unlock 
-    $redis_cache.del("Api::V1::Issues::CreateService:#{project.id}")
-  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
index e6429390e..a34fdced6 100644
--- a/app/services/api/v1/issues/delete_service.rb
+++ b/app/services/api/v1/issues/delete_service.rb
@@ -13,7 +13,7 @@ class Api::V1::Issues::DeleteService < ApplicationService
 
   def call 
     raise Error, errors.full_messages.join(", ") unless valid? 
-    try_lock # 开始写数据，加锁
+    try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
 
     delete_issue
 
@@ -23,7 +23,7 @@ class Api::V1::Issues::DeleteService < ApplicationService
       SendTemplateMessageJob.perform_later('IssueDeleted', current_user.id, @issue&.subject, @issue.assigners.pluck(:id), @issue.author_id) 
     end
     
-    unlock
+    unlock("Api::V1::Issues::DeleteService:#{project.id}")
 
     return true
   end
@@ -34,12 +34,4 @@ class Api::V1::Issues::DeleteService < ApplicationService
     raise Error, "删除疑修失败！" unless issue.destroy!
   end
 
-  def try_lock
-    raise Error, "请稍后再试！" unless $redis_cache.set("Api::V1::Issues::DeleteService:#{project.id}", 1, nx: true, ex: 60.seconds)
-  end
-
-  def unlock 
-    $redis_cache.del("Api::V1::Issues::DeleteService:#{project.id}")
-  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..6fe096426
--- /dev/null
+++ b/app/services/api/v1/issues/journals/create_service.rb
@@ -0,0 +1,48 @@
+class Api::V1::Issues::Journals::CreateService < ApplicationService
+  include ActiveModel::Model
+
+  attr_reader :issue, :current_user, :notes, :parent_id, :attachment_ids
+
+  validates :issue, :current_user, presence: true
+
+  def initialize(issue, params, current_user=nil)
+    @issue = issue 
+    @notes = params[:notes]
+    @parent_id = params[:parent_id]
+    @attachment_ids = params[:attachment_ids]
+    @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.blank?
+      load_attachments(attachment_ids) unless attachment_ids.blank?
+
+      try_lock("Api::V1::Issues::Journals::CreateService:#{@issue.id}")
+      @created_journal = Journal.new(journal_attributes)
+
+      build_comment_participants 
+      @created_journal.attachments = @attachments
+      
+      @created_journal.save!
+      unlock("Api::V1::Issues::Journals::CreateService:#{@issue.id}")
+    end
+  end 
+
+  private 
+
+  def journal_attributes 
+    journal_attributes = {
+      notes: notes 
+    }
+
+    journal_attributes.merge!({parent_id: parent_id}) if parent_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
+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/list_service.rb b/app/services/api/v1/issues/list_service.rb
index a5609bb62..6383a6e12 100644
--- a/app/services/api/v1/issues/list_service.rb
+++ b/app/services/api/v1/issues/list_service.rb
@@ -79,7 +79,6 @@ class Api::V1::Issues::ListService < ApplicationService
 
     scope = q.result.includes(:priority, :issue_status, :user, :assigners, :version, :issue_tags, :comment_journals)
 
-
     scope = scope.reorder("issues.#{sort_by} #{sort_direction}").distinct
 
     @queried_issues = scope
diff --git a/app/services/api/v1/issues/update_service.rb b/app/services/api/v1/issues/update_service.rb
index 3084e78a9..8abc6aae4 100644
--- a/app/services/api/v1/issues/update_service.rb
+++ b/app/services/api/v1/issues/update_service.rb
@@ -6,7 +6,7 @@ class Api::V1::Issues::UpdateService < ApplicationService
   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
+  attr_accessor :add_assigner_ids, :previous_issue_changes, :updated_issue, :atme_receivers
 
   validates :project, :issue, :current_user, presence: true
 
@@ -40,23 +40,29 @@ class Api::V1::Issues::UpdateService < ApplicationService
       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_assigners(assigner_ids)
+      load_attachments(attachment_ids)
+      load_issue_tags(issue_tag_ids)
       load_atme_receivers(receivers_login) unless receivers_login.blank?
 
-      try_lock
+      try_lock("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}")
       @updated_issue = @issue
       issue_load_attributes
-      build_issue_journal_details if @updated_issue.previous_changes.present? # 操作记录
+      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.blank? # 负责人
-      @updated_issue.assigners = @assigners unless assigner_ids.blank?
-      @updated_issue.attachments = @attachments unless attachment_ids.blank?
-      @updated_issue.issue_tags = @issue_tags unless issue_tag_ids.blank?
+      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 = @issue_tags || IssueTag.none 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
@@ -67,7 +73,7 @@ class Api::V1::Issues::UpdateService < ApplicationService
         SendTemplateMessageJob.perform_later('IssueAssigned', current_user.id, @issue&.id, add_assigner_ids) unless add_assigner_ids.blank?
       end
 
-      unlock
+      unlock("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}")
 
       return @updated_issue
     end
@@ -87,108 +93,147 @@ class Api::V1::Issues::UpdateService < ApplicationService
   end
 
   def build_assigner_participants
-    @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
+    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])
+    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])
+    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
+    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
+    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_issue_journal_details
-    # 更改标题
-    if @updated_issue.previous_changes[:subject].present?
-      journal = @updated_issue.journals.new({user_id: current_user.id})
-      journal.journal_details.new({property: "attr", prop_key: "subject", old_value: @updated_issue.previous_changes[:subject][0], value: @updated_issue.previous_changes[:subject][1]})
-    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.new({user_id: current_user.id})
-      journal.journal_details.new({property: "attr", prop_key: "description", old_value: @updated_issue.previous_changes[:description][0], value: @updated_issue.previous_changes[:description][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.new({user_id: current_user.id})
-      journal.journal_details.new({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.new({user_id: current_user.id})
-      journal.journal_details.new({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.new({user_id: current_user.id})
-      journal.journal_details.new({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
+      # 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.new({user_id: current_user.id})
-      journal.journal_details.new({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.new({user_id: current_user.id})
-      journal.journal_details.new({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.new({user_id: current_user.id})
-      journal.journal_details.new({property: "attr", prop_key: "due_date", old_value: @updated_issue.previous_changes[:due_date][0], value: @updated_issue.previous_changes[:due_date][1]})
-    end
-
-    # 更改负责人
-    if !@updated_issue.assigners.pluck(:id).sort! == assigner_ids.sort! 
-      journal = @updated_issue.journals.new({user_id: current_user.id})
-      journal.journal_details.new({property: "assigner", prop_key: "#{assigner_ids.size}", old_value: @updated_issue.assigners.pluck(:nickname).join(","), value: @assigners.pluck(:nickname).join(",")})
-    end
-
-    # 更改标记
-    if !@updated_issue.issue_tags.pluck(:id).sort! == issue_tag_ids.sort! 
-      journal = @updated_issue.journals.new({user_id: current_user.id})
-      journal.journal_details.new({property: "issue_tag", prop_key: "#{issue_tag_ids.size}", old_value: @updated_issue.issue_tags.pluck(:name).join(","), value: @issue_tags.pluck(:name).join(",")})
-    end
-
-    # 更改附件
-    if !@updated_issue.attachments.pluck(:id).sort! == attachment_ids.sort! 
-      journal = @updated_issue.journals.new({user_id: current_user.id})
-      journal.journal_details.new({property: "attachment", prop_key: "#{attachment_ids.size}", old_value: @updated_issue.attachments.pluck(:filename).join(","), value: @attachments.pluck(:filename).join(",")})
+      # 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 try_lock
-    raise Error, "请稍后再试！" unless $redis_cache.set("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}", 1, nx: true, ex: 60.seconds)
+  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 unlock 
-    $redis_cache.del("Api::V1::Issues::UpdateService:#{project.id}:#{issue.id}")
+  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 2fa59ed29..93f7ed48c 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/views/api/v1/issues/index.json.jbuilder b/app/views/api/v1/issues/index.json.jbuilder
index 3e820f6f4..1a324eb27 100644
--- a/app/views/api/v1/issues/index.json.jbuilder
+++ b/app/views/api/v1/issues/index.json.jbuilder
@@ -1,6 +1,6 @@
 json.total_count @issues.total_count 
-json.opened_count @issues.opened.size
-json.closed_count @issues.closed.size
+json.opened_count @opened_issues_count
+json.closed_count @closed_issues_count
 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/journals/_children_detail.json.jbuilder b/app/views/api/v1/issues/journals/_children_detail.json.jbuilder
new file mode 100644
index 000000000..38bbda404
--- /dev/null
+++ b/app/views/api/v1/issues/journals/_children_detail.json.jbuilder
@@ -0,0 +1,17 @@
+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
\ 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..418da24a8
--- /dev/null
+++ b/app/views/api/v1/issues/journals/_detail.json.jbuilder
@@ -0,0 +1,20 @@
+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? 
+  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
+end
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/config/routes/api.rb b/config/routes/api.rb
index 15ebc44f1..6c9b3dcdf 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -30,6 +30,14 @@ defaults format: :json 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]